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PID Provider
PID Provider
Wallet Solution
Wallet Solution
Wallet Instance
Wallet Instance
OIDC VCI Component
OIDC VCI Component
Issues PID
Issues PID
National eID Component
 (e.g. OIDC, SAML)
National eID Component...
Wallet Provider
Wallet Provider
Attestation Service
Attestation Service
Issues
Wallet Verifiable Attestation
Issues...
Authenticates the User
Authenticates the User
Requests PID
Requests PID
Develop and Maintains
Develop and Maintains
Federation API Services
Federation API Services
Federation API Services
Federation API Serv...
National IdP
National IdP
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Trust Anchor - Accreditation Body
Trust Anchor - Accreditation Body
Federation API Services
Federation API Services
Requests for PID Provider identifier
Requests for PID Provider identifier
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1
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Requests for PID Provider Metadata
Requests for PID Provider Metadata
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\ No newline at end of file diff --git a/mdoccbor/en/_images/Low-Level-Flow-EUDIW-PID-Issuing.svg b/mdoccbor/en/_images/Low-Level-Flow-EUDIW-PID-Issuing.svg new file mode 100644 index 000000000..34bfe6965 --- /dev/null +++ b/mdoccbor/en/_images/Low-Level-Flow-EUDIW-PID-Issuing.svg @@ -0,0 +1 @@ +User's smartphoneUserUserBrowserBrowserWallet InstanceWallet InstanceWallet ProviderWallet ProviderPID ProviderPID Provider1obtain your PID2yesobtain a list of Trusted PID Provider3confirm the selection of PID Provider4okWallet Instance checks that the PID Provider is part of the Federation and obtain its metadata5create PKCE code verifier6PAR Request (response_type, client_id, code_challenge, code_challenge_method, request, client_assertion_type, client_assertion=$WalletInstanceAttestation$)PID Provider checks that the Wallet Provider is part of the FederationPID Provider checks that the signature of the Wallet Attestation and its validity7PAR Response (request_uri, expires_in)8Authorization Request (client_id, request_uri)9Authorization Request (client_id, request_uri)user authentication with eIDAS High and consent10Authorization Response (code, state)11Authorization Response (code, state)12generate DPoP key13generate DPoP proof for PID Provider token endpoint14Token Request with DPoP proof (client_id, grant_type, code, code_verifier, client_assertion_type, client_assertion, redirect_uri)15Token Response (access_token, token_type, expires_in, c_nonce, c_nonce_expires_in)16generate fresh key for credential17create proof of possession (c_nonce)18create DPoP proof for PID Provider credential endpoint19Credential Request with DPoP access_token and DPoP proof (credential_definition, format, proof)Register all the credential-relatedinformation for verification/revocation20Credential Response (format, credential, c_nonce, c_nonce_expires_in)21PID validity and status check22store credential \ No newline at end of file diff --git a/mdoccbor/en/_images/cross_device_auth_seq_diagram.svg b/mdoccbor/en/_images/cross_device_auth_seq_diagram.svg new file mode 100644 index 000000000..2ac670e5a --- /dev/null +++ b/mdoccbor/en/_images/cross_device_auth_seq_diagram.svg @@ -0,0 +1,2 @@ + +UserUserWallet InstanceWallet InstanceRelying PartyRelying PartyAuthentication1Request Protected Resource2Create Authorization Request3Create QR Code4Show QRCode5Scan QR Code6Extract Request URIfrom QR Code7GET Request Objectby Request URIwith Wallet Instance Attestationas DPoP token8Attest Wallet Instance Trust9Request Object10Attest Relying Party Trust11Verify Relying Party Metadata12Validate JWT Signature13Validate Requested VP(s)14Request for consent15Confirmed16POST Authorization Responsewith vp_token17Attest Credential Issuer Trust18Validate JWT Signature19Process the credential20Process Authorization ResponseProcess phase requires to:- validate integrity, authenticity, and holder binding of VP(s)- ensure all VP(s) are linked with Verifier- ensure all VP(s) are linked with current session nonce- ensure all VC(s) requested is present21OK \ No newline at end of file diff --git a/mdoccbor/en/_images/dynamic_view_sequence_wallet_instance_attestation.svg b/mdoccbor/en/_images/dynamic_view_sequence_wallet_instance_attestation.svg new file mode 100644 index 000000000..9bf0d7706 --- /dev/null +++ b/mdoccbor/en/_images/dynamic_view_sequence_wallet_instance_attestation.svg @@ -0,0 +1 @@ +UserWallet InstanceWallet ProviderUserWallet InstanceWallet Provider1Initialize wallet instanceor request/present credentials2Get wallet provider metadata3Metadata containing credential types, key requirements, endpoints4Validate wallet provider trust list5Generate key pairs6Request nonce7nonce8Create Wallet Instance Assertion Request JWT9Get assertion (Wallet Instance Assertion Request)10Validate wallet instance genuineness11Validate signature12generate and sign wallet instance assertion13Wallet Instance Assertion14Validate wallet instance assertion15Wallet instance initializedready to obtain new credentials \ No newline at end of file diff --git a/mdoccbor/en/_images/static_view_wallet_instance_attestation.svg b/mdoccbor/en/_images/static_view_wallet_instance_attestation.svg new file mode 100644 index 000000000..aab862f78 --- /dev/null +++ b/mdoccbor/en/_images/static_view_wallet_instance_attestation.svg @@ -0,0 +1 @@ +UserWallet providerWallet solutionWallet instanceWallet backendIs part ofProvides wallet assertionscontrol / activateIs an instance ofProvide \ No newline at end of file diff --git a/mdoccbor/en/_images/trust-roles.svg b/mdoccbor/en/_images/trust-roles.svg new file mode 100644 index 000000000..a1e8dd823 --- /dev/null +++ b/mdoccbor/en/_images/trust-roles.svg @@ -0,0 +1,426 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/mdoccbor/en/_images/verifier_qr_code.svg b/mdoccbor/en/_images/verifier_qr_code.svg new file mode 100644 index 000000000..f525432cc --- /dev/null +++ b/mdoccbor/en/_images/verifier_qr_code.svg @@ -0,0 +1,10 @@ + + + + QR Code + ZXVkaXc6Ly9hdXRob3JpemU/Y2xpZW50X2lkPWh0dHBzOi8vdmVyaWZpZXIuZXhhbXBsZS5vcmcmcmVxdWVzdF91cmk9aHR0cHM6Ly92ZXJpZmllci5leGFtcGxlLm9yZy9yZXF1ZXN0X3VyaQ== + + + + + diff --git a/mdoccbor/en/_sources/algorithms.rst.txt b/mdoccbor/en/_sources/algorithms.rst.txt new file mode 100644 index 000000000..7fae0ee7f --- /dev/null +++ b/mdoccbor/en/_sources/algorithms.rst.txt @@ -0,0 +1,98 @@ +.. include:: ../common/common_definitions.rst + +.. _supported_algs: + +Cryptographic algorithms +++++++++++++++++++++++++ + +The following algorithms MUST be supported: + +.. list-table:: + :widths: 20 20 20 + :header-rows: 1 + + * - **Algorithm** + - **Operations** + - **References** + * - **RS256** + - Signature + - :rfc:`7518`. + * - **RS512** + - Signature + - :rfc:`7518`. + * - **RSA-OAEP** + - Key Encryption + - :rfc:`7518`. + * - **RSA-OAEP-256** + - Key Encryption + - :rfc:`7516`. + * - **A128CBC-HS256** + - Content Encryption + - :rfc:`7516`. + * - **A256CBC-HS512** + - Content Encryption + - :rfc:`7516`. + +The following algorithms are RECOMMENDED to be supported: + +.. list-table:: + :widths: 20 20 20 + :header-rows: 1 + + * - **Algorithm** + - **Operations** + - **References** + * - **ES256** + - Signature + - :rfc:`7518`. + * - **ES512** + - Signature + - :rfc:`7518`. + * - **PS256** + - Signature + - :rfc:`7518`. + * - **PS512** + - Signature + - :rfc:`7518`. + * - **ECDH-ES** + - Key Encryption + - :rfc:`7518`. + * - **ECDH-ES+A128KW** + - Key Encryption + - :rfc:`7518`. + * - **ECDH-ES+A256KW** + - Key Encryption + - :rfc:`7518`. + +The following algorithms MUST NOT be supported: + +.. list-table:: + :widths: 20 20 20 + :header-rows: 1 + + * - **Algorithm** + - **Operations** + - **References** + * - **none** + - Signature + - :rfc:`7518`. + * - **RSA_1_5** + - Key Encryption + - :rfc:`7516`. + * - **HS256** + - Signature + - :rfc:`7518`. + * - **HS384** + - Signature + - :rfc:`7518`. + * - **HS512** + - Signature + - :rfc:`7518`. + +.. warning:: + + The length of the RSA keys MUST be equal to or greater than 2048 bits. + A length of 4096 bits is RECOMMENDED. + + + diff --git a/mdoccbor/en/_sources/backup-restore.rst.txt b/mdoccbor/en/_sources/backup-restore.rst.txt new file mode 100644 index 000000000..186042348 --- /dev/null +++ b/mdoccbor/en/_sources/backup-restore.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _backup-restore.rst: + +backup-restore.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/en/_sources/contribute.rst.txt b/mdoccbor/en/_sources/contribute.rst.txt new file mode 100644 index 000000000..9d984dea8 --- /dev/null +++ b/mdoccbor/en/_sources/contribute.rst.txt @@ -0,0 +1,8 @@ +.. include:: ../common/common_definitions.rst + +.. _contribute.rst: + +contribute.rst ++++++++++++++++++++++++++++ + +Instruction to join in the development here. diff --git a/mdoccbor/en/_sources/defined-terms.rst.txt b/mdoccbor/en/_sources/defined-terms.rst.txt new file mode 100644 index 000000000..ed1ee55fe --- /dev/null +++ b/mdoccbor/en/_sources/defined-terms.rst.txt @@ -0,0 +1,61 @@ +.. include:: ../common/common_definitions.rst + +.. _defined-terms.rst: + +Defined Terms ++++++++++++++ + +The terms *User*, *Trust Service*, *Trust Model*, *Trusted List*, *Trust Framework*, *Attribute*, *Electronic Attestations of Attributes Provider* or *Trust Service Provider (TSP)*, *Person Identification Data (PID)*, *Revocation List*, *Qualified Electronic Attestations of Attributes Provider* or *Qualified Trust Service Provider (QTSP)*, *Electronic Attestation of Attributes (EAA)*, are defined in the `EIDAS-ARF`_. + +Below are the description of acronyms and definitions which are useful for further insights into topics that complement the it-wallet and the interacting components. + + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - Accreditation Body + - An entity accredited by the Federation Authority, responsible for managing the process of verification and certification of accreditation requirements for ecosystem roles. + * - Digital Identity Provider + - An entity, recognized and accredited by the State, responsible for identifying citizens for the issuance of an Electronic Identity Certificate. + * - Electronic Attestation of Identity + - Electronic attestation of attributes referring to master data already present in Italian digital identity systems. + * - Federation Authority + - A public governance entity that issues guidelines and technical rules, and administers - directly or through its intermediary - Trusted Lists, services, and accreditation processes, the status of participants, and their eligibility evaluation. It also performs oversight functions. + * - Wallet Instance + - An instance of the Wallet Solution, installed on a personal mobile device and controlled by a specific User who is its sole owner. It is the application that enables citizens to fully and autonomously manage their digital identity and EAAs. + * - Wallet Provider + - All public and/or private entities, conforming to a technical profile and accredited by the Federation Authority, that provide citizens with an IT Wallet Instance. + * - Qualified Electronic Attestation of Attributes (QEAA) + - A digitally verifiable attestation in electronic form, issued by a QTSP, that substantiates a person's possession of attributes. + * - Qualified Electronic Signature Provider + - The Electronic Trust Service Provider responsible for the issuing of Qualified Electronic Signature certificates to the User. + * - Relying Party + - A natural or legal person that implements an authentication system requiring electronic attribute attestation submissions as an authentication mechanism. + * - Trust Attestation + - Electronic attestation of an entity's compliance with the national regulatory framework, which is cryptographically verifiable and cannot be repudiated over time by the entity that issued it. A Trust Attestation is always related to a particular Trust Framework. + * - Trust Layer + - An architectural component that enables IT Wallet system participants to establish trust, in terms of reliability and compliance of all participants with the regulatory framework governing the digital identity system. + +Acronyms +-------- + +.. list-table:: + :widths: 20 80 + :header-rows: 1 + + * - **Acronym** + - **Description** + * - **OID4VP** + - OpenID for Verifiable Presentation + * - **PID** + - Person Identification Data + * - **VC** + - Verifiable Credential + * - **VP** + - Verifiable Presentation + * - **API** + - Application Programming Interface + diff --git a/mdoccbor/en/_sources/index.rst.txt b/mdoccbor/en/_sources/index.rst.txt new file mode 100644 index 000000000..268491c5c --- /dev/null +++ b/mdoccbor/en/_sources/index.rst.txt @@ -0,0 +1,79 @@ +.. include:: ../common/common_definitions.rst + +============================================= +Italian eIDAS Wallet Technical Specifications +============================================= + +Introduction +------------ + +**What is eIDAS** + +eIDAS stands for "electronic IDentification, Authentication and trust Services" and is the commonly used name for the EU Regulation, 910/2014, on electronic identification and trust services for electronic transactions in the internal market, repealing the old signature Directive 1999/93/EC. + +The new eIDAS project establishes the European Digital Identity Wallet (EUDI Wallet) and proposes to overcome the dissimilarities, both in technological and user experience terms, that exist among the 21 digital identities (eIDs) currently active within as many as 16 Member States. + +**What is IT Wallet** + +The IT Wallet project was created to improve the national digital identity governance experience and respond to the input received from the European community in the areas of innovation, decentralization and digital awareness. + +To date, three identity systems coexist in Italy for access to public and private web services, namely: + + - Electronic Identity Card (CIE); + - Public Digital Identity System (SPID); + - Health Card - National Service Card (TS-CNS). + +The result is a difficult, and thus costly, experience for citizens and service providers who must implement and maintain multiple authentication systems to ensure citizens' access to their digital services. + +Therefore, the IT Wallet proposes to: + + - Streamline the digital identity ecosystem in Italy, optimizing the allocation of public resources; + - Simplify the digital access experience for citizens, the Public Administration and businesses; + - Integrate new functions related to certified attributes, strengthening the digital identity model and promoting the inclusion of public and private entities; + - Consolidate best practices in digital identities in Italy by maximizing deployment, quality of use and infrastructure provision; + - Adequately accommodate the European Digital Identity Wallet on the basis of the experience acquired by developing the national Wallet in full compliance with the European model. + +In order to achieve these objectives and enhance the already active and eIDAS-notified digital identity schemes, the IT Wallet project proposes a technological and governance evolution that envisages, in a progressive way, the migration of the digital identification component of CIE and SPID to IT Wallet. + +**Purpose of these technical rules** + +The purpose of the following technical rules is to define the technical architecture and reference framework to be used as a guideline by all the parties involved in the development of the IT Wallet project. + +In this documentation you can find the technical specification +for implementing the following components: + + - Entities of the ecosystem according to `EIDAS-ARF`_. + - Infrastructure of trust attesting realiability and eligibility of the participants. + - PID and EAAs data schemes and attribute sets. + - PID/EAA in MDL CBOR format. + - PID/EAA in `SD-JWT`_ format. + - Wallet Solution general architecture. + - Wallet Instance Attestation data model in `JWS`_ format. + - Issuance of PID/EAA according to `OpenID4VCI`_. + - Presentation of PID/EAA according to `OpenID4VP`_. + - Presentation of pseudonyms according to `SIOPv2`_. + - PID/EAA backup and restore mechanisms. + - PID/EAA revocation lists. + + +Index of content +---------------- + +.. toctree:: + :maxdepth: 2 + + ssi-introduction.rst + defined-terms.rst + trust.rst + pid-data-model.rst + pid-issuance.rst + wallet-solution.rst + wallet-instance-attestation.rst + relying-party-solution.rst + pseudonyms.rst + backup-restore.rst + revocation-lists.rst + algorithms.rst + contribute.rst + standards.rst + diff --git a/mdoccbor/en/_sources/pid-data-model.rst.txt b/mdoccbor/en/_sources/pid-data-model.rst.txt new file mode 100644 index 000000000..2ab8891d8 --- /dev/null +++ b/mdoccbor/en/_sources/pid-data-model.rst.txt @@ -0,0 +1,689 @@ + +.. include:: ../common/common_definitions.rst + +.. _pid_data_model.rst: + +PID Data Model +++++++++++++++ + +The Person Identification Data (PID) is issued by the PID Provider following national laws and allows a natural person to be authenitcated and identified. + +The User attributes carried in the Italian PID are: + + - Current Family Name + - Current First Name + - Date of Birth + - Place of Birth + - Unique Identifier + - Taxpayer identification number + +This section contains all about the data model elements and the encoding formats as specified +in the *SD-JWT* and the *ISO/IEC 18013-5* standards and extended by `EIDAS-ARF`_ . + +SD-JWT +====== + +The PID is given as a digital credential with JSON payload based on the `Selective Disclosure JWT format `_ as specified in `[draft-terbu-sd-jwt-vc-latest] `__. + +An SD-JWT is a JWT that MUST be signed using the Issuer's private key. The SD-JWT payload of the MUST contain the **_sd_alg** claim described in `[SD-JWT]. Section 5.1.2. `_ and other claims specified in this section, some of them may be selectively disclosable claims. + +The claim **_sd_alg** indicates the hash algorithm used by the Issuer to generate the digests over the salts and the claim values. The **_sd_alg** claim MUST be set to one of the specified algorithms in Section :ref:`Cryptographic Algorithms `. + +Selectively disclosable claims are omitted from the SD-JWT. Instead, the digests of the respective disclosures and decoy digests are contained as an array in a **_sd** JWT claim. + +Each digest value ensures the integrity of, and maps to, the respective Disclosure. Digest values are calculated using a hash function over the disclosures, each of which contains + + - a random salt, + - the claim name (only when the claim is an object property), + - the claim value. + +The Disclosures are sent to the Holder together with the SD-JWT in the *Combined Format for Issuance* that MUST be an ordered series of base64url-encoded values, each separated from the next by a single tilde ('~') character as follows: + +.. code-block:: + + ~~~...~ + +See `[draft-terbu-sd-jwt-vc-latest] `_ and `[SD-JWT] `__ for more details. + +SD-JWT Data Elements +==================== + +The JOSE header contains the following mandatory parameters: + +.. _pid_jose_header: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **typ** + - MUST be set to ``vc+sd-jwt`` as defined in `[draft-terbu-sd-jwt-vc-latest] `__. + - `[RFC7515, Section 4.1.9] `_. + * - **alg** + - Signature Algorithm. + - `[RFC7515, Section 4.1.1] `_. + * - **kid** + - Unique identifier of the public key. + - `[RFC7515, Section 4.1.8] `_. + * - **trust_chain** + - JSON array containing the trust chain that proves the reliability of the issuer of the JWT. + - `[OIDC-FED, Section 3.2.1] `_. + +The following claims MUST be in the JWT payload and MUST NOT be included in the disclosures, i.e. cannot be selectively disclosed. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **iss** + - The PID Provider identifier as URL string (the issuer of this JWT) + - `[RFC7519, Section 4.1.1] `_. + * - **sub** + - Thumbprint of the JWK in the ``cnf`` parameter + - `[RFC7519, Section 4.1.2] `_. + * - **jti** + - Unique Token ID identifier of this JWT. It SHOULD be a String in *uuid4* format. + - `[RFC7519, Section 4.1.7] `_. + * - **iat** + - UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in :rfc:`7519`. + - `[RFC7519, Section 4.1.6] `_. + * - **exp** + - UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in :rfc:`7519`. + - `[RFC7519, Section 4.1.4] `_. + * - **status** + - HTTPS URL where the credential validity status is available + - `[SD-JWT-VC. Section 4.2.2.2] `_. + * - **cnf** + - JSON object containing the proof-of-possession key materials. By including a **cnf** (confirmation) claim in a JWT, the issuer of the JWT declares that the presenter is in control of the private key related to the public one defined in the **cnf** parameter. The recipient MUST cryptographically verify that the presenter is in control of that key. + - `[RFC7800, Section 3.1] `_. + * - **type** + - Credential type as a string, MUST be set to ``eu.eudiw.pid.it``. + - `[draft-terbu-sd-jwt-vc-latest. Section 4.2.2.2] `__. + * - **verified_claims** + - JSON object containing the following sub-elements: + + - **verification**; + - **claims**. + - `[OIDC.IDA. Section 5] `_. + +Since the Italian PID is extended according to the `OpenID Identity Assurance Profile [OIDC.IDA] `_, +that enables the binding of the PID to a national trust framework, giving all the evidence of the identity proofing procedures, +the ``verification`` claim contain the information as sub claims regarding the identity proofing evidence during the issuing phase of the PID. +The ``claims`` parameter contains the user attributes claims. Some of these additional claims MAY be included in the Disclosures and MAY be +selectively disclosed and they are given in the following tables that also specify whether a claim is selectively disclosable (SD) or not (NSD). + +The ``verification`` claim is a JSON structure with all the following mandatory sub-claims. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **trust_framework** + - [NSD]. MUST be set to eidas + - `[OID.IDA. Section 5.1] `_ + * - **assurance_level** + - [NSD]. MUST be set to high + - `[OID.IDA. Section 5.1] `_ + * - **evidence** + - [SD]. JSON Array. Each element is the electronic evidence of the user identification during the PID issuing phase. It MUST contain at least the following claims: + + - **type**: MUST be set to ``electronic_record`` + - **record**: JSON object (see the table below) + - `[OID.IDA. Section 5.1] `_ + + +The ``record`` MUST have at least the following sub parameters: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **type** + - identification of the national eID framework used by the User. For example ``eidas.it.cie`` means that the CIE id identification scheme is used by the User. + - `[OID.IDA. Section 5.1.1.2] `_ + * - **source** + - JSON Object cointaining the follwoing mandatory claims: + + - **organization_name**: Name of the Organization handling the eID used by the User + - **organization_id**: Identification code for the Organization. It MUST be set to the *IPA Code* of the Organization + - **country_code**: String representing country in `[ISO3166-1] Alpha-2 (e.g., IT) or [ISO3166-3] syntax `_. + - `[OID.IDA. Section 5.1.1.2] `_ + +.. warning:: + Note that the sub-claims of the **evidence** parameter are not selectively disclosable separately, thus, for example, the User cannot give only the *record type* without disclosure the *record source* (organization name, identifier and country that hendles the User identity proofing). + +Finally, the ``claims`` parameter contains the following mandatory claims: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **given_name** + - [SD]. Current First Name + - `[OpenID Connect Core 1.0, Section 5.1] `_ + * - **family_name** + - [SD]. Current Family Name + - `[OpenID Connect Core 1.0, Section 5.1] `_ + * - **birthdate** + - [SD]. Date of Birth + - `[OpenID Connect Core 1.0, Section 5.1] `_ + * - **place_of_birth** + - [SD]. Place of Birth. JSON Object with the following subclaims: + + - **country** + - **locality** + - `[OpenID Connect for Identity Assurance 1.0, Section 4] `_ + * - **unique_id** + - [SD]. Unique citizen identifier (ID ANPR) given by the National Register of the Resident Population (ANPR). It MUST be set according to `ANPR rules `_ + - This specification + * - **tax_id_number** + - [SD]. National tax identification code of natural person as a String format. It MUST be set according to ETSI EN 319 412-1. For example ``TINIT-`` + - This specification + + + +Non-normative examples +---------------------- + +In the following, we provide a non-normative example of PID VC in JSON. + +.. code-block:: JSON + + { + "verified_claims": { + "verification": { + "trust_framework": "eidas", + "assurance_level": "high", + "evidence": [ + { + "type": "electronic_record", + "record": { + "type": "eidas.it.cie", + "source": { + "organization_name": "Ministero dell'Interno", + "organization_id": "m_it", + "country_code": "IT" + } + } + } + ] + }, + "claims": { + "unique_id": + "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx", + "given_name": "Mario", + "family_name": "Rossi", + "birthdate": "1980-01-10", + "place_of_birth": { + "country": "IT", + "locality": "Rome" + }, + "tax_id_number": "TINIT-XXXXXXXXXXXXXXXX" + } + } + } + +The corresponding SD-JWT verson for PID is given by + +.. code-block:: JSON + + { + "typ":"vc+sd-jwt", + "alg":"RS512", + "kid":"dB67gL7ck3TFiIAf7N6_7SHvqk0MDYMEQcoGGlkUAAw", + "trust_chain" : [ + "NEhRdERpYnlHY3M5WldWTWZ2aUhm ...", + "eyJhbGciOiJSUzI1NiIsImtpZCI6 ...", + "IkJYdmZybG5oQU11SFIwN2FqVW1B ..." + ] + } + +.. code-block:: JSON + + { + "iss": "https://pidprovider.example.org", + "sub": "NzbLsXh8uDCcd7noWXFZAfHkxZsRGC9Xs...", + "jti": "urn:uuid:6c5c0a49-b589-431d-bae7-219122a9ec2c", + "iat": 1541493724, + "exp": 1541493724, + "status": "https://pidprovider.example.org/status", + "cnf": { + "jwk": { + "kty": "RSA", + "use": "sig", + "n": "1Ta-sE …", + "e": "AQAB", + "kid": "YhNFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs" + } + }, + "type": "PersonIdentificationData", + "verified_claims": { + "verification": { + "_sd": [ + "OGm7ryXgt5Xzlevp-Hu-UTk0a-TxAaPAobqv1pIWMfw" + ], + "trust_framework": "eidas", + "assurance_level": "high" + }, + "claims": { + "_sd": [ + "8JjozBfovMNvQ3HflmPWy4O19Gpxs61FWHjZebU589E", + "BoMGktW1rbikntw8Fzx_BeL4YbAndr6AHsdgpatFCig", + "CFLGzentGNRFngnLVVQVcoAFi05r6RJUX-rdbLdEfew", + "JU_sTaHCngS32X-0ajHrd1-HCLCkpT5YqgcfQme168w", + "VQI-S1mT1Kxfq2o8J9io7xMMX2MIxaG9M9PeJVqrMcA", + "zVdghcmClMVWlUgGsGpSkCPkEHZ4u9oWj1SlIBlCc1o" + ] + } + }, + "_sd_alg": "sha-256" + } + +In the following the disclosure list is given + +Claim **evidence**: + +- SHA-256 Hash: ``OGm7ryXgt5Xzlevp-Hu-UTk0a-TxAaPAobqv1pIWMfw`` +- Disclosure: + ``WyIyR0xDNDJzS1F2ZUNmR2ZyeU5STjl3IiwgImV2aWRlbmNlIiwgW3sidHlw`` + ``ZSI6ICJlbGVjdHJvbmljX3JlY29yZCIsICJyZWNvcmQiOiB7InR5cGUiOiAi`` + ``ZWlkYXMuaXQuY2llIiwgInNvdXJjZSI6IHsib3JnYW5pemF0aW9uX25hbWUi`` + ``OiAiTWluaXN0ZXJvIGRlbGwnSW50ZXJubyIsICJvcmdhbml6YXRpb25faWQi`` + ``OiAibV9pdCIsICJjb3VudHJ5X2NvZGUiOiAiSVQifX19XV0`` +- Contents: ``["2GLC42sKQveCfGfryNRN9w", "evidence", [{"type":`` + ``"electronic_record", "record": {"type": "eidas.it.cie",`` + ``"source": {"organization_name": "Ministero dell'Interno",`` + ``"organization_id": "m_it", "country_code": "IT"}}}]]`` + +Claim **unique_id**: + +- SHA-256 Hash: ``BoMGktW1rbikntw8Fzx_BeL4YbAndr6AHsdgpatFCig`` +- Disclosure: + ``WyJlbHVWNU9nM2dTTklJOEVZbnN4QV9BIiwgInVuaXF1ZV9pZCIsICJ4eHh4`` + ``eHh4eC14eHh4LXh4eHgteHh4eC14eHh4eHh4eHh4eHgiXQ`` +- Contents: ``["eluV5Og3gSNII8EYnsxA_A", "unique_id",`` + ``"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"]`` + +Claim **given_name**: + +- SHA-256 Hash: ``zVdghcmClMVWlUgGsGpSkCPkEHZ4u9oWj1SlIBlCc1o`` +- Disclosure: + ``WyI2SWo3dE0tYTVpVlBHYm9TNXRtdlZBIiwgImdpdmVuX25hbWUiLCAiTWFy`` + ``aW8iXQ`` +- Contents: ``["6Ij7tM-a5iVPGboS5tmvVA", "given_name", "Mario"]`` + +Claim **family_name**: + +- SHA-256 Hash: ``VQI-S1mT1Kxfq2o8J9io7xMMX2MIxaG9M9PeJVqrMcA`` +- Disclosure: + ``WyJlSThaV205UW5LUHBOUGVOZW5IZGhRIiwgImZhbWlseV9uYW1lIiwgIlJv`` + ``c3NpIl0`` +- Contents: ``["eI8ZWm9QnKPpNPeNenHdhQ", "family_name", "Rossi"]`` + +Claim **birthdate**: + +- SHA-256 Hash: ``CFLGzentGNRFngnLVVQVcoAFi05r6RJUX-rdbLdEfew`` +- Disclosure: + ``WyJRZ19PNjR6cUF4ZTQxMmExMDhpcm9BIiwgImJpcnRoZGF0ZSIsICIxOTgw`` + ``LTAxLTEwIl0`` +- Contents: ``["Qg_O64zqAxe412a108iroA", "birthdate", "1980-01-10"]`` + +Claim **place_of_birth**: + +- SHA-256 Hash: ``JU_sTaHCngS32X-0ajHrd1-HCLCkpT5YqgcfQme168w`` +- Disclosure: + ``WyJBSngtMDk1VlBycFR0TjRRTU9xUk9BIiwgInBsYWNlX29mX2JpcnRoIiwg`` + ``eyJjb3VudHJ5IjogIklUIiwgImxvY2FsaXR5IjogIlJvbWUifV0`` +- Contents: + ``["AJx-095VPrpTtN4QMOqROA", "place_of_birth", {"country":`` + ``"IT", "locality": "Rome"}]`` + +Claim **tax_id_code**: + +- SHA-256 Hash: ``8JjozBfovMNvQ3HflmPWy4O19Gpxs61FWHjZebU589E`` +- Disclosure: + ``WyJQYzMzSk0yTGNoY1VfbEhnZ3ZfdWZRIiwgInRheF9pZF9jb2RlIiwgIlRJ`` + ``TklULVhYWFhYWFhYWFhYWFhYWFgiXQ`` +- Contents: ``["Pc33JM2LchcU_lHggv_ufQ", "tax_id_code",`` + ``"TINIT-XXXXXXXXXXXXXXXX"]`` + +The combined format for the PID issuance is given by + +.. code-block:: + + eyJhbGciOiAiRVMyNTYifQ.eyJpc3MiOiAiaHR0cHM6Ly9waWRwcm92aWRlci5pdCIsI + CJpYXQiOiAxNjgzMDAwMDAwLCAiZXhwIjogMTg4MzAwMDAwMCwgInZlcmlmaWVkX2NsY + WltcyI6IHsidmVyaWZpY2F0aW9uIjogeyJfc2QiOiBbIk9HbTdyeVhndDVYemxldnAtS + HUtVVRrMGEtVHhBYVBBb2JxdjFwSVdNZnciXSwgInRydXN0X2ZyYW1ld29yayI6ICJla + WRhcyIsICJhc3N1cmFuY2VfbGV2ZWwiOiAiaGlnaCJ9LCAiY2xhaW1zIjogeyJfc2QiO + iBbIjhKam96QmZvdk1OdlEzSGZsbVBXeTRPMTlHcHhzNjFGV0hqWmViVTU4OUUiLCAiQ + m9NR2t0VzFyYmlrbnR3OEZ6eF9CZUw0WWJBbmRyNkFIc2RncGF0RkNpZyIsICJDRkxHe + mVudEdOUkZuZ25MVlZRVmNvQUZpMDVyNlJKVVgtcmRiTGRFZmV3IiwgIkpVX3NUYUhDb + mdTMzJYLTBhakhyZDEtSENMQ2twVDVZcWdjZlFtZTE2OHciLCAiVlFJLVMxbVQxS3hmc + TJvOEo5aW83eE1NWDJNSXhhRzlNOVBlSlZxck1jQSIsICJ6VmRnaGNtQ2xNVldsVWdHc + 0dwU2tDUGtFSFo0dTlvV2oxU2xJQmxDYzFvIl19fSwgIl9zZF9hbGciOiAic2hhLTI1N + iJ9.gsvYGCpWbnx8Dkd5ofKq-MtZplFFV49uY42Yf9S3rZe_SPTjg_AWdpm4bvSOhNbe + P0aMzFGtftSk3-3sufXBdw~WyIyR0xDNDJzS1F2ZUNmR2ZyeU5STjl3IiwgImV2aWRlb + mNlIiwgW3sidHlwZSI6ICJlbGVjdHJvbmljX3JlY29yZCIsICJyZWNvcmQiOiB7InR5c + GUiOiAiZWlkYXMuaXQuY2llIiwgInNvdXJjZSI6IHsib3JnYW5pemF0aW9uX25hbWUiO + iAiTWluaXN0ZXJvIGRlbGwnSW50ZXJubyIsICJvcmdhbml6YXRpb25faWQiOiAibV9pd + CIsICJjb3VudHJ5X2NvZGUiOiAiSVQifX19XV0~WyJlbHVWNU9nM2dTTklJOEVZbnN4Q + V9BIiwgInVuaXF1ZV9pZCIsICJ4eHh4eHh4eC14eHh4LXh4eHgteHh4eC14eHh4eHh4e + Hh4eHgiXQ~WyI2SWo3dE0tYTVpVlBHYm9TNXRtdlZBIiwgImdpdmVuX25hbWUiLCAiTW + FyaW8iXQ~WyJlSThaV205UW5LUHBOUGVOZW5IZGhRIiwgImZhbWlseV9uYW1lIiwgIlJ + vc3NpIl0~WyJRZ19PNjR6cUF4ZTQxMmExMDhpcm9BIiwgImJpcnRoZGF0ZSIsICIxOTg + wLTAxLTEwIl0~WyJBSngtMDk1VlBycFR0TjRRTU9xUk9BIiwgInBsYWNlX29mX2JpcnR + oIiwgeyJjb3VudHJ5IjogIklUIiwgImxvY2FsaXR5IjogIlJvbWUifV0~WyJQYzMzSk0 + yTGNoY1VfbEhnZ3ZfdWZRIiwgInRheF9pZF9jb2RlIiwgIlRJTklULVhYWFhYWFhYWFh + YWFhYWFgiXQ + + + +MDOC-CBOR +========= + +The PID MDOC-CBOR data model is defined in +ISO/IEC 18013-5, the standard born for the the mobile driving license (mDL) use case. + +The MDOC data elements for the EUDI Wallet PID +are those defined in the `EIDAS-ARF`_, these must be encoded as defined in `RFC 8949 - Concise Binary Object Representation (CBOR) `_. + +The PID MDOC-CBOR document type uses the namespace `eu.europa.ec.eudiw.pid.1`, +according to the reverse domain approach defined in the +`EIDAS-ARF`_ and in fully harmonization with the ISO/IEC 18013-5 standard. + +The the data elements contained in the document, uses the same namespace +for the required PID attributes, while the national PID attributes use the domestic +namespace `eu.europa.ec.eudiw.pid.it.1`, defined in this implementation profile. + +.. note:: + + This specification publishes the Italian PID MDOC-CBOR namespace, + including all data element identifiers, their definition + and encoding format. + + +MDOC-CBOR Data Schema ++++++++++++++++++++++ + +A PID issued in the MDOC-CBOR format must have the following data element: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Element** + - **Encoding** + - **Description** + * - **docType** + - tstr (text string) + - The document type. + * - **issuerSigned** + - bstr (byte string) + - The issuerSigned object containing the `nameSpaces` and the + `issuerAuth` objects. + +.. note:: + The `issuerSigned` contains the `nameSpaces` object and the + `Mobile Security Object`, however sole signed object is + the `Mobile Security Object`, while the `nameSpaces` object is not + signed. + + +A non-normative example of the PID document is represented below. + +..code-block:: + + { + "docType": "eu.europa.ec.eudiw.pid.1", + "issuerSigned": { + "nameSpaces": { + "eu.europa.ec.eudiw.pid.1": [ + { + "digestID": 0, + "random": $binary-random-value, + "elementIdentifier": "family_name", + "elementValue": "Rossi" + }, + { + "digestID": 1, + "random": $binary-random-value, + "elementIdentifier": "given_name", + "elementValue": "Mario" + }, + { + "digestID": 2, + "random": $binary-random-value, + "elementIdentifier": "birth_date", + "elementValue": { + "CBORTag:1004": "2007-10-20" + } + }, + { + "digestID": 3, + "random": $binary-random-value, + "elementIdentifier": "birth_place", + "elementValue": "Rome" + }, + { + "digestID": 4, + "random": $binary-random-value, + "elementIdentifier": "birth_country", + "elementValue": "IT" + } + ], + "eu.europa.ec.eudiw.pid.it.1": [ + { + "digestID": 0, + "random": $binary-random-value, + "elementIdentifier": "tax_id_code", + "elementValue": "TINIT-XXXXXXXXXXXXXXXX" + }, + ], + ] + }, + "issuerAuth": $MobileSecurityObject, + }, + } + +nameSpaces ++++++++++++++ + +The `nameSpaces` object contains the key value representing the namespaces +where each value is an array of `IssuerSignedItems` encoded in CBORTag(24), representing the disclosure information for each digest within the `Mobile Security Object`. + +Each digest disclosure object contains the following parameters: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Name** + - **Encoding** + - **Description** + * - **digestID** + - integer + - Digest unique identifier within its namespace. + * - **random** + - bstr (byte string) + - Random byte value used as salt for the hash function. This value shall be different for each IssuerSignedItem and shall have a minimum length of 16 bytes. + * - **elementIdentifier** + - tstr (text string) + - User attribute name. + * - **elementValue** + - depends by the value, see the next table. + - User attribute value. + +The supported `elementValue` in this specification are the followings: + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Element** + - **Encoding** + * - **given_name** + - tstr (text string) + * - **family_name** + - tstr (text string) + * - **birth_date** + - full-date (CBORTag 1004) + * - **birth_place** + - tstr (text string) + * - **birth_country** + - tstr (text string) + * - **unique_id** + - tstr (text string) + * - **tax_id_code** + - tstr (text string) + +Mobile Security Object +++++++++++++++++++++++ + +The `Mobile Security Object` is an untagged value containing a `COSE Sign1 Document`, as defined in `RFC 9052 - CBOR Object Signing and Encryption (COSE): Structures and Process `_. It is composed by: + +* protected header +* unprotected header +* payload +* signature. + +The protected header must contain the following parameter encoded in CBOR format: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Element** + - **Description** + - **Reference** + * - **Signature algorithm** + - `-7` means ES256, SHA-256. + - RFC8152 + +.. note:: + Only the Signature Algorithm must be present in the protected headers, other elements should not be present in the protected header. + + +The unprotected header must contain the following parameter: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Element** + - **Description** + - **Reference** + * - **x5chain** + - Identified with the label 33 + - `RFC 9360 CBOR Object Signing and Encryption (COSE) - Header Parameters for Carrying and Referencing X.509 Certificates `_. + +.. note:: + The `x5chain` is included in the unprotected header with the aim to make the Holder able to updated the X.509 certificate chain in a Mobile Security Object without breaking its signature. + +The payload must contain the following parameter: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Element** + - **Encoding** + - **Description** + * - **MobileSecurityObjectBytes** + - CBORTag(24) without any `content-type` value + - object containing the following attributes: + + * version + * digestAlgorithm + * valueDigests + * deviceKeyInfo + +Therein a non-normative example of a decoded `MobileSecurityObjectBytes`, represented below in JSON format: + +..code-block:: + + { + 'version': '1.0', + 'digestAlgorithm': 'SHA-256', + 'valueDigests': { + 'eu.europa.ec.eudiw.pid.1': { + 0: $digestbinaryvalue, + 1: $digestbinaryvalue, + 2: $digestbinaryvalue, + 3: $digestbinaryvalue, + 4: $digestbinaryvalue, + }, + 'eu.europa.ec.eudiw.pid.it.1': { + 0: $digestbinaryvalue + } + }, + 'deviceKeyInfo': { + 'deviceKey': { + 1: 2, + -1: 1, + -2: b'\x961=lc\xe2N3rt+\xfd\xb1\xa3;\xa2\xc8\x97\xdc\xd6\x8a\xb8\xc7S\xe4\xfb\xd4\x8d\xcak\x7f\x9a', + -3: b'\x1f\xb3&\x9e\xddA\x88W\xde\x1b9\xa4\xe4\xa4K\x92\xfaHL\xaar,"\x82\x88\xf0\x1d\x0c\x03\xa2\xc3\xd6'} + }, + 'docType': 'eu.europa.ec.eudiw.pid.1', + 'validityInfo': { + 'signed': Tag(0, '2020-10-01T13:30:02Z'), + 'validFrom': Tag(0, '2020-10-01T13:30:02Z'), + 'validUntil': Tag(0, '2021-10-01T13:30:02Z') + } + } + +The `MobileSecurityObjectBytes` attributes are described below: + +.. list-table:: + :widths: 20 20 60 + :header-rows: 1 + + * - **Element** + - **Encoding** + - **Description** + * - **version** + - tstr + - + * - **digestAlgorithm** + - tstr + - According to the algorithm defined in the protected header. + * - **valueDigests** + - bstr + - Mapped digest by unique id, grouped by namespace. + * - **deviceKeyInfo** + - Information related to the Wallet Instance's cryptographic keys. + - Containing: + + * **deviceKey**, public key (Holder Key Binding) of the Wallet Instace where this MSO was issued for. + * **docType**, public key pair used for authentication. The ‘deviceKey’ element is encoded as an untagged COSE_Key element as specified in RFC 8152. + * **validityInfo**, object containing issuance and expiration datetimes. + +.. note:: + The private key which belongs to the public key stored in the `deviceKey` object, is used to authenticate the PID during the presentation phase where the `DeviceSignedItems` structure is involved (see the presentation phase with MDOC-CBOR). + + +MDOC-CBOR Examples +++++++++++++++++++ + +.. code-block:: text + + TBD: example PID encoded as AF Binary + +.. code-block:: text + + TBD: the previous example PID in diagnostic representation diff --git a/mdoccbor/en/_sources/pid-issuance.rst.txt b/mdoccbor/en/_sources/pid-issuance.rst.txt new file mode 100644 index 000000000..10c195535 --- /dev/null +++ b/mdoccbor/en/_sources/pid-issuance.rst.txt @@ -0,0 +1,885 @@ +.. include:: ../common/common_definitions.rst + +.. _pid_issuance.rst: + +PID Issuance ++++++++++++++ + +The relevant entities and interfaces involved in the issuance flow are: + + - *Wallet Provider*: It represents an organization (public or private) that is responsible for the release of an eIDAS-compliant EUDI Wallet Solution. It also issues thes Wallet Instance Attestation to its Wallet Instances by means of an Attestation Service. The Wallet Attestation certifies the genuinity and authenticity of the Wallet Instance and its compliance with a Trust Framework in compliance to the security and privacy requirements. + - *Wallet Solution*: It represents the entire product and service owned by a Wallet Provider, offered to all Users of that solution. A Wallet Solution must be certified as being EUDI-compliant by a Conformity Assessment Body (CAB). + - *Wallet Instance*: instance of a Wallet Solution, installed on User's device. It provides interfaces for User interaction with the Wallet Provider, Relying Parties, PID and (Q)EAA Providers. + - *PID Provider*: It represents the issuer of eIDAS Person Identification Data (PID). It is composed of: + + - OpenID4VCI Component: based on the “OpenID for Verifiable Credential Issuance” specification `[OIDC4VCI. Draft 13] `_ to release PID credentials. + - National eID Relying Party (OpenID Connect or SAML2): It represents the component to authenticate the End-User with the national Digital Identity Providers. + - National IdP: It represents preexisting identity systems based on SAML2 or OpenID Connect, already in production in each Member State (for Italy SPID and CIE id authentication schemed notified eIDAS with *LoA* **High**, see `SPID/CIE OpenID Connect Specifications `_). + +.. _fig_High-Level-Flow-EUDIW-PID-Issuing: +.. figure:: ../../images/High-Level-Flow-EUDIW-PID-Issuing.svg + :figwidth: 100% + :align: center + + PID Issuance - General architecture and high level flow + +The :numref:`fig_High-Level-Flow-EUDIW-PID-Issuing` shows a general architecture and highlights the main operations involved in the issuance of a PID, in particular: + + 0. **Wallet Instance Setup**: the first time the Wallet Instance is started a preliminary setup phase MUST be carried out. It consists of the release of a verifiable proof issued by the Attestation Service provided by the Wallet Provider that asserts the genuineness, the authenticity and the compliance with a trust framework of the Wallet Instance. The verifiable proof binds a public key corresponding to a local private key generated by the Wallet Instance. + 1. **Obtaining the trusted PID Provider**: the Wallet Instance queries the Trust Anchor to fetch the trusted PID Provider. + 2. **Obtaining of PID Provider metadata**: the Wallet Instance establishes the trust to the PID Provider according to the Trust Model, obtaining the Metadata that discloses the formats of the PID, the algorithms supported, and any other parameter required for interoperability needs. + 3. **PID request**: following the Authorization Code Flow in `[OIDC4VCI. Draft 13] `_ the Wallet Instance requests a PID to the PID Provider. A fresh key pairs is generated by the Wallet Instance, the public key is used by PID Provider for the key binding of the PID. + 4. **End-user authentication**: the PID Provider authenticates the End-User with LoA High, acting as an IAM Proxy to the National eID system. + 5. **PID issuance**: once the User authentication with LoA High happens, the User gives their consent, the PID Provider checks the Wallet Instance by means of the Wallet Attestation and the Trust Chain related to the Wallet Provider. Finally, the PID Provider releases a PID bound to the key material held by the requesting Wallet instance. + +The Wallet Instance Setup phase is described in Section [...]. In the following Section the steps from 1 to 5 are further expanded into more technical detailed steps. + +Detailed Flow +------------- + +The PID Issuance phase is based on the **Authorization Code Flow** with **Pushed Authorization Requests** (PAR) [:rfc:`9126`] and **PKCE** (Proof Key for Code Exchange, :rfc:`7636`) as recommended in `[OIDC4VCI. Draft 13. Section 3.4] `_. A *Wallet Initiated Flow* is considered and the User receives the PID directly in response to the Credential Request (*Immediate Flow*). + +.. _fig_Low-Level-Flow-EUDIW-PID-Issuing: +.. figure:: ../../images/Low-Level-Flow-EUDIW-PID-Issuing.svg + :figwidth: 100% + :align: center + :target: https://www.plantuml.com/plantuml/svg/bLHTJ-iu47tthnW1qb8frRuZBQ905wf5gwfRn6Fa9jDcrDJE-gEbzzVVSQm4ft1HB-AXySoSENEEntVMIUFyhXRIEwtyReL6Y8RFgA16AWSNhnRD1KWBNeYLVey7VrYmEyvgAgtm0YvVQ5Ev-zhZiFRUw4DVBeUnDrdNw62cc88giCqv25GbS1VnPUxSw3sL4GzM9pdpsUCmWGJ_7M1y2_u6zCf9Kd3KtW1d2WzZ3Xnku8XM2AEqGz1xD720oxVdsN8gOWL8gCawq6jO6cyTbf0s2dpROkuqlkK-XLPhCZjm5OB56Wj7Md7ri4fuxixDzNROEoEMSlRql7nQJAV_YXE9eAYms5h6bgvja682MGXwSAyszZVoeMoxIrLsyvEpi4CdI-baoXs26C3q3Kh7mFyyJ7cK4e5fqPhGn1mWpfbF5h30_psoBDS6RQELnTmT6yoWg0cLowdCslAygC88QeEdtpcpg3IdcOZKbqfhqGJQAM9o_DTLLAKJPU8SbxU3NeqWLPEorK3DLArFKaRGSzJy7iVIHadd3N9b2fpGX618wyHUrbIIEq9YXQ1uCtkXexwiT1GgzuOomFU6MFgSr2XUSYxnyWOcdbKrz2CswbrAR4bWHiBBjf9-kr0CXVRTqdZBtvAnk8gA27OWLm7E7YV_mJC_4-tqHPX9kMHkWZW3d71950WtA8EW8lRK3sVc9tTyWofuYV0urtFOul6NiSPeTd6jpN3JdDwY0gRUQE8PajLOSgHNBmwU0ALgRenKhhlYkkpserktizSX-5AImQ8pXk8eaKkgXYmAj3PloMTnXeYPN2R6pvLM1VO_ye_WbngkELO54LkP2YOJd9VrvpSbQi3_ZMRorWQlhcENQ4-I_xq3QP_UXiI5XpxwXHM93F5b71ZKL-ObhabHb9ZxxwJBOjOelVhTUtt_yZeL2zoGTNmgwphiVa9pRB3ceKeGf28Q0xTpHSVZglnfSA_ZJqZUXDxJPBB4s8xTHxUpRMHH-qSeYD4kYxVnLKlohDC6KtVlc9pVrJy1 + + PID Issuance - Detailed flow + +**Steps 1-4:** The User has selected a PID Provider, and the Wallet Instance obtains the metadata for the selected PID Provider. + +.. note:: + + **Federation Check:** The Wallet Instance needs to check if the PID Provider is part of Federation and then it can consume its Metadata. A non-normative example of a response from the endpoint **.well-known/openid-federation** with the **Entity Configuration** and the **Metadata** of the PID Provider is represented within the section `Entity Configuration Credential Issuer `_. + + +**Steps 5-6:** The Wallet Instance creates a PKCE code verifier that sends in a *pushed authorization request*, using the request parameter (see :rfc:`9126` Section 3) to the PID Provider authorization endpoint. The Wallet Instance signs the request using its private key. A OAuth2 client authentication method must be involved, since in this flow the pushed authorization endpoint is a protected endpoint. The client authentication should be based on the model defined in [:rfc:`7521`] using the Wallet Instance Attestation JWS inside the **client_assertion** parameter. The authorization_details [RAR :rfc:`9396`] parameter is extended to allow Wallet Instance to specify the types of the credentials when requesting authorization for the PID issuance. + +Below a non-normative example of the PAR. + +.. code-block:: http + + POST /as/par HTTP/1.1 + Host: pid-provider.example.org + Content-Type: application/x-www-form-urlencoded + + response_type=code + &client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$ + &code_challenge=E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM + &code_challenge_method=S256 + &request=eyJhbGciOiJSUzI1NiIsImtpZCI6ImsyYmRjIn0.ew0KIC Jpc3MiOiAiczZCaGRSa3F0MyIsDQogImF1ZCI6ICJodHRwczovL3NlcnZlci5leGFtcGxlLmNvbSIsDQo gInJlc3BvbnNlX3R5cGUiOiAiY29kZSBpZF90b2tlbiIsDQogImNsaWVudF9pZCI6ICJzNkJoZFJrcXQz IiwNCiAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vY2xpZW50LmV4YW1... + &client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation + &client_assertion=$WalletInstanceAttestation$ + +The JWS header of request object is represented below: + +.. code-block:: JSON + + { + "alg": "ES256", + "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc", + } + + +The JWS payload of the request object is represented below: + +.. code-block:: JSON + + { + "response_type":"code", + "client_id":"$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$", + "state":"fyZiOL9Lf2CeKuNT2JzxiLRDink0uPcd", + "code_challenge":"E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM", + "code_challenge_method":"S256", + "authorization_details":[ + { + "type":"openid_credential", + "format": "vc+sd-jwt", + "credential_definition": { + "type": ["eu.eudiw.pid.it"] + } + } + ], + "redirect_uri":"eudiw://start.wallet.example.org", + "client_assertion_type":"urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation", + +**Step 7:** The PID Provider creates a new request URI representing this new authorization request to be returned to the Wallet Instance. + } + + +.. note:: + + **Federation Check:** PID Provider MUST check that the Wallet Provider is part of the federation and in addition it MUST verify the Wallet Instance Attestation validity by checking its signature and data. + +**Step 7:** The PID Provider creates a new request URI representing a new authorization request and returns it to the Wallet Instance. A non-normative example of the authorization request is represented below: + +.. code-block:: http + + HTTP/1.1 201 Created + Cache-Control: no-cache, no-store + Content-Type: application/json + + { + "request_uri":"urn:ietf:params:oauth:request_uri:bwc4JK-ESC0w8acc191e-Y1LTC2", + "expires_in": 60 + } + + + +**Steps 8-9:** The Wallet Instance sends an authorization request to the PID Provider authorization endpoint. + +.. code-block:: http + + GET /authorize?client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$&request_uri=urn%3Aietf%3Aparams%3Aoauth%3Arequest_uri%3Abwc4JK-ESC0w8acc191e-Y1LTC2 HTTP/1.1 + Host: pid-provider.example.org + + +.. note:: + + **User Authentication and Consent:** The PID Provider performs the User authentication based on the requirements of eIDAS LoA High and asks the User consent for the PID issuance. + +**Steps 10-11:** The PID Provider sends an authorization code to the Wallet Instance. + +.. note:: + + The Wallet Instance redirect URI is a universal or app link registered with the local operating system, so this latter will resolve it and pass the response to the Wallet Instance. + +.. code-block:: http + + HTTP/1.1 302 Found + Location: eudiw://start.wallet.example.org?code=SplxlOBeZQQYbYS6WxSbIA&state=fyZiOL9Lf2CeKuNT2JzxiLRDink0uPcd&iss=https%3A%2F%2Fpid-provider.example.org + + +**Step 14:** The Wallet Instance sends a token request to the PID Provider token endpoint using the authorization *code*, *code_verifier*, *DPoP proof* and *private_key_jwt*. + +.. code-block:: http + + POST /token HTTP/1.1 + Host: pid-provider.example.org + Content-Type: application/x-www-form-urlencoded + DPoP: eyJ0eXAiOiJkcG9wK2p3dCIsImFsZyI6IkVTMjU2IiwiandrIjp7Imt0eSI6Ik + VDIiwieCI6Imw4dEZyaHgtMzR0VjNoUklDUkRZOXpDa0RscEJoRjQyVVFVZldWQVdCR + nMiLCJ5IjoiOVZFNGpmX09rX282NHpiVFRsY3VOSmFqSG10NnY5VERWclUwQ2R2R1JE + QSIsImNydiI6IlAtMjU2In19.eyJqdGkiOiItQndDM0VTYzZhY2MybFRjIiwiaHRtIj + oiUE9TVCIsImh0dSI6Imh0dHBzOi8vc2VydmVyLmV4YW1wbGUuY29tL3Rva2VuIiwia + WF0IjoxNTYyMjYyNjE2fQ.2-GxA6T8lP4vfrg8v-FdWP0A0zdrj8igiMLvqRMUvwnQg + 4PtFLbdLXiOSsX0x7NVY-FNyJK70nfbV37xRZT3Lg + + client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$ + &grant_type=authorization_code + &code=SplxlOBeZQQYbYS6WxSbIA + &redirect_uri=eudiw://start.wallet.example.org + &code_verifier=dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk + &client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer + &client_assertion=eyJhbGciOiJIUzI1NiI + + +**Step 15:** The PID Provider validates the request and if it is successful, it issues an *access token* (bound to the DPoP key) and a fresh *c_nonce*. + +.. code-block:: http + + HTTP/1.1 200 OK + Content-Type: application/json + Cache-Control: no-store + + { + "access_token": "Kz~8mXK1EalYznwH-LC-1fBAo.4Ljp~zsPE_NeO.gxU", + "token_type": "DPoP", + "expires_in": 2677, + "c_nonce": "tZign[...]snFbp", + "c_nonce_expires_in": 86400 + } + + +**Steps 16-18:** The Wallet Instance creates a new key pair to which the new credential shall be bound. Then, it creates a proof of possession with the new key and the *c_nonce* obtained in **Step 15** and it creates a DPoP proof for the request to the PID credential issuance endpoint. + +**Step 19:** The Wallet Instance sends a PID issuance request to the PID Provider credential endpoint. It contains the *access token*, the *DPoP proof*, the *credential type*, the *proof* (proof of possession of the key) and the *format*. + +.. note:: + + **PID Credential Schema and Status registration:** The PID Provider MUST register all the issued PIDs for their later revocation, if needed. + +.. code-block:: http + + POST /credential HTTP/1.1 + Host: pid-provider.example.org + Content-Type: application/x-www-form-urlencoded + Authorization: DPoP Kz~8mXK1EalYznwH-LC-1fBAo.4Ljp~zsPE_NeO.gxU + DPoP: eyJ0eXAiOiJkcG9wK2p3dCIsImFsZyI6IkVTMjU2IiwiandrIjp7Imt0eSI6Ik + VDIiwieCI6Imw4dEZyaHgtMzR0VjNoUklDUkRZOXpDa0RscEJoRjQyVVFVZldWQVdCR + nMiLCJ5IjoiOVZFNGpmX09rX282NHpiVFRsY3VOSmFqSG10NnY5VERWclUwQ2R2R + 1JEQSIsImNydiI6IlAtMjU2In19.eyJqdGkiOiJlMWozVl9iS2ljOC1MQUVCIiwiaHRtIj + oiR0VUIiwiaHR1IjoiaHR0cHM6Ly9yZXNvdXJjZS5leGFtcGxlLm9yZy9wcm90ZWN0Z + WRyZXNvdXJjZSIsImlhdCI6MTU2MjI2MjYxOCwiYXRoIjoiZlVIeU8ycjJaM0RaNTNF + c05yV0JiMHhXWG9hTnk1OUlpS0NBcWtzbVFFbyJ9.2oW9RP35yRqzhrtNP86L-Ey71E + OptxRimPPToA1plemAgR6pxHF8y6-yqyVnmcw6Fy1dqd-jfxSYoMxhAJpLjA + + credential_definition=%7B%22type%22:%5B%22eu.eudiw.pid.it%22%5D%7D + &format=vc+sd-jwt + &proof=%7B%22proof_type%22:%22...-ace0-9c5210e16c32%22%7D + + + +A non-normative example of proof parameter is given below: + +.. code-block:: JSON + + { + "proof_type": "jwt", + "jwt": "eyJraWQiOiJkaWQ6ZXhhbXBsZTplYm …" + } + + +Where the decoded content of the JWT is represented below: + +.. code-block:: JSON + + { + "alg": "ES256", + "typ": "openid4vci-proof+jwt", + "kid": "dB67gL7ck3TFiIAf7N6_7SHvqk0MDYMEQcoGGlkUAAw" + } + +.. code-block:: JSON + + { + "iss": "0b434530-e151-4c40-98b7-74c75a5ef760", + "aud": "https://pid-provider.example.org", + "iat": 1504699136, + "nonce": "tZign...snFbp" + } + + + +**Steps 20-22:** The PID Provider checks the *DPoP proof* and whether the *access token* is valid and suitable for the requested PID. It also checks the proof of possession for the key material the new credential shall be bound to. If all checks succeed, the PID Provider creates a new credential bound to the key material and sends it to the Wallet Instance. The Wallet Instance MUST perform the PID integrity and authenticity checks and if it is successful can proceed with secure storage of the PID credential. + +.. code-block:: http + + HTTP/1.1 200 OK + Content-Type: application/json + Cache-Control: no-store + Pragma: no-cache + + { + "format": "vc+sd-jwt" + "credential" : "LUpixVCWJk0eOt4CXQe1NXK[...]WZwmhmn9OQp6YxX0a2L", + "c_nonce": "fGFF7[...]UkhLa", + "c_nonce_expires_in": 86400 + } + +Pushed Authorization Request Endpoint +------------------------------------- + +Pushed Authorization Request (PAR) Request +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The requests to the PID Provider authorization endpoint MUST be HTTP with method POST, with the following mandatory parameters in the HTTP request message body, encoded in ``application/x-www-form-urlencoded`` format. + +.. _table_http_request_claim: +.. list-table:: PAR http request parameters + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **response_type** + - MUST be set to ``code``. + - :rfc:`6749` + * - **client_id** + - MUST be set to the thumbprint of the ``jwk`` value in the ``cnf`` parameter inside the Wallet Instance Attestation. + - :rfc:`6749` + * - **code_challenge** + - A challenge derived from the **code verifier** that is sent in the authorization request + - :rfc:`7636#section-4.2`. + * - **code_challenge_method** + - A method that was used to derive **code challenge**. It MUST be set to ``S256``. + - :rfc:`7636#section-4.3`. + * - **request** + - It MUST be a signed JWT. The private key corresponding to the public one in the ``cnf`` parameter inside the Wallet Instance Attestation MUST be used for signing the request object. + - `OpenID Connect Core. Section 6 `_ + * - **client_assertion_type** + - It MUST be set to ``urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation``. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_ + * - **client_assertion** + - It MUST be the Wallet Instance Attestation signed JWT. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_ + +The JWT Request Object has the following JOSE header parameters: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **JOSE header** + - **Description** + - **Reference** + * - **alg** + - A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section `Cryptographic Algorithms `_ and MUST NOT be none or an identifier for a symmetric algorithm (MAC). + - :rfc:`7516#section-4.1.1`. + * - **kid** + - Unique identifier of the JWK as base64url-encoded JWK Thumbprint value. + - :rfc:`7638#section_3`. + +.. note:: + The parameter **typ**, if omitted, assumes the implicit value **JWT**. + + +The JWT payload is given by the following parameters: + +.. _table_jwt_request: +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **response_type** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **client_id** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **state** + - Unique session identifier at the client side. This value will be returned to the client in the response, at the end of the authentication. It MUST be a random string with at least 32 alphanumeric characters. + - See `OpenID.Core#AuthRequest `_. + * - **code_challenge** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **code_challenge_method** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **authorization_details** + - JSON Object. It MUST include the following claims: + + - **type**: it MUST be set to ``openid_credential``, + - **format**: it MUST be set to ``vc+sd-jwt``, + - **credential_definition**: JSON Object. It MUST have the **type** claim which MUST be set to ``eu.eudiw.pid.it`` + - See [RAR :rfc:`9396`] and `[OIDC4VCI. Draft 13] `_. + * - **redirect_uri** + - Redirection URI to which the response will be sent. It MUST be an universal or app link registered with the local operating system, so this latter will resolve it and pass the response to the Wallet Instance. + - See `OpenID.Core#AuthRequest `_. + * - **client_assertion_type** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **client_assertion** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + + +Pushed Authorization Request (PAR) Response +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If the verification is successful, the PID Provider MUST provide the response with a *201 HTTP status code*. The following parameters are included as top-level members in the HTTP response message body, using the ``application/json`` media type as defined in [:rfc:`8259`]. + +.. _table_http_response_claim: +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **request_uri** + - The request URI corresponding to the authorization request posted. This URI MUST be a single-use reference to the respective authorization request. It MUST contain some part generated using a cryptographically strong pseudorandom algorithm. The value format MUST be ``urn:ietf:params:oauth:request_uri:`` with ```` as the random part of the URI that references the respective authorization request data. + - [:rfc:`9126`]. + * - **expires_in** + - A JSON number that represents the lifetime of the request URI in seconds as a positive integer. + - [:rfc:`9126`]. + + +Authorization endpoint +---------------------- + +The authorization endpoint is used to interact with the Credential Issuer and obtain an authorization grant. +The authorization server MUST first verify the identity of the resource owner (the User that own it's credentials) +as defined in the :rfc:`6749`. + +Authorization Request +^^^^^^^^^^^^^^^^^^^^^^^ + +The Authorization request is issued by the Wallet Instance Browser, HTTP **POST** or **GET** methods MAY be used. When the method **POST** is used, the parameters MUST be sent using the *Form Serialization*. When the method **GET** is used, the parameters MUST be sent using the *Query String Serialization*. For more details see `OpenID.Core#Serializations `_. + +The mandatory parameters in the HTTP authentication request are specified in the following table. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **client_id** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **request_uri** + - It MUST be set to the same value as obtained by PAR Response. See :ref:`Table of the HTTP PAR Response parameters `. + - [:rfc:`9126`]. + + +Authorization Response +^^^^^^^^^^^^^^^^^^^^^^^ + +The authentication response is returned by the PID Provider authorization endpoint at the end of the authentication flow. + +If the authentication is successful the PID Provider redirects the User by adding the following query parameters as required to the *redirect_uri*. The redirect URI MUST be an universal or app link registered with the local operating system, so this latter is able to resolve its value and delegates the Wallet Instance for the processing. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **code** + - Unique *Authorization Code* that the client submits to the Token Endpoint. + - [:rfc:`6749#section-4.1.2`], `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_ + * - **state** + - The client MUST check the correspondence with the state value in the request object. It is defined as in the :ref:`Table of the JWT Request parameters `. + - [:rfc:`6749#section-4.1.2`]. + * - **iss** + - Unique identifier of the PID PRovider who created the Authentication Response. The Wallet Instance MUST validate this parameter. + - `OAuth 2.0 Authorization Server Issuer Identifier in Authorization Response `_, `[RFC7519, Section 4.1.1] `_. + + + +Token endpoint +-------------- + +The token endpoint is used by the Wallet Instance +to obtain an access token by presenting its authorization grant, as +defined in :rfc:`6749`. + +Token Request +^^^^^^^^^^^^^^^ + +The request to the PID Provider Token endpoint MUST be an HTTP request with method POST, where its body message is encoded in ``application/x-www-form-urlencoded`` format. The Wallet Instance sends the Token endpoint request with *private_key_jwt* authentication and a *DPoP proof* containing the mandatory parameters, defined in the table below. + +The Token endpoint MUST accept and validate the DPoP proof sent in the DPoP HTTP header. The Token endpoint MUST validate the DPoP proof based on the steps defined in Section 4.3 of the DPoP specifications `[DPoP-draft16] `_. Thus, this mitigates the misuse of leaked or stolen access tokens at the credential endpoint. If the DPoP proof is invalid, the Token endpoint returns an error response, according to Section 5.2 of [:rfc:`6749`] with ``invalid_dpop_proof`` as the value of the error parameter. + + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **client_id** + - It MUST be set as in the :ref:`Table of the HTTP parameters `. + - See :ref:`Table of the HTTP parameters `. + * - **grant_type** + - It MUST be set to ``authorization_code``. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_. + * - **code** + - Authorization code returned in the Authentication Response. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_. + * - **redirect_uri** + - It MUST be set as in the request object :ref:`Table of the JWT Request parameters `. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_. + * - **code_verifier** + - Verification code of the **code_challenge**. + - `Proof Key for Code Exchange by OAuth Public Clients `_. + * - **client_assertion_type** + - It MUST be set to ``urn:ietf:params:oauth:client-assertion-type:jwt-bearer``. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_. + * - **client_assertion** + - JWT signed with the Wallet Instance private key containing the following parameters: + + - **iss**: This MUST contain the client_id. + - **sub**: This MUST contain the iss. + - **aud**: URL of the PID Provider Token Endpoint. + - **iat**: UNIX Timestamp with the time of the JWT issuance, coded as NumericDate as indicated in RFC 7519. + - **exp**: UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in RFC 7519. + - **jti**: Unique Identifier for this authentication request, generated by the client. E.g., uuid4 format. + - `Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants `_. + +A **DPoP proof** is included in an HTTP request using the ``DPoP`` header parameter containing a DPoP JWS. + +The JOSE header of a **DPoP JWT** MUST contain at least the following parameters: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **JOSE header** + - **Description** + - **Reference** + * - **typ** + - It MUST be equal to ``dpop+jwt``. + - [:rfc:`7515`] and [:rfc:`8725`. Section 3.11]. + * - **alg** + - A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section :ref:`Cryptographic Algorithms ` and MUST NOT be none or an identifier for a symmetric algorithm (MAC). + - [:rfc:`7515`]. + * - **jwk** + - representing the public key chosen by the client, in JSON Web Key (JWK) [RFC7517] format, as defined in Section 4.1.3 of [RFC7515]. It MUST NOT contain a private key. + - [:rfc:`7517`] and [:rfc:`7515`]. + + +The payload of a **DPoP proof** MUST contain at least the following claims: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **jti** + - Unique identifier for the DPoP proof JWT. The value MUST be assigned in a *UUID v4* string format according to [:rfc:`4122`]. + - [:rfc:`7519`. Section 4.1.7]. + * - **htm** + - The value of the HTTP method of the request to which the JWT is attached. + - [:rfc:`9110`. Section 9.1]. + * - **htu** + - The HTTP target URI, without query and fragment parts, of the request to which the JWT is attached. + - [:rfc:`9110`. Section 7.1]. + * - **iat** + - UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in :rfc:`7519`. + - [:rfc:`7519`. Section 4.1.6]. + + +Token Response +^^^^^^^^^^^^^^^ + +Token endpoint response MUST contain the following mandatory claims. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **access_token** + - The *DPoP-bound Access Token*, in signed JWT format, allows accessing the Credential Endpoint for obtaining the PID. + - :rfc:`6749`. + * - **token_type** + - Type of *Access Token* returned. It MUST be equal to ``DPoP``. + - :rfc:`6749`. + * - **expires_in** + - Expiry time of the *Access Token* in seconds. + - :rfc:`6749`. + * - **c_nonce** + - JSON string containing a nonce to be used to create a *proof of possession* of key material when requesting a Credential. + - `[OIDC4VCI. Draft 13] `_. + * - **c_nonce_expires_in** + - JSON integer, it represents the lifetime in seconds of the **c_nonce**. + - `[OIDC4VCI. Draft 13] `_. + +Access Token +^^^^^^^^^^^^ + +A DPoP-bound Access Token is provided by the PID Provider Token endpoint as a result of a successful token request. The Access Token is encoded in JWT format, according to [:rfc:`7519`]. The Access Token MUST have at least the following mandatory claims and it MUST be bound to the public key that is provided by the DPoP proof. This binding can be accomplished based on the methodology defined in Section 6 of `[DPoP-draft16] `_. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **iss** + - It MUST be an HTTPS URL that uniquely identifies the PID Provider. The client MUST verify that this value matches the PID Provider where it has requested the credential. + - [:rfc:`9068`], `[RFC7519, Section 4.1.1] `_. + * - **sub** + - It identifies the subject of the JWT. It MUST be of type *pairwise*. + - [:rfc:`9068`], [:rfc:`7519`] and [`OpenID.Core#SubjectIDTypes `_]. + * - **client_id** + - It MUST contain a HTTPS URL that uniquely identifies the RP. + - [:rfc:`9068`]. + * - **aud** + - It MUST match the value *client_id*. The RP MUST verify that this value matches its client ID. + - [:rfc:`9068`]. + * - **iat** + - UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in :rfc:`7519`. + - [:rfc:`9068`], [:rfc:`7519`. Section 4.1.6]. + * - **exp** + - UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in :rfc:`7519`. + - [:rfc:`9068`], [:rfc:`7519`]. + * - **jti** + - It MUST be a String in *uuid4* format. Unique Token ID identifier that the RP MAY use to prevent reuse by rejecting the Token ID if already processed. + - [:rfc:`9068`], [:rfc:`7519`]. + * - **nonce** + - It MUST be a random string of at least 32 alphanumeric characters. The value type of this claim MUST be a string, where the value is a **c_nonce** provided by the PID Provider. + - [`OpenID.Core#AuthRequest `_]. + * - **jkt** + - JWK SHA-256 Thumbprint Confirmation Method. The value of the jkt member MUST be the base64url encoding (as defined in [RFC7515]) of the JWK SHA-256 Thumbprint of the DPoP public key (in JWK format) to which the access token is bound. + - [`DPoP-draft16 `_. Section 6.1] and [:rfc:`7638`]. + + + +Credential endpoint +------------------- + +The Credential Endpoint issues a Credential as approved by the End-User upon presentation of a valid Access Token representing this approval, as defined in `OPENID4VCI`_. + +Credential Request +^^^^^^^^^^^^^^^^^^^ + +The Wallet Instance may request a PID to the PID Provider Credential endpoint with a HTTP POST request encoded in *application/json* format, where the following parameters in the message body MUST be present. + +The Credential endpoint MUST accept and validate the DPoP proof sent in the DPoP HTTP header based on the steps defined in Section 4.3 of `[DPoP-draft16] `_. If the DPoP proof is invalid, the Credential endpoint returns an error response per Section 5.2 of [:rfc:`6749`] with `invalid_dpop_proof` as the value of the error parameter. + +.. warning:: + The Wallet Instance MUST create a **new DPoP proof** for the Credential request and MUST NOT use the previously created proof for the Token Endpoint. + + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **credential_definition** + - JSON object containing the detailed description of the credential type. It MUST have at least the **type** sub claims which is a JSON array containing the type values the Wallet shall request in the subsequent Credential Request. It MUST be `eu.eudiw.pid.it`. + - `[OIDC4VCI. Draft 13] `_. + * - **format** + - Format of the Credential to be issued. This MUST be `vc+sd-jwt`. + - `[OIDC4VCI. Draft 13] `_. + * - **proof** + - JSON object containing proof of possession of the key material the issued Credential shall be bound to. The proof object MUST contain the following mandatory claims: + + - **proof_type**: JSON string denoting the proof type. It MUST be `jwt`. + - **jwt**: the JWT used as proof of possession. + - `[OIDC4VCI. Draft 13] `_. + +.. note:: + + If the **format** value is `mso_mdoc`, the credential request MUST contain the doctype claim which is a JSON string identifying the PID type according to `EIDAS-ARF`_ . See Appendix E.2. of `[OIDC4VCI. Draft 13] `_ for more details. + + +The JWT proof type MUST contain the following parameters for the JOSE header and the JWT body: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **JOSE Header** + - **Description** + - **Reference** + * - **alg** + - A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section :ref:`Cryptographic Algorithms ` and MUST NOT be ``none`` or an identifier for a symmetric algorithm (MAC). + - `[OIDC4VCI. Draft 13] `_, [:rfc:`7515`], [:rfc:`7517`]. + * - **typ** + - MUST be `openid4vci-proof+jwt`. + - `[OIDC4VCI. Draft 13] `_, [:rfc:`7515`], [:rfc:`7517`]. + * - **kid** + - It MUST contain the identifier of the key material the PID shall be bound to. + - `[OIDC4VCI. Draft 13] `_, [:rfc:`7515`], [:rfc:`7517`]. + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **iss** + - The value of this claim MUST be the **client_id** of the Wallet Instance. + - `[OIDC4VCI. Draft 13] `_, `[RFC7519, Section 4.1.1] `_. + * - **aud** + - The value of this claim MUST be the identifier URL of the PID Provider. + - `[OIDC4VCI. Draft 13] `_. + * - **iat** + - UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in :rfc:`7519`. + - `[OIDC4VCI. Draft 13] `_, [:rfc:`7519`. Section 4.1.6]. + * - **nonce** + - The value type of this claim MUST be a string, where the value is a **c_nonce** provided by the PID Provider in the Token response. + - `[OIDC4VCI. Draft 13] `_. + + + +Credential Response +^^^^^^^^^^^^^^^^^^^^ + +Credential Response to the Wallet Instance MUST be sent using `application/json` media type. The response MUST contain the following mandatory claims: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **format** + - Format of the Credential to be issued. This MUST be `vc+sd-jwt`. + - `[OIDC4VCI. Draft 13] `_. + * - **credential** + - Contains the issued PID. It MUST be an SD-JWT JSON Object (see Section :ref:`PID Data Model `). + - Appendix E in `[OIDC4VCI. Draft 13] `_. + * - **c_nonce** + - JSON string containing a nonce to be used to create a *proof of possession* of key material when requesting a further credential or for renewal credential. + - `[OIDC4VCI. Draft 13] `_. + * - **c_nonce_expires_in** + - JSON integer corresponding to the **c_nonce** lifetime in seconds. + - `[OIDC4VCI. Draft 13] `_. + +.. note:: + + If the **format** value is `mso_mdoc`, the **credential** value MUST be a base64url-encoded JSON string according to Appendix E of `[OIDC4VCI. Draft 13] `_. + + +Entity Configuration Credential Issuer +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Below a non-normative example of an Entity Configuration containing an `openid_credential_issuer` metadata. + +.. code-block:: http + + HTTP/1.1 200 OK + Content-Type: application/entity-statement+jwt + + { + + "alg": "RS256", + "kid": "FANFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs", + "typ": "entity-statement+jwt" + + } + . + { + "exp": "1649610249", + "iat": "1649437449", + "iss": "https://pid-provider.example.org", + "sub": "https://pid-provider.example.org", + "jwks": { + "keys": [{ + "kty": "RSA", + "use": "sig", + "n": "1Ta-sE …", + "e": "AQAB", + "kid": "FANFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs" + }] + }, + "metadata": { + "openid_credential_issuer": { + "credential_issuer": "https://pid-provider.example.org", + "authorization_endpoint": "https://pid-provider.example.org/connect/authorize", + "token_endpoint": "https://pid-provider.example.org/connect/token", + "pushed_authorization_request_endpoint": "https://pid-provider.example.org/connect/par", + "dpop_signing_alg_values_supported": ["RS256", "RS512", "ES256", "ES512"], + "credential_endpoint": "https://pid-provider.example.org/credential", + "credentials_supported": { + "eu.eudiw.pid.it": { + "format": "vc+sd-jwt", + "cryptographic_binding_methods_supported": ["jwk"], + "cryptographic_suites_supported": ["RS256", "RS512", "ES256", "ES512"], + "display": [{ + "name": "PID Provider Italiano di esempio", + "locale": "it-IT", + "logo": { + "url": "https://pid-provider example.org/public/logo.svg", + "alt_text": "logo di questo PID Provider" + }, + "background_color": "#12107c", + "text_color": "#FFFFFF" + }, + { + "name": "Example Italian PID Provider", + "locale": "en-US", + "logo": { + "url": "https://pid-provider.example.org/public/logo.svg", + "alt_text": "The logo of this PID Provider" + }, + "background_color": "#12107c", + "text_color": "#FFFFFF" + } + ], + "credential_definition": { + "type": ["PIDCredential"], + "credentialSubject": { + "given_name": { + "mandatory": true, + "display": [{ + "name": "Current First Name", + "locale": "en-US" + }, + { + "name": "Nome", + "locale": "it-IT" + } + ] + }, + "family_name": { + "mandatory": true, + "display": [{ + "name": "Current Family Name", + "locale": "en-US" + }, + { + "name": "Cognome", + "locale": "it-IT" + } + ] + }, + "birthdate": { + "mandatory": true, + "display": [{ + "name": "Date of Birth", + "locale": "en-US" + }, + { + "name": "Data di Nascita", + "locale": "it-IT" + } + ] + }, + "place_of_birth": { + "mandatory": true, + "display": [{ + "name": "Place of Birth", + "locale": "en-US" + }, + { + "name": "Luogo di Nascita", + "locale": "it-IT" + } + ] + }, + "unique_id": { + "mandatory": true, + "display": [{ + "name": "Unique Identifier", + "locale": "en-US" + }, + { + "name": "Identificativo univoco", + "locale": "it-IT" + } + ] + }, + "tax_id_number": { + "mandatory": true, + "display": [{ + "name": "Tax Id Number", + "locale": "en-US" + }, + { + "name": "Codice Fiscale", + "locale": "it-IT" + } + ] + } + } + } + } + } + }, + + "federation_entity": { + "organization_name": "Pid Provider Organization Example", + "homepage_uri": "https://pid-provider.example.org", + "policy_uri": "https://pid-provider.example.org/privacy_policy", + "tos_uri": "https://pid-provider.example.org/info_policy", + "logo_uri": "https://pid-provider.example.org/logo.svg" + }, + + "openid_relying_party": { + + } + } + } diff --git a/mdoccbor/en/_sources/pseudonyms.rst.txt b/mdoccbor/en/_sources/pseudonyms.rst.txt new file mode 100644 index 000000000..7b20567f9 --- /dev/null +++ b/mdoccbor/en/_sources/pseudonyms.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _pseudonyms.rst: + +pseudonyms.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/en/_sources/relying-party-solution.rst.txt b/mdoccbor/en/_sources/relying-party-solution.rst.txt new file mode 100644 index 000000000..9e01e00ba --- /dev/null +++ b/mdoccbor/en/_sources/relying-party-solution.rst.txt @@ -0,0 +1,741 @@ +.. include:: ../common/common_definitions.rst + +.. _Wallet Instance Attestation: wallet-instance-attestation.html +.. _Trust Model: trust.html + +.. _relying-party-solution: + +Relying Party Solution ++++++++++++++++++++++++ + +This section describes how a Relying Party may ask to a Wallet Instance the presentation of the PID and the (Q)EAAs, according the following specifications: + +- `OpenID for Verifiable Presentations - draft 19 `_. +- `Draft: OAuth 2.0 Demonstrating Proof-of-Possession at the Application Layer (DPoP) `_. + + +In this section the following flows are described: + +- **Same Device Flow**, where the Verifier and the Wallet Instance acts in the same device. +- **Remote Cross Device Flow**, where the Verifier and the Wallet Instance acts in different devices and the Verifier is a remote Relying Party. + +The flows are analyzed in this chapter, taking into account security and privacy considerations. + +.. note:: + Relying Party and Verifier are the same entity. + + +Same Device Flow +---------------- +In the **Same Device Authorization Flow**, the User interacts with a Verifier that resides in the same device of the Wallet Instance. +This scenario utilizes HTTP redirects to finalize the authorization phase and obtain Verifiable Presentation(s). + +.. note:: + + This flow will be described more in detail in future releases of this documentation. + + +Remote Cross Device Flow +--------------------------- +In the **Cross Device Authorization Flow**, the User interacts with a remote Relying Party. +This scenario requests the Verifier to show a QR Code which the User frames with their Wallet Instance. + +Once the Relying Party authentication is performed by the Wallet Instance, the User gives the consent for the release of the personal data, in the form of a Verifiable Presentation. + + +.. image:: ../../images/cross_device_auth_seq_diagram.svg + :align: center + :target: //www.plantuml.com/plantuml/png/ZPF1Rjf048Rl-nIZd5gfUG4agaGqgcXLuG99Bf6gnJlWRSmidPsrIv--QpjhOn1IRlZtDpyp_upll6YMi2-L3k8ex3V8IXsYPdDxq2Hmy-YHRq1x26FzMPSb2imfMb2EBLAFaIMMHqixoA9uR84AbPfEuJv8WHH1BTOHm7Ig0jn-ZgydiCG_0Rr0naum5pHHyIvmZahdOYijsDXKc0fcZ55hFHtRVwrbShd4VYvXvaoghoUmAbmTrLOqUFeN_UzQgJhHkQRaqOiFVuKZtBV-k9o_q9RTVY1J5ryVrZsssFp6MFL2c-DfQHHgAmMS1Gpt8f5enuk8zl0bSnc8UqMwaanNSM6qvl2MJDV-k9zn26d6v3LQQUVK8q_8TdiyGtwWQAD53vGkRHGGlZslOMLtf2KmNhnENQ61f-o3_zW1OUXswnXoHnv9Xl632ccgcQEjvJsQqu72i8biiLfV78q_D8unNcXNK1r-lIFV6QD14gjBc7iVa5F22Rmsym1ax7Bq7gH0o7kxI-1AmugS8BWAUGGV2kqHE0Pc6QEvcyJ9Rg5AtLWItB6LuoVGwOlidiX0uKg331jBfjccstPxQ0oGV624U5QT1Ze-bPPUqRIvTPTWaTy5vu4PIS2ZzyrGv2Z7yyfPKydzITWu7AD7EhtZnNTbyFIZFJlbEoGJzkL_ + +.. list-table:: + :widths: 50 50 + :header-rows: 1 + + * - **Id** + - **Description** + * - **1** + - The User asks for access to a protected resource, the Relying Party redirects the User to a discovery page in which the User selects the *Login with the Wallet* button. The Authorization flow starts. + * - **2** + - The Relying Party creates an Authorization Request which contains the scopes of the request. + * - **3** + - The Relying Party inserts the reference URI of the *request_uri* into a QR Code. + * - **4** + - The QR Code is shown to the User that frames it. + * - **5** and **6** + - The Wallet Instance decodes the QR Code and extracts the Request URI from the payload of the QR Code. + * - **7** + - The Wallet Instance requests the content of the Authorization Request by invoking the Request URI, passing an Authorization DPoP HTTP Header containing the Wallet Instance Attestation and the DPoP proof HTTP Header. + * - **8** + - The Relying Party attests the trust to the Wallet Instance using the Wallet Instance Attestation and verifies its capabilities. + * - **9** + - The Relying Party issues a signed Request Object, returning it as response. + * - **10** + - The Wallet Instance verifies Request Object JWS. + * - **11** + - The Wallet Instance attests the trust to the Relying Party by verifying the ``trust_chain``. + * - **12** and **13** + - The Wallet Instance verifies the signature of the request and processes the Relying Party metadata to attests its capabilities and allowed scopes, attesting which Verifiable Credentials and personal attributes the Relying Party is granted to request. + * - **14** + - The Wallet Instance requests the User's consent for the release of the credentials. + * - **15** + - The User authorizes and consents the presentation of their credentials, by selecting/deselecting the personal data to release. + * - **16** + - The Wallet Instance provides the Authorization Response to the Relying Party. + * - **17** + - The Relying Party attests the Credential Issuer trust. + * - **18** + - The Relying Party verifies the signature of the Authorization Response JWS. + * - **19** + - The Relying Party verifies the Authorization Response, performs checks for integrity, revocation and proof of possession of the presented credentials. + * - **20** + - The Relying Party notifies the Wallet Instance that the operation ends successfully. + +Authorization Request Details +----------------------------- +In a Cross Device Flow, a QR Code is shown by the Relying Party to the User in order to issue the Authorization Request. + +The User frames the QR Code using the Wallet Instance, then grants the consent to release their attributes to the RP. + +The payload of the QR Code is a **Base64 encoded string** based on the following format: + +.. code-block:: javascript + + eudiw://authorize?client_id=`$client_id`&request_uri=`$request_uri` + + +Where: + +.. list-table:: + :widths: 25 50 + :header-rows: 1 + + * - **Name** + - **Description** + * - **client_id** + - Client unique identifier of the Verifier. + * - **request_uri** + - The Verifier request URI used by the Wallet Instance to retrieve the Request Object. + +.. note:: + The *error correction level* chosen for the QR Code MUST be Q (Quartily - up to 25%), since it offers a good balance between error correction capability and data density/space. This level of quality and error correction allow the QR Code to remain readable even if it is damaged or partially obscured. + + +Below is a non-normative example of a QR Code issued by the Relying Party: + +.. image:: ../../images/verifier_qr_code.svg + :align: center + + +Below is a non-normative example of the QR Code raw payload: + +.. code-block:: text + + ZXVkaXc6Ly9hdXRob3JpemU/Y2xpZW50X2lkPWh0dHBzOi8vdmVyaWZpZXIuZXhhbXBsZS5vcmcmcmVxdWVzdF91cmk9aHR0cHM6Ly92ZXJpZmllci5leGFtcGxlLm9yZy9yZXF1ZXN0X3VyaQ== + +Below follows its Base64 decoded content: + +.. code-block:: text + + eudiw://authorize?client_id=https://verifier.example.org&request_uri=https://verifier.example.org/request_uri + + + +Request Object Details +---------------------- +The following actions are made by the Wallet Instance: + +- scan the QR Code; +- extract from the payload the ``request_uri`` parameter; +- invoke the retrieved URI; +- provide in the request its Wallet instance Attestation, using `DPOP`_ to proof the legitimate possession of it; +- obtain the signed request object from the Relying Party. + +Below a non-normative example of HTTP request made by the Wallet Instance to the Relying Party to provide the Wallet Instance Attestion and retrieve the signed request object: + +.. code-block:: javascript + + GET /request_uri HTTP/1.1 + HOST: verifier.example.org + Authorization: DPoP $WalletInstanceAttestation + DPoP: $WalletInstanceAttestationProofOfPossession + + +More detailed information about the `Wallet Instance Attestation`_ is available in its dedicated section of this technical specification. + +To attest an high level of security, the Wallet Instance submits its Wallet Instance Attestation to the Relying Party, disclosing its capabilities and the security level attested by its Wallet Provider. + +Herein the description of the parameters defined in *OAuth 2.0 Demonstration of Proof-of-Possession at the Application Layer (DPoP)*. + +.. note:: + The use of DPoP doesn't represent any breaking changes to Wallet Instances that do not support DPoP to a *request_uri* endpoint, since it is assumed to use it as an additional security mechanisms for the attestation of the status of the Wallet Instance. + + If the DPoP HTTP Header is missing, the Relying Party would assume the lowest attestable level of security to the Wallet Instance it is interacting with. + +DPoP HTTP Header +^^^^^^^^^^^^^^^^ + +A **DPoP proof** is included in the request using the HTTP Header ``DPoP`` and containing a JWS. The JWS MUST be signed with the public key made available in the Wallet Instance Attestation (``Authorization: DPoP``). + + +The JOSE header of the **DPoP JWS** MUST contain at least the following parameters: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **JOSE header** + - **Description** + - **Reference** + * - **typ** + - It MUST be equal to ``dpop+jwt``. + - [:rfc:`7515`] and [:rfc:`8725`. Section 3.11]. + * - **alg** + - A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section *Cryptographic Algorithms* `* and MUST NOT be none or an identifier for a symmetric algorithm (MAC). + - [:rfc:`7515`] + * - **jwk** + - representing the public key chosen by the client, in JSON Web Key (JWK) [RFC7517] format, as defined in Section 4.1.3 of [RFC7515]. It MUST NOT contain a private key. + - [:rfc:`7517`] and [:rfc:`7515`] + + +The payload of a **DPoP proof** MUST contain at least the following claims: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Reference** + * - **jti** + - Unique identifier for the DPoP proof JWT. The value MUST be assigned in a *UUID v4* string format according to [:rfc:`4122`]. + - [:rfc:`7519`. Section 4.1.7]. + * - **htm** + - The value of the HTTP method of the request to which the JWT is attached. + - [:rfc:`9110`. Section 9.1]. + * - **htu** + - The HTTP target URI, without query and fragment parts, of the request to which the JWS is attached. + - [:rfc:`9110`. Section 7.1]. + * - **iat** + - UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in :rfc:`7519`. + - [:rfc:`7519`. Section 4.1.6]. + * - **ath** + - Hash of the Wallet Instance Attestation. + - [`DPOP`_. Section 4.2]. + + +Therein a non-normative example of the DPoP decoded content: + +.. code-block:: text + + { + "typ": "dpop+jwt", + "alg": "ES256", + "jwk": { + "kty": "EC", + "x": "l8tFrhx-34tV3hRICRDY9zCkDlpBhF42UQUfWVAWBFs", + "y": "9VE4jf_Ok_o64zbTTlcuNJajHmt6v9TDVrU0CdvGRDA", + "crv": "P-256" + } + } + . + { + "jti": "f47c96a1-f928-4768-aa30-ef32dc78aa69", + "htm": "GET", + "htu": "https://verifier.example.org/request_uri", + "iat": 1562262616, + "ath": "fUHyO2r2Z3DZ53EsNrWBb0xWXoaNy59IiKCAqksmQEo" + } + + +Request URI response +-------------------- + +The Relying Party issues a signed request object, where a non-normative example in the form of decoded header and payload is shown below: + +.. code-block:: text + + { + "alg": "ES256", + "typ": "JWT", + "kid": "e0bbf2f1-8c3a-4eab-a8ac-2e8f34db8a47", + "trust_chain": [ + "MIICajCCAdOgAwIBAgIC...awz", + "MIICajCCAdOgAwIBAgIC...2w3", + "MIICajCCAdOgAwIBAgIC...sf2" + ] + } + . + { + "scope": "eu.europa.ec.eudiw.pid.it.1 pid-sd-jwt:unique_id+given_name+family_name", + "client_id_scheme": "entity_id", + "client_id": "https://verifier.example.org", + "response_mode": "direct_post.jwt", + "response_type": "vp_token", + "response_uri": "https://verifier.example.org/callback", + "nonce": "2c128e4d-fc91-4cd3-86b8-18bdea0988cb", + "state": "3be39b69-6ac1-41aa-921b-3e6c07ddcb03", + "iss": "https://verifier.example.org", + "iat": 1672418465, + "exp": 1672422065 + } + +The JWS header parameters are described herein: + +.. list-table:: + :widths: 25 50 + :header-rows: 1 + + * - **Name** + - **Description** + * - **alg** + - Algorithm used to sign the JWT, according to [:rfc:`7516#section-4.1.1`]. It MUST be one of the supported algorithms in Section *Cryptographic Algorithms* and MUST NOT be none or an identifier for a symmetric algorithm (MAC). + * - **typ** + - Media Type of the JWT, as defined in [:rfc:`7519`]. + * - **kid** + - Key ID of the public key needed to verify the JWS signature, as defined in [:rfc:`7517`]. Required if ``trust_chain`` is used. + * - **trust_chain** + - Sequence of Entity Statements that composes a Trust Chain related to the Relying Party, as defined in `OIDC-FED`_ Section *3.2.1. Trust Chain Header Parameter*. + + +The JWS payload parameters are described herein: + +.. list-table:: + :widths: 25 50 + :header-rows: 1 + + * - **Name** + - **Description** + * - **scope** + - Aliases for well-defined Presentation Definitions IDs. It will be used to identify which required credentials and User attributes are requested by the Relying Party. + * - **client_id_scheme** + - String identifying the scheme of the value in the ``client_id``. It MUST be ``entity_id``. + * - **client_id** + - Unique Identifier of the Relying Party. + * - **response_mode** + - Used to ask the Wallet Instance in which way it has to send the response. It MUST be ``direct_post.jwt`` + * - **response_type** + - The supported response type, MUST be set to``vp_token``. + * - **response_uri** + - The Response URI to which the Wallet Instance MUST send the Authorization Response using an HTTPs POST. + * - **nonce** + - Fresh cryptographically random number with sufficient entropy used for security reason, which length MUST be at least 32 digits. + * - **state** + - Unique identifier of the Authorization Request. + * - **iss** + - The entity that issued the JWT. It will be populated with the Verifier URI + * - **iat** + - The NumericDate representing the time at which the JWT was issued + * - **exp** + - The NumericDate representing the expiration time on or after which the JWT MUST NOT be accepted for processing. + + +.. warning:: + + The usage of ``scope`` instead of ``presentation_definition`` is still under discussion and needs better refinements. + +Here a non-normative example of ``presentation_definition``: + + +.. code-block:: JSON + + { + "presentation_definition": { + "id": "pid-sd-jwt:unique_id+given_name+family_name", + "input_descriptors": [ + { + "id": "eu.europa.ec.eudiw.pid.it.1", + "name": "Person Identification Data", + "purpose": "User authentication", + "format": "vc+sd-jwt", + "constraints": { + "fields": [ + { + "path": [ + "$.credentialSubject.unique_id", + "$.credentialSubject.given_name", + "$.credentialSubject.family_name", + ] + } + ], + "limit_discolusre": "preferred" + } + } + ] + } + } + + + +.. note:: + + The following parameters, even if defined in [OID4VP], are not mentioned in the previous non-normative example, since their usage is conditional and may change in future release of this documentation. + + - ``presentation_definition``: JSON object according to `Presentation Exchange `_. This parameter MUST not be present when ``presentation_definition_uri`` or ``scope`` are present. + - ``presentation_definition_uri``: string containing an HTTPS URL pointing to a resource where a Presentation Definition JSON object can be retrieved. This parameter MUST be present when ``presentation_definition parameter`` or a ``scope`` value representing a Presentation Definition is not present. + - ``client_metadata``: A JSON object containing the Verifier metadata values. The ``client_metadata`` parameter MUST NOT be present when ``client_id_scheme`` is ``entity_id``. The ``client_metadata`` is taken from ``trust_chain``. + - ``client_metadata_uri``: string containing an HTTPS URL pointing to a resource where a JSON object with the Verifier metadata can be retrieved. The ``client_metadata_uri`` parameter MUST NOT be present when ``client_id_scheme`` is ``entity_id``. + - ``redirect_uri``: the redirect URI to which the Wallet Instance MUST redirect the Authorization Response. This parameter MUST not be present when ``response_uri`` is present. + + +Authorization Response Details +------------------------------ +After getting the User authorization and consent for the presentation of the credentials, the Wallet sends the Authorization Response to the Relying Party ``response_uri`` endpoint, the content should be encrypted according `OPENID4VP`_ Section 6.3, using the Relying Party public key. + +.. note:: + **Why the response is encrypted?** + + The response sent from the Wallet Instance to the Relying Party is encrypted + to prevent a technique called `SSL split attack `_, that could be enabled by malicious app installed locally by Users,that intecepts the network traffic, or be present by-design in network environments where a next-generation firewalls or other security devices may reduce the privacy of the Users. + +Below a non-normative example of the request: + +.. code-block:: http + + POST /callback HTTP/1.1 + HOST: verifier.example.org + Content-Type: application/x-www-form-urlencoded + + response=eyJhbGciOiJFUzI1NiIs...9t2LQ + + +Below is a non-normative example of the decrypted JSON ``response`` content: + +.. code-block:: JSON + + { + "state": "3be39b69-6ac1-41aa-921b-3e6c07ddcb03", + "vp_token": "eyJhbGciOiJFUzI1NiIs...PT0iXX0", + "presentation_submission": { + "definition_id": "32f54163-7166-48f1-93d8-ff217bdb0653", + "id": "04a98be3-7fb0-4cf5-af9a-31579c8b0e7d", + "descriptor_map": [ + { + "id": "eu.europa.ec.eudiw.pid.it.1:unique_id", + "path": "$.vp_token.verified_claims.claims._sd[0]", + "format": "vc+sd-jwt" + }, + { + "id": "eu.europa.ec.eudiw.pid.it.1:given_name", + "path": "$.vp_token.verified_claims.claims._sd[1]", + "format": "vc+sd-jwt" + } + ] + } + } + +Where the following parameters are used: + +.. list-table:: + :widths: 25 50 + :header-rows: 1 + + * - **Name** + - **Description** + * - **vp_token** + - JWS containing a single (or an array) of Verifiable Presentation(s) in the form of JWS. + * - **presentation_submission** + - JSON Object contains mappings between the requested Verifiable Credentials and where to find them within the returned VP Token. + * - **state** + - Unique identifier provided by the Verifier inside the Authorization Request + + +Below is a non-normative example of the ``vp_token`` decoded content, represented in the form of JWS header and payload, separated by a period: + +.. code-block:: text + + { + "alg": "ES256", + "typ": "JWT", + "kid": "e0bbf2f1-8c3a-4eab-a8ac-2e8f34db8a47" + } + . + { + "iss": "https://wallet-provider.example.org/instance/vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c", + "jti": "3978344f-8596-4c3a-a978-8fcaba3903c5", + "aud": "https://verifier.example.org/callback", + "iat": 1541493724, + "exp": 1573029723, + "nonce": "n-0S6_WzA2Mj", + "vp": "~~~...~" + } + +Relying Party Entity Configuration +--------------------------------------------- +According to the `Trust Model`_ section, the Verifier is a Federation Entity and MUST expose a .well-known endpoint containing its Entity Configuration. + +Below a non-normative example of the request made by the Wallet Instance to the *openid-federation* .well-known endpoint to obtain the Relying Party Entity Configuration: + +.. code-block:: http + + GET /.well-known/openid-federation HTTP/1.1 + HOST: verifier.example.org + + +Below is a non-normative response example: + +.. code-block:: text + + { + "alg": "RS256", + "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs", + "typ": "entity-statement+jwt" + } + . + { + "exp": 1649590602, + "iat": 1649417862, + "iss": "https://rp.example.it", + "sub": "https://rp.example.it", + "jwks": { + "keys": [ + { + "kty": "RSA", + "n": "5s4qi …", + "e": "AQAB", + "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs" + } + ] + }, + "metadata": { + "wallet_verifier": { + "application_type": "web", + "client_id": "https://rp.example.it", + "client_name": "Name of an example organization", + "jwks": { + "keys": [ + { + "kty": "RSA", + "use": "sig", + "n": "1Ta-sE …", + "e": "AQAB", + "kid": "YhNFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs", + "x5c": [ "..." ] + } + ] + }, + + "contacts": [ + "ops@verifier.example.org" + ], + + "request_uris": [ + "https://verifier.example.org/request_uri" + ], + "redirect_uris": [ + "https://verifier.example.org/callback" + ], + + "default_acr_values": [ + "https://www.spid.gov.it/SpidL2", + "https://www.spid.gov.it/SpidL3" + ], + + "vp_formats": { + "jwt_vp_json": { + "alg": [ + "EdDSA", + "ES256K" + ] + } + }, + "presentation_definitions": [ + { + "id": "pid-sd-jwt:unique_id+given_name+family_name", + "input_descriptors": [ + { + "id": "sd-jwt", + "format": { + "jwt": { + "alg": [ + "EdDSA", + "ES256" + ] + }, + "constraints": { + "limit_disclosure": "required", + "fields": [ + { + "path": [ + "$.sd-jwt.type" + ], + "filter": { + "type": "string", + "const": "PersonIdentificationData" + } + }, + { + "path": [ + "$.sd-jwt.cnf" + ], + "filter": { + "type": "object", + } + }, + { + "path": [ + "$.sd-jwt.family_name" + ], + "intent_to_retain": "true" + }, + { + "path": [ + "$.sd-jwt.given_name" + ], + "intent_to_retain": "true" + }, + { + "path": [ + "$.sd-jwt.unique_id" + ], + "intent_to_retain": "true" + } + ] + } + } + } + ] + }, + { + "id": "mDL-sample-req", + "input_descriptors": [ + { + "id": "mDL", + "format": { + "mso_mdoc": { + "alg": [ + "EdDSA", + "ES256" + ] + }, + "constraints": { + "limit_disclosure": "required", + "fields": [ + { + "path": [ + "$.mdoc.doctype" + ], + "filter": { + "type": "string", + "const": "org.iso.18013.5.1.mDL" + } + }, + { + "path": [ + "$.mdoc.namespace" + ], + "filter": { + "type": "string", + "const": "org.iso.18013.5.1" + } + }, + { + "path": [ + "$.mdoc.family_name" + ], + "intent_to_retain": "false" + }, + { + "path": [ + "$.mdoc.portrait" + ], + "intent_to_retain": "false" + }, + { + "path": [ + "$.mdoc.driving_privileges" + ], + "intent_to_retain": "false" + } + ] + } + } + } + ] + } + ], + + "default_max_age": 1111, + + // JARM related + "authorization_signed_response_alg": [[ + "RS256", + "ES256" + ], + "authorization_encrypted_response_alg": [ + "RSA-OAEP", + "RSA-OAEP-256" + ], + "authorization_encrypted_response_enc": [ + "A128CBC-HS256", + "A192CBC-HS384", + "A256CBC-HS512", + "A128GCM", + "A192GCM", + "A256GCM" + ], + + // SIOPv2 related + "subject_type": "pairwise", + "require_auth_time": true, + "id_token_signed_response_alg": [ + "RS256", + "ES256" + ], + "id_token_encrypted_response_alg": [ + "RSA-OAEP", + "RSA-OAEP-256" + ], + "id_token_encrypted_response_enc": [ + "A128CBC-HS256", + "A192CBC-HS384", + "A256CBC-HS512", + "A128GCM", + "A192GCM", + "A256GCM" + ], + }, + "federation_entity": { + "organization_name": "OpenID Wallet Verifier example", + "homepage_uri": "https://verifier.example.org/home", + "policy_uri": "https://verifier.example.org/policy", + "logo_uri": "https://verifier.example.org/static/logo.svg", + "contacts": [ + "tech@verifier.example.org" + ] + } + }, + "authority_hints": [ + "https://registry.eudi-wallet.example.it" + ] + } + } + + +The Entity Configuration is a JWS, where its header parameters are defined below: + +.. list-table:: + :widths: 25 50 + :header-rows: 1 + + * - **Name** + - **Description** + * - **alg** + - Algorithm used to sign the JWT + * - **typ** + - Media Type of the JWT + * - **kid** + - Key ID used identifying the key used to sign the JWS + +While each metadata specific parameter is defined below: + +.. list-table:: + :widths: 25 50 25 + :header-rows: 1 + + * - **Name** + - **Description** + - **Specs** + * - TBD + - TBD + - TBD + diff --git a/mdoccbor/en/_sources/revocation-lists.rst.txt b/mdoccbor/en/_sources/revocation-lists.rst.txt new file mode 100644 index 000000000..49cc7b174 --- /dev/null +++ b/mdoccbor/en/_sources/revocation-lists.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _revocation-lists.rst: + +revocation-lists.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/en/_sources/ssi-introduction.rst.txt b/mdoccbor/en/_sources/ssi-introduction.rst.txt new file mode 100644 index 000000000..f456ca268 --- /dev/null +++ b/mdoccbor/en/_sources/ssi-introduction.rst.txt @@ -0,0 +1,42 @@ +.. include:: ../common/common_definitions.rst + +.. _ssi-introduction.rst: + +Self Sovereign Identity ++++++++++++++++++++++++ + +Introduction to SSI +------------------- + +**Definition** + +Self-Sovereign Identity (SSI) refers to a new paradigm in Identity and Access Management (IAM) that improves the privacy and grants complete control and ownership over the personal data by their owner, the citizens. +Users possess their digital documents and determine to which actors they present these documents, with the ability to revoke the use of said documents, all while maintaining a history of their activities. + +The main difference between this new approach and the traditional IAM infrastructure is that during the presentation phase there are no intermediates between the Wallet (Holder of the credentials) and the Relying Party, while in the SAML2 or OIDC based infrastructure an Identity Provider is always involved, knowing which services a citizen is accessing to. + +SSI is also significant in the field of data exchange and data governance. This is relevant at both national and European levels, including the new eIDAS Regulation. In fact, it envisions a login option designed for European Users - be they citizens, public administrations, or companies - who want to access another Member State's services using their national authentication systems. + +The main roles in an SSI ecosystem are are listed as follow: + + - Issuers: parties who can issue attributes or "credentials" about a person; + - Verifiers: parties who request Holders' attributes because they want to know something about them; + - Holders: individuals who own a Wallet and have control over the attributes they can acquire, store, and present to Verifiers; + - Verifiable Data Registries: Authorities that publish certificates, attestations, metadata, and schemes needed for trust establishment between the parties. + +**What it is useful for** + +In the SSI model, the data source (e.g., an educational institution) provides credentials to the User, who can store them in their digital Wallet. +A secure Self-Sovereign Identity Wallet is crucial, as it allows people to carry their credentials on their digital devices. The Wallet typically comes in the form of an application on the User's mobile phone. Portability is, therefore, one of the principles of SSI. + +Other key elements that characterize an SSI system include: + - **Privacy and control**: SSI enables individuals to maintain control over their personal data. They can choose what information to release, to whom, and for what purpose. This reduces the risk of personal data being collected, stored, or misused; + - **Security**: SSI leverages advanced cryptographic techniques to ensure the integrity and security of identity information. It avoids the risk of identity theft, fraud, and unauthorized access since the data remains under the individual's control and is not stored in a single vulnerable location; + - **Interoperability**: SSI promotes interoperability by enabling different systems and organizations to recognize and verify identities without relying on a central authority. This allows for seamless and trusted interactions between individuals, organizations, and even across borders; + - **Efficiency and cost reduction**: individuals can manage their own identities with SSI, eliminating the need for multiple identity credentials and repetitive identity verification processes. This can streamline administrative procedures, reduce costs, and enhance the user experience. + +**Example** + +When a User wants to purchase a good or access to a service, the service provider asks the User for specific proof. Instead of presenting physical identification documents or disclosing their full data, the individual can use their SSI system. +An example of SSI in action could be a scenario where an individual needs to prove their age to access a restricted service, such as purchasing age-restricted items. They would release only the necessary information, such as a digitally signed proof of being above the legal age, without revealing any other personal details. The verifier can then cryptographically validate the proof. + diff --git a/mdoccbor/en/_sources/standards.rst.txt b/mdoccbor/en/_sources/standards.rst.txt new file mode 100644 index 000000000..924e882fc --- /dev/null +++ b/mdoccbor/en/_sources/standards.rst.txt @@ -0,0 +1,8 @@ +.. include:: ../common/common_definitions.rst + +.. _standards.rst: + +Standards ++++++++++ + +TODO diff --git a/mdoccbor/en/_sources/trust.rst.txt b/mdoccbor/en/_sources/trust.rst.txt new file mode 100644 index 000000000..a1bd292f7 --- /dev/null +++ b/mdoccbor/en/_sources/trust.rst.txt @@ -0,0 +1,622 @@ +.. include:: ../common/common_definitions.rst + +.. _trust.rst: + +The Infrastructure of Trust ++++++++++++++++++++++++++++ + +The EUDI Wallet Architecture Reference Framework (`EIDAS-ARF`_) defines the Trust Model as a *"collection of rules that ensure the legitimacy of the components and the entities involved in the EUDI Wallet ecosystem."*. + +This section defines how the Trust Model is implemented in an infrastructure of Trust in fully compliace with OpenID Connect Federation 1.0 `OIDC-FED`_, where its Federation API is used for the distribution of metadata, metadata policies, trust marks, public keys, X.509 certificates, and the revocation status of the participants (Federation Entities). + +The infrastructure of Trust enables the trust assessment mechanism to be applied between the parties defined in the `EIDAS-ARF`_. + +.. figure:: ../../images/trust-roles.svg + :alt: federation portrain + :width: 100% + + The roles of the Federation infrastructure, where a Trust Anchor has one or more Intermediates and Leafs and the Intermediates have their Leafs. In this representation both Trust Anchor and Intermediates play the role of Accreditation Body. + + +Federation Roles +------------------ + +All the participants are Federation Entities that must be accredited by an Accreditation Body, except the Wallet Instances that are personal devices and are certified by their Wallet Provider. + +.. note:: + The Wallet Instance, as a personal device, is certified as trusted through a verifiable attestation issued and signed by its Wallet Provider. + + This is called *Wallet Instance Attestation* and is documented in `the dedicated section `_. + + +Therein a table with the summary of the Federation Entity roles mapped on the corresponding EUDI roles, as defined in the `EIDAS-ARF`_. + ++-----------------------------------------+----------------+-----------------------------------+ +| EUDI Role | Federation Role| Notes | ++=========================================+================+===================================+ +| Public Key Infrastructure (PKI) | Trust Anchor | The Federation has PKI | +| | Intermediates | capabilities and the | +| | | Entity that configures | +| | | the entire infrastructure | +| | | is the Trust Anchor. | +| | | | ++-----------------------------------------+----------------+-----------------------------------+ +| Qualified Trust Service Provider (QTSP)| Leaf | | ++-----------------------------------------+----------------+-----------------------------------+ +| Person Identification Data Provider | Leaf | | ++-----------------------------------------+----------------+-----------------------------------+ +| Qualified Electronic Attestations | Leaf | | +| of Attributes Provider | | | ++-----------------------------------------+----------------+-----------------------------------+ +| Electronic Attestations of | Leaf | | +| Attributes Provider | | | ++-----------------------------------------+----------------+-----------------------------------+ +| Relying Party | Leaf | | ++-----------------------------------------+----------------+-----------------------------------+ +| Trust Service Provider (TSP) | Leaf | | ++-----------------------------------------+----------------+-----------------------------------+ +| Trusted List | Trust Anchor | The listing endpoint, the | +| | Intermediates | trust mark status endpoint | +| | | and the fetch endpoint must | +| | | be exposed by both Trust Anchors | +| | | and their Intermediates, making | +| | | the Trusted List distributed | +| | | over multiple Federation Entities,| +| | | where each of these is responsible| +| | | of their accredited subordinates. | +| | | | ++-----------------------------------------+----------------+-----------------------------------+ +| EUDI Wallet Provider | Leaf | | ++-----------------------------------------+----------------+-----------------------------------+ + + +General Properties +------------------ + +OpenID Federation facilitates the building of an infrastructure that is: + +- **Secure and Tamper-proof**, entities' attestations of metadata and keys are cryptographically signed in the chain of trust, comprised of attestations issued by multiple parties that cannot be forged or tampered with by an adversary; +- **Privacy-preserving**, the infrastructure is public and exposes public data such as public keys and metadata of the participants. It does not require authentication of the requesters and therefore does not track who is assessing trust against whom; +- **Guarantor of the non-repudiation of long-lived attestations**, historical keys endpoints and historical Trust Chains are saved for years according to data retention policies. This enables the certification of the validity of historical compliance, even in cases of revocation, expiration, or rotation of the keys used for signature verification; +- **Dynamic and flexible**, allowing any participant to modify parts of their metadata autonomously, as these are published within their domains and verified through the Trust Chain. Simultaneously, the Trust Anchor or its Intermediate may publish a metadata policy to dynamically modify the metadata of all participants—such as disabling a vulnerable signature algorithm—and obtain certainty of propagation within a configured period of time to all participants; +- **Efficient**, as JWT and JSON formats have been adopted on the web for years. They are cost-effective in terms of storage and processing and have a wide range of solutions available, such as libraries and software development kits, which enable rapid implementation of the solution; +- **Scalable**, the Trust Model can accommodate more than a single organization by using Intermediates. + +Trust Model Requirements +------------------------ + +In the table below there’s the map of the components that the ARF defines within the Trust Model and their coverage in `OIDC-FED`_. + ++----------------------------------------------------+--------------+----------------+ +| Component | Satisfied | how | ++====================================================+==============+================+ +| Issuers identification | |check-icon| | Trust Chain | ++----------------------------------------------------+--------------+----------------+ +| Issuers registration | |check-icon| | Trust Anchor | +| | | | +| | | Intermediate | +| | | OnBoarding | +| | | systems | +| | | | ++----------------------------------------------------+--------------+----------------+ +| Recognised data models and schemas | |check-icon| | Entity | +| | | Configuration | +| | | | +| | | | +| | | | +| | | Entity | +| | | Statements | ++----------------------------------------------------+--------------+----------------+ +| Relying Parties’ registration and authentication | |check-icon| | static | +| | | Trust Chains | +| | | | +| | | | +| | | | +| | | Federation | +| | | Entity | +| | | Discovery | ++----------------------------------------------------+--------------+----------------+ +| Trust mechanisms in a cross-domain scenario | |check-icon| | static | +| | | Trust Chains | +| | | | +| | | | +| | | | +| | | Federation | +| | | Entity | +| | | Discovery | ++----------------------------------------------------+--------------+----------------+ + + +Federation API endpoints +------------------------ + +OpenID Connect Federation is similar to a PKI that uses RESTful Web Services secured over HTTPs. OpenID Connect Federation defines which are the web endpoints that the participants made publicly available. In the table below the summary of these and their scopes. + +All the endpoints listed below are defined in the `OIDC-FED`_ specs. + ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ +| endpoint name | http request | scope | required by | ++===========================+==============================================+================================+=================+ +| | | | Trust Anchor | +| federation metadata | **GET** .well-known/openid-federation |Metadata that an Entity | Intermediate | +| | |publishes about itself, | Wallet Provider| +| | |verifiable with a trusted third | Relying Party | +| | |party (Superior Entity). It’s | | +| | |called Entity Configuration. | | ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ +| subordinate list endpoint | **GET** /list |Lists the Subordinates. | Trust Anchor | +| | | | Intermediate | ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ +| fetch endpoint | **GET** /fetch?sub=https://rp.example.org |Returns a document (JWS) | Trust Anchor | +| | |about a specific subject, its | Intermediate | +| | |Subordinate. It’s called Entity | | +| | |Statement. | | ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ +| trust mark status | **POST** /status?sub=...&trust_mark_id=... |Returns the status of the | Trust Anchor | +| | |issuance (validity) of a Trust | Intermediate | +| | |Mark related to a specific | | +| | |subject. | | ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ +| historical keys | **GET** |Lists its expired and revoked | Trust Anchor | +| | |keys, with the motivation of the| Intermediate | +| | .well-known/openid-federation-historical-jwks|revocation. | | +| | | | | ++---------------------------+----------------------------------------------+--------------------------------+-----------------+ + +All the responses of the Federation endpoints are JWS, with the exception of the **Subordinate Listing endpoint** and the **Trust Mark Status endpoint** that are served as plain JSON by default, however these may be signed if required. + + +Configuration of the Federation +------------------------------- + +The configuration of the Federation is published by the Trust Anchor within its Entity Configuration, available at a well-known web path corresponding to **.well-known/openid-federation**. + +All entities MUST obtain the Federation configuration before entering the operational phase, and they +MUST keep it up-to-date. The Federation configuration contains the Trust Anchor +public keys for signature operations and the maximum number of Intermediates allowed between a Leaf and the Trust Anchor (**max_path length**). + +Below is a non-normative example of a Trust Anchor Entity Configuration, where each parameter is documented in the `OpenID Connect Federation `_ specifications, Section 3.1 for the Federation statements and Section 4 for the Metadata identifiers: + +.. code-block:: text + + { + "alg": "ES256", + "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc", + "typ": "entity-statement+jwt" + } + . + { + "exp": 1649375259, + "iat": 1649373279, + "iss": "https://registry.eidas.trust-anchor.example.eu/", + "sub": "https://registry.eidas.trust-anchor.example.eu/", + "jwks": { + "keys": [ + { + "kty": "RSA", + "n": "3i5vV-_ …", + "e": "AQAB", + "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc", + "x5c": [ ] + }, + { + "kty": "EC", + "kid": "X2ZOMHNGSDc4ZlBrcXhMT3MzRmRZOG9Jd3o2QjZDam51cUhhUFRuOWd0WQ", + "crv": "P-256", + "x": "1kNR9Ar3MzMokYTY8BRvRIue85NIXrYX4XD3K4JW7vI", + "y": "slT14644zbYXYF-xmw7aPdlbMuw3T1URwI4nafMtKrY", + "x5c": [ ] + } + ] + }, + "metadata": { + "federation_entity": { + "organization_name": "example TA", + "contacts":[ + "tech@eidas.trust-anchor.example.eu" + ], + "homepage_uri": "https://registry.eidas.trust-anchor.example.eu/", + "logo_uri":"https://registry.eidas.trust-anchor.example.eu/static/svg/logo.svg", + "federation_fetch_endpoint": "https://registry.eidas.trust-anchor.example.eu/fetch/", + "federation_resolve_endpoint": "https://registry.eidas.trust-anchor.example.eu/resolve/", + "federation_list_endpoint": "https://registry.eidas.trust-anchor.example.eu/list/", + "federation_trust_mark_status_endpoint": "https://registry.eidas.trust-anchor.example.eu/trust_mark_status/" + } + }, + "trust_marks_issuers": { + "https://registry.eidas.trust-anchor.example.eu/openid_relying_party/public/": [ + "https://registry.spid.eidas.trust-anchor.example.eu/", + "https://public.intermediary.spid.org/" + ], + "https://registry.eidas.trust-anchor.example.eu/openid_relying_party/private/": [ + "https://registry.spid.eidas.trust-anchor.example.eu/", + "https://private.other.intermediary.org/" + ] + }, + "constraints": { + "max_path_length": 1 + } + } + + +Entity Configuration +-------------------- + +The Entity Configuration is the verifiable document that each Federation Entity must publish on its own behalf. +The Entity Configuration must be cryptographycally signed, and it must be verified with one of the public keys contained within it and one of the public keys within the Entity Statement issued by the Trust Anchor or its Intermediate. + +The Entity Configuration may also contain one or more Trust Marks. + +.. note:: + **Entity Configuration Signature** + + All the signature-check operations regarding the Entity Configurations, Entity Statements and Trust Marks, are carried out with the Federation public keys. For the supported algorithms refer to Section `Cryptografic Algorithm`. + +Entity Configurations Common Parameters +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Entity Configurations of all the participants have in common the parameters listed below. + + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - **iss** + - String. Identifier of the issuing Entity. + * - **sub** + - String. Identifier of the Entity to which it is referred. + * - **iat** + - UNIX Timestamp with the time of generation of the JWT, coded as NumericDate as indicated at :rfc:`7519` + * - **exp** + - UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated at :rfc:`7519`. + * - **jwks** + - A JSON Web Key Set (JWKS) :rfc:`7517` that represents the public part of the signing keys of the Entity at issue. Each JWK in the JWK set MUST have a key ID (claim kid) and MAY have a `x5c` parameter, as defined in :rfc:`7517`. + * - **metadata** + - JSON Object. Each key of the JSON Object represents a metadata type identifier + containing JSON Object representing the Metadata, according to the Metadata + schema of that type. An Entity Configuration MAY contain more Metadata statements, but only one for each type of + Metadata (<**entity_type**>). the metadata types are defined in the section `Metadata Types `_. + +.. note:: + Inside the Entity Configuration the claims **iss** e **sub** contain the same value (URL). + +Entity Configuration Trust Anchor +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Trust Anchor Entity Configuration, in addition of the common parameters listed above, also contains the followings parameters: + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Required** + * - **constraints** + - JSON Object that describes the Trust Chain bounds and MUST contain the attribute **max_path_length**. + It represents the maximum number of Intermediate between a Leaf and the Trust Anchor. + - |check-icon| + * - **trust_marks_issuers** + - JSON Array that indicates which Federation authorities are considered trustworthy + for issuing specific Trust Marks, assigned with their unique identifiers. + - |uncheck-icon| + + +Entity Configuration Leaves and Intermediates +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +In addition to the previously defined claims, the Entity Configuration of the Leaf and the Intermediate Entities, contain also the parameters listed below: + + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Required** + * - **authority_hints** + - Array of URLs (String). It contains a list of URLs of the superior Entities, such as the Trust Anchor or an Intermediate, that MAY issue an Entity Statement related to this subject. + - |check-icon| + * - **trust_marks** + - A JSON Array containing the Trust Marks. + - |uncheck-icon| + +Metadata Types +^^^^^^^^^^^^^^^^ + +In this section are defined the main metadata types mapped to the roles of the ecosystem, +giving the references of the metadata protocol for each of these. + + +.. note:: + + The entities that doesn't have any references to a known draft or standard are intended to be defined in this technical reference. + ++------------------+-----------------------------+--------------+ +| Entity | metadata type | references | ++==================+=============================+==============+ +| Trust Anchor | ``federation_entity`` | `OIDC-FED`_ | ++------------------+-----------------------------+--------------+ +| Intermediate | ``federation_entity`` | `OIDC-FED`_ | ++------------------+-----------------------------+--------------+ +| | | | +| Wallet Provider | ``federation_entity`` | -- | +| | | | +| | ``wallet_provider`` | | +| | | | +| | | | ++------------------+-----------------------------+--------------+ +| | | | +| Credential Issuer| ``federation_entity`` | | +| | | | +| | ``openid_credential_issuer``| `OPENID4VCI`_| ++------------------+-----------------------------+--------------+ +| | | | +| Relying Party | ``federation_entity`` | | +| | | | +| | ``wallet_relying_party`` | `OIDC-FED`_ | +| | | | +| | | `OpenID4VP`_ | ++------------------+-----------------------------+--------------+ + +.. note:: + Wallet Provider metadata is defined in the section below. + + `Wallet Solution section `_. + +Entity Statements +----------------- + +Trust Anchors and Intermediates publish an Entity Statement related to a Subordinate. +The Entity Statement MAY contain a metadata policy and the Trust Marks related to a Subordinate. + +The metadata policy, when applied, makes one or more changes to the final metadata of the Leaf. The final metadata of a Leaf is derived from the Trust Chain that contains all the statements, starting from the Entity Configuration up to the Trust Anchor. + +Trust Anchors and Intermediates must expose the Federation Fetch endpoint, where the Entity Statements are requested to validate the Leaf's Entity Configurations signature. + +.. note:: + The Federation Fetch endpoint may also issue X.509 certificates for each of the public keys of the Subordinate. Making the issuance of the X.509 certificates completely automatic. + +Below there is a non-normative example of an Entity Statement issued by an Accreditation Body (such as the Trust Anchor or its Intermediate) in relation to one of its Subordinates. + +.. code-block:: text + + { + "alg": "RS256", + "kid": "em3cmnZgHIYFsQ090N6B3Op7LAAqj8rghMhxGmJstqg", + "typ": "entity-statement+jwt" + } + . + { + "exp": 1649623546, + "iat": 1649450746, + "iss": "https://intermediate.eidas.example.org", + "sub": "https://rp.example.it", + "jwks": { + "keys": [ + { + "kty": "EC", + "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs", + "crv": "P-256", + "x": "1kNR9Ar3MzMokYTY8BRvRIue85NIXrYX4XD3K4JW7vI", + "y": "slT14644zbYXYF-xmw7aPdlbMuw3T1URwI4nafMtKrY", + "x5c": [ ] + } + ] + }, + "metadata_policy": { + "openid_relying_party": { + "scope": { + "subset_of": [ + "eu.europa.ec.eudiw.pid.1", + "eu.europa.ec.eudiw.pid.1:given_name", + "email" + ] + }, + "request_authentication_methods_supported": { + "one_of": ["request_object"] + }, + "request_authentication_signing_alg_values_supported": { + "subset_of": ["RS256", "RS512", "ES256", "ES512", "PS256", "PS512"] + } + }, + "client": { + "vp_formats": { + "jwt_vp": { + "alg": + "subset_of": [ + "EdDSA", + "ES256K" + ] + } + } + } + } + } + } + + +.. note:: + + **Entity Statement Signature** + + The same considerations and requirements made for the Entity Configuration must be applied for the Entity Statements. + + +Entity Statement +^^^^^^^^^^^^^^^^^^ + +The Entity Statement issued by Trust Anchors and Intermediates contain the following attributes: + + +.. list-table:: + :widths: 20 60 20 + :header-rows: 1 + + * - **Claim** + - **Description** + - **Required** + * - **iss** + - See `OIDC-FED`_ Section 3.1 for further details. + - |check-icon| + * - **sub** + - See `OIDC-FED`_ Section 3.1 for further details. + - |check-icon| + * - **iat** + - See `OIDC-FED`_ Section 3.1 for further details. + - |check-icon| + * - **exp** + - See `OIDC-FED`_ Section 3.1 for further details. + - |check-icon| + * - **jwks** + - Federation JWKS of the *sub* entity. See `OIDC-FED`_ Section 3.1 for further details. + - |check-icon| + * - **metadata_policy** + - JSON Object that describes the Metadata policy. Each key of the JSON Object represents an identifier of the type of Metadata and each value MUST be a JSON Object that represents the Metadata policy according to that Metadata type. Please refer to the `OIDC-FED`_ specifications, Section-5.1, for the implementation details. + - |uncheck-icon| + * - **trust_marks** + - JSON Array containing the Trust Marks issued by itself for the subordinate subject. + - |uncheck-icon| + * - **constraints** + - It MAY contain the **allowed_leaf_entity_types**, that restricts what types of metadata a subject is allowed to publish. + - |check-icon| + + +Trust Evaluation Mechanism +-------------------------- + +The Trust Anchor publishes the list of its Intermediates (Federation Subordinate Listing endpoint) and the attestations of their metadata and public keys (Entity Statements). + +Each participant, including Trust Anchor, Intermediate, Credential Issuer, Wallet Provider, and Relying Party, publishes its own metadata and public keys (Entity Configuration endpoint) on the well-known web resource **.well-known/openid-federation**. + +Each of these can be verified using the Entity Statement issued by a superior, Trust Anchor, or Intermediate. + +Each Entity Statement is verifiable over time and has an expiration date. The revocation of each statement is verifiable in real time and online (only for remote flows) through the federation endpoints. + +.. note:: + The revocation of an Entity is made with the unavailability of the Entity Statement related to it. If the Trust Anchor or its Intermediates doesn't publish a valid Entity Statement, or if they publish an expired/invalid Entity Configuration, the subject of the Entity Statement must be intended as not valid or revoked. + +The concatenation of the statements, through the combination of these signing mechanisms and the binding of claims and public keys, creates the Trust Chain. + +The Trust Chains can also be verified offline, using only the Trust Anchor's public keys. + +.. note:: + Since the Wallet Instance is not a Federation Entity, the Trust Evaluation Mechanism related to **it requires the presentation of the Wallet Instance Attestation during the credential issuance and presentation phases**. + + The Wallet Instance Attestation conveys all the required information pertaining to the instance, such as its public key and any other technical or administrative information, without any User's personal data. + + +Relying Party Attestation +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Relying Party is accredited by a Trust Anchor or its Intermediate and obtains a Trust Mark to be included in its Entity Configuration, where it also publishes the interoperability metadata to disclose the requested user attributes. Additionally, it includes signature and encryption algorithms, and any other necessary information in accordance with one or more specific protocols. + +Any requests for user attributes, such as PID or (Q)EAA, from the Relying Party to Wallet Instances are signed and contain the verifiable Trust Chain regarding the Relying Party. + +The Wallet Instance verifies the Trust Chain related to the Relying Party and its revocation. It does this by using an HTTP request to the Relying Party's federation Entity Statement. + +The Trust Chain should be contained within the signed request in the form of a JWS header parameter. + +In offline flows, Trust Chain verification enables the assessment of the reliability of Trust Marks and Attestations contained within. + + +Wallet Instance Attestation +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Wallet Provider issues a Wallet Instance Attestation, certifying the operational status of its Wallet Instances, including one or more of their public keys. + +The Wallet Instance Attestation contains the Trust Chain that attests to the required public key's validity for itself and its issuer (Wallet Provider). + +The Wallet Instance presents its Wallet Instance Attestation within the signed request during the PID issuance phase, containing the Trust Chain related to the Wallet Provider. The PID Provider issues a PID for each public key contained in the Wallet Instance Attestation, producing the Holder key Binding within the issued PID. + +Trust Chain +^^^^^^^^^^^^^^^ + +The Trust Chain is the sequence of verified statements that validates a participant's compliance with the eIDAS Federation. It has an expiration date, beyond which it should be renewed to obtain updated metadata. The expiration date of the Trust Chain is determined by the earliest expiration date among all the expiration dates contained in the statements. No Entity can force the expiration date of the Trust Chain to be higher than the one configured by the Trust Anchor. + +Below is an abstract representation of a Trust Chain. + +.. code-block:: python + + [ + "EntityConfiguration-as-SignedJWT-selfissued-byLeaf", + "EntityStatement-as-SignedJWT-issued-byTrustAnchor" + ] + +Below is a non-normative example of a Trust Chain in its original format (JSON Array containing JWS as strings) with an Intermediate involved. + +.. code-block:: python + + [ + 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+ "eyJhbGciOiJFUzI1NiIsImtpZCI6ImVVRldSakJKYlhVeU5TMHRhV1JrYlhCMWVURlBjazV6UzBGRVFTMWFNVFpEYTNOWk1WUktURTR5Y3ciLCJ0eXAiOiJhcHBsaWNhdGlvbi9lbnRpdHktc3RhdGVtZW50K2p3dCJ9.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.KR2oBDMfqLGCZ2ZqN0FgOP7cWsW4ClxBaj4-j_c3HC-YEecK6SLlNk00bGqoEe2NCMy2lqk9dYQO1IauB_ZG7A" + ] + +.. note:: + + The entire Trust Chain is verifiable by possessing only the Trust Anchor’s public key. + + +Offline Trust Attestation Mechanisms +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +In this section, we describe the implementation requirements to enable +offline trust evaluation mechanisms. + +.. note:: + The offline flows do not allow for real-time evaluation of an Entity's status, such as its revocation. At the same time, using short-lived Trust Chains enables the attainment of trust attestations compatible with the required revocation administrative protocols (e.g., a revocation must be propagated in less than 24 hours, thus the Trust Chain must not be valid for more than that period). + + +Offline EUDI Wallet Trust Attestation +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Given that a mobile device should not publish its metadata online at the *.well-known/openid-federation* endpoint, or in any other way, it is not mandatory for the Wallet Instance to publish its metadata if the User does not want this. As a result, the Wallet Instance does not need to publish its federation metadata online. + +However, the Wallet Instance should obtain a Wallet Attestation Instance issued by its Wallet Provider, which should contain a Trust Chain related to its issuer (Wallet Provider). + +Offline Relying Party Metadata +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Since the Federation Entity Discovery is only applicable in online scenarios, it is possible to include the Trust Chain in the presentation requests that a Relying Party may issue for a Wallet Instance. + +The Relying Party must sign the presentation request, which should include the `trust_chain` claim in its header parameter, containing the Federation Trust Chain related to itself. + +The Wallet Instance that verifies the request issued by the Relying Party can then use the Trust Anchor public keys to validate the entire Trust Chain related to the Relying Party and attest to its reliability. + +Furthermore, the Wallet Instance applies the metadata policy, if available, to filter out any User attributes not attested in the Relying Party metadata, as derived from the Trust Chain made available in the Relying Party's signed request. + +Non-repudiability of the Long Lived Attestations +-------------------------------------------------- + +The Trust Anchor and its Intermediate MUST expose the Historical keys endpoint, where are published all the public keys that are no longer used, whether expired or revoked. + +The details of this endpoint are defined in the `OIDC-FED`_ Section 7.6. + +Each JWS containing a Trust Chain in the form of a JWS header parameter can be verified over time, since the entire Trust Chain is verifiable using the Trust Anchor's public key. + +Even if the Trust Anchor has changed its cryptographic keys for digital signature, the historical keys endpoint always makes the keys no longer used available for historical signature verifications. + + +Privacy Considerations +---------------------- + +- Wallet Instances do not publish their metadata through an online service. +- The trust infrastructure is public, with all endpoints publicly accessible without any client credentials that may disclose who is requesting access. +- When a Wallet Instance requests the Entity Statements to build the Trust Chain for a specific Relying Party or validates a Trust Mark online, issued for a specific Relying Party, the Trust Anchor or its Intermediate do not know that a particular Wallet Instance is inquiring about a specific Relying Party; instead, they only serve the statements related to that Relying Party as a public resource. +- The Wallet instance metadata must not contain information that may disclose technical information about the hardware used. +- Leaf entity, Intermediate, and Trust Anchor metadata may include the necessary amount of data as part of administrative, technical, and security contact information. It is generally not recommended to use personal contact details in such cases. From a legal perspective, the publication of such information is needed for operational support concerning technical and security matters and is in line with GDPR. + +Considerations about Decentralization +------------------------------------- + +- There should be more than one Trust Anchor. +- In some cases, a trust verifier may trust an Intermediate, especially when the Intermediate may represent itself as a Trust Anchor within a specific perimeter, such as cases where the Leafs are both in the same perimeter like a Member State jurisdiction (eg: Italian RP with an Italian Wallet Instance may consider the Italian Accreditation Body as Trust Anchor). +- Trust attestations (Trust Chain) should be included in the JWS issued by Credential Issuers, and the Presentation Requests of RPs should contain the Trust Chain related to them (issuers of the presentation requests). +- Since the credential presentation must be signed, saving the signed presentation requests and responses, which include the Trust Chain, the Wallet Instance has a snapshot of the federation configuration (Trust Anchor Entity Configuration in the Trust Chain) and the verifiable reliability of the Relying Party it has interacted with. This information must be stored on the Wallet Device and backed up in a remote and secure cloud storage, with the explicit permission of its User. +- Each signed attestation is long-lived since it can be cryptographically validated even when the federation configuration changes or the keys of its issuers are renewed. +- Each participant should be able to update its Entity Configuration without notifying the changes to any third party. The Metadata Policy of a Trust Chain must be applied to overload any information related to protocol metadata and allowed grants of the participants. diff --git a/mdoccbor/en/_sources/wallet-instance-attestation.rst.txt b/mdoccbor/en/_sources/wallet-instance-attestation.rst.txt new file mode 100644 index 000000000..06a3be6dd --- /dev/null +++ b/mdoccbor/en/_sources/wallet-instance-attestation.rst.txt @@ -0,0 +1,619 @@ +.. include:: ../common/common_definitions.rst + +.. _wallet-instance-attestation.rst: + +Wallet Instance Attestation ++++++++++++++++++++++++++++ + +Inside a **Wallet Solution** and, especially with regards +to the **Wallet Instance**, it is essential to ensure the **authenticity, +integrity, security, privacy and trust** in the use of the latter both +by the User and the services connected to it, such as the +**PID Provider** or one **Relying Party**. + + +General Properties +------------------ + +The goal is: + +- Ensure that the Wallet Instance maintains a level of **integrity**, + capable of preventing any attempts of manipulation or forgery + by unauthorized third parties. +- The Wallet Provider issues a certificate of conformity, + assuring that the above mentioned security and trust + goals are fulfilled. + + +In compliance of the above mentioned requirements, it is necessary for each +Wallet Instance to issue a certificate of conformity, +guaranteeing its security and compliance with the Trust Model. + +This attestation is called **Wallet Instance Attestation** +and must be electronically signed by its issuer. + +.. hint:: + Considering that the Wallet Instance does not represent an accredited + entity and does not belong to an organization, + but resides on the User's device, the Trust Model, + based on sustainability and scalability criteria, + must delegate to the **Wallet Provider** the task of + issuing the **Wallet Instance Attestation**. + + +Requirements +------------ + +We assume the following requirements for the Wallet Instance Attestation: + +1. **Efficiency**: The Wallet Instance Attestation should use an efficient + format such as JSON Web Token (JWT) to ensure light and fast data management + and be compliant with the various formats used for eudiw solutions. +2. **Simplicity**: The Wallet Provider should be based on a REST architecture + for issuing Wallet Instance Attestations. +3. **Public key holder binding**: The Wallet Instance Attestation must be + securely linked to the Wallet Instance public key. +4. **Issued and signed by an accredited Wallet Provider**: + The Wallet Instance Attestation must be issued and signed by an accredited + and reliable Wallet Provider, thus conferring integrity and authenticity + to the attestation itself. +5. **Authenticity/Genuineness of the Wallet Instance**: + The Wallet Instance Attestation must guarantee the integrity + and authenticity of the Wallet Instance, confirming that it was + created and provided correctly by the Wallet Provider. ⚠️ +6. **Ability to request multiple claims for several public keys**: + Each single Wallet Instance should be able to request multiple attestations + for different public keys associated with it. This requirement constitutes + a privacy-preserving measure since the public key may be exploited as a + tracking tool in the credentials’ disclosure phase + (see also point 10 below). +7. **Can be used multiple times**: + The Wallet Instance Attestation should be used multiple times + during the validity period of the attestation, allowing for repeated + authentication and authorization without the need to request + new attestations with each interaction. +8. **Expiration**: + The Wallet Instance Attestation should have a well-defined expiration date, + after which it will no longer be considered valid, thus ensuring + the security and updating of the attestations over time. +9. **Revocation in case of loss/deletion of the private key**: + If the private key associated with the Wallet Instance is lost or deleted, + the attestation automatically becomes invalid to prevent unauthorized + use of the Wallet Instance. ⚠️ +10. **Pseudonymisation**: + The attestations are designed to be pseudonymised + (i.e. they do not contain direct references to the person, so that it + is not possible to identify them in the absence of additional information + \- see art. 4(5) GDPR for a comprehensive definition). + In the absence of such a measure, the use of the attestation on multiple + RPs would constitute an appreciable risk, as it would theoretically + allow the RPs to merge databases and track Users. + This requirement enriches the measures adopted in accordance + with art. 32 GDPR. + +.. attention:: + ⚠️ Implementation of points no. 5 and 9 is still under discussion. + This version assumes the authenticity and non-revocability of the Wallet Instance. + + + +High-end design +--------------- + + +Static view of the components +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. figure:: ../../images/static_view_wallet_instance_attestation.svg + :name: Wallet Solution schema + :alt: the image shows how the Wallet Provider and the + Wallet Instances are contained within the Wallet + Solution which is managed by the Wallet Provider + :target: https://www.plantuml.com/plantuml/uml/XP4nJuSm44VtVehBdxbnPp2iRYx6qTHIjR7SaVQ0-EqzaICDgN4ZBxpqzTUXiCkyJCaupvJXzbH2le4hiCW7A7rsAGM6ETCQn-E7RMSloi0OJzDC691FeL1QE1BMWZBeraW2Mbv4wK8VQayPT5yX9TgCQPclpdy676lnGF0ZN93DyVs3xVsrhOU70hCi0_JshwHXFJp-Rg4dIuECo96moD7xeBQbUKBEbE0EPEwuEWx6N2zj_uXqU8wbhVMhD3tjbAX1BYIl_mq0 + +Dynamic view of the components +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +In this section is described the format of the Wallet Instance Attestation and +how it is issued by the Wallet Provider. + +.. figure:: ../../images/dynamic_view_sequence_wallet_instance_attestation.svg + :name: sequence diagram for Wallet Instance Attestation request + :alt: The figure shows the sequence diagram for issuing a Wallet Instance Attestation. + The steps will be described below. + :target: https://www.plantuml.com/plantuml/uml/XPB1RzKm3CRl-IlCJY3nn7s7QOZ3118IGi0kkxYDLLcqJd2SLMz_FLvV6r7AnDN-_Fi-ExajXcfr6iEhh3XC24Rf2Kmh1QoMf4uTQGZPLTnpHZ6u-bv8hm0Br7tz7iUH33wAGwMdHJBpFpLVD3roN35p5qA5qusBhtsQZN7a9uBvekMLzo19GUbNfMBlib8X1_PAaUHveeIPJpTpTmrtPDjiNdrW8iE8Xc7kJgvoeyzh1VeaXYmimnyqi7EcyXP-qddnPAN9EruXYJcnsEhdf1yUrqbqC3MjnM3aOgxT5hmZ8NNrWix8MhQcH_zwMGyaIK-U5KwNgRNGB3yeFIF-kZYyBuNKE4a3VRh_5h0tVbpoTRiROLE__Y_eZOTP9W_RyZOpa5GM4YhbA2uy25fLQgrXkmDANDe7OClN7ktbXO-FyJ8jqluYpguDtVJSFc9y42MCPx04gJDa0Q5vz_LkIMATnjy0 + +- **Message 1**: The User initializes the Wallet Instance. + In particular, this process happens after the Wallet Instance installation and after the expiration of the Wallet Instance Attestation + is launched and every time the User wants to request or present + (disclose) a credential. +- **Message 2-3**: The Wallet Instance obtains metadata about its Wallet + Provider. Among these, we also find the list of supported algorithms, + public keys, endpoints. +- **Message 4**: The Wallet Instance verifies that the Wallet Provider is + trustworthy by resolving the provider's trust chain up to the anchor +- **Message 5-7**: The Wallet Instance instantiates a new key pair on its TEE + and requests a ``nonce`` from the Wallet Provider (as a measure + against replay attacks). +- **Message 8**: The Wallet Instance generates a Wallet Instance Attestation + Request, in JWS format, signed with the private key associated with the + public key for which it wants to obtain the attestation containing + the ``nonce`` and all the required parameters. +- **Message 9-13**: The Wallet Instance sends the Wallet Instance Attestation + Request to the Wallet Provider which verifies its validity and + issues the signed attestation. +- **Message 13-14**:The Wallet Instance receives the Wallet Instance + Attestation signed by the Wallet Provider and proceeds with a formal + verification. +- **Message 15**:The Wallet Instance Attestation is ready to be consumed. + + +Detail design +--------------- +We will go into the detail design below. + +Format of the Wallet Provider Entity Configuration +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The Wallet Provider Entity Configuration is a JWS containing +the public keys and the supported algorithms +within the Wallet Provider metadata definition. +It is defined according to `OpenID Connect Federation `_ +and Section Trust Model of this specification. + +Header +^^^^^^ ++---------+-----------------------------------------------------------------+ +| **key** | **value** | ++---------+-----------------------------------------------------------------+ +| alg | Algorithm to verify the token signature (es. ES256). | ++---------+-----------------------------------------------------------------+ +| kid | Thumbprint of the public key used for signing. | ++---------+-----------------------------------------------------------------+ +| typ | Media type, in this case, we use the entity-statement+jwt value.| ++---------+-----------------------------------------------------------------+ + +Payload +^^^^^^^ ++-----------------------------------+-----------------------------------+ +| **key** | **value** | ++-----------------------------------+-----------------------------------+ +| iss | The public url of the Wallet | +| | Provider. | ++-----------------------------------+-----------------------------------+ +| sub | The public url of the Wallet | +| | Provider. | ++-----------------------------------+-----------------------------------+ +| iat | Configuration release timestamp. | ++-----------------------------------+-----------------------------------+ +| exp | Configuration expiration | +| | timestamp. | ++-----------------------------------+-----------------------------------+ +| jwks | Containing the keys attribute | +| | which is an array of all the | +| | public keys associated with the | +| | domain (they could also match | +| | those of the Wallet Provider). | ++-----------------------------------+-----------------------------------+ +| metadata | This attribute will contain for | +| | each entity its own | +| | metadata. In this case we | +| | will have the Wallet | +| | Provider metadata contained within| +| | the ``eudi_wallet_provider`` | +| | attribute and the more generic | +| | entity ``federation_entity``. | ++-----------------------------------+-----------------------------------+ + +Payload `eudi_wallet_provider` +'''''''''''''''''''''''''''''' ++------------------------------------+------------------------------------+ +| **key** | **value** | ++------------------------------------+------------------------------------+ +|| jwks || Containing the keys attribute | +|| || which is an array of all the | +|| || Wallet Provider's public keys. | ++------------------------------------+------------------------------------+ +|| token_endpoint || Endpoint for obtaining the Wallet | +|| || Instance Attestation. | ++------------------------------------+------------------------------------+ +|| asc_values_supported || List of supported values for | +|| || the certified security context. | +|| || These values define a level of | +|| || assurance about the security of | +|| || the app. In particular we will | +|| || mainly have 3 values associated | +|| || with low, medium and high | +|| || security. An attested security | +|| || context is defined according to | +|| || the proof that the Wallet | +|| || Instance is able to send to the | +|| || Wallet Provider. | +|| || ⚠️ This parameter is not standard | +|| || and is still under discussion. | ++------------------------------------+------------------------------------+ +|| grant_types_supported || The type of grants supported by | +|| || the endpoint token. Therefore, | +|| || for the Wallet Provider the token | +|| || is equivalent only to the Wallet | +|| || Instance attestation, therefore | +|| || this attribute will contain an | +|| || array with only one element. | ++------------------------------------+------------------------------------+ +|| token_endpoint_auth_methods_suppo || Supported authentication method | +|| rted || for the endpoint token. | +|| || | ++------------------------------------+------------------------------------+ +|| token_endpoint_auth_signing_alg_v || List of supported signature | +|| alues_supported || algorithms. | ++------------------------------------+------------------------------------+ + +.. note:: + The parameter `asc_values_supported` is experimental and still + under discussion. + +Payload `federation_entity` +''''''''''''''''''''''''''' ++-------------------+----------------------------------------+ +| **key** | **value** | ++-------------------+----------------------------------------+ +| organization_name | Organization name. | ++-------------------+----------------------------------------+ +| homepage_uri | Organization website. | ++-------------------+----------------------------------------+ +| tos_uri | Url to the terms of use. | ++-------------------+----------------------------------------+ +| policy_uri | Url to the privacy policy. | ++-------------------+----------------------------------------+ +| logo_uri | URL of the organization logo. | ++-------------------+----------------------------------------+ + +Below a non-normative example of the Entity Configuration. + +.. code-block:: javascript + + { + "alg": "ES256", + "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY", + "typ": "entity-statement+jwt" + } + . + { + "iss": "https://wallet-provider.example.org", + "sub": "https://wallet-provider.example.org", + "jwks": { + "keys": [ + { + "crv": "P-256", + "kty": "EC", + "x": "qrJrj3Af_B57sbOIRrcBM7br7wOc8ynj7lHFPTeffUk", + "y": "1H0cWDyGgvU8w-kPKU_xycOCUNT2o0bwslIQtnPU6iM", + "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY" + } + ] + }, + "metadata": { + "eudi_wallet_provider": { + "jwks": { + "keys": [ + { + "crv": "P-256", + "kty": "EC", + "x": "qrJrj3Af_B57sbOIRrcBM7br7wOc8ynj7lHFPTeffUk", + "y": "1H0cWDyGgvU8w-kPKU_xycOCUNT2o0bwslIQtnPU6iM", + "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY" + } + ] + }, + "token_endpoint": "https://wallet-provider.example.org/token", + "asc_values_supported": [ + "https://wallet-provider.example.org/LoA/basic", + "https://wallet-provider.example.org/LoA/medium", + "https://wallet-provider.example.org/LoA/high" + ], + "grant_types_supported": [ + "urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation" + ], + "token_endpoint_auth_methods_supported": [ + "private_key_jwt" + ], + "token_endpoint_auth_signing_alg_values_supported": [ + "ES256", + "ES384", + "ES512" + ] + }, + "federation_entity": { + "organization_name": "PagoPa S.p.A.", + "homepage_uri": "https://wallet-provider.example.org", + "policy_uri": "https://wallet-provider.example.org/privacy_policy", + "tos_uri": "https://wallet-provider.example.org/info_policy", + "logo_uri": "https://wallet-provider.example.org/logo.svg" + } + }, + "iat": 1687171759, + "exp": 1709290159 + } + + +Format of the Wallet Instance Attestation Request +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +To obtain a Wallet Instance Attestation from the Wallet +Provider it is necessary to send a Wallet Instance Attestation +Request from the Wallet Instance containing the associated public key +and a ``nonce`` previously requested to avoid replay attacks. + +Header +^^^^^^ ++-----------------------------------+-----------------------------------+ +| **key** | **value** | ++-----------------------------------+-----------------------------------+ +| alg | Algorithm to verify the token | +| | signature (es. ES256) | ++-----------------------------------+-----------------------------------+ +| kid | Key id of the Wallet Instance | ++-----------------------------------+-----------------------------------+ +| typ | Media type, in this case we use | +| | the value var+jwt (Verifiable | +| | Assertion Request JWT) | ++-----------------------------------+-----------------------------------+ + +Payload +^^^^^^^ ++---------+---------------------------------------+ +| **key** | **value** | ++---------+---------------------------------------+ +|| iss || The thumbprint | +|| || of the JWK of the Wallet Instance | +|| || for which the attestation is | +|| || being requested. | ++---------+---------------------------------------+ +|| sub || The public url of the Wallet | +|| || Provider | ++---------+---------------------------------------+ +|| jti || Unique identifier of the request. | +|| || This parameter will be used to | +|| || avoid replay attacks. | ++---------+---------------------------------------+ +|| type || String. It must be set to | +|| || ``WalletInstanceAttestationRequest`` | ++---------+---------------------------------------+ +|| cnf || This parameter will contain the | +|| || configuration of the Wallet | +|| || Instance in JSON format. Among | +|| || the mandatory attributes there | +|| || will be the jwk parameter | +|| || containing the public key of the | +|| || Wallet Instance. It will also | +|| || contain all the information | +|| || useful for the Wallet Provider | +|| || to verify that the app is genuine. | ++---------+---------------------------------------+ + +Below a non-normative example of the Wallet Instance Attestation +request where the decoded JWS headers and payload are separated by a comma: + +.. code-block:: javascript + + { + "alg": "ES256", + "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c", + "typ": "var+jwt" + } + . + { + "iss": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c", + "sub": "https://wallet-provider.example.org", + "jti": "6ec69324-60a8-4e5b-a697-a766d85790ea", + "type": "WalletInstanceAttestationRequest", + "cnf": { + "jwk": { + "crv": "P-256", + "kty": "EC", + "x": "4HNptI-xr2pjyRJKGMnz4WmdnQD_uJSq4R95Nj98b44", + "y": "LIZnSB39vFJhYgS3k7jXE4r3-CoGFQwZtPBIRqpNlrg", + "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c" + } + }, + "iat": 1686645115, + "exp": 1686652315 + } + +Whose corresponding JWS is verifiable through the public key +of the Wallet Instance present. + + +Format of the Wallet Instance Attestation +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +A JWT was chosen as the format for the Wallet Instance Attestation. +Let's see below the various fields that compose it. + +Header +^^^^^^ + ++-----------------------------------+-----------------------------------+ +| **key** | **value** | ++-----------------------------------+-----------------------------------+ +| alg | Algorithm to verify the token | +| | signature (es. ES256). | ++-----------------------------------+-----------------------------------+ +| kid | Key id used by the Wallet | +| | Provider to sign the attestation. | ++-----------------------------------+-----------------------------------+ +| typ | Media type, in this case we use | +| | the value va+jwt (Verifiable | +| | Assertion JWT). | +| | This parameter is currently | +| | non-standard as it is not yet | +| | registered as `IANA Media | +| | Types `__. | ++-----------------------------------+-----------------------------------+ +| x5c | Array containing the X.509 | +| | certificate (and the entire chain | +| | of certificates) used to certify | +| | the public key of the issuer. | ++-----------------------------------+-----------------------------------+ +| trust_chain | Array containing the JWS of the | +| | trust chain relating to its | +| | issuer (Wallet Provider). | ++-----------------------------------+-----------------------------------+ + +Payload +^^^^^^^ + ++---------------------------+-------------------------------------------+ +| **key** | **value** | ++---------------------------+-------------------------------------------+ +|| iss || The public url of the Wallet | +|| || Instance attestation issuer. See | +|| || the example below in this section. | ++---------------------------+-------------------------------------------+ +|| sub || The public url of the issuer | +|| || concatenated with the thumbprint | +|| || of the JWK of the Wallet Instance | +|| || for which the attestation is | +|| || being issued. | ++---------------------------+-------------------------------------------+ +|| iat || Unix timestamp of attestation | +|| || issuance time. | ++---------------------------+-------------------------------------------+ +|| exp || Unix timestamp regarding the | +|| || expiration date time. | +|| || A good practice to avoid security | +|| || problems is to have a limited | +|| || duration of the attestation. | ++---------------------------+-------------------------------------------+ +|| type || String: | +|| || "WalletInstanceAttestation". | ++---------------------------+-------------------------------------------+ +|| policy_uri || Url to the privacy policy | +|| || of the wallet. | ++---------------------------+-------------------------------------------+ +|| tos_uri || Url to the terms | +|| || of use of the Wallet Provider. | ++---------------------------+-------------------------------------------+ +|| logo_uri || Logo url of the Wallet Provider. | ++---------------------------+-------------------------------------------+ +|| asc || Attested security context: | +|| || Represents a level of "trust" of | +|| || the service containing a Level Of | +|| || Agreement defined in the metadata | +|| || of the Wallet Provider. | ++---------------------------+-------------------------------------------+ +|| cnf || This parameter contains the ``jwk`` | +|| || parameter | +|| || with the public key of the Wallet | +|| || necessary for the holder binding. | ++---------------------------+-------------------------------------------+ +|| authorization_endpoint || URL of the OP's OAuth 2.0 | +|| || Authorization Endpoint. | ++---------------------------+-------------------------------------------+ +|| response_types_supported || JSON array containing a list of | +|| || the OAuth 2.0 response_type values | +|| || that this OP supports. | ++---------------------------+-------------------------------------------+ +|| vp_formats_supported || JSON object containing | +|| || ``jwt_vp_json`` and ``jwt_vc_json`` | +|| || supported algorithms array. | ++---------------------------+-------------------------------------------+ +|| request_object_signing || JSON array containing a list of the | +|| _alg_values_supported || JWS signing algorithms (alg values) | +|| || supported by the OP for Request Objects. | ++---------------------------+-------------------------------------------+ +|| presentation_definition || Boolean value specifying whether the | +|| _uri_supported || Wallet Instance supports the transfer of | +|| || presentation_definition by | +|| || reference, with true indicating support. | ++---------------------------+-------------------------------------------+ + +.. note:: + The claim ``asc`` (Attested Security Context) is under discussion + and must be intended as experimental. + +Signature +^^^^^^^^^ + +The Wallet Instance Attestation JWS is signed using the +private key of the Wallet Provider. + +Below is an example of Wallet Instance Attestation: + +.. code-block:: javascript + + { + "alg": "ES256", + "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY", + "trust_chain": [ + "eyJhbGciOiJFUz...6S0A", + "eyJhbGciOiJFUz...jJLA", + "eyJhbGciOiJFUz...H9gw", + ], + "typ": "va+jwt", + "x5c": ["MIIBjDCC ... XFehgKQA=="] + } + . + { + "iss": "https://wallet-provider.example.org", + "sub": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c", + "type": "WalletInstanceAttestation", + "policy_uri": "https://wallet-provider.example.org/privacy_policy", + "tos_uri": "https://wallet-provider.example.org/info_policy", + "logo_uri": "https://wallet-provider.example.org/logo.svg", + "asc": "https://wallet-provider.example.org/LoA/basic", + "cnf": + { + "jwk": + { + "crv": "P-256", + "kty": "EC", + "x": "4HNptI-xr2pjyRJKGMnz4WmdnQD_uJSq4R95Nj98b44", + "y": "LIZnSB39vFJhYgS3k7jXE4r3-CoGFQwZtPBIRqpNlrg", + "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c" + } + }, + "authorization_endpoint": "eudiw:", + "response_types_supported": [ + "vp_token" + ], + "vp_formats_supported": { + "jwt_vp_json": { + "alg_values_supported": ["ES256"] + }, + "jwt_vc_json": { + "alg_values_supported": ["ES256"] + } + }, + "request_object_signing_alg_values_supported": [ + "ES256" + ], + "presentation_definition_uri_supported": false, + "iat": 1687281195, + "exp": 1687288395 + } + + +Endpoints +~~~~~~~~~ +The Wallet Provider that issues the Wallet Instance Attestations must +make available a series of APIs in REST format that follow the OpenID +Federation standard. + +Metadata +^^^^^^^^ +A **GET /.well-known/openid-federation endpoint** for retrieving the Wallet +Provider Entity Configuration. + +Wallet Instance Attestation +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +A second **POST /token** endpoint that takes two parameters as input: + +``grant_type`` which in our case is a string: +``urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation`` + +``assertion``` which contains the signed JWT of the Wallet Instance Attestation +Request. + +The response will then contain the Wallet Instance Attestation. diff --git a/mdoccbor/en/_sources/wallet-solution.rst.txt b/mdoccbor/en/_sources/wallet-solution.rst.txt new file mode 100644 index 000000000..072d8ed87 --- /dev/null +++ b/mdoccbor/en/_sources/wallet-solution.rst.txt @@ -0,0 +1,77 @@ +.. include:: ../common/common_definitions.rst + +.. _wallet-solution.rst: + +Wallet Solution +------------------- + +The Wallet Solution is a comprehensive product offered by the Wallet Provider to cater to the needs of Users in managing their digital assets securely. Designed to provide a seamless User experience, this solution enables Users to leverage the capabilities of the Wallet effectively. + +Requirements +------------ + + - **Trustworthiness within the Wallet ecosystem**: the Wallet Instance must establish trust and reliability within the Wallet ecosystem. + - **Compliance with Provider specifications for obtaining PID and (Q)EAA**: the Wallet Instance must adhere to the specifications set by Providers for obtaining Personal Identification (PID) and Qualified or non-qualified Electronic Address Authentication (Q)EAA. + - **Support for Android and iOS operating systems**: the Wallet Instance must be compatible and functional at least on both Android and iOS operating systems, as well as available on the Play Store and App Store respectively. + - **Verification of device ownership by the User**: the Wallet Instance must provide a mechanism to verify the User's actual possession of the device and its control. + +Wallet Solution +----------------------------- +The Wallet Solution is issued by the Wallet Provider in the form of a mobile app, it also consists of services and web interfaces for the exchange of data between the Wallet Provider and its Wallet Instances for the requirements of the trust model and in total respect of the user's privacy, in accordance with national and EU legislation. + +The mobile app serves as the primary interface for Users, allowing them to access and interact with their digital assets conveniently. These digital assets, known as Attestations, include Personal Identification Data (PID¹), a set of data that can uniquely identify a natural or a legal person, along with other Qualified and non-qualified Electronic Attestations of Attributes, also known as QEAAs and EAAs respectively, or (Q)EAAs for short¹. Once a User installs the mobile app on their device, we refer to such an installation as a Wallet Instance for the User. + +Supporting the mobile app, the Wallet Provider plays a vital role in ensuring the security and reliability of the Wallet Solution. The Wallet Provider is responsible for issuing the Wallet Instance Attestation — a cryptographic proof that verifies the authenticity and integrity of the Wallet Instance. + +Wallet Instance +----------------------------- +The Wallet Instance serves as a unique and secure representation of the User within the Wallet ecosystem. It establishes a strong and reliable identity for the User, enabling them to engage in various digital transactions in a secure and privacy-preserving manner. + +The Wallet Instance establishes the trust within the Wallet ecosystem by consistently presenting a Wallet Instance Attestation during interactions with other ecosystem actors such as PID Providers, (Q)EAA Providers, and Relying Parties. These attestations, provided by the underlying Wallet Provider operated by the Wallet Provider, reference a pair of asymmetric cryptographic keys exclusively owned by the Wallet Instance. Their purpose is to authenticate the Wallet Instance itself, ensuring its legitimacy when engaging with other ecosystem actors. + +To guarantee the utmost security, these cryptographic keys are securely stored within the device's Trusted Execution Environment (TEE)³. This ensures that only the User can access them, thus preventing unauthorized usage or tampering. For more detailed information, please refer to the `Wallet Instance Attestation section`_ and the `Trust Model section`_ of this document. + +Wallet Instance Lifecycle +----------------------------- +The Wallet Instance can exist in three distinct states: Operational, Valid, and Deactivated. Each state represents a specific functional status and determines the actions that can be performed². + +Initialization Process +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +To activate the Wallet Instance, Users must install the mobile application on their device and open it. Furthermore, Users will be asked to set their preferred method of unlocking their device; this can be accomplished by entering a personal identification number (PIN) or by utilizing biometric authentication, such as fingerprint or facial recognition, according to their personal preferences and device's capabilities. + +After completing these steps, the Wallet Instance is in the Operational state. + +Transition to Valid state +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +To transition from the Operational state to the Valid state, the Wallet Instance must obtain a valid Personal Identification (PID). Once a valid PID is acquired, the Wallet Instance becomes active, enabling secure transaction execution. + +In order to securely and unambiguously identify Users, the Wallet Instance adopts a Level of Assurance (LoA) 3 authentication, which guarantees a high level of confidence in the User's identity. The authentication method is chosen by the PID provider from among the notified eID solutions at the national level. + +Once the Wallet Instance is in the Operational state, Users can: + + - Obtain, view, and manage (Q)EAAs from trusted (Q)EAA Providers¹ + - Authenticate to Relying Parties¹ + - Authorize the sharing of their data with Relying Parties + +Please refer to the relative sections for further information about PID and (Q)EAAs issuance and attestation presentation. + +Return to Operational state +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +A Valid Wallet Instance may revert to the Operational state under specific circumstances. These circumstances include the expiration or revocation of the associated PID by the relevant PID Provider. + +Deactivation +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Users have the ability to deactivate the Wallet Instance voluntarily. This action removes the operational capabilities of the Wallet Instance and sets it to the deactivated state. Deactivation provides Users with control over access and usage according to their preferences. + +External references +------------------- +¹ Definitions are inherited from the EUDI Wallet Architecture and Reference Framework, version 1.1.0 at the time of writing. Please refer to `this page `_ for extended definitions and details. + +² Wallet Instance states adhere to the EUDI Wallet Architecture and Reference Framework, as defined `here `_. + +³ Depending on the device operating system, TEE is defined by `Trusty`_ or `Secure Enclave`_ for Android and iOS devices, respectively. + +.. _Trust Model section: trust.html +.. _Wallet Instance Attestation section: wallet-instance-attestation.html +.. _Trusty: https://source.android.com/docs/security/features/trusty +.. _Secure Enclave: https://support.apple.com/en-gb/guide/security/sec59b0b31ff/web diff --git a/mdoccbor/en/_static/_sphinx_javascript_frameworks_compat.js b/mdoccbor/en/_static/_sphinx_javascript_frameworks_compat.js new file mode 100644 index 000000000..8549469dc --- /dev/null +++ b/mdoccbor/en/_static/_sphinx_javascript_frameworks_compat.js @@ -0,0 +1,134 @@ +/* + * _sphinx_javascript_frameworks_compat.js + * ~~~~~~~~~~ + * + * Compatability shim for jQuery and underscores.js. + * + * WILL BE REMOVED IN Sphinx 6.0 + * xref RemovedInSphinx60Warning + * + */ + +/** + * select a different prefix for underscore + */ +$u = _.noConflict(); + + +/** + * small helper function to urldecode strings + * + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL + */ +jQuery.urldecode = function(x) { + if (!x) { + return x + } + return decodeURIComponent(x.replace(/\+/g, ' ')); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. 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vertical-align: top; +} + +table.indextable ul { + margin-top: 0; + margin-bottom: 0; + list-style-type: none; +} + +table.indextable > tbody > tr > td > ul { + padding-left: 0em; +} + +table.indextable tr.pcap { + height: 10px; +} + +table.indextable tr.cap { + margin-top: 10px; + background-color: #f2f2f2; +} + +img.toggler { + margin-right: 3px; + margin-top: 3px; + cursor: pointer; +} + +div.modindex-jumpbox { + border-top: 1px solid #ddd; + border-bottom: 1px solid #ddd; + margin: 1em 0 1em 0; + padding: 0.4em; +} + +div.genindex-jumpbox { + border-top: 1px solid #ddd; + border-bottom: 1px solid #ddd; + margin: 1em 0 1em 0; + padding: 0.4em; +} + +/* -- domain module index --------------------------------------------------- */ + +table.modindextable td { + padding: 2px; + border-collapse: collapse; +} + +/* -- general body styles --------------------------------------------------- */ + +div.body { + min-width: 360px; + max-width: 800px; +} + +div.body p, div.body dd, div.body li, div.body blockquote { + -moz-hyphens: auto; + -ms-hyphens: auto; + -webkit-hyphens: auto; + hyphens: auto; +} + +a.headerlink { + visibility: hidden; +} + +a.brackets:before, +span.brackets > a:before{ + content: "["; +} + +a.brackets:after, +span.brackets > a:after { + content: "]"; +} + +h1:hover > a.headerlink, +h2:hover > a.headerlink, +h3:hover > a.headerlink, +h4:hover > a.headerlink, +h5:hover > a.headerlink, +h6:hover > a.headerlink, +dt:hover > a.headerlink, +caption:hover > a.headerlink, +p.caption:hover > a.headerlink, +div.code-block-caption:hover > a.headerlink { + visibility: visible; +} + +div.body p.caption { + text-align: inherit; +} + +div.body td { + text-align: left; +} + +.first { + margin-top: 0 !important; +} + +p.rubric { + margin-top: 30px; + font-weight: bold; +} + +img.align-left, figure.align-left, .figure.align-left, object.align-left { + clear: left; + float: left; + margin-right: 1em; +} + +img.align-right, figure.align-right, .figure.align-right, object.align-right { + clear: right; + float: right; + margin-left: 1em; +} + +img.align-center, figure.align-center, .figure.align-center, object.align-center { + display: block; + margin-left: auto; + margin-right: auto; +} + +img.align-default, figure.align-default, .figure.align-default { + display: block; + margin-left: auto; + margin-right: auto; +} + +.align-left { + text-align: left; +} + +.align-center { + text-align: center; +} + +.align-default { + text-align: center; +} + +.align-right { + text-align: right; +} + +/* -- sidebars -------------------------------------------------------------- */ + +div.sidebar, +aside.sidebar { + margin: 0 0 0.5em 1em; + border: 1px solid #ddb; + padding: 7px; + background-color: #ffe; + width: 40%; + float: right; + clear: right; + overflow-x: auto; +} + +p.sidebar-title { + font-weight: bold; +} + +div.admonition, div.topic, aside.topic, blockquote { + clear: left; +} + +/* -- topics ---------------------------------------------------------------- */ + +div.topic, aside.topic { + border: 1px solid #ccc; + padding: 7px; + margin: 10px 0 10px 0; +} + +p.topic-title { + font-size: 1.1em; + font-weight: bold; + margin-top: 10px; +} + +/* -- admonitions ----------------------------------------------------------- */ + +div.admonition { + margin-top: 10px; + margin-bottom: 10px; + padding: 7px; +} + +div.admonition dt { + font-weight: bold; +} + +p.admonition-title { + margin: 0px 10px 5px 0px; + font-weight: bold; +} + +div.body p.centered { + text-align: center; + margin-top: 25px; +} + +/* -- content of sidebars/topics/admonitions -------------------------------- */ + +div.sidebar > :last-child, +aside.sidebar > :last-child, +div.topic > :last-child, +aside.topic > :last-child, +div.admonition > :last-child { + margin-bottom: 0; +} + +div.sidebar::after, +aside.sidebar::after, +div.topic::after, +aside.topic::after, +div.admonition::after, +blockquote::after { + display: block; + content: ''; + clear: both; +} + +/* -- tables ---------------------------------------------------------------- */ + +table.docutils { + margin-top: 10px; + margin-bottom: 10px; + border: 0; + border-collapse: collapse; +} + +table.align-center { + margin-left: auto; + margin-right: auto; +} + +table.align-default { + margin-left: auto; + margin-right: auto; +} + +table caption span.caption-number { + font-style: italic; +} + +table caption span.caption-text { +} + +table.docutils td, table.docutils th { + padding: 1px 8px 1px 5px; + border-top: 0; + border-left: 0; + border-right: 0; + border-bottom: 1px solid #aaa; +} + +th { + text-align: left; + padding-right: 5px; +} + +table.citation { + border-left: solid 1px gray; + margin-left: 1px; +} + +table.citation td { + border-bottom: none; +} + +th > :first-child, +td > :first-child { + margin-top: 0px; +} + +th > :last-child, +td > :last-child { + margin-bottom: 0px; +} + +/* -- figures --------------------------------------------------------------- */ + +div.figure, figure { + margin: 0.5em; + padding: 0.5em; +} + +div.figure p.caption, figcaption { + padding: 0.3em; +} + +div.figure p.caption span.caption-number, +figcaption span.caption-number { + font-style: italic; +} + +div.figure p.caption span.caption-text, +figcaption span.caption-text { +} + +/* -- field list styles ----------------------------------------------------- */ + +table.field-list td, table.field-list th { + border: 0 !important; +} + +.field-list ul { + margin: 0; + padding-left: 1em; +} + +.field-list p { + margin: 0; +} + +.field-name { + -moz-hyphens: manual; + -ms-hyphens: manual; + -webkit-hyphens: manual; + hyphens: manual; +} + +/* -- hlist styles ---------------------------------------------------------- */ + +table.hlist { + margin: 1em 0; +} + +table.hlist td { + vertical-align: top; +} + +/* -- object description styles --------------------------------------------- */ + +.sig { + font-family: 'Consolas', 'Menlo', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospace; +} + +.sig-name, code.descname { + background-color: transparent; + font-weight: bold; +} + +.sig-name { + font-size: 1.1em; +} + +code.descname { + font-size: 1.2em; +} + +.sig-prename, code.descclassname { + background-color: transparent; +} + +.optional { + font-size: 1.3em; +} + +.sig-paren { + font-size: larger; +} + +.sig-param.n { + font-style: italic; +} + +/* C++ specific styling */ + +.sig-inline.c-texpr, +.sig-inline.cpp-texpr { + font-family: unset; +} + +.sig.c .k, .sig.c .kt, +.sig.cpp .k, .sig.cpp .kt { + color: #0033B3; +} + +.sig.c .m, +.sig.cpp .m { + color: #1750EB; +} + +.sig.c .s, .sig.c .sc, +.sig.cpp .s, .sig.cpp .sc { + color: #067D17; +} + + +/* -- other body styles ----------------------------------------------------- */ + +ol.arabic { + list-style: decimal; +} + +ol.loweralpha { + list-style: lower-alpha; +} + +ol.upperalpha { + list-style: upper-alpha; +} + 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> span:last-of-type, +div.citation > span:last-of-type { + padding-right: 0.5em; +} +aside.footnote > p { + margin-left: 2em; +} +div.citation > p { + margin-left: 4em; +} +aside.footnote > p:last-of-type, +div.citation > p:last-of-type { + margin-bottom: 0em; +} +aside.footnote > p:last-of-type:after, +div.citation > p:last-of-type:after { + content: ""; + clear: both; +} + +/* Footnotes & citations ends */ + +dl.field-list { + display: grid; + grid-template-columns: fit-content(30%) auto; +} + +dl.field-list > dt { + font-weight: bold; + word-break: break-word; + padding-left: 0.5em; + padding-right: 5px; +} + +dl.field-list > dt:after { + content: ":"; +} + +dl.field-list > dd { + padding-left: 0.5em; + margin-top: 0em; + margin-left: 0em; + margin-bottom: 0em; +} + +dl { + margin-bottom: 15px; +} + +dd > :first-child { + margin-top: 0px; +} + +dd ul, dd table { + margin-bottom: 10px; +} + +dd { + margin-top: 3px; + margin-bottom: 10px; + margin-left: 30px; +} + +dl > dd:last-child, +dl > dd:last-child > :last-child { + margin-bottom: 0; +} + +dt:target, span.highlighted { + background-color: #fbe54e; +} + +rect.highlighted { + fill: #fbe54e; +} + +dl.glossary dt { + font-weight: bold; + font-size: 1.1em; +} + +.versionmodified { + font-style: italic; +} + +.system-message { + background-color: #fda; + padding: 5px; + border: 3px solid red; +} + +.footnote:target { + background-color: #ffa; +} + +.line-block { + display: block; + margin-top: 1em; + margin-bottom: 1em; +} + +.line-block .line-block { + margin-top: 0; + margin-bottom: 0; + margin-left: 1.5em; +} + +.guilabel, .menuselection { + font-family: sans-serif; +} + +.accelerator { + text-decoration: underline; +} + +.classifier { + font-style: oblique; +} + +.classifier:before { + font-style: normal; + margin: 0 0.5em; + content: ":"; + display: inline-block; +} + +abbr, acronym { + border-bottom: dotted 1px; + cursor: help; +} + +/* -- code displays --------------------------------------------------------- */ + +pre { + overflow: auto; + overflow-y: hidden; /* fixes display issues on Chrome browsers */ +} + +pre, div[class*="highlight-"] { + clear: both; +} + +span.pre { + -moz-hyphens: none; + -ms-hyphens: none; + -webkit-hyphens: none; + hyphens: none; + white-space: nowrap; +} + +div[class*="highlight-"] { + margin: 1em 0; +} + +td.linenos pre { + border: 0; + background-color: transparent; + color: #aaa; +} + +table.highlighttable { + display: block; +} + +table.highlighttable tbody { + display: block; +} + +table.highlighttable tr { + display: flex; +} + +table.highlighttable td { + margin: 0; + padding: 0; +} + +table.highlighttable td.linenos { + padding-right: 0.5em; +} + +table.highlighttable td.code { + flex: 1; + overflow: hidden; +} + +.highlight .hll { + display: block; +} + +div.highlight pre, +table.highlighttable pre { + margin: 0; +} + +div.code-block-caption + div { + margin-top: 0; +} + +div.code-block-caption { + margin-top: 1em; + padding: 2px 5px; + font-size: 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---------------------------------------------------------- */ + +img.math { + vertical-align: middle; +} + +div.body div.math p { + text-align: center; +} + +span.eqno { + float: right; +} + +span.eqno a.headerlink { + position: absolute; + z-index: 1; +} + +div.math:hover a.headerlink { + visibility: visible; +} + +/* -- printout stylesheet --------------------------------------------------- */ + +@media print { + div.document, + div.documentwrapper, + div.bodywrapper { + margin: 0 !important; + width: 100%; + } + + div.sphinxsidebar, + div.related, + div.footer, + #top-link { + display: none; + } +} \ No newline at end of file diff --git a/mdoccbor/en/_static/css/theme.css b/mdoccbor/en/_static/css/theme.css new file mode 100644 index 000000000..6c29bebea --- /dev/null +++ b/mdoccbor/en/_static/css/theme.css @@ -0,0 +1 @@ +@charset "UTF-8";@import url("https://fonts.googleapis.com/css?family=Lora:400,700");@import 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+const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + parent.insertBefore( + span, + parent.insertBefore( + document.createTextNode(val.substr(pos + text.length)), + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const Documentation = { + init: () => { + Documentation.highlightSearchWords(); + Documentation.initDomainIndexTable(); + Documentation.initOnKeyListeners(); + }, + + /** + * i18n support + */ + TRANSLATIONS: {}, + PLURAL_EXPR: (n) => (n === 1 ? 0 : 1), + LOCALE: "unknown", + + // gettext and ngettext don't access this so that the functions + // can safely bound to a different name (_ = Documentation.gettext) + gettext: (string) => { + const translated = Documentation.TRANSLATIONS[string]; + switch (typeof translated) { + case "undefined": + return string; // no translation + case "string": + return translated; // translation exists + default: + return translated[0]; // (singular, plural) translation tuple exists + } + }, + + ngettext: (singular, plural, n) => { + const translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated !== "undefined") + return translated[Documentation.PLURAL_EXPR(n)]; + return n === 1 ? singular : plural; + }, + + addTranslations: (catalog) => { + Object.assign(Documentation.TRANSLATIONS, catalog.messages); + Documentation.PLURAL_EXPR = new Function( + "n", + `return (${catalog.plural_expr})` + ); + Documentation.LOCALE = catalog.locale; + }, + + /** + * highlight the search words provided in the url in the text + */ + highlightSearchWords: () => { + const highlight = + new URLSearchParams(window.location.search).get("highlight") || ""; + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + const url = new URL(window.location); + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + }, + + /** + * helper function to focus on search bar + */ + focusSearchBar: () => { + document.querySelectorAll("input[name=q]")[0]?.focus(); + }, + + /** + * Initialise the domain index toggle buttons + */ + initDomainIndexTable: () => { + const toggler = (el) => { + const idNumber = el.id.substr(7); + const toggledRows = document.querySelectorAll(`tr.cg-${idNumber}`); + if (el.src.substr(-9) === "minus.png") { + el.src = `${el.src.substr(0, el.src.length - 9)}plus.png`; + toggledRows.forEach((el) => (el.style.display = "none")); + } else { + el.src = `${el.src.substr(0, el.src.length - 8)}minus.png`; + toggledRows.forEach((el) => (el.style.display = "")); + } + }; + + const togglerElements = document.querySelectorAll("img.toggler"); + togglerElements.forEach((el) => 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b/mdoccbor/en/_static/images/should_not.svg @@ -0,0 +1,52 @@ + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/mdoccbor/en/_static/images/team-digitale-logo.svg b/mdoccbor/en/_static/images/team-digitale-logo.svg new file mode 100644 index 000000000..fa557011d --- /dev/null +++ b/mdoccbor/en/_static/images/team-digitale-logo.svg @@ -0,0 +1,15 @@ + + + + + + + + + diff --git a/mdoccbor/en/_static/jquery-3.6.0.js b/mdoccbor/en/_static/jquery-3.6.0.js new file mode 100644 index 000000000..fc6c299b7 --- /dev/null +++ b/mdoccbor/en/_static/jquery-3.6.0.js @@ -0,0 +1,10881 @@ +/*! + * jQuery JavaScript Library v3.6.0 + * https://jquery.com/ + * + * Includes Sizzle.js + * https://sizzlejs.com/ + * + * Copyright OpenJS Foundation and other contributors + * Released under the MIT license + * https://jquery.org/license + * + * Date: 2021-03-02T17:08Z + */ +( function( global, factory ) { + + "use strict"; + + if ( typeof module === "object" && typeof module.exports === "object" ) { + + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + +// Pass this if window is not defined yet +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { + +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. +"use strict"; + +var arr = []; + +var getProto = Object.getPrototypeOf; + +var slice = arr.slice; + +var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); +} : function( array ) { + return arr.concat.apply( [], array ); +}; + + +var push = arr.push; + +var indexOf = arr.indexOf; + +var class2type = {}; + +var toString = class2type.toString; + +var hasOwn = class2type.hasOwnProperty; + +var fnToString = hasOwn.toString; + +var ObjectFunctionString = fnToString.call( Object ); + +var support = {}; + +var isFunction = function isFunction( obj ) { + + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 + // Plus for old WebKit, typeof returns "function" for HTML collections + // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) + return typeof obj === "function" && typeof obj.nodeType !== "number" && + typeof obj.item !== "function"; + }; + + +var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; + }; + + +var document = window.document; + + + + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; + + function DOMEval( code, node, doc ) { + doc = doc || document; + + var i, val, + script = doc.createElement( "script" ); + + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { + + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } + + +function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; +} +/* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module + + + +var + version = "3.6.0", + + // Define a local copy of jQuery + jQuery = function( selector, context ) { + + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }; + +jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); + } + + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, + + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, + + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, + + first: function() { + return this.eq( 0 ); + }, + + last: function() { + return this.eq( -1 ); + }, + + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, + + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice +}; + +jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !isFunction( target ) ) { + target = {}; + } + + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } + + for ( ; i < length; i++ ) { + + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { + + // Extend the base object + for ( name in options ) { + copy = options[ name ]; + + // Prevent Object.prototype pollution + // Prevent never-ending loop + if ( name === "__proto__" || target === copy ) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; + + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; + } else { + clone = src; + } + copyIsArray = false; + + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); + + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; + } + } + } + } + + // Return the modified object + return target; +}; + +jQuery.extend( { + + // Unique for each copy of jQuery on the page + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function( msg ) { + throw new Error( msg ); + }, + + noop: function() {}, + + isPlainObject: function( obj ) { + var proto, Ctor; + + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } + + proto = getProto( obj ); + + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } + + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; + }, + + isEmptyObject: function( obj ) { + var name; + + for ( name in obj ) { + return false; + } + return true; + }, + + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); + }, + + each: function( obj, callback ) { + var length, i = 0; + + if ( isArrayLike( obj ) ) { + length = obj.length; + for ( ; i < length; i++ ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } else { + for ( i in obj ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } + + return obj; + }, + + // results is for internal usage only + makeArray: function( arr, results ) { + var ret = results || []; + + if ( arr != null ) { + if ( isArrayLike( Object( arr ) ) ) { + jQuery.merge( ret, + typeof arr === "string" ? + [ arr ] : arr + ); + } else { + push.call( ret, arr ); + } + } + + return ret; + }, + + inArray: function( elem, arr, i ) { + return arr == null ? -1 : indexOf.call( arr, elem, i ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function( first, second ) { + var len = +second.length, + j = 0, + i = first.length; + + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; + } + + first.length = i; + + return first; + }, + + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for ( ; i < length; i++ ) { + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); + } + } + + return matches; + }, + + // arg is for internal usage only + map: function( elems, callback, arg ) { + var length, value, + i = 0, + ret = []; + + // Go through the array, translating each of the items to their new values + if ( isArrayLike( elems ) ) { + length = elems.length; + for ( ; i < length; i++ ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + + // Go through every key on the object, + } else { + for ( i in elems ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + } + + // Flatten any nested arrays + return flat( ret ); + }, + + // A global GUID counter for objects + guid: 1, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support +} ); + +if ( typeof Symbol === "function" ) { + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; +} + +// Populate the class2type map +jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); + +function isArrayLike( obj ) { + + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + var length = !!obj && "length" in obj && obj.length, + type = toType( obj ); + + if ( isFunction( obj ) || isWindow( obj ) ) { + return false; + } + + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && ( length - 1 ) in obj; +} +var Sizzle = +/*! + * Sizzle CSS Selector Engine v2.3.6 + * https://sizzlejs.com/ + * + * Copyright JS Foundation and other contributors + * Released under the MIT license + * https://js.foundation/ + * + * Date: 2021-02-16 + */ +( function( window ) { +var i, + support, + Expr, + getText, + isXML, + tokenize, + compile, + select, + outermostContext, + sortInput, + hasDuplicate, + + // Local document vars + setDocument, + document, + docElem, + documentIsHTML, + rbuggyQSA, + rbuggyMatches, + matches, + contains, + + // Instance-specific data + expando = "sizzle" + 1 * new Date(), + preferredDoc = window.document, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + nonnativeSelectorCache = createCache(), + sortOrder = function( a, b ) { + if ( a === b ) { + hasDuplicate = true; + } + return 0; + }, + + // Instance methods + hasOwn = ( {} ).hasOwnProperty, + arr = [], + pop = arr.pop, + pushNative = arr.push, + push = arr.push, + slice = arr.slice, + + // Use a stripped-down indexOf as it's faster than native + // https://jsperf.com/thor-indexof-vs-for/5 + indexOf = function( list, elem ) { + var i = 0, + len = list.length; + for ( ; i < len; i++ ) { + if ( list[ i ] === elem ) { + return i; + } + } + return -1; + }, + + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + + "ismap|loop|multiple|open|readonly|required|scoped", + + // Regular expressions + + // http://www.w3.org/TR/css3-selectors/#whitespace + whitespace = "[\\x20\\t\\r\\n\\f]", + + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", + + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + + // "Attribute values must be CSS identifiers [capture 5] + // or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", + + pseudos = ":(" + identifier + ")(?:\\((" + + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rwhitespace = new RegExp( whitespace + "+", "g" ), + rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + + whitespace + "+$", "g" ), + + rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), + rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + + "*" ), + rdescend = new RegExp( whitespace + "|>" ), + + rpseudo = new RegExp( pseudos ), + ridentifier = new RegExp( "^" + identifier + "$" ), + + matchExpr = { + "ID": new RegExp( "^#(" + identifier + ")" ), + "CLASS": new RegExp( "^\\.(" + identifier + ")" ), + "TAG": new RegExp( "^(" + identifier + "|[*])" ), + "ATTR": new RegExp( "^" + attributes ), + "PSEUDO": new RegExp( "^" + pseudos ), + "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), + + // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext": new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + }, + + rhtml = /HTML$/i, + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, + + rnative = /^[^{]+\{\s*\[native \w/, + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, + + rsibling = /[+~]/, + + // CSS escapes + // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; + + return nonHex ? + + // Strip the backslash prefix from a non-hex escape sequence + nonHex : + + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + }, + + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, + fcssescape = function( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; + }, + + // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + unloadHandler = function() { + setDocument(); + }, + + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset"; + }, + { dir: "parentNode", next: "legend" } + ); + +// Optimize for push.apply( _, NodeList ) +try { + push.apply( + ( arr = slice.call( preferredDoc.childNodes ) ), + preferredDoc.childNodes + ); + + // Support: Android<4.0 + // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions + arr[ preferredDoc.childNodes.length ].nodeType; +} catch ( e ) { + push = { apply: arr.length ? + + // Leverage slice if possible + function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + } : + + // Support: IE<9 + // Otherwise append directly + function( target, els ) { + var j = target.length, + i = 0; + + // Can't trust NodeList.length + while ( ( target[ j++ ] = els[ i++ ] ) ) {} + target.length = j - 1; + } + }; +} + +function Sizzle( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, + newContext = context && context.ownerDocument, + + // nodeType defaults to 9, since context defaults to document + nodeType = context ? context.nodeType : 9; + + results = results || []; + + // Return early from calls with invalid selector or context + if ( typeof selector !== "string" || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + + return results; + } + + // Try to shortcut find operations (as opposed to filters) in HTML documents + if ( !seed ) { + setDocument( context ); + context = context || document; + + if ( documentIsHTML ) { + + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { + + // ID selector + if ( ( m = match[ 1 ] ) ) { + + // Document context + if ( nodeType === 9 ) { + if ( ( elem = context.getElementById( m ) ) ) { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( elem.id === m ) { + results.push( elem ); + return results; + } + } else { + return results; + } + + // Element context + } else { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( newContext && ( elem = newContext.getElementById( m ) ) && + contains( context, elem ) && + elem.id === m ) { + + results.push( elem ); + return results; + } + } + + // Type selector + } else if ( match[ 2 ] ) { + push.apply( results, context.getElementsByTagName( selector ) ); + return results; + + // Class selector + } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName && + context.getElementsByClassName ) { + + push.apply( results, context.getElementsByClassName( m ) ); + return results; + } + } + + // Take advantage of querySelectorAll + if ( support.qsa && + !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) && + + // Support: IE 8 only + // Exclude object elements + ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) { + + newSelector = selector; + newContext = context; + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) { + + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + if ( newContext !== context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = nid.replace( rcssescape, fcssescape ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } + } + + // Prefix every selector in the list + groups = tokenize( selector ); + i = groups.length; + while ( i-- ) { + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); + } + newSelector = groups.join( "," ); + } + + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); + } + } + } + } + } + + // All others + return select( selector.replace( rtrim, "$1" ), context, results, seed ); +} + +/** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ +function createCache() { + var keys = []; + + function cache( key, value ) { + + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if ( keys.push( key + " " ) > Expr.cacheLength ) { + + // Only keep the most recent entries + delete cache[ keys.shift() ]; + } + return ( cache[ key + " " ] = value ); + } + return cache; +} + +/** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ +function markFunction( fn ) { + fn[ expando ] = true; + return fn; +} + +/** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ +function assert( fn ) { + var el = document.createElement( "fieldset" ); + + try { + return !!fn( el ); + } catch ( e ) { + return false; + } finally { + + // Remove from its parent by default + if ( el.parentNode ) { + el.parentNode.removeChild( el ); + } + + // release memory in IE + el = null; + } +} + +/** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ +function addHandle( attrs, handler ) { + var arr = attrs.split( "|" ), + i = arr.length; + + while ( i-- ) { + Expr.attrHandle[ arr[ i ] ] = handler; + } +} + +/** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ +function siblingCheck( a, b ) { + var cur = b && a, + diff = cur && a.nodeType === 1 && b.nodeType === 1 && + a.sourceIndex - b.sourceIndex; + + // Use IE sourceIndex if available on both nodes + if ( diff ) { + return diff; + } + + // Check if b follows a + if ( cur ) { + while ( ( cur = cur.nextSibling ) ) { + if ( cur === b ) { + return -1; + } + } + } + + return a ? 1 : -1; +} + +/** + * Returns a function to use in pseudos for input types + * @param {String} type + */ +function createInputPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ +function createButtonPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return ( name === "input" || name === "button" ) && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ +function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } + + // Support: IE 6 - 11 + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + /* jshint -W018 */ + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } + + return elem.disabled === disabled; + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } + + // Remaining elements are neither :enabled nor :disabled + return false; + }; +} + +/** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ +function createPositionalPseudo( fn ) { + return markFunction( function( argument ) { + argument = +argument; + return markFunction( function( seed, matches ) { + var j, + matchIndexes = fn( [], seed.length, argument ), + i = matchIndexes.length; + + // Match elements found at the specified indexes + while ( i-- ) { + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); + } + } + } ); + } ); +} + +/** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ +function testContext( context ) { + return context && typeof context.getElementsByTagName !== "undefined" && context; +} + +// Expose support vars for convenience +support = Sizzle.support = {}; + +/** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ +isXML = Sizzle.isXML = function( elem ) { + var namespace = elem && elem.namespaceURI, + docElem = elem && ( elem.ownerDocument || elem ).documentElement; + + // Support: IE <=8 + // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes + // https://bugs.jquery.com/ticket/4833 + return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" ); +}; + +/** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ +setDocument = Sizzle.setDocument = function( node ) { + var hasCompare, subWindow, + doc = node ? node.ownerDocument || node : preferredDoc; + + // Return early if doc is invalid or already selected + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { + return document; + } + + // Update global variables + document = doc; + docElem = document.documentElement; + documentIsHTML = !isXML( document ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 11, Edge + if ( subWindow.addEventListener ) { + subWindow.addEventListener( "unload", unloadHandler, false ); + + // Support: IE 9 - 10 only + } else if ( subWindow.attachEvent ) { + subWindow.attachEvent( "onunload", unloadHandler ); + } + } + + // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only, + // Safari 4 - 5 only, Opera <=11.6 - 12.x only + // IE/Edge & older browsers don't support the :scope pseudo-class. + // Support: Safari 6.0 only + // Safari 6.0 supports :scope but it's an alias of :root there. + support.scope = assert( function( el ) { + docElem.appendChild( el ).appendChild( document.createElement( "div" ) ); + return typeof el.querySelectorAll !== "undefined" && + !el.querySelectorAll( ":scope fieldset div" ).length; + } ); + + /* Attributes + ---------------------------------------------------------------------- */ + + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes = assert( function( el ) { + el.className = "i"; + return !el.getAttribute( "className" ); + } ); + + /* getElement(s)By* + ---------------------------------------------------------------------- */ + + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert( function( el ) { + el.appendChild( document.createComment( "" ) ); + return !el.getElementsByTagName( "*" ).length; + } ); + + // Support: IE<9 + support.getElementsByClassName = rnative.test( document.getElementsByClassName ); + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert( function( el ) { + docElem.appendChild( el ).id = expando; + return !document.getElementsByName || !document.getElementsByName( expando ).length; + } ); + + // ID filter and find + if ( support.getById ) { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + return elem.getAttribute( "id" ) === attrId; + }; + }; + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; + } else { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + var node = typeof elem.getAttributeNode !== "undefined" && + elem.getAttributeNode( "id" ); + return node && node.value === attrId; + }; + }; + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); + + if ( elem ) { + + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } + + return []; + } + }; + } + + // Tag + Expr.find[ "TAG" ] = support.getElementsByTagName ? + function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); + + // DocumentFragment nodes don't have gEBTN + } else if ( support.qsa ) { + return context.querySelectorAll( tag ); + } + } : + + function( tag, context ) { + var elem, + tmp = [], + i = 0, + + // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + results = context.getElementsByTagName( tag ); + + // Filter out possible comments + if ( tag === "*" ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem.nodeType === 1 ) { + tmp.push( elem ); + } + } + + return tmp; + } + return results; + }; + + // Class + Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) { + if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { + return context.getElementsByClassName( className ); + } + }; + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = []; + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See https://bugs.jquery.com/ticket/13378 + rbuggyQSA = []; + + if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) { + + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { + + var input; + + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // https://bugs.jquery.com/ticket/12359 + docElem.appendChild( el ).innerHTML = "" + + ""; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) { + rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + } + + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } + + // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } + + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } + + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } + + // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } + + // Support: Firefox <=3.6 - 5 only + // Old Firefox doesn't throw on a badly-escaped identifier. + el.querySelectorAll( "\\\f" ); + rbuggyQSA.push( "[\\r\\n\\f]" ); + } ); + + assert( function( el ) { + el.innerHTML = "" + + ""; + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if ( el.querySelectorAll( "[name=d]" ).length ) { + rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); + } + + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if ( el.querySelectorAll( ":enabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: IE9-11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + docElem.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: Opera 10 - 11 only + // Opera 10-11 does not throw on post-comma invalid pseudos + el.querySelectorAll( "*,:x" ); + rbuggyQSA.push( ",.*:" ); + } ); + } + + if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector ) ) ) ) { + + assert( function( el ) { + + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call( el, "*" ); + + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call( el, "[s!='']:x" ); + rbuggyMatches.push( "!=", pseudos ); + } ); + } + + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); + rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) ); + + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test( docElem.compareDocumentPosition ); + + // Element contains another + // Purposefully self-exclusive + // As in, an element does not contain itself + contains = hasCompare || rnative.test( docElem.contains ) ? + function( a, b ) { + var adown = a.nodeType === 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a === bup || !!( bup && bup.nodeType === 1 && ( + adown.contains ? + adown.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); + } : + function( a, b ) { + if ( b ) { + while ( ( b = b.parentNode ) ) { + if ( b === a ) { + return true; + } + } + } + return false; + }; + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = hasCompare ? + function( a, b ) { + + // Flag for duplicate removal + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if ( compare ) { + return compare; + } + + // Calculate position if both inputs belong to the same document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? + a.compareDocumentPosition( b ) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if ( compare & 1 || + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { + + // Choose the first element that is related to our preferred document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a == document || a.ownerDocument == preferredDoc && + contains( preferredDoc, a ) ) { + return -1; + } + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b == document || b.ownerDocument == preferredDoc && + contains( preferredDoc, b ) ) { + return 1; + } + + // Maintain original order + return sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + } + + return compare & 4 ? -1 : 1; + } : + function( a, b ) { + + // Exit early if the nodes are identical + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + var cur, + i = 0, + aup = a.parentNode, + bup = b.parentNode, + ap = [ a ], + bp = [ b ]; + + // Parentless nodes are either documents or disconnected + if ( !aup || !bup ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + return a == document ? -1 : + b == document ? 1 : + /* eslint-enable eqeqeq */ + aup ? -1 : + bup ? 1 : + sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + + // If the nodes are siblings, we can do a quick check + } else if ( aup === bup ) { + return siblingCheck( a, b ); + } + + // Otherwise we need full lists of their ancestors for comparison + cur = a; + while ( ( cur = cur.parentNode ) ) { + ap.unshift( cur ); + } + cur = b; + while ( ( cur = cur.parentNode ) ) { + bp.unshift( cur ); + } + + // Walk down the tree looking for a discrepancy + while ( ap[ i ] === bp[ i ] ) { + i++; + } + + return i ? + + // Do a sibling check if the nodes have a common ancestor + siblingCheck( ap[ i ], bp[ i ] ) : + + // Otherwise nodes in our document sort first + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + ap[ i ] == preferredDoc ? -1 : + bp[ i ] == preferredDoc ? 1 : + /* eslint-enable eqeqeq */ + 0; + }; + + return document; +}; + +Sizzle.matches = function( expr, elements ) { + return Sizzle( expr, null, null, elements ); +}; + +Sizzle.matchesSelector = function( elem, expr ) { + setDocument( elem ); + + if ( support.matchesSelector && documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + + try { + var ret = matches.call( elem, expr ); + + // IE 9's matchesSelector returns false on disconnected nodes + if ( ret || support.disconnectedMatch || + + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11 ) { + return ret; + } + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } + } + + return Sizzle( expr, document, null, [ elem ] ).length > 0; +}; + +Sizzle.contains = function( context, elem ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { + setDocument( context ); + } + return contains( context, elem ); +}; + +Sizzle.attr = function( elem, name ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { + setDocument( elem ); + } + + var fn = Expr.attrHandle[ name.toLowerCase() ], + + // Don't get fooled by Object.prototype properties (jQuery #13807) + val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? + fn( elem, name, !documentIsHTML ) : + undefined; + + return val !== undefined ? + val : + support.attributes || !documentIsHTML ? + elem.getAttribute( name ) : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; +}; + +Sizzle.escape = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); +}; + +Sizzle.error = function( msg ) { + throw new Error( "Syntax error, unrecognized expression: " + msg ); +}; + +/** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ +Sizzle.uniqueSort = function( results ) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates; + sortInput = !support.sortStable && results.slice( 0 ); + results.sort( sortOrder ); + + if ( hasDuplicate ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem === results[ i ] ) { + j = duplicates.push( i ); + } + } + while ( j-- ) { + results.splice( duplicates[ j ], 1 ); + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + + return results; +}; + +/** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ +getText = Sizzle.getText = function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if ( !nodeType ) { + + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { + + // Do not traverse comment nodes + ret += getText( node ); + } + } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { + + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if ( typeof elem.textContent === "string" ) { + return elem.textContent; + } else { + + // Traverse its children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + ret += getText( elem ); + } + } + } else if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } + + // Do not include comment or processing instruction nodes + + return ret; +}; + +Expr = Sizzle.selectors = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, + + preFilter: { + "ATTR": function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); + + // Move the given value to match[3] whether quoted or unquoted + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || + match[ 5 ] || "" ).replace( runescape, funescape ); + + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; + } + + return match.slice( 0, 4 ); + }, + + "CHILD": function( match ) { + + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[ 1 ] = match[ 1 ].toLowerCase(); + + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { + + // nth-* requires argument + if ( !match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); + + // other types prohibit arguments + } else if ( match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + return match; + }, + + "PSEUDO": function( match ) { + var excess, + unquoted = !match[ 6 ] && match[ 2 ]; + + if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) { + return null; + } + + // Accept quoted arguments as-is + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; + + // Strip excess characters from unquoted arguments + } else if ( unquoted && rpseudo.test( unquoted ) && + + // Get excess from tokenize (recursively) + ( excess = tokenize( unquoted, true ) ) && + + // advance to the next closing parenthesis + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { + + // excess is a negative index + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice( 0, 3 ); + } + }, + + filter: { + + "TAG": function( nodeNameSelector ) { + var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + return nodeNameSelector === "*" ? + function() { + return true; + } : + function( elem ) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + }; + }, + + "CLASS": function( className ) { + var pattern = classCache[ className + " " ]; + + return pattern || + ( pattern = new RegExp( "(^|" + whitespace + + ")" + className + "(" + whitespace + "|$)" ) ) && classCache( + className, function( elem ) { + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); + }, + + "ATTR": function( name, operator, check ) { + return function( elem ) { + var result = Sizzle.attr( elem, name ); + + if ( result == null ) { + return operator === "!="; + } + if ( !operator ) { + return true; + } + + result += ""; + + /* eslint-disable max-len */ + + return operator === "=" ? result === check : + operator === "!=" ? result !== check : + operator === "^=" ? check && result.indexOf( check ) === 0 : + operator === "*=" ? check && result.indexOf( check ) > -1 : + operator === "$=" ? check && result.slice( -check.length ) === check : + operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : + operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : + false; + /* eslint-enable max-len */ + + }; + }, + + "CHILD": function( type, what, _argument, first, last ) { + var simple = type.slice( 0, 3 ) !== "nth", + forward = type.slice( -4 ) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function( elem ) { + return !!elem.parentNode; + } : + + function( elem, _context, xml ) { + var cache, uniqueCache, outerCache, node, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType, + diff = false; + + if ( parent ) { + + // :(first|last|only)-(child|of-type) + if ( simple ) { + while ( dir ) { + node = elem; + while ( ( node = node[ dir ] ) ) { + if ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) { + + return false; + } + } + + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } + + start = [ forward ? parent.firstChild : parent.lastChild ]; + + // non-xml :nth-child(...) stores cache data on `parent` + if ( forward && useCache ) { + + // Seek `elem` from a previously-cached index + + // ...in a gzip-friendly way + node = parent; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex && cache[ 2 ]; + node = nodeIndex && parent.childNodes[ nodeIndex ]; + + while ( ( node = ++nodeIndex && node && node[ dir ] || + + // Fallback to seeking `elem` from the start + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + // When found, cache indexes on `parent` and break + if ( node.nodeType === 1 && ++diff && node === elem ) { + uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; + break; + } + } + + } else { + + // Use previously-cached element index if available + if ( useCache ) { + + // ...in a gzip-friendly way + node = elem; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex; + } + + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if ( diff === false ) { + + // Use the same loop as above to seek `elem` from the start + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + if ( ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) && + ++diff ) { + + // Cache the index of each encountered element + if ( useCache ) { + outerCache = node[ expando ] || + ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + uniqueCache[ type ] = [ dirruns, diff ]; + } + + if ( node === elem ) { + break; + } + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || ( diff % first === 0 && diff / first >= 0 ); + } + }; + }, + + "PSEUDO": function( pseudo, argument ) { + + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || + Sizzle.error( "unsupported pseudo: " + pseudo ); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if ( fn[ expando ] ) { + return fn( argument ); + } + + // But maintain support for old signatures + if ( fn.length > 1 ) { + args = [ pseudo, pseudo, "", argument ]; + return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? + markFunction( function( seed, matches ) { + var idx, + matched = fn( seed, argument ), + i = matched.length; + while ( i-- ) { + idx = indexOf( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); + } + } ) : + function( elem ) { + return fn( elem, 0, args ); + }; + } + + return fn; + } + }, + + pseudos: { + + // Potentially complex pseudos + "not": markFunction( function( selector ) { + + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile( selector.replace( rtrim, "$1" ) ); + + return matcher[ expando ] ? + markFunction( function( seed, matches, _context, xml ) { + var elem, + unmatched = matcher( seed, null, xml, [] ), + i = seed.length; + + // Match elements unmatched by `matcher` + while ( i-- ) { + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); + } + } + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; + matcher( input, null, xml, results ); + + // Don't keep the element (issue #299) + input[ 0 ] = null; + return !results.pop(); + }; + } ), + + "has": markFunction( function( selector ) { + return function( elem ) { + return Sizzle( selector, elem ).length > 0; + }; + } ), + + "contains": markFunction( function( text ) { + text = text.replace( runescape, funescape ); + return function( elem ) { + return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1; + }; + } ), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang": markFunction( function( lang ) { + + // lang value must be a valid identifier + if ( !ridentifier.test( lang || "" ) ) { + Sizzle.error( "unsupported lang: " + lang ); + } + lang = lang.replace( runescape, funescape ).toLowerCase(); + return function( elem ) { + var elemLang; + do { + if ( ( elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; + } + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); + return false; + }; + } ), + + // Miscellaneous + "target": function( elem ) { + var hash = window.location && window.location.hash; + return hash && hash.slice( 1 ) === elem.id; + }, + + "root": function( elem ) { + return elem === docElem; + }, + + "focus": function( elem ) { + return elem === document.activeElement && + ( !document.hasFocus || document.hasFocus() ) && + !!( elem.type || elem.href || ~elem.tabIndex ); + }, + + // Boolean properties + "enabled": createDisabledPseudo( false ), + "disabled": createDisabledPseudo( true ), + + "checked": function( elem ) { + + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName = elem.nodeName.toLowerCase(); + return ( nodeName === "input" && !!elem.checked ) || + ( nodeName === "option" && !!elem.selected ); + }, + + "selected": function( elem ) { + + // Accessing this property makes selected-by-default + // options in Safari work properly + if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions + elem.parentNode.selectedIndex; + } + + return elem.selected === true; + }, + + // Contents + "empty": function( elem ) { + + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + if ( elem.nodeType < 6 ) { + return false; + } + } + return true; + }, + + "parent": function( elem ) { + return !Expr.pseudos[ "empty" ]( elem ); + }, + + // Element/input types + "header": function( elem ) { + return rheader.test( elem.nodeName ); + }, + + "input": function( elem ) { + return rinputs.test( elem.nodeName ); + }, + + "button": function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === "button" || name === "button"; + }, + + "text": function( elem ) { + var attr; + return elem.nodeName.toLowerCase() === "input" && + elem.type === "text" && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); + }, + + // Position-in-collection + "first": createPositionalPseudo( function() { + return [ 0 ]; + } ), + + "last": createPositionalPseudo( function( _matchIndexes, length ) { + return [ length - 1 ]; + } ), + + "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) { + return [ argument < 0 ? argument + length : argument ]; + } ), + + "even": createPositionalPseudo( function( matchIndexes, length ) { + var i = 0; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "odd": createPositionalPseudo( function( matchIndexes, length ) { + var i = 1; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "lt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? + argument + length : + argument > length ? + length : + argument; + for ( ; --i >= 0; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "gt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? argument + length : argument; + for ( ; ++i < length; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ) + } +}; + +Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ]; + +// Add button/input type pseudos +for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { + Expr.pseudos[ i ] = createInputPseudo( i ); +} +for ( i in { submit: true, reset: true } ) { + Expr.pseudos[ i ] = createButtonPseudo( i ); +} + +// Easy API for creating new setFilters +function setFilters() {} +setFilters.prototype = Expr.filters = Expr.pseudos; +Expr.setFilters = new setFilters(); + +tokenize = Sizzle.tokenize = function( selector, parseOnly ) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[ selector + " " ]; + + if ( cached ) { + return parseOnly ? 0 : cached.slice( 0 ); + } + + soFar = selector; + groups = []; + preFilters = Expr.preFilter; + + while ( soFar ) { + + // Comma and first run + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { + if ( match ) { + + // Don't consume trailing commas as valid + soFar = soFar.slice( match[ 0 ].length ) || soFar; + } + groups.push( ( tokens = [] ) ); + } + + matched = false; + + // Combinators + if ( ( match = rcombinators.exec( soFar ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + + // Cast descendant combinators to space + type: match[ 0 ].replace( rtrim, " " ) + } ); + soFar = soFar.slice( matched.length ); + } + + // Filters + for ( type in Expr.filter ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + type: type, + matches: match + } ); + soFar = soFar.slice( matched.length ); + } + } + + if ( !matched ) { + break; + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly ? + soFar.length : + soFar ? + Sizzle.error( selector ) : + + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); +}; + +function toSelector( tokens ) { + var i = 0, + len = tokens.length, + selector = ""; + for ( ; i < len; i++ ) { + selector += tokens[ i ].value; + } + return selector; +} + +function addCombinator( matcher, combinator, base ) { + var dir = combinator.dir, + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", + doneName = done++; + + return combinator.first ? + + // Check against closest ancestor/preceding element + function( elem, context, xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + return matcher( elem, context, xml ); + } + } + return false; + } : + + // Check against all ancestor/preceding elements + function( elem, context, xml ) { + var oldCache, uniqueCache, outerCache, + newCache = [ dirruns, doneName ]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if ( xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + if ( matcher( elem, context, xml ) ) { + return true; + } + } + } + } else { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ elem.uniqueID ] || + ( outerCache[ elem.uniqueID ] = {} ); + + if ( skip && skip === elem.nodeName.toLowerCase() ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = uniqueCache[ key ] ) && + oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { + + // Assign to newCache so results back-propagate to previous elements + return ( newCache[ 2 ] = oldCache[ 2 ] ); + } else { + + // Reuse newcache so results back-propagate to previous elements + uniqueCache[ key ] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { + return true; + } + } + } + } + } + return false; + }; +} + +function elementMatcher( matchers ) { + return matchers.length > 1 ? + function( elem, context, xml ) { + var i = matchers.length; + while ( i-- ) { + if ( !matchers[ i ]( elem, context, xml ) ) { + return false; + } + } + return true; + } : + matchers[ 0 ]; +} + +function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + Sizzle( selector, contexts[ i ], results ); + } + return results; +} + +function condense( unmatched, map, filter, context, xml ) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; + + for ( ; i < len; i++ ) { + if ( ( elem = unmatched[ i ] ) ) { + if ( !filter || filter( elem, context, xml ) ) { + newUnmatched.push( elem ); + if ( mapped ) { + map.push( i ); + } + } + } + } + + return newUnmatched; +} + +function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { + if ( postFilter && !postFilter[ expando ] ) { + postFilter = setMatcher( postFilter ); + } + if ( postFinder && !postFinder[ expando ] ) { + postFinder = setMatcher( postFinder, postSelector ); + } + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, + preMap = [], + postMap = [], + preexisting = results.length, + + // Get initial elements from seed or context + elems = seed || multipleContexts( + selector || "*", + context.nodeType ? [ context ] : context, + [] + ), + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && ( seed || !selector ) ? + condense( elems, preMap, preFilter, context, xml ) : + elems, + + matcherOut = matcher ? + + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results : + matcherIn; + + // Find primary matches + if ( matcher ) { + matcher( matcherIn, matcherOut, context, xml ); + } + + // Apply postFilter + if ( postFilter ) { + temp = condense( matcherOut, postMap ); + postFilter( temp, [], context, xml ); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while ( i-- ) { + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); + } + } + } + + if ( seed ) { + if ( postFinder || preFilter ) { + if ( postFinder ) { + + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) ) { + + // Restore matcherIn since elem is not yet a final match + temp.push( ( matcherIn[ i ] = elem ) ); + } + } + postFinder( null, ( matcherOut = [] ), temp, xml ); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) { + + seed[ temp ] = !( results[ temp ] = elem ); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice( preexisting, matcherOut.length ) : + matcherOut + ); + if ( postFinder ) { + postFinder( null, results, matcherOut, xml ); + } else { + push.apply( results, matcherOut ); + } + } + } ); +} + +function matcherFromTokens( tokens ) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator( function( elem ) { + return elem === checkContext; + }, implicitRelative, true ), + matchAnyContext = addCombinator( function( elem ) { + return indexOf( checkContext, elem ) > -1; + }, implicitRelative, true ), + matchers = [ function( elem, context, xml ) { + var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( + ( checkContext = context ).nodeType ? + matchContext( elem, context, xml ) : + matchAnyContext( elem, context, xml ) ); + + // Avoid hanging onto element (issue #299) + checkContext = null; + return ret; + } ]; + + for ( ; i < len; i++ ) { + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; + } else { + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); + + // Return special upon seeing a positional matcher + if ( matcher[ expando ] ) { + + // Find the next relative operator (if any) for proper handling + j = ++i; + for ( ; j < len; j++ ) { + if ( Expr.relative[ tokens[ j ].type ] ) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher( matchers ), + i > 1 && toSelector( + + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens + .slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrim, "$1" ), + matcher, + i < j && matcherFromTokens( tokens.slice( i, j ) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), + j < len && toSelector( tokens ) + ); + } + matchers.push( matcher ); + } + } + + return elementMatcher( matchers ); +} + +function matcherFromGroupMatchers( elementMatchers, setMatchers ) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function( seed, context, xml, results, outermost ) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, + + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ), + + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), + len = elems.length; + + if ( outermost ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; + } + + // Add elements passing elementMatchers directly to results + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { + if ( byElement && elem ) { + j = 0; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { + setDocument( elem ); + xml = !documentIsHTML; + } + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + results.push( elem ); + break; + } + } + if ( outermost ) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if ( bySet ) { + + // They will have gone through all possible matchers + if ( ( elem = !matcher && elem ) ) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if ( seed ) { + unmatched.push( elem ); + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i; + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if ( bySet && i !== matchedCount ) { + j = 0; + while ( ( matcher = setMatchers[ j++ ] ) ) { + matcher( unmatched, setMatched, context, xml ); + } + + if ( seed ) { + + // Reintegrate element matches to eliminate the need for sorting + if ( matchedCount > 0 ) { + while ( i-- ) { + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense( setMatched ); + } + + // Add matches to results + push.apply( results, setMatched ); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if ( outermost && !seed && setMatched.length > 0 && + ( matchedCount + setMatchers.length ) > 1 ) { + + Sizzle.uniqueSort( results ); + } + } + + // Override manipulation of globals by nested matchers + if ( outermost ) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction( superMatcher ) : + superMatcher; +} + +compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[ selector + " " ]; + + if ( !cached ) { + + // Generate a function of recursive functions that can be used to check each element + if ( !match ) { + match = tokenize( selector ); + } + i = match.length; + while ( i-- ) { + cached = matcherFromTokens( match[ i ] ); + if ( cached[ expando ] ) { + setMatchers.push( cached ); + } else { + elementMatchers.push( cached ); + } + } + + // Cache the compiled function + cached = compilerCache( + selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) + ); + + // Save selector and tokenization + cached.selector = selector; + } + return cached; +}; + +/** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ +select = Sizzle.select = function( selector, context, results, seed ) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); + + results = results || []; + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if ( match.length === 1 ) { + + // Reduce context if the leading compound selector is an ID + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { + + context = ( Expr.find[ "ID" ]( token.matches[ 0 ] + .replace( runescape, funescape ), context ) || [] )[ 0 ]; + if ( !context ) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if ( compiled ) { + context = context.parentNode; + } + + selector = selector.slice( tokens.shift().value.length ); + } + + // Fetch a seed set for right-to-left matching + i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[ i ]; + + // Abort if we hit a combinator + if ( Expr.relative[ ( type = token.type ) ] ) { + break; + } + if ( ( find = Expr.find[ type ] ) ) { + + // Search, expanding context for leading sibling combinators + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) || + context + ) ) ) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice( i, 1 ); + selector = seed.length && toSelector( tokens ); + if ( !selector ) { + push.apply( results, seed ); + return results; + } + + break; + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + ( compiled || compile( selector, match ) )( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test( selector ) && testContext( context.parentNode ) || context + ); + return results; +}; + +// One-time assignments + +// Sort stability +support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; + +// Support: Chrome 14-35+ +// Always assume duplicates if they aren't passed to the comparison function +support.detectDuplicates = !!hasDuplicate; + +// Initialize against the default document +setDocument(); + +// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) +// Detached nodes confoundingly follow *each other* +support.sortDetached = assert( function( el ) { + + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; +} ); + +// Support: IE<8 +// Prevent attribute/property "interpolation" +// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx +if ( !assert( function( el ) { + el.innerHTML = ""; + return el.firstChild.getAttribute( "href" ) === "#"; +} ) ) { + addHandle( "type|href|height|width", function( elem, name, isXML ) { + if ( !isXML ) { + return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); + } + } ); +} + +// Support: IE<9 +// Use defaultValue in place of getAttribute("value") +if ( !support.attributes || !assert( function( el ) { + el.innerHTML = ""; + el.firstChild.setAttribute( "value", "" ); + return el.firstChild.getAttribute( "value" ) === ""; +} ) ) { + addHandle( "value", function( elem, _name, isXML ) { + if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { + return elem.defaultValue; + } + } ); +} + +// Support: IE<9 +// Use getAttributeNode to fetch booleans when getAttribute lies +if ( !assert( function( el ) { + return el.getAttribute( "disabled" ) == null; +} ) ) { + addHandle( booleans, function( elem, name, isXML ) { + var val; + if ( !isXML ) { + return elem[ name ] === true ? name.toLowerCase() : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; + } + } ); +} + +return Sizzle; + +} )( window ); + + + +jQuery.find = Sizzle; +jQuery.expr = Sizzle.selectors; + +// Deprecated +jQuery.expr[ ":" ] = jQuery.expr.pseudos; +jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; +jQuery.text = Sizzle.getText; +jQuery.isXMLDoc = Sizzle.isXML; +jQuery.contains = Sizzle.contains; +jQuery.escapeSelector = Sizzle.escape; + + + + +var dir = function( elem, dir, until ) { + var matched = [], + truncate = until !== undefined; + + while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { + if ( elem.nodeType === 1 ) { + if ( truncate && jQuery( elem ).is( until ) ) { + break; + } + matched.push( elem ); + } + } + return matched; +}; + + +var siblings = function( n, elem ) { + var matched = []; + + for ( ; n; n = n.nextSibling ) { + if ( n.nodeType === 1 && n !== elem ) { + matched.push( n ); + } + } + + return matched; +}; + + +var rneedsContext = jQuery.expr.match.needsContext; + + + +function nodeName( elem, name ) { + + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + +} +var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); + + + +// Implement the identical functionality for filter and not +function winnow( elements, qualifier, not ) { + if ( isFunction( qualifier ) ) { + return jQuery.grep( elements, function( elem, i ) { + return !!qualifier.call( elem, i, elem ) !== not; + } ); + } + + // Single element + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + } ); + } + + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); + } + + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); +} + +jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; + } + + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; + } + + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); +}; + +jQuery.fn.extend( { + find: function( selector ) { + var i, ret, + len = this.length, + self = this; + + if ( typeof selector !== "string" ) { + return this.pushStack( jQuery( selector ).filter( function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( self[ i ], this ) ) { + return true; + } + } + } ) ); + } + + ret = this.pushStack( [] ); + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); + } + + return len > 1 ? jQuery.uniqueSort( ret ) : ret; + }, + filter: function( selector ) { + return this.pushStack( winnow( this, selector || [], false ) ); + }, + not: function( selector ) { + return this.pushStack( winnow( this, selector || [], true ) ); + }, + is: function( selector ) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; + } +} ); + + +// Initialize a jQuery object + + +// A central reference to the root jQuery(document) +var rootjQuery, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, + + init = jQuery.fn.init = function( selector, context, root ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery; + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && + selector.length >= 3 ) { + + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [ null, selector, null ]; + + } else { + match = rquickExpr.exec( selector ); + } + + // Match html or make sure no context is specified for #id + if ( match && ( match[ 1 ] || !context ) ) { + + // HANDLE: $(html) -> $(array) + if ( match[ 1 ] ) { + context = context instanceof jQuery ? context[ 0 ] : context; + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge( this, jQuery.parseHTML( + match[ 1 ], + context && context.nodeType ? context.ownerDocument || context : document, + true + ) ); + + // HANDLE: $(html, props) + if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { + for ( match in context ) { + + // Properties of context are called as methods if possible + if ( isFunction( this[ match ] ) ) { + this[ match ]( context[ match ] ); + + // ...and otherwise set as attributes + } else { + this.attr( match, context[ match ] ); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById( match[ 2 ] ); + + if ( elem ) { + + // Inject the element directly into the jQuery object + this[ 0 ] = elem; + this.length = 1; + } + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || root ).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor( context ).find( selector ); + } + + // HANDLE: $(DOMElement) + } else if ( selector.nodeType ) { + this[ 0 ] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? + root.ready( selector ) : + + // Execute immediately if ready is not present + selector( jQuery ); + } + + return jQuery.makeArray( selector, this ); + }; + +// Give the init function the jQuery prototype for later instantiation +init.prototype = jQuery.fn; + +// Initialize central reference +rootjQuery = jQuery( document ); + + +var rparentsprev = /^(?:parents|prev(?:Until|All))/, + + // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + +jQuery.fn.extend( { + has: function( target ) { + var targets = jQuery( target, this ), + l = targets.length; + + return this.filter( function() { + var i = 0; + for ( ; i < l; i++ ) { + if ( jQuery.contains( this, targets[ i ] ) ) { + return true; + } + } + } ); + }, + + closest: function( selectors, context ) { + var cur, + i = 0, + l = this.length, + matched = [], + targets = typeof selectors !== "string" && jQuery( selectors ); + + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : + + // Don't pass non-elements to Sizzle + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { + + matched.push( cur ); + break; + } + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); + }, + + // Determine the position of an element within the set + index: function( elem ) { + + // No argument, return index in parent + if ( !elem ) { + return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; + } + + // Index in selector + if ( typeof elem === "string" ) { + return indexOf.call( jQuery( elem ), this[ 0 ] ); + } + + // Locate the position of the desired element + return indexOf.call( this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[ 0 ] : elem + ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge( this.get(), jQuery( selector, context ) ) + ) + ); + }, + + addBack: function( selector ) { + return this.add( selector == null ? + this.prevObject : this.prevObject.filter( selector ) + ); + } +} ); + +function sibling( cur, dir ) { + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} + return cur; +} + +jQuery.each( { + parent: function( elem ) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function( elem ) { + return dir( elem, "parentNode" ); + }, + parentsUntil: function( elem, _i, until ) { + return dir( elem, "parentNode", until ); + }, + next: function( elem ) { + return sibling( elem, "nextSibling" ); + }, + prev: function( elem ) { + return sibling( elem, "previousSibling" ); + }, + nextAll: function( elem ) { + return dir( elem, "nextSibling" ); + }, + prevAll: function( elem ) { + return dir( elem, "previousSibling" ); + }, + nextUntil: function( elem, _i, until ) { + return dir( elem, "nextSibling", until ); + }, + prevUntil: function( elem, _i, until ) { + return dir( elem, "previousSibling", until ); + }, + siblings: function( elem ) { + return siblings( ( elem.parentNode || {} ).firstChild, elem ); + }, + children: function( elem ) { + return siblings( elem.firstChild ); + }, + contents: function( elem ) { + if ( elem.contentDocument != null && + + // Support: IE 11+ + // elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); + } +}, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var matched = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + matched = jQuery.filter( selector, matched ); + } + + if ( this.length > 1 ) { + + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + jQuery.uniqueSort( matched ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + matched.reverse(); + } + } + + return this.pushStack( matched ); + }; +} ); +var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); + + + +// Convert String-formatted options into Object-formatted ones +function createOptions( options ) { + var object = {}; + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { + object[ flag ] = true; + } ); + return object; +} + +/* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ +jQuery.Callbacks = function( options ) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + createOptions( options ) : + jQuery.extend( {}, options ); + + var // Flag to know if list is currently firing + firing, + + // Last fire value for non-forgettable lists + memory, + + // Flag to know if list was already fired + fired, + + // Flag to prevent firing + locked, + + // Actual callback list + list = [], + + // Queue of execution data for repeatable lists + queue = [], + + // Index of currently firing callback (modified by add/remove as needed) + firingIndex = -1, + + // Fire callbacks + fire = function() { + + // Enforce single-firing + locked = locked || options.once; + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true; + for ( ; queue.length; firingIndex = -1 ) { + memory = queue.shift(); + while ( ++firingIndex < list.length ) { + + // Run callback and check for early termination + if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && + options.stopOnFalse ) { + + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length; + memory = false; + } + } + } + + // Forget the data if we're done with it + if ( !options.memory ) { + memory = false; + } + + firing = false; + + // Clean up if we're done firing for good + if ( locked ) { + + // Keep an empty list if we have data for future add calls + if ( memory ) { + list = []; + + // Otherwise, this object is spent + } else { + list = ""; + } + } + }, + + // Actual Callbacks object + self = { + + // Add a callback or a collection of callbacks to the list + add: function() { + if ( list ) { + + // If we have memory from a past run, we should fire after adding + if ( memory && !firing ) { + firingIndex = list.length - 1; + queue.push( memory ); + } + + ( function add( args ) { + jQuery.each( args, function( _, arg ) { + if ( isFunction( arg ) ) { + if ( !options.unique || !self.has( arg ) ) { + list.push( arg ); + } + } else if ( arg && arg.length && toType( arg ) !== "string" ) { + + // Inspect recursively + add( arg ); + } + } ); + } )( arguments ); + + if ( memory && !firing ) { + fire(); + } + } + return this; + }, + + // Remove a callback from the list + remove: function() { + jQuery.each( arguments, function( _, arg ) { + var index; + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + list.splice( index, 1 ); + + // Handle firing indexes + if ( index <= firingIndex ) { + firingIndex--; + } + } + } ); + return this; + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function( fn ) { + return fn ? + jQuery.inArray( fn, list ) > -1 : + list.length > 0; + }, + + // Remove all callbacks from the list + empty: function() { + if ( list ) { + list = []; + } + return this; + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function() { + locked = queue = []; + list = memory = ""; + return this; + }, + disabled: function() { + return !list; + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function() { + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; + } + return this; + }, + locked: function() { + return !!locked; + }, + + // Call all callbacks with the given context and arguments + fireWith: function( context, args ) { + if ( !locked ) { + args = args || []; + args = [ context, args.slice ? args.slice() : args ]; + queue.push( args ); + if ( !firing ) { + fire(); + } + } + return this; + }, + + // Call all the callbacks with the given arguments + fire: function() { + self.fireWith( this, arguments ); + return this; + }, + + // To know if the callbacks have already been called at least once + fired: function() { + return !!fired; + } + }; + + return self; +}; + + +function Identity( v ) { + return v; +} +function Thrower( ex ) { + throw ex; +} + +function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } +} + +jQuery.extend( { + + Deferred: function( func ) { + var tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] + ], + state = "pending", + promise = { + state: function() { + return state; + }, + always: function() { + deferred.done( arguments ).fail( arguments ); + return this; + }, + "catch": function( fn ) { + return promise.then( null, fn ); + }, + + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[ tuple[ 1 ] ]( function() { + var returned = fn && fn.apply( this, arguments ); + if ( returned && isFunction( returned.promise ) ) { + returned.promise() + .progress( newDefer.notify ) + .done( newDefer.resolve ) + .fail( newDefer.reject ); + } else { + newDefer[ tuple[ 0 ] + "With" ]( + this, + fn ? [ returned ] : arguments + ); + } + } ); + } ); + fns = null; + } ).promise(); + }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.stackTrace ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the stack, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getStackHook ) { + process.stackTrace = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function( obj ) { + return obj != null ? jQuery.extend( obj, promise ) : promise; + } + }, + deferred = {}; + + // Add list-specific methods + jQuery.each( tuples, function( i, tuple ) { + var list = tuple[ 2 ], + stateString = tuple[ 5 ]; + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[ tuple[ 1 ] ] = list.add; + + // Handle state + if ( stateString ) { + list.add( + function() { + + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[ tuple[ 0 ] ] = function() { + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); + return this; + }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[ tuple[ 0 ] + "With" ] = list.fireWith; + } ); + + // Make the deferred a promise + promise.promise( deferred ); + + // Call given func if any + if ( func ) { + func.call( deferred, deferred ); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), + resolveValues = slice.call( arguments ), + + // the primary Deferred + primary = jQuery.Deferred(), + + // subordinate callback factory + updateFunc = function( i ) { + return function( value ) { + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + primary.resolveWith( resolveContexts, resolveValues ); + } + }; + }; + + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, + !remaining ); + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( primary.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return primary.then(); + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); + } + + return primary.promise(); + } +} ); + + +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. +var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + +jQuery.Deferred.exceptionHook = function( error, stack ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); + } +}; + + + + +jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); +}; + + + + +// The deferred used on DOM ready +var readyList = jQuery.Deferred(); + +jQuery.fn.ready = function( fn ) { + + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); + + return this; +}; + +jQuery.extend( { + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function( wait ) { + + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); + } +} ); + +jQuery.ready.then = readyList.then; + +// The ready event handler and self cleanup method +function completed() { + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); +} + +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon +if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { + + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); + +} else { + + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); +} + + + + +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function +var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; + + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !isFunction( value ) ) { + raw = true; + } + + if ( bulk ) { + + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } + + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); + } + } + } + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; +}; + + +// Matches dashed string for camelizing +var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; + +// Used by camelCase as callback to replace() +function fcamelCase( _all, letter ) { + return letter.toUpperCase(); +} + +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (#9572) +function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); +} +var acceptData = function( owner ) { + + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); +}; + + + + +function Data() { + this.expando = jQuery.expando + Data.uid++; +} + +Data.uid = 1; + +Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see #8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } +}; +var dataPriv = new Data(); + +var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + +var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /[A-Z]/g; + +function getData( data ) { + if ( data === "true" ) { + return true; + } + + if ( data === "false" ) { + return false; + } + + if ( data === "null" ) { + return null; + } + + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } + + if ( rbrace.test( data ) ) { + return JSON.parse( data ); + } + + return data; +} + +function dataAttr( elem, key, data ) { + var name; + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); + + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} + + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); + } else { + data = undefined; + } + } + return data; +} + +jQuery.extend( { + hasData: function( elem ) { + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); + }, + + data: function( elem, name, data ) { + return dataUser.access( elem, name, data ); + }, + + removeData: function( elem, name ) { + dataUser.remove( elem, name ); + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function( elem, name, data ) { + return dataPriv.access( elem, name, data ); + }, + + _removeData: function( elem, name ) { + dataPriv.remove( elem, name ); + } +} ); + +jQuery.fn.extend( { + data: function( key, value ) { + var i, name, data, + elem = this[ 0 ], + attrs = elem && elem.attributes; + + // Gets all values + if ( key === undefined ) { + if ( this.length ) { + data = dataUser.get( elem ); + + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { + i = attrs.length; + while ( i-- ) { + + // Support: IE 11 only + // The attrs elements can be null (#14894) + if ( attrs[ i ] ) { + name = attrs[ i ].name; + if ( name.indexOf( "data-" ) === 0 ) { + name = camelCase( name.slice( 5 ) ); + dataAttr( elem, name, data[ name ] ); + } + } + } + dataPriv.set( elem, "hasDataAttrs", true ); + } + } + + return data; + } + + // Sets multiple values + if ( typeof key === "object" ) { + return this.each( function() { + dataUser.set( this, key ); + } ); + } + + return access( this, function( value ) { + var data; + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... + this.each( function() { + + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); + }, + + removeData: function( key ) { + return this.each( function() { + dataUser.remove( this, key ); + } ); + } +} ); + + +jQuery.extend( { + queue: function( elem, type, data ) { + var queue; + + if ( elem ) { + type = ( type || "fx" ) + "queue"; + queue = dataPriv.get( elem, type ); + + // Speed up dequeue by getting out quickly if this is just a lookup + if ( data ) { + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); + } else { + queue.push( data ); + } + } + return queue || []; + } + }, + + dequeue: function( elem, type ) { + type = type || "fx"; + + var queue = jQuery.queue( elem, type ), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if ( fn === "inprogress" ) { + fn = queue.shift(); + startLength--; + } + + if ( fn ) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if ( type === "fx" ) { + queue.unshift( "inprogress" ); + } + + // Clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); + } + + if ( !startLength && hooks ) { + hooks.empty.fire(); + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { + empty: jQuery.Callbacks( "once memory" ).add( function() { + dataPriv.remove( elem, [ type + "queue", key ] ); + } ) + } ); + } +} ); + +jQuery.fn.extend( { + queue: function( type, data ) { + var setter = 2; + + if ( typeof type !== "string" ) { + data = type; + type = "fx"; + setter--; + } + + if ( arguments.length < setter ) { + return jQuery.queue( this[ 0 ], type ); + } + + return data === undefined ? + this : + this.each( function() { + var queue = jQuery.queue( this, type, data ); + + // Ensure a hooks for this queue + jQuery._queueHooks( this, type ); + + if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { + jQuery.dequeue( this, type ); + } + } ); + }, + dequeue: function( type ) { + return this.each( function() { + jQuery.dequeue( this, type ); + } ); + }, + clearQueue: function( type ) { + return this.queue( type || "fx", [] ); + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function( type, obj ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + + if ( typeof type !== "string" ) { + obj = type; + type = undefined; + } + type = type || "fx"; + + while ( i-- ) { + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); + if ( tmp && tmp.empty ) { + count++; + tmp.empty.add( resolve ); + } + } + resolve(); + return defer.promise( obj ); + } +} ); +var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; + +var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); + + +var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; + +var documentElement = document.documentElement; + + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } +var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; + }; + + + +function adjustCSS( elem, prop, valueParts, tween ) { + var adjusted, scale, + maxIterations = 20, + currentValue = tween ? + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, + initial = currentValue(), + unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + + // Starting value computation is required for potential unit mismatches + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + rcssNum.exec( jQuery.css( elem, prop ) ); + + if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[ 3 ]; + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1; + + while ( maxIterations-- ) { + + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; + + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; + } + + if ( valueParts ) { + initialInUnit = +initialInUnit || +initial || 0; + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[ 1 ] ? + initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : + +valueParts[ 2 ]; + if ( tween ) { + tween.unit = unit; + tween.start = initialInUnit; + tween.end = adjusted; + } + } + return adjusted; +} + + +var defaultDisplayMap = {}; + +function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; +} + +function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; + } + + display = elem.style.display; + if ( show ) { + + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } + } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; + + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } + + return elements; +} + +jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } +} ); +var rcheckableType = ( /^(?:checkbox|radio)$/i ); + +var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); + +var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); + + + +( function() { + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), + input = document.createElement( "input" ); + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (#11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (#14901) + input.setAttribute( "type", "radio" ); + input.setAttribute( "checked", "checked" ); + input.setAttribute( "name", "t" ); + + div.appendChild( input ); + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // Support: IE <=9 only + // IE <=9 replaces "; + support.option = !!div.lastChild; +} )(); + + +// We have to close these tags to support XHTML (#13200) +var wrapMap = { + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. + thead: [ 1, "", "
" ], + col: [ 2, "", "
" ], + tr: [ 2, "", "
" ], + td: [ 3, "", "
" ], + + _default: [ 0, "", "" ] +}; + +wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; +wrapMap.th = wrapMap.td; + +// Support: IE <=9 only +if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "" ]; +} + + +function getAll( context, tag ) { + + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (#15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; + } + + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; +} + + +// Mark scripts as having already been evaluated +function setGlobalEval( elems, refElements ) { + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], + "globalEval", + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) + ); + } +} + + +var rhtml = /<|&#?\w+;/; + +function buildFragment( elems, context, scripts, selection, ignored ) { + var elem, tmp, tag, wrap, attached, j, + fragment = context.createDocumentFragment(), + nodes = [], + i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( toType( elem ) === "object" ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); + + // Deserialize a standard representation + tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; + tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; + + // Descend through wrappers to the right content + j = wrap[ 0 ]; + while ( j-- ) { + tmp = tmp.lastChild; + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, tmp.childNodes ); + + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (#12392) + tmp.textContent = ""; + } + } + } + + // Remove wrapper from fragment + fragment.textContent = ""; + + i = 0; + while ( ( elem = nodes[ i++ ] ) ) { + + // Skip elements already in the context collection (trac-4087) + if ( selection && jQuery.inArray( elem, selection ) > -1 ) { + if ( ignored ) { + ignored.push( elem ); + } + continue; + } + + attached = isAttached( elem ); + + // Append to fragment + tmp = getAll( fragment.appendChild( elem ), "script" ); + + // Preserve script evaluation history + if ( attached ) { + setGlobalEval( tmp ); + } + + // Capture executables + if ( scripts ) { + j = 0; + while ( ( elem = tmp[ j++ ] ) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } + } + + return fragment; +} + + +var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; + +function returnTrue() { + return true; +} + +function returnFalse() { + return false; +} + +// Support: IE <=9 - 11+ +// focus() and blur() are asynchronous, except when they are no-op. +// So expect focus to be synchronous when the element is already active, +// and blur to be synchronous when the element is not already active. +// (focus and blur are always synchronous in other supported browsers, +// this just defines when we can count on it). +function expectSync( elem, type ) { + return ( elem === safeActiveElement() ) === ( type === "focus" ); +} + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} + +function on( elem, types, selector, data, fn, one ) { + var origFn, type; + + // Types can be a map of types/handlers + if ( typeof types === "object" ) { + + // ( types-Object, selector, data ) + if ( typeof selector !== "string" ) { + + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for ( type in types ) { + on( elem, type, selector, data, types[ type ], one ); + } + return elem; + } + + if ( data == null && fn == null ) { + + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if ( fn == null ) { + if ( typeof selector === "string" ) { + + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if ( fn === false ) { + fn = returnFalse; + } else if ( !fn ) { + return elem; + } + + if ( one === 1 ) { + origFn = fn; + fn = function( event ) { + + // Can use an empty set, since event contains the info + jQuery().off( event ); + return origFn.apply( this, arguments ); + }; + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); + } + return elem.each( function() { + jQuery.event.add( this, types, fn, data, selector ); + } ); +} + +/* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ +jQuery.event = { + + global: {}, + + add: function( elem, types, handler, data, selector ) { + + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if ( !( events = elemData.events ) ) { + events = elemData.events = Object.create( null ); + } + if ( !( eventHandle = elemData.handle ) ) { + eventHandle = elemData.handle = function( e ) { + + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; + }; + } + + // Handle multiple events separated by a space + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; + + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend( { + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test( selector ), + namespace: namespaces.join( "." ) + }, handleObjIn ); + + // Init the event handler queue if we're the first + if ( !( handlers = events[ type ] ) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener if the special events handler returns false + if ( !special.setup || + special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle ); + } + } + } + + if ( special.add ) { + special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if ( selector ) { + handlers.splice( handlers.delegateCount++, 0, handleObj ); + } else { + handlers.push( handleObj ); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[ type ] = true; + } + + }, + + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); + + if ( !elemData || !( events = elemData.events ) ) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // Unbind all events (on this namespace, if provided) for the element + if ( !type ) { + for ( type in events ) { + jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); + } + continue; + } + + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[ 2 ] && + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); + + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; + + if ( ( mappedTypes || origType === handleObj.origType ) && + ( !handler || handler.guid === handleObj.guid ) && + ( !tmp || tmp.test( handleObj.namespace ) ) && + ( !selector || selector === handleObj.selector || + selector === "**" && handleObj.selector ) ) { + handlers.splice( j, 1 ); + + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if ( origCount && !handlers.length ) { + if ( !special.teardown || + special.teardown.call( elem, namespaces, elemData.handle ) === false ) { + + jQuery.removeEvent( elem, type, elemData.handle ); + } + + delete events[ type ]; + } + } + + // Remove data and the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + dataPriv.remove( elem, "handle events" ); + } + }, + + dispatch: function( nativeEvent ) { + + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), + + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; + + j = 0; + while ( ( handleObj = matched.handlers[ j++ ] ) && + !event.isImmediatePropagationStopped() ) { + + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || + handleObj.handler ).apply( matched.elem, args ); + + if ( ret !== undefined ) { + if ( ( event.result = ret ) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); + } + + return event.result; + }, + + handlers: function( event, handlers ) { + var i, handleObj, sel, matchedHandlers, matchedSelectors, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + if ( delegateCount && + + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; + + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? + jQuery( sel, this ).index( cur ) > -1 : + jQuery.find( sel, this, null, [ cur ] ).length; + } + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); + } + } + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); + } + } + } + } + + // Add the remaining (directly-bound) handlers + cur = this; + if ( delegateCount < handlers.length ) { + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); + } + + return handlerQueue; + }, + + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, + + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, + + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); + } + } ); + }, + + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); + }, + + special: { + load: { + + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { + + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", returnTrue ); + } + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + leverageNative( el, "click" ); + } + + // Return non-false to allow normal event-path propagation + return true; + }, + + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function( event ) { + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); + } + }, + + beforeunload: { + postDispatch: function( event ) { + + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if ( event.result !== undefined && event.originalEvent ) { + event.originalEvent.returnValue = event.result; + } + } + } + } +}; + +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. +function leverageNative( el, type, expectSync ) { + + // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add + if ( !expectSync ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); + } + return; + } + + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var notAsync, result, + saved = dataPriv.get( this, type ); + + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + // Saved data should be false in such cases, but might be a leftover capture object + // from an async native handler (gh-4350) + if ( !saved.length ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous + notAsync = expectSync( this, type ); + this[ type ](); + result = dataPriv.get( this, type ); + if ( saved !== result || notAsync ) { + dataPriv.set( this, type, false ); + } else { + result = {}; + } + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + + // Support: Chrome 86+ + // In Chrome, if an element having a focusout handler is blurred by + // clicking outside of it, it invokes the handler synchronously. If + // that handler calls `.remove()` on the element, the data is cleared, + // leaving `result` undefined. We need to guard against this. + return result && result.value; + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering the + // native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved.length ) { + + // ...and capture the result + dataPriv.set( this, type, { + value: jQuery.event.trigger( + + // Support: IE <=9 - 11+ + // Extend with the prototype to reset the above stopImmediatePropagation() + jQuery.extend( saved[ 0 ], jQuery.Event.prototype ), + saved.slice( 1 ), + this + ) + } ); + + // Abort handling of the native event + event.stopImmediatePropagation(); + } + } + } ); +} + +jQuery.removeEvent = function( elem, type, handle ) { + + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); + } +}; + +jQuery.Event = function( src, props ) { + + // Allow instantiation without the 'new' keyword + if ( !( this instanceof jQuery.Event ) ) { + return new jQuery.Event( src, props ); + } + + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false ? + returnTrue : + returnFalse; + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (#504, #13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; + + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; + + // Event type + } else { + this.type = src; + } + + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now(); + + // Mark it as fixed + this[ jQuery.expando ] = true; +}; + +// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html +jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, + + preventDefault: function() { + var e = this.originalEvent; + + this.isDefaultPrevented = returnTrue; + + if ( e && !this.isSimulated ) { + e.preventDefault(); + } + }, + stopPropagation: function() { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopPropagation(); + } + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopImmediatePropagation(); + } + + this.stopPropagation(); + } +}; + +// Includes all common event props including KeyEvent and MouseEvent specific props +jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + which: true +}, jQuery.event.addProp ); + +jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + jQuery.event.special[ type ] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { + + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, expectSync ); + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + // Suppress native focus or blur as it's already being fired + // in leverageNative. + _default: function() { + return true; + }, + + delegateType: delegateType + }; +} ); + +// Create mouseenter/leave events using mouseover/out and event-time checks +// so that event delegation works in jQuery. +// Do the same for pointerenter/pointerleave and pointerover/pointerout +// +// Support: Safari 7 only +// Safari sends mouseenter too often; see: +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 +// for the description of the bug (it existed in older Chrome versions as well). +jQuery.each( { + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" +}, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, + + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { + event.type = handleObj.origType; + ret = handleObj.handler.apply( this, arguments ); + event.type = fix; + } + return ret; + } + }; +} ); + +jQuery.fn.extend( { + + on: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn ); + }, + one: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn, 1 ); + }, + off: function( types, selector, fn ) { + var handleObj, type; + if ( types && types.preventDefault && types.handleObj ) { + + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery( types.delegateTarget ).off( + handleObj.namespace ? + handleObj.origType + "." + handleObj.namespace : + handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if ( typeof types === "object" ) { + + // ( types-object [, selector] ) + for ( type in types ) { + this.off( type, selector, types[ type ] ); + } + return this; + } + if ( selector === false || typeof selector === "function" ) { + + // ( types [, fn] ) + fn = selector; + selector = undefined; + } + if ( fn === false ) { + fn = returnFalse; + } + return this.each( function() { + jQuery.event.remove( this, types, fn, selector ); + } ); + } +} ); + + +var + + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + rnoInnerhtml = /\s*$/g; + +// Prefer a tbody over its parent table for containing new rows +function manipulationTarget( elem, content ) { + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { + + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } + + return elem; +} + +// Replace/restore the type attribute of script elements for safe DOM manipulation +function disableScript( elem ) { + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; + return elem; +} +function restoreScript( elem ) { + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); + } else { + elem.removeAttribute( "type" ); + } + + return elem; +} + +function cloneCopyEvent( src, dest ) { + var i, l, type, pdataOld, udataOld, udataCur, events; + + if ( dest.nodeType !== 1 ) { + return; + } + + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; + + if ( events ) { + dataPriv.remove( dest, "handle events" ); + + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } + } + } + } + + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); + + dataUser.set( dest, udataCur ); + } +} + +// Fix IE bugs, see support tests +function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); + + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; + + // Fails to return the selected option to the default selected state when cloning options + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; + } +} + +function domManip( collection, args, callback, ignored ) { + + // Flatten any nested arrays + args = flat( args ); + + var fragment, first, scripts, hasScripts, node, doc, + i = 0, + l = collection.length, + iNoClone = l - 1, + value = args[ 0 ], + valueIsFunction = isFunction( value ); + + // We can't cloneNode fragments that contain checked, in WebKit + if ( valueIsFunction || + ( l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test( value ) ) ) { + return collection.each( function( index ) { + var self = collection.eq( index ); + if ( valueIsFunction ) { + args[ 0 ] = value.call( this, index, self.html() ); + } + domManip( self, args, callback, ignored ); + } ); + } + + if ( l ) { + fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); + first = fragment.firstChild; + + if ( fragment.childNodes.length === 1 ) { + fragment = first; + } + + // Require either new content or an interest in ignored elements to invoke the callback + if ( first || ignored ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; + + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for ( ; i < l; i++ ) { + node = fragment; + + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); + + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } + + callback.call( collection[ i ], node, i ); + } + + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; + + // Reenable scripts + jQuery.map( scripts, restoreScript ); + + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !dataPriv.access( node, "globalEval" ) && + jQuery.contains( doc, node ) ) { + + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { + + // Optional AJAX dependency, but won't run scripts if not present + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); + } + } else { + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); + } + } + } + } + } + } + + return collection; +} + +function remove( elem, selector, keepData ) { + var node, + nodes = selector ? jQuery.filter( selector, elem ) : elem, + i = 0; + + for ( ; ( node = nodes[ i ] ) != null; i++ ) { + if ( !keepData && node.nodeType === 1 ) { + jQuery.cleanData( getAll( node ) ); + } + + if ( node.parentNode ) { + if ( keepData && isAttached( node ) ) { + setGlobalEval( getAll( node, "script" ) ); + } + node.parentNode.removeChild( node ); + } + } + + return elem; +} + +jQuery.extend( { + htmlPrefilter: function( html ) { + return html; + }, + + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); + + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { + + // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); + } + } + + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + } + } else { + cloneCopyEvent( elem, clone ); + } + } + + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); + } + + // Return the cloned set + return clone; + }, + + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; + + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } + } + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; + } + } + } + } +} ); + +jQuery.fn.extend( { + detach: function( selector ) { + return remove( this, selector, true ); + }, + + remove: function( selector ) { + return remove( this, selector ); + }, + + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); + }, null, value, arguments.length ); + }, + + append: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.appendChild( elem ); + } + } ); + }, + + prepend: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.insertBefore( elem, target.firstChild ); + } + } ); + }, + + before: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + } ); + }, + + after: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + } ); + }, + + empty: function() { + var elem, + i = 0; + + for ( ; ( elem = this[ i ] ) != null; i++ ) { + if ( elem.nodeType === 1 ) { + + // Prevent memory leaks + jQuery.cleanData( getAll( elem, false ) ); + + // Remove any remaining nodes + elem.textContent = ""; + } + } + + return this; + }, + + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + + return this.map( function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + } ); + }, + + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; + + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; + } + + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { + + value = jQuery.htmlPrefilter( value ); + + try { + for ( ; i < l; i++ ) { + elem = this[ i ] || {}; + + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } + + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch ( e ) {} + } + + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, + + replaceWith: function() { + var ignored = []; + + // Make the changes, replacing each non-ignored context element with the new content + return domManip( this, arguments, function( elem ) { + var parent = this.parentNode; + + if ( jQuery.inArray( this, ignored ) < 0 ) { + jQuery.cleanData( getAll( this ) ); + if ( parent ) { + parent.replaceChild( elem, this ); + } + } + + // Force callback invocation + }, ignored ); + } +} ); + +jQuery.each( { + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" +}, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + ret = [], + insert = jQuery( selector ), + last = insert.length - 1, + i = 0; + + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone( true ); + jQuery( insert[ i ] )[ original ]( elems ); + + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply( ret, elems.get() ); + } + + return this.pushStack( ret ); + }; +} ); +var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); + +var getStyles = function( elem ) { + + // Support: IE <=11 only, Firefox <=30 (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + var view = elem.ownerDocument.defaultView; + + if ( !view || !view.opener ) { + view = window; + } + + return view.getComputedStyle( elem ); + }; + +var swap = function( elem, options, callback ) { + var ret, name, + old = {}; + + // Remember the old values, and insert the new ones + for ( name in options ) { + old[ name ] = elem.style[ name ]; + elem.style[ name ] = options[ name ]; + } + + ret = callback.call( elem ); + + // Revert the old values + for ( name in options ) { + elem.style[ name ] = old[ name ]; + } + + return ret; +}; + + +var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); + + + +( function() { + + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests() { + + // This is a singleton, we need to execute it only once + if ( !div ) { + return; + } + + container.style.cssText = "position:absolute;left:-11111px;width:60px;" + + "margin-top:1px;padding:0;border:0"; + div.style.cssText = + "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + + "margin:auto;border:1px;padding:1px;" + + "width:60%;top:1%"; + documentElement.appendChild( container ).appendChild( div ); + + var divStyle = window.getComputedStyle( div ); + pixelPositionVal = divStyle.top !== "1%"; + + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; + + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = "60%"; + pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; + + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; + + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = "absolute"; + scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; + + documentElement.removeChild( container ); + + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null; + } + + function roundPixelMeasures( measure ) { + return Math.round( parseFloat( measure ) ); + } + + var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, + reliableTrDimensionsVal, reliableMarginLeftVal, + container = document.createElement( "div" ), + div = document.createElement( "div" ); + + // Finish early in limited (non-browser) environments + if ( !div.style ) { + return; + } + + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip = "content-box"; + div.cloneNode( true ).style.backgroundClip = ""; + support.clearCloneStyle = div.style.backgroundClip === "content-box"; + + jQuery.extend( support, { + boxSizingReliable: function() { + computeStyleTests(); + return boxSizingReliableVal; + }, + pixelBoxStyles: function() { + computeStyleTests(); + return pixelBoxStylesVal; + }, + pixelPosition: function() { + computeStyleTests(); + return pixelPositionVal; + }, + reliableMarginLeft: function() { + computeStyleTests(); + return reliableMarginLeftVal; + }, + scrollboxSize: function() { + computeStyleTests(); + return scrollboxSizeVal; + }, + + // Support: IE 9 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Behavior in IE 9 is more subtle than in newer versions & it passes + // some versions of this test; make sure not to make it pass there! + // + // Support: Firefox 70+ + // Only Firefox includes border widths + // in computed dimensions. (gh-4529) + reliableTrDimensions: function() { + var table, tr, trChild, trStyle; + if ( reliableTrDimensionsVal == null ) { + table = document.createElement( "table" ); + tr = document.createElement( "tr" ); + trChild = document.createElement( "div" ); + + table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate"; + tr.style.cssText = "border:1px solid"; + + // Support: Chrome 86+ + // Height set through cssText does not get applied. + // Computed height then comes back as 0. + tr.style.height = "1px"; + trChild.style.height = "9px"; + + // Support: Android 8 Chrome 86+ + // In our bodyBackground.html iframe, + // display for all div elements is set to "inline", + // which causes a problem only in Android 8 Chrome 86. + // Ensuring the div is display: block + // gets around this issue. + trChild.style.display = "block"; + + documentElement + .appendChild( table ) + .appendChild( tr ) + .appendChild( trChild ); + + trStyle = window.getComputedStyle( tr ); + reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) + + parseInt( trStyle.borderTopWidth, 10 ) + + parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight; + + documentElement.removeChild( table ); + } + return reliableTrDimensionsVal; + } + } ); +} )(); + + +function curCSS( elem, name, computed ) { + var width, minWidth, maxWidth, ret, + + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + style = elem.style; + + computed = computed || getStyles( elem ); + + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, #12537) + // .css('--customProperty) (#3144) + if ( computed ) { + ret = computed.getPropertyValue( name ) || computed[ name ]; + + if ( ret === "" && !isAttached( elem ) ) { + ret = jQuery.style( elem, name ); + } + + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { + + // Remember the original values + width = style.width; + minWidth = style.minWidth; + maxWidth = style.maxWidth; + + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret; + ret = computed.width; + + // Revert the changed values + style.width = width; + style.minWidth = minWidth; + style.maxWidth = maxWidth; + } + } + + return ret !== undefined ? + + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ret + "" : + ret; +} + + +function addGetHookIf( conditionFn, hookFn ) { + + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function() { + if ( conditionFn() ) { + + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get; + return; + } + + // Hook needed; redefine it so that the support test is not executed again. + return ( this.get = hookFn ).apply( this, arguments ); + } + }; +} + + +var cssPrefixes = [ "Webkit", "Moz", "ms" ], + emptyStyle = document.createElement( "div" ).style, + vendorProps = {}; + +// Return a vendor-prefixed property or undefined +function vendorPropName( name ) { + + // Check for vendor prefixed names + var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), + i = cssPrefixes.length; + + while ( i-- ) { + name = cssPrefixes[ i ] + capName; + if ( name in emptyStyle ) { + return name; + } + } +} + +// Return a potentially-mapped jQuery.cssProps or vendor prefixed property +function finalPropName( name ) { + var final = jQuery.cssProps[ name ] || vendorProps[ name ]; + + if ( final ) { + return final; + } + if ( name in emptyStyle ) { + return name; + } + return vendorProps[ name ] = vendorPropName( name ) || name; +} + + +var + + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/, + rcustomProp = /^--/, + cssShow = { position: "absolute", visibility: "hidden", display: "block" }, + cssNormalTransform = { + letterSpacing: "0", + fontWeight: "400" + }; + +function setPositiveNumber( _elem, value, subtract ) { + + // Any relative (+/-) values have already been + // normalized at this point + var matches = rcssNum.exec( value ); + return matches ? + + // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : + value; +} + +function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { + var i = dimension === "width" ? 1 : 0, + extra = 0, + delta = 0; + + // Adjustment may not be necessary + if ( box === ( isBorderBox ? "border" : "content" ) ) { + return 0; + } + + for ( ; i < 4; i += 2 ) { + + // Both box models exclude margin + if ( box === "margin" ) { + delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); + } + + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if ( !isBorderBox ) { + + // Add padding + delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + + // For "border" or "margin", add border + if ( box !== "padding" ) { + delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + + // But still keep track of it otherwise + } else { + extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { + + // For "content", subtract padding + if ( box === "content" ) { + delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + } + + // For "content" or "padding", subtract border + if ( box !== "margin" ) { + delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + } + } + + // Account for positive content-box scroll gutter when requested by providing computedVal + if ( !isBorderBox && computedVal >= 0 ) { + + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max( 0, Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + computedVal - + delta - + extra - + 0.5 + + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + ) ) || 0; + } + + return delta; +} + +function getWidthOrHeight( elem, dimension, extra ) { + + // Start with computed style + var styles = getStyles( elem ), + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + boxSizingNeeded = !support.boxSizingReliable() || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + valueIsBorderBox = isBorderBox, + + val = curCSS( elem, dimension, styles ), + offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); + + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if ( rnumnonpx.test( val ) ) { + if ( !extra ) { + return val; + } + val = "auto"; + } + + + // Support: IE 9 - 11 only + // Use offsetWidth/offsetHeight for when box sizing is unreliable. + // In those cases, the computed value can be trusted to be border-box. + if ( ( !support.boxSizingReliable() && isBorderBox || + + // Support: IE 10 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Interestingly, in some cases IE 9 doesn't suffer from this issue. + !support.reliableTrDimensions() && nodeName( elem, "tr" ) || + + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + val === "auto" || + + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && + + // Make sure the element is visible & connected + elem.getClientRects().length ) { + + isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; + + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem; + if ( valueIsBorderBox ) { + val = elem[ offsetProp ]; + } + } + + // Normalize "" and auto + val = parseFloat( val ) || 0; + + // Adjust for the element's box model + return ( val + + boxModelAdjustment( + elem, + dimension, + extra || ( isBorderBox ? "border" : "content" ), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + "px"; +} + +jQuery.extend( { + + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function( elem, computed ) { + if ( computed ) { + + // We should always get a number back from opacity + var ret = curCSS( elem, "opacity" ); + return ret === "" ? "1" : ret; + } + } + } + }, + + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + "animationIterationCount": true, + "columnCount": true, + "fillOpacity": true, + "flexGrow": true, + "flexShrink": true, + "fontWeight": true, + "gridArea": true, + "gridColumn": true, + "gridColumnEnd": true, + "gridColumnStart": true, + "gridRow": true, + "gridRowEnd": true, + "gridRowStart": true, + "lineHeight": true, + "opacity": true, + "order": true, + "orphans": true, + "widows": true, + "zIndex": true, + "zoom": true + }, + + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, + + // Get and set the style property on a DOM Node + style: function( elem, name, value, extra ) { + + // Don't set styles on text and comment nodes + if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { + return; + } + + // Make sure that we're working with the right name + var ret, type, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ), + style = elem.style; + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // Check if we're setting a value + if ( value !== undefined ) { + type = typeof value; + + // Convert "+=" or "-=" to relative numbers (#7345) + if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { + value = adjustCSS( elem, name, ret ); + + // Fixes bug #9237 + type = "number"; + } + + // Make sure that null and NaN values aren't set (#7116) + if ( value == null || value !== value ) { + return; + } + + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if ( type === "number" && !isCustomProp ) { + value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); + } + + // background-* props affect original clone's values + if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { + style[ name ] = "inherit"; + } + + // If a hook was provided, use that value, otherwise just set the specified value + if ( !hooks || !( "set" in hooks ) || + ( value = hooks.set( elem, value, extra ) ) !== undefined ) { + + if ( isCustomProp ) { + style.setProperty( name, value ); + } else { + style[ name ] = value; + } + } + + } else { + + // If a hook was provided get the non-computed value from there + if ( hooks && "get" in hooks && + ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { + + return ret; + } + + // Otherwise just get the value from the style object + return style[ name ]; + } + }, + + css: function( elem, name, extra, styles ) { + var val, num, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ); + + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // If a hook was provided get the computed value from there + if ( hooks && "get" in hooks ) { + val = hooks.get( elem, true, extra ); + } + + // Otherwise, if a way to get the computed value exists, use that + if ( val === undefined ) { + val = curCSS( elem, name, styles ); + } + + // Convert "normal" to computed value + if ( val === "normal" && name in cssNormalTransform ) { + val = cssNormalTransform[ name ]; + } + + // Make numeric if forced or a qualifier was provided and val looks numeric + if ( extra === "" || extra ) { + num = parseFloat( val ); + return extra === true || isFinite( num ) ? num || 0 : val; + } + + return val; + } +} ); + +jQuery.each( [ "height", "width" ], function( _i, dimension ) { + jQuery.cssHooks[ dimension ] = { + get: function( elem, computed, extra ) { + if ( computed ) { + + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test( jQuery.css( elem, "display" ) ) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? + swap( elem, cssShow, function() { + return getWidthOrHeight( elem, dimension, extra ); + } ) : + getWidthOrHeight( elem, dimension, extra ); + } + }, + + set: function( elem, value, extra ) { + var matches, + styles = getStyles( elem ), + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === "absolute", + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + boxSizingNeeded = scrollboxSizeBuggy || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + subtract = extra ? + boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) : + 0; + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if ( isBorderBox && scrollboxSizeBuggy ) { + subtract -= Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + parseFloat( styles[ dimension ] ) - + boxModelAdjustment( elem, dimension, "border", false, styles ) - + 0.5 + ); + } + + // Convert to pixels if value adjustment is needed + if ( subtract && ( matches = rcssNum.exec( value ) ) && + ( matches[ 3 ] || "px" ) !== "px" ) { + + elem.style[ dimension ] = value; + value = jQuery.css( elem, dimension ); + } + + return setPositiveNumber( elem, value, subtract ); + } + }; +} ); + +jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, + function( elem, computed ) { + if ( computed ) { + return ( parseFloat( curCSS( elem, "marginLeft" ) ) || + elem.getBoundingClientRect().left - + swap( elem, { marginLeft: 0 }, function() { + return elem.getBoundingClientRect().left; + } ) + ) + "px"; + } + } +); + +// These hooks are used by animate to expand properties +jQuery.each( { + margin: "", + padding: "", + border: "Width" +}, function( prefix, suffix ) { + jQuery.cssHooks[ prefix + suffix ] = { + expand: function( value ) { + var i = 0, + expanded = {}, + + // Assumes a single number if not a string + parts = typeof value === "string" ? value.split( " " ) : [ value ]; + + for ( ; i < 4; i++ ) { + expanded[ prefix + cssExpand[ i ] + suffix ] = + parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; + } + + return expanded; + } + }; + + if ( prefix !== "margin" ) { + jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; + } +} ); + +jQuery.fn.extend( { + css: function( name, value ) { + return access( this, function( elem, name, value ) { + var styles, len, + map = {}, + i = 0; + + if ( Array.isArray( name ) ) { + styles = getStyles( elem ); + len = name.length; + + for ( ; i < len; i++ ) { + map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); + } + + return map; + } + + return value !== undefined ? + jQuery.style( elem, name, value ) : + jQuery.css( elem, name ); + }, name, value, arguments.length > 1 ); + } +} ); + + +function Tween( elem, options, prop, end, easing ) { + return new Tween.prototype.init( elem, options, prop, end, easing ); +} +jQuery.Tween = Tween; + +Tween.prototype = { + constructor: Tween, + init: function( elem, options, prop, end, easing, unit ) { + this.elem = elem; + this.prop = prop; + this.easing = easing || jQuery.easing._default; + this.options = options; + this.start = this.now = this.cur(); + this.end = end; + this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); + }, + cur: function() { + var hooks = Tween.propHooks[ this.prop ]; + + return hooks && hooks.get ? + hooks.get( this ) : + Tween.propHooks._default.get( this ); + }, + run: function( percent ) { + var eased, + hooks = Tween.propHooks[ this.prop ]; + + if ( this.options.duration ) { + this.pos = eased = jQuery.easing[ this.easing ]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ); + } else { + this.pos = eased = percent; + } + this.now = ( this.end - this.start ) * eased + this.start; + + if ( this.options.step ) { + this.options.step.call( this.elem, this.now, this ); + } + + if ( hooks && hooks.set ) { + hooks.set( this ); + } else { + Tween.propHooks._default.set( this ); + } + return this; + } +}; + +Tween.prototype.init.prototype = Tween.prototype; + +Tween.propHooks = { + _default: { + get: function( tween ) { + var result; + + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if ( tween.elem.nodeType !== 1 || + tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { + return tween.elem[ tween.prop ]; + } + + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css( tween.elem, tween.prop, "" ); + + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === "auto" ? 0 : result; + }, + set: function( tween ) { + + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if ( jQuery.fx.step[ tween.prop ] ) { + jQuery.fx.step[ tween.prop ]( tween ); + } else if ( tween.elem.nodeType === 1 && ( + jQuery.cssHooks[ tween.prop ] || + tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { + jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); + } else { + tween.elem[ tween.prop ] = tween.now; + } + } + } +}; + +// Support: IE <=9 only +// Panic based approach to setting things on disconnected nodes +Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function( tween ) { + if ( tween.elem.nodeType && tween.elem.parentNode ) { + tween.elem[ tween.prop ] = tween.now; + } + } +}; + +jQuery.easing = { + linear: function( p ) { + return p; + }, + swing: function( p ) { + return 0.5 - Math.cos( p * Math.PI ) / 2; + }, + _default: "swing" +}; + +jQuery.fx = Tween.prototype.init; + +// Back compat <1.8 extension point +jQuery.fx.step = {}; + + + + +var + fxNow, inProgress, + rfxtypes = /^(?:toggle|show|hide)$/, + rrun = /queueHooks$/; + +function schedule() { + if ( inProgress ) { + if ( document.hidden === false && window.requestAnimationFrame ) { + window.requestAnimationFrame( schedule ); + } else { + window.setTimeout( schedule, jQuery.fx.interval ); + } + + jQuery.fx.tick(); + } +} + +// Animations created synchronously will run synchronously +function createFxNow() { + window.setTimeout( function() { + fxNow = undefined; + } ); + return ( fxNow = Date.now() ); +} + +// Generate parameters to create a standard animation +function genFx( type, includeWidth ) { + var which, + i = 0, + attrs = { height: type }; + + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0; + for ( ; i < 4; i += 2 - includeWidth ) { + which = cssExpand[ i ]; + attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; + } + + if ( includeWidth ) { + attrs.opacity = attrs.width = type; + } + + return attrs; +} + +function createTween( value, prop, animation ) { + var tween, + collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), + index = 0, + length = collection.length; + for ( ; index < length; index++ ) { + if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { + + // We're done with this property + return tween; + } + } +} + +function defaultPrefilter( elem, props, opts ) { + var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, + isBox = "width" in props || "height" in props, + anim = this, + orig = {}, + style = elem.style, + hidden = elem.nodeType && isHiddenWithinTree( elem ), + dataShow = dataPriv.get( elem, "fxshow" ); + + // Queue-skipping animations hijack the fx hooks + if ( !opts.queue ) { + hooks = jQuery._queueHooks( elem, "fx" ); + if ( hooks.unqueued == null ) { + hooks.unqueued = 0; + oldfire = hooks.empty.fire; + hooks.empty.fire = function() { + if ( !hooks.unqueued ) { + oldfire(); + } + }; + } + hooks.unqueued++; + + anim.always( function() { + + // Ensure the complete handler is called before this completes + anim.always( function() { + hooks.unqueued--; + if ( !jQuery.queue( elem, "fx" ).length ) { + hooks.empty.fire(); + } + } ); + } ); + } + + // Detect show/hide animations + for ( prop in props ) { + value = props[ prop ]; + if ( rfxtypes.test( value ) ) { + delete props[ prop ]; + toggle = toggle || value === "toggle"; + if ( value === ( hidden ? "hide" : "show" ) ) { + + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { + hidden = true; + + // Ignore all other no-op show/hide data + } else { + continue; + } + } + orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); + } + } + + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject( props ); + if ( !propTween && jQuery.isEmptyObject( orig ) ) { + return; + } + + // Restrict "overflow" and "display" styles during box animations + if ( isBox && elem.nodeType === 1 ) { + + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; + + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display; + if ( restoreDisplay == null ) { + restoreDisplay = dataPriv.get( elem, "display" ); + } + display = jQuery.css( elem, "display" ); + if ( display === "none" ) { + if ( restoreDisplay ) { + display = restoreDisplay; + } else { + + // Get nonempty value(s) by temporarily forcing visibility + showHide( [ elem ], true ); + restoreDisplay = elem.style.display || restoreDisplay; + display = jQuery.css( elem, "display" ); + showHide( [ elem ] ); + } + } + + // Animate inline elements as inline-block + if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { + if ( jQuery.css( elem, "float" ) === "none" ) { + + // Restore the original display value at the end of pure show/hide animations + if ( !propTween ) { + anim.done( function() { + style.display = restoreDisplay; + } ); + if ( restoreDisplay == null ) { + display = style.display; + restoreDisplay = display === "none" ? "" : display; + } + } + style.display = "inline-block"; + } + } + } + + if ( opts.overflow ) { + style.overflow = "hidden"; + anim.always( function() { + style.overflow = opts.overflow[ 0 ]; + style.overflowX = opts.overflow[ 1 ]; + style.overflowY = opts.overflow[ 2 ]; + } ); + } + + // Implement show/hide animations + propTween = false; + for ( prop in orig ) { + + // General show/hide setup for this element animation + if ( !propTween ) { + if ( dataShow ) { + if ( "hidden" in dataShow ) { + hidden = dataShow.hidden; + } + } else { + dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); + } + + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if ( toggle ) { + dataShow.hidden = !hidden; + } + + // Show elements before animating them + if ( hidden ) { + showHide( [ elem ], true ); + } + + /* eslint-disable no-loop-func */ + + anim.done( function() { + + /* eslint-enable no-loop-func */ + + // The final step of a "hide" animation is actually hiding the element + if ( !hidden ) { + showHide( [ elem ] ); + } + dataPriv.remove( elem, "fxshow" ); + for ( prop in orig ) { + jQuery.style( elem, prop, orig[ prop ] ); + } + } ); + } + + // Per-property setup + propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); + if ( !( prop in dataShow ) ) { + dataShow[ prop ] = propTween.start; + if ( hidden ) { + propTween.end = propTween.start; + propTween.start = 0; + } + } + } +} + +function propFilter( props, specialEasing ) { + var index, name, easing, value, hooks; + + // camelCase, specialEasing and expand cssHook pass + for ( index in props ) { + name = camelCase( index ); + easing = specialEasing[ name ]; + value = props[ index ]; + if ( Array.isArray( value ) ) { + easing = value[ 1 ]; + value = props[ index ] = value[ 0 ]; + } + + if ( index !== name ) { + props[ name ] = value; + delete props[ index ]; + } + + hooks = jQuery.cssHooks[ name ]; + if ( hooks && "expand" in hooks ) { + value = hooks.expand( value ); + delete props[ name ]; + + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for ( index in value ) { + if ( !( index in props ) ) { + props[ index ] = value[ index ]; + specialEasing[ index ] = easing; + } + } + } else { + specialEasing[ name ] = easing; + } + } +} + +function Animation( elem, properties, options ) { + var result, + stopped, + index = 0, + length = Animation.prefilters.length, + deferred = jQuery.Deferred().always( function() { + + // Don't match elem in the :animated selector + delete tick.elem; + } ), + tick = function() { + if ( stopped ) { + return false; + } + var currentTime = fxNow || createFxNow(), + remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), + + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) + temp = remaining / animation.duration || 0, + percent = 1 - temp, + index = 0, + length = animation.tweens.length; + + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( percent ); + } + + deferred.notifyWith( elem, [ animation, percent, remaining ] ); + + // If there's more to do, yield + if ( percent < 1 && length ) { + return remaining; + } + + // If this was an empty animation, synthesize a final progress notification + if ( !length ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + } + + // Resolve the animation and report its conclusion + deferred.resolveWith( elem, [ animation ] ); + return false; + }, + animation = deferred.promise( { + elem: elem, + props: jQuery.extend( {}, properties ), + opts: jQuery.extend( true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options ), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function( prop, end ) { + var tween = jQuery.Tween( elem, animation.opts, prop, end, + animation.opts.specialEasing[ prop ] || animation.opts.easing ); + animation.tweens.push( tween ); + return tween; + }, + stop: function( gotoEnd ) { + var index = 0, + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + length = gotoEnd ? animation.tweens.length : 0; + if ( stopped ) { + return this; + } + stopped = true; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( 1 ); + } + + // Resolve when we played the last frame; otherwise, reject + if ( gotoEnd ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + deferred.resolveWith( elem, [ animation, gotoEnd ] ); + } else { + deferred.rejectWith( elem, [ animation, gotoEnd ] ); + } + return this; + } + } ), + props = animation.props; + + propFilter( props, animation.opts.specialEasing ); + + for ( ; index < length; index++ ) { + result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); + if ( result ) { + if ( isFunction( result.stop ) ) { + jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = + result.stop.bind( result ); + } + return result; + } + } + + jQuery.map( props, createTween, animation ); + + if ( isFunction( animation.opts.start ) ) { + animation.opts.start.call( elem, animation ); + } + + // Attach callbacks from options + animation + .progress( animation.opts.progress ) + .done( animation.opts.done, animation.opts.complete ) + .fail( animation.opts.fail ) + .always( animation.opts.always ); + + jQuery.fx.timer( + jQuery.extend( tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + } ) + ); + + return animation; +} + +jQuery.Animation = jQuery.extend( Animation, { + + tweeners: { + "*": [ function( prop, value ) { + var tween = this.createTween( prop, value ); + adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); + return tween; + } ] + }, + + tweener: function( props, callback ) { + if ( isFunction( props ) ) { + callback = props; + props = [ "*" ]; + } else { + props = props.match( rnothtmlwhite ); + } + + var prop, + index = 0, + length = props.length; + + for ( ; index < length; index++ ) { + prop = props[ index ]; + Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; + Animation.tweeners[ prop ].unshift( callback ); + } + }, + + prefilters: [ defaultPrefilter ], + + prefilter: function( callback, prepend ) { + if ( prepend ) { + Animation.prefilters.unshift( callback ); + } else { + Animation.prefilters.push( callback ); + } + } +} ); + +jQuery.speed = function( speed, easing, fn ) { + var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { + complete: fn || !fn && easing || + isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction( easing ) && easing + }; + + // Go to the end state if fx are off + if ( jQuery.fx.off ) { + opt.duration = 0; + + } else { + if ( typeof opt.duration !== "number" ) { + if ( opt.duration in jQuery.fx.speeds ) { + opt.duration = jQuery.fx.speeds[ opt.duration ]; + + } else { + opt.duration = jQuery.fx.speeds._default; + } + } + } + + // Normalize opt.queue - true/undefined/null -> "fx" + if ( opt.queue == null || opt.queue === true ) { + opt.queue = "fx"; + } + + // Queueing + opt.old = opt.complete; + + opt.complete = function() { + if ( isFunction( opt.old ) ) { + opt.old.call( this ); + } + + if ( opt.queue ) { + jQuery.dequeue( this, opt.queue ); + } + }; + + return opt; +}; + +jQuery.fn.extend( { + fadeTo: function( speed, to, easing, callback ) { + + // Show any hidden elements after setting opacity to 0 + return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() + + // Animate to the value specified + .end().animate( { opacity: to }, speed, easing, callback ); + }, + animate: function( prop, speed, easing, callback ) { + var empty = jQuery.isEmptyObject( prop ), + optall = jQuery.speed( speed, easing, callback ), + doAnimation = function() { + + // Operate on a copy of prop so per-property easing won't be lost + var anim = Animation( this, jQuery.extend( {}, prop ), optall ); + + // Empty animations, or finishing resolves immediately + if ( empty || dataPriv.get( this, "finish" ) ) { + anim.stop( true ); + } + }; + + doAnimation.finish = doAnimation; + + return empty || optall.queue === false ? + this.each( doAnimation ) : + this.queue( optall.queue, doAnimation ); + }, + stop: function( type, clearQueue, gotoEnd ) { + var stopQueue = function( hooks ) { + var stop = hooks.stop; + delete hooks.stop; + stop( gotoEnd ); + }; + + if ( typeof type !== "string" ) { + gotoEnd = clearQueue; + clearQueue = type; + type = undefined; + } + if ( clearQueue ) { + this.queue( type || "fx", [] ); + } + + return this.each( function() { + var dequeue = true, + index = type != null && type + "queueHooks", + timers = jQuery.timers, + data = dataPriv.get( this ); + + if ( index ) { + if ( data[ index ] && data[ index ].stop ) { + stopQueue( data[ index ] ); + } + } else { + for ( index in data ) { + if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { + stopQueue( data[ index ] ); + } + } + } + + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && + ( type == null || timers[ index ].queue === type ) ) { + + timers[ index ].anim.stop( gotoEnd ); + dequeue = false; + timers.splice( index, 1 ); + } + } + + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if ( dequeue || !gotoEnd ) { + jQuery.dequeue( this, type ); + } + } ); + }, + finish: function( type ) { + if ( type !== false ) { + type = type || "fx"; + } + return this.each( function() { + var index, + data = dataPriv.get( this ), + queue = data[ type + "queue" ], + hooks = data[ type + "queueHooks" ], + timers = jQuery.timers, + length = queue ? queue.length : 0; + + // Enable finishing flag on private data + data.finish = true; + + // Empty the queue first + jQuery.queue( this, type, [] ); + + if ( hooks && hooks.stop ) { + hooks.stop.call( this, true ); + } + + // Look for any active animations, and finish them + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && timers[ index ].queue === type ) { + timers[ index ].anim.stop( true ); + timers.splice( index, 1 ); + } + } + + // Look for any animations in the old queue and finish them + for ( index = 0; index < length; index++ ) { + if ( queue[ index ] && queue[ index ].finish ) { + queue[ index ].finish.call( this ); + } + } + + // Turn off finishing flag + delete data.finish; + } ); + } +} ); + +jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { + var cssFn = jQuery.fn[ name ]; + jQuery.fn[ name ] = function( speed, easing, callback ) { + return speed == null || typeof speed === "boolean" ? + cssFn.apply( this, arguments ) : + this.animate( genFx( name, true ), speed, easing, callback ); + }; +} ); + +// Generate shortcuts for custom animations +jQuery.each( { + slideDown: genFx( "show" ), + slideUp: genFx( "hide" ), + slideToggle: genFx( "toggle" ), + fadeIn: { opacity: "show" }, + fadeOut: { opacity: "hide" }, + fadeToggle: { opacity: "toggle" } +}, function( name, props ) { + jQuery.fn[ name ] = function( speed, easing, callback ) { + return this.animate( props, speed, easing, callback ); + }; +} ); + +jQuery.timers = []; +jQuery.fx.tick = function() { + var timer, + i = 0, + timers = jQuery.timers; + + fxNow = Date.now(); + + for ( ; i < timers.length; i++ ) { + timer = timers[ i ]; + + // Run the timer and safely remove it when done (allowing for external removal) + if ( !timer() && timers[ i ] === timer ) { + timers.splice( i--, 1 ); + } + } + + if ( !timers.length ) { + jQuery.fx.stop(); + } + fxNow = undefined; +}; + +jQuery.fx.timer = function( timer ) { + jQuery.timers.push( timer ); + jQuery.fx.start(); +}; + +jQuery.fx.interval = 13; +jQuery.fx.start = function() { + if ( inProgress ) { + return; + } + + inProgress = true; + schedule(); +}; + +jQuery.fx.stop = function() { + inProgress = null; +}; + +jQuery.fx.speeds = { + slow: 600, + fast: 200, + + // Default speed + _default: 400 +}; + + +// Based off of the plugin by Clint Helfers, with permission. +// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ +jQuery.fn.delay = function( time, type ) { + time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + type = type || "fx"; + + return this.queue( type, function( next, hooks ) { + var timeout = window.setTimeout( next, time ); + hooks.stop = function() { + window.clearTimeout( timeout ); + }; + } ); +}; + + +( function() { + var input = document.createElement( "input" ), + select = document.createElement( "select" ), + opt = select.appendChild( document.createElement( "option" ) ); + + input.type = "checkbox"; + + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== ""; + + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected; + + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement( "input" ); + input.value = "t"; + input.type = "radio"; + support.radioValue = input.value === "t"; +} )(); + + +var boolHook, + attrHandle = jQuery.expr.attrHandle; + +jQuery.fn.extend( { + attr: function( name, value ) { + return access( this, jQuery.attr, name, value, arguments.length > 1 ); + }, + + removeAttr: function( name ) { + return this.each( function() { + jQuery.removeAttr( this, name ); + } ); + } +} ); + +jQuery.extend( { + attr: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set attributes on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + // Fallback to prop when attributes are not supported + if ( typeof elem.getAttribute === "undefined" ) { + return jQuery.prop( elem, name, value ); + } + + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + hooks = jQuery.attrHooks[ name.toLowerCase() ] || + ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); + } + + if ( value !== undefined ) { + if ( value === null ) { + jQuery.removeAttr( elem, name ); + return; + } + + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + elem.setAttribute( name, value + "" ); + return value; + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + ret = jQuery.find.attr( elem, name ); + + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret; + }, + + attrHooks: { + type: { + set: function( elem, value ) { + if ( !support.radioValue && value === "radio" && + nodeName( elem, "input" ) ) { + var val = elem.value; + elem.setAttribute( "type", value ); + if ( val ) { + elem.value = val; + } + return value; + } + } + } + }, + + removeAttr: function( elem, value ) { + var name, + i = 0, + + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + attrNames = value && value.match( rnothtmlwhite ); + + if ( attrNames && elem.nodeType === 1 ) { + while ( ( name = attrNames[ i++ ] ) ) { + elem.removeAttribute( name ); + } + } + } +} ); + +// Hooks for boolean attributes +boolHook = { + set: function( elem, value, name ) { + if ( value === false ) { + + // Remove boolean attributes when set to false + jQuery.removeAttr( elem, name ); + } else { + elem.setAttribute( name, name ); + } + return name; + } +}; + +jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { + var getter = attrHandle[ name ] || jQuery.find.attr; + + attrHandle[ name ] = function( elem, name, isXML ) { + var ret, handle, + lowercaseName = name.toLowerCase(); + + if ( !isXML ) { + + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[ lowercaseName ]; + attrHandle[ lowercaseName ] = ret; + ret = getter( elem, name, isXML ) != null ? + lowercaseName : + null; + attrHandle[ lowercaseName ] = handle; + } + return ret; + }; +} ); + + + + +var rfocusable = /^(?:input|select|textarea|button)$/i, + rclickable = /^(?:a|area)$/i; + +jQuery.fn.extend( { + prop: function( name, value ) { + return access( this, jQuery.prop, name, value, arguments.length > 1 ); + }, + + removeProp: function( name ) { + return this.each( function() { + delete this[ jQuery.propFix[ name ] || name ]; + } ); + } +} ); + +jQuery.extend( { + prop: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set properties on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + + // Fix name and attach hooks + name = jQuery.propFix[ name ] || name; + hooks = jQuery.propHooks[ name ]; + } + + if ( value !== undefined ) { + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + return ( elem[ name ] = value ); + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + return elem[ name ]; + }, + + propHooks: { + tabIndex: { + get: function( elem ) { + + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + // Use proper attribute retrieval(#12072) + var tabindex = jQuery.find.attr( elem, "tabindex" ); + + if ( tabindex ) { + return parseInt( tabindex, 10 ); + } + + if ( + rfocusable.test( elem.nodeName ) || + rclickable.test( elem.nodeName ) && + elem.href + ) { + return 0; + } + + return -1; + } + } + }, + + propFix: { + "for": "htmlFor", + "class": "className" + } +} ); + +// Support: IE <=11 only +// Accessing the selectedIndex property +// forces the browser to respect setting selected +// on the option +// The getter ensures a default option is selected +// when in an optgroup +// eslint rule "no-unused-expressions" is disabled for this code +// since it considers such accessions noop +if ( !support.optSelected ) { + jQuery.propHooks.selected = { + get: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent && parent.parentNode ) { + parent.parentNode.selectedIndex; + } + return null; + }, + set: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent ) { + parent.selectedIndex; + + if ( parent.parentNode ) { + parent.parentNode.selectedIndex; + } + } + } + }; +} + +jQuery.each( [ + "tabIndex", + "readOnly", + "maxLength", + "cellSpacing", + "cellPadding", + "rowSpan", + "colSpan", + "useMap", + "frameBorder", + "contentEditable" +], function() { + jQuery.propFix[ this.toLowerCase() ] = this; +} ); + + + + + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse( value ) { + var tokens = value.match( rnothtmlwhite ) || []; + return tokens.join( " " ); + } + + +function getClass( elem ) { + return elem.getAttribute && elem.getAttribute( "class" ) || ""; +} + +function classesToArray( value ) { + if ( Array.isArray( value ) ) { + return value; + } + if ( typeof value === "string" ) { + return value.match( rnothtmlwhite ) || []; + } + return []; +} + +jQuery.fn.extend( { + addClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + if ( cur.indexOf( " " + clazz + " " ) < 0 ) { + cur += clazz + " "; + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + removeClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + if ( !arguments.length ) { + return this.attr( "class", "" ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + + // This expression is here for better compressibility (see addClass) + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + + // Remove *all* instances + while ( cur.indexOf( " " + clazz + " " ) > -1 ) { + cur = cur.replace( " " + clazz + " ", " " ); + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + toggleClass: function( value, stateVal ) { + var type = typeof value, + isValidValue = type === "string" || Array.isArray( value ); + + if ( typeof stateVal === "boolean" && isValidValue ) { + return stateVal ? this.addClass( value ) : this.removeClass( value ); + } + + if ( isFunction( value ) ) { + return this.each( function( i ) { + jQuery( this ).toggleClass( + value.call( this, i, getClass( this ), stateVal ), + stateVal + ); + } ); + } + + return this.each( function() { + var className, i, self, classNames; + + if ( isValidValue ) { + + // Toggle individual class names + i = 0; + self = jQuery( this ); + classNames = classesToArray( value ); + + while ( ( className = classNames[ i++ ] ) ) { + + // Check each className given, space separated list + if ( self.hasClass( className ) ) { + self.removeClass( className ); + } else { + self.addClass( className ); + } + } + + // Toggle whole class name + } else if ( value === undefined || type === "boolean" ) { + className = getClass( this ); + if ( className ) { + + // Store className if set + dataPriv.set( this, "__className__", className ); + } + + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if ( this.setAttribute ) { + this.setAttribute( "class", + className || value === false ? + "" : + dataPriv.get( this, "__className__" ) || "" + ); + } + } + } ); + }, + + hasClass: function( selector ) { + var className, elem, + i = 0; + + className = " " + selector + " "; + while ( ( elem = this[ i++ ] ) ) { + if ( elem.nodeType === 1 && + ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { + return true; + } + } + + return false; + } +} ); + + + + +var rreturn = /\r/g; + +jQuery.fn.extend( { + val: function( value ) { + var hooks, ret, valueIsFunction, + elem = this[ 0 ]; + + if ( !arguments.length ) { + if ( elem ) { + hooks = jQuery.valHooks[ elem.type ] || + jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + + if ( hooks && + "get" in hooks && + ( ret = hooks.get( elem, "value" ) ) !== undefined + ) { + return ret; + } + + ret = elem.value; + + // Handle most common string cases + if ( typeof ret === "string" ) { + return ret.replace( rreturn, "" ); + } + + // Handle cases where value is null/undef or number + return ret == null ? "" : ret; + } + + return; + } + + valueIsFunction = isFunction( value ); + + return this.each( function( i ) { + var val; + + if ( this.nodeType !== 1 ) { + return; + } + + if ( valueIsFunction ) { + val = value.call( this, i, jQuery( this ).val() ); + } else { + val = value; + } + + // Treat null/undefined as ""; convert numbers to string + if ( val == null ) { + val = ""; + + } else if ( typeof val === "number" ) { + val += ""; + + } else if ( Array.isArray( val ) ) { + val = jQuery.map( val, function( value ) { + return value == null ? "" : value + ""; + } ); + } + + hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + + // If set returns undefined, fall back to normal setting + if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { + this.value = val; + } + } ); + } +} ); + +jQuery.extend( { + valHooks: { + option: { + get: function( elem ) { + + var val = jQuery.find.attr( elem, "value" ); + return val != null ? + val : + + // Support: IE <=10 - 11 only + // option.text throws exceptions (#14686, #14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + stripAndCollapse( jQuery.text( elem ) ); + } + }, + select: { + get: function( elem ) { + var value, option, i, + options = elem.options, + index = elem.selectedIndex, + one = elem.type === "select-one", + values = one ? null : [], + max = one ? index + 1 : options.length; + + if ( index < 0 ) { + i = max; + + } else { + i = one ? index : 0; + } + + // Loop through all the selected options + for ( ; i < max; i++ ) { + option = options[ i ]; + + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (#2551) + if ( ( option.selected || i === index ) && + + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + ( !option.parentNode.disabled || + !nodeName( option.parentNode, "optgroup" ) ) ) { + + // Get the specific value for the option + value = jQuery( option ).val(); + + // We don't need an array for one selects + if ( one ) { + return value; + } + + // Multi-Selects return an array + values.push( value ); + } + } + + return values; + }, + + set: function( elem, value ) { + var optionSet, option, + options = elem.options, + values = jQuery.makeArray( value ), + i = options.length; + + while ( i-- ) { + option = options[ i ]; + + /* eslint-disable no-cond-assign */ + + if ( option.selected = + jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 + ) { + optionSet = true; + } + + /* eslint-enable no-cond-assign */ + } + + // Force browsers to behave consistently when non-matching value is set + if ( !optionSet ) { + elem.selectedIndex = -1; + } + return values; + } + } + } +} ); + +// Radios and checkboxes getter/setter +jQuery.each( [ "radio", "checkbox" ], function() { + jQuery.valHooks[ this ] = { + set: function( elem, value ) { + if ( Array.isArray( value ) ) { + return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); + } + } + }; + if ( !support.checkOn ) { + jQuery.valHooks[ this ].get = function( elem ) { + return elem.getAttribute( "value" ) === null ? "on" : elem.value; + }; + } +} ); + + + + +// Return jQuery for attributes-only inclusion + + +support.focusin = "onfocusin" in window; + + +var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + stopPropagationCallback = function( e ) { + e.stopPropagation(); + }; + +jQuery.extend( jQuery.event, { + + trigger: function( event, data, elem, onlyHandlers ) { + + var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + + cur = lastElement = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; + } + + if ( type.indexOf( "." ) > -1 ) { + + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split( "." ); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf( ":" ) < 0 && "on" + type; + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[ jQuery.expando ] ? + event : + new jQuery.Event( type, typeof event === "object" && event ); + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join( "." ); + event.rnamespace = event.namespace ? + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : + null; + + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); + + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + return; + } + + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { + + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; + } + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if ( tmp === ( elem.ownerDocument || document ) ) { + eventPath.push( tmp.defaultView || tmp.parentWindow || window ); + } + } + + // Fire handlers on the event path + i = 0; + while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { + lastElement = cur; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] && + dataPriv.get( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); + } + + // Native handler + handle = ontype && cur[ ontype ]; + if ( handle && handle.apply && acceptData( cur ) ) { + event.result = handle.apply( cur, data ); + if ( event.result === false ) { + event.preventDefault(); + } + } + } + event.type = type; + + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { + + if ( ( !special._default || + special._default.apply( eventPath.pop(), data ) === false ) && + acceptData( elem ) ) { + + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { + + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; + + if ( tmp ) { + elem[ ontype ] = null; + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + + if ( event.isPropagationStopped() ) { + lastElement.addEventListener( type, stopPropagationCallback ); + } + + elem[ type ](); + + if ( event.isPropagationStopped() ) { + lastElement.removeEventListener( type, stopPropagationCallback ); + } + + jQuery.event.triggered = undefined; + + if ( tmp ) { + elem[ ontype ] = tmp; + } + } + } + } + + return event.result; + }, + + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function( type, elem, event ) { + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ); + + jQuery.event.trigger( e, null, elem ); + } + +} ); + +jQuery.fn.extend( { + + trigger: function( type, data ) { + return this.each( function() { + jQuery.event.trigger( type, data, this ); + } ); + }, + triggerHandler: function( type, data ) { + var elem = this[ 0 ]; + if ( elem ) { + return jQuery.event.trigger( type, data, elem, true ); + } + } +} ); + + +// Support: Firefox <=44 +// Firefox doesn't have focus(in | out) events +// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 +// +// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 +// focus(in | out) events fire after focus & blur events, +// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order +// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 +if ( !support.focusin ) { + jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { + + // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler = function( event ) { + jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); + }; + + jQuery.event.special[ fix ] = { + setup: function() { + + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ); + + if ( !attaches ) { + doc.addEventListener( orig, handler, true ); + } + dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ) - 1; + + if ( !attaches ) { + doc.removeEventListener( orig, handler, true ); + dataPriv.remove( doc, fix ); + + } else { + dataPriv.access( doc, fix, attaches ); + } + } + }; + } ); +} +var location = window.location; + +var nonce = { guid: Date.now() }; + +var rquery = ( /\?/ ); + + + +// Cross-browser xml parsing +jQuery.parseXML = function( data ) { + var xml, parserErrorElem; + if ( !data || typeof data !== "string" ) { + return null; + } + + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); + } catch ( e ) {} + + parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ]; + if ( !xml || parserErrorElem ) { + jQuery.error( "Invalid XML: " + ( + parserErrorElem ? + jQuery.map( parserErrorElem.childNodes, function( el ) { + return el.textContent; + } ).join( "\n" ) : + data + ) ); + } + return xml; +}; + + +var + rbracket = /\[\]$/, + rCRLF = /\r?\n/g, + rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, + rsubmittable = /^(?:input|select|textarea|keygen)/i; + +function buildParams( prefix, obj, traditional, add ) { + var name; + + if ( Array.isArray( obj ) ) { + + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || rbracket.test( prefix ) ) { + + // Treat each array item as a scalar. + add( prefix, v ); + + } else { + + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", + v, + traditional, + add + ); + } + } ); + + } else if ( !traditional && toType( obj ) === "object" ) { + + // Serialize object item. + for ( name in obj ) { + buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); + } + + } else { + + // Serialize scalar item. + add( prefix, obj ); + } +} + +// Serialize an array of form elements or a set of +// key/values into a query string +jQuery.param = function( a, traditional ) { + var prefix, + s = [], + add = function( key, valueOrFunction ) { + + // If value is a function, invoke it and use its return value + var value = isFunction( valueOrFunction ) ? + valueOrFunction() : + valueOrFunction; + + s[ s.length ] = encodeURIComponent( key ) + "=" + + encodeURIComponent( value == null ? "" : value ); + }; + + if ( a == null ) { + return ""; + } + + // If an array was passed in, assume that it is an array of form elements. + if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { + + // Serialize the form elements + jQuery.each( a, function() { + add( this.name, this.value ); + } ); + + } else { + + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for ( prefix in a ) { + buildParams( prefix, a[ prefix ], traditional, add ); + } + } + + // Return the resulting serialization + return s.join( "&" ); +}; + +jQuery.fn.extend( { + serialize: function() { + return jQuery.param( this.serializeArray() ); + }, + serializeArray: function() { + return this.map( function() { + + // Can add propHook for "elements" to filter or add form elements + var elements = jQuery.prop( this, "elements" ); + return elements ? jQuery.makeArray( elements ) : this; + } ).filter( function() { + var type = this.type; + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery( this ).is( ":disabled" ) && + rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && + ( this.checked || !rcheckableType.test( type ) ); + } ).map( function( _i, elem ) { + var val = jQuery( this ).val(); + + if ( val == null ) { + return null; + } + + if ( Array.isArray( val ) ) { + return jQuery.map( val, function( val ) { + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ); + } + + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ).get(); + } +} ); + + +var + r20 = /%20/g, + rhash = /#.*$/, + rantiCache = /([?&])_=[^&]*/, + rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, + + // #7653, #8125, #8152: local protocol detection + rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, + rnoContent = /^(?:GET|HEAD)$/, + rprotocol = /^\/\//, + + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + prefilters = {}, + + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + transports = {}, + + // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression + allTypes = "*/".concat( "*" ), + + // Anchor tag for parsing the document origin + originAnchor = document.createElement( "a" ); + +originAnchor.href = location.href; + +// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport +function addToPrefiltersOrTransports( structure ) { + + // dataTypeExpression is optional and defaults to "*" + return function( dataTypeExpression, func ) { + + if ( typeof dataTypeExpression !== "string" ) { + func = dataTypeExpression; + dataTypeExpression = "*"; + } + + var dataType, + i = 0, + dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; + + if ( isFunction( func ) ) { + + // For each dataType in the dataTypeExpression + while ( ( dataType = dataTypes[ i++ ] ) ) { + + // Prepend if requested + if ( dataType[ 0 ] === "+" ) { + dataType = dataType.slice( 1 ) || "*"; + ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); + + // Otherwise append + } else { + ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); + } + } + } + }; +} + +// Base inspection function for prefilters and transports +function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { + + var inspected = {}, + seekingTransport = ( structure === transports ); + + function inspect( dataType ) { + var selected; + inspected[ dataType ] = true; + jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { + var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); + if ( typeof dataTypeOrTransport === "string" && + !seekingTransport && !inspected[ dataTypeOrTransport ] ) { + + options.dataTypes.unshift( dataTypeOrTransport ); + inspect( dataTypeOrTransport ); + return false; + } else if ( seekingTransport ) { + return !( selected = dataTypeOrTransport ); + } + } ); + return selected; + } + + return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); +} + +// A special extend for ajax options +// that takes "flat" options (not to be deep extended) +// Fixes #9887 +function ajaxExtend( target, src ) { + var key, deep, + flatOptions = jQuery.ajaxSettings.flatOptions || {}; + + for ( key in src ) { + if ( src[ key ] !== undefined ) { + ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; + } + } + if ( deep ) { + jQuery.extend( true, target, deep ); + } + + return target; +} + +/* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ +function ajaxHandleResponses( s, jqXHR, responses ) { + + var ct, type, finalDataType, firstDataType, + contents = s.contents, + dataTypes = s.dataTypes; + + // Remove auto dataType and get content-type in the process + while ( dataTypes[ 0 ] === "*" ) { + dataTypes.shift(); + if ( ct === undefined ) { + ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); + } + } + + // Check if we're dealing with a known content-type + if ( ct ) { + for ( type in contents ) { + if ( contents[ type ] && contents[ type ].test( ct ) ) { + dataTypes.unshift( type ); + break; + } + } + } + + // Check to see if we have a response for the expected dataType + if ( dataTypes[ 0 ] in responses ) { + finalDataType = dataTypes[ 0 ]; + } else { + + // Try convertible dataTypes + for ( type in responses ) { + if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { + finalDataType = type; + break; + } + if ( !firstDataType ) { + firstDataType = type; + } + } + + // Or just use first one + finalDataType = finalDataType || firstDataType; + } + + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if ( finalDataType ) { + if ( finalDataType !== dataTypes[ 0 ] ) { + dataTypes.unshift( finalDataType ); + } + return responses[ finalDataType ]; + } +} + +/* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ +function ajaxConvert( s, response, jqXHR, isSuccess ) { + var conv2, current, conv, tmp, prev, + converters = {}, + + // Work with a copy of dataTypes in case we need to modify it for conversion + dataTypes = s.dataTypes.slice(); + + // Create converters map with lowercased keys + if ( dataTypes[ 1 ] ) { + for ( conv in s.converters ) { + converters[ conv.toLowerCase() ] = s.converters[ conv ]; + } + } + + current = dataTypes.shift(); + + // Convert to each sequential dataType + while ( current ) { + + if ( s.responseFields[ current ] ) { + jqXHR[ s.responseFields[ current ] ] = response; + } + + // Apply the dataFilter if provided + if ( !prev && isSuccess && s.dataFilter ) { + response = s.dataFilter( response, s.dataType ); + } + + prev = current; + current = dataTypes.shift(); + + if ( current ) { + + // There's only work to do if current dataType is non-auto + if ( current === "*" ) { + + current = prev; + + // Convert response if prev dataType is non-auto and differs from current + } else if ( prev !== "*" && prev !== current ) { + + // Seek a direct converter + conv = converters[ prev + " " + current ] || converters[ "* " + current ]; + + // If none found, seek a pair + if ( !conv ) { + for ( conv2 in converters ) { + + // If conv2 outputs current + tmp = conv2.split( " " ); + if ( tmp[ 1 ] === current ) { + + // If prev can be converted to accepted input + conv = converters[ prev + " " + tmp[ 0 ] ] || + converters[ "* " + tmp[ 0 ] ]; + if ( conv ) { + + // Condense equivalence converters + if ( conv === true ) { + conv = converters[ conv2 ]; + + // Otherwise, insert the intermediate dataType + } else if ( converters[ conv2 ] !== true ) { + current = tmp[ 0 ]; + dataTypes.unshift( tmp[ 1 ] ); + } + break; + } + } + } + } + + // Apply converter (if not an equivalence) + if ( conv !== true ) { + + // Unless errors are allowed to bubble, catch and return them + if ( conv && s.throws ) { + response = conv( response ); + } else { + try { + response = conv( response ); + } catch ( e ) { + return { + state: "parsererror", + error: conv ? e : "No conversion from " + prev + " to " + current + }; + } + } + } + } + } + } + + return { state: "success", data: response }; +} + +jQuery.extend( { + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: "GET", + isLocal: rlocalProtocol.test( location.protocol ), + global: true, + processData: true, + async: true, + contentType: "application/x-www-form-urlencoded; charset=UTF-8", + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + "*": allTypes, + text: "text/plain", + html: "text/html", + xml: "application/xml, text/xml", + json: "application/json, text/javascript" + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: "responseXML", + text: "responseText", + json: "responseJSON" + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + "* text": String, + + // Text to html (true = no transformation) + "text html": true, + + // Evaluate text as a json expression + "text json": JSON.parse, + + // Parse text as xml + "text xml": jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true + } + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function( target, settings ) { + return settings ? + + // Building a settings object + ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : + + // Extending ajaxSettings + ajaxExtend( jQuery.ajaxSettings, target ); + }, + + ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), + ajaxTransport: addToPrefiltersOrTransports( transports ), + + // Main method + ajax: function( url, options ) { + + // If url is an object, simulate pre-1.5 signature + if ( typeof url === "object" ) { + options = url; + url = undefined; + } + + // Force options to be an object + options = options || {}; + + var transport, + + // URL without anti-cache param + cacheURL, + + // Response headers + responseHeadersString, + responseHeaders, + + // timeout handle + timeoutTimer, + + // Url cleanup var + urlAnchor, + + // Request state (becomes false upon send and true upon completion) + completed, + + // To know if global events are to be dispatched + fireGlobals, + + // Loop variable + i, + + // uncached part of the url + uncached, + + // Create the final options object + s = jQuery.ajaxSetup( {}, options ), + + // Callbacks context + callbackContext = s.context || s, + + // Context for global events is callbackContext if it is a DOM node or jQuery collection + globalEventContext = s.context && + ( callbackContext.nodeType || callbackContext.jquery ) ? + jQuery( callbackContext ) : + jQuery.event, + + // Deferreds + deferred = jQuery.Deferred(), + completeDeferred = jQuery.Callbacks( "once memory" ), + + // Status-dependent callbacks + statusCode = s.statusCode || {}, + + // Headers (they are sent all at once) + requestHeaders = {}, + requestHeadersNames = {}, + + // Default abort message + strAbort = "canceled", + + // Fake xhr + jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function( key ) { + var match; + if ( completed ) { + if ( !responseHeaders ) { + responseHeaders = {}; + while ( ( match = rheaders.exec( responseHeadersString ) ) ) { + responseHeaders[ match[ 1 ].toLowerCase() + " " ] = + ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) + .concat( match[ 2 ] ); + } + } + match = responseHeaders[ key.toLowerCase() + " " ]; + } + return match == null ? null : match.join( ", " ); + }, + + // Raw string + getAllResponseHeaders: function() { + return completed ? responseHeadersString : null; + }, + + // Caches the header + setRequestHeader: function( name, value ) { + if ( completed == null ) { + name = requestHeadersNames[ name.toLowerCase() ] = + requestHeadersNames[ name.toLowerCase() ] || name; + requestHeaders[ name ] = value; + } + return this; + }, + + // Overrides response content-type header + overrideMimeType: function( type ) { + if ( completed == null ) { + s.mimeType = type; + } + return this; + }, + + // Status-dependent callbacks + statusCode: function( map ) { + var code; + if ( map ) { + if ( completed ) { + + // Execute the appropriate callbacks + jqXHR.always( map[ jqXHR.status ] ); + } else { + + // Lazy-add the new callbacks in a way that preserves old ones + for ( code in map ) { + statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; + } + } + } + return this; + }, + + // Cancel the request + abort: function( statusText ) { + var finalText = statusText || strAbort; + if ( transport ) { + transport.abort( finalText ); + } + done( 0, finalText ); + return this; + } + }; + + // Attach deferreds + deferred.promise( jqXHR ); + + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (#10093: consistency with old signature) + // We also use the url parameter if available + s.url = ( ( url || s.url || location.href ) + "" ) + .replace( rprotocol, location.protocol + "//" ); + + // Alias method option to type as per ticket #12004 + s.type = options.method || options.type || s.method || s.type; + + // Extract dataTypes list + s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; + + // A cross-domain request is in order when the origin doesn't match the current origin. + if ( s.crossDomain == null ) { + urlAnchor = document.createElement( "a" ); + + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url; + + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href; + s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== + urlAnchor.protocol + "//" + urlAnchor.host; + } catch ( e ) { + + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true; + } + } + + // Convert data if not already a string + if ( s.data && s.processData && typeof s.data !== "string" ) { + s.data = jQuery.param( s.data, s.traditional ); + } + + // Apply prefilters + inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); + + // If request was aborted inside a prefilter, stop there + if ( completed ) { + return jqXHR; + } + + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) + fireGlobals = jQuery.event && s.global; + + // Watch for a new set of requests + if ( fireGlobals && jQuery.active++ === 0 ) { + jQuery.event.trigger( "ajaxStart" ); + } + + // Uppercase the type + s.type = s.type.toUpperCase(); + + // Determine if request has content + s.hasContent = !rnoContent.test( s.type ); + + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace( rhash, "" ); + + // More options handling for requests with no content + if ( !s.hasContent ) { + + // Remember the hash so we can put it back + uncached = s.url.slice( cacheURL.length ); + + // If data is available and should be processed, append data to url + if ( s.data && ( s.processData || typeof s.data === "string" ) ) { + cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; + + // #9682: remove data so that it's not used in an eventual retry + delete s.data; + } + + // Add or update anti-cache param if needed + if ( s.cache === false ) { + cacheURL = cacheURL.replace( rantiCache, "$1" ); + uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + + uncached; + } + + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached; + + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if ( s.data && s.processData && + ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { + s.data = s.data.replace( r20, "+" ); + } + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + if ( jQuery.lastModified[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); + } + if ( jQuery.etag[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); + } + } + + // Set the correct header, if data is being sent + if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { + jqXHR.setRequestHeader( "Content-Type", s.contentType ); + } + + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + "Accept", + s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? + s.accepts[ s.dataTypes[ 0 ] ] + + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : + s.accepts[ "*" ] + ); + + // Check for headers option + for ( i in s.headers ) { + jqXHR.setRequestHeader( i, s.headers[ i ] ); + } + + // Allow custom headers/mimetypes and early abort + if ( s.beforeSend && + ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { + + // Abort if not done already and return + return jqXHR.abort(); + } + + // Aborting is no longer a cancellation + strAbort = "abort"; + + // Install callbacks on deferreds + completeDeferred.add( s.complete ); + jqXHR.done( s.success ); + jqXHR.fail( s.error ); + + // Get transport + transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); + + // If no transport, we auto-abort + if ( !transport ) { + done( -1, "No Transport" ); + } else { + jqXHR.readyState = 1; + + // Send global event + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); + } + + // If request was aborted inside ajaxSend, stop there + if ( completed ) { + return jqXHR; + } + + // Timeout + if ( s.async && s.timeout > 0 ) { + timeoutTimer = window.setTimeout( function() { + jqXHR.abort( "timeout" ); + }, s.timeout ); + } + + try { + completed = false; + transport.send( requestHeaders, done ); + } catch ( e ) { + + // Rethrow post-completion exceptions + if ( completed ) { + throw e; + } + + // Propagate others as results + done( -1, e ); + } + } + + // Callback for when everything is done + function done( status, nativeStatusText, responses, headers ) { + var isSuccess, success, error, response, modified, + statusText = nativeStatusText; + + // Ignore repeat invocations + if ( completed ) { + return; + } + + completed = true; + + // Clear timeout if it exists + if ( timeoutTimer ) { + window.clearTimeout( timeoutTimer ); + } + + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined; + + // Cache response headers + responseHeadersString = headers || ""; + + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0; + + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304; + + // Get response data + if ( responses ) { + response = ajaxHandleResponses( s, jqXHR, responses ); + } + + // Use a noop converter for missing script but not if jsonp + if ( !isSuccess && + jQuery.inArray( "script", s.dataTypes ) > -1 && + jQuery.inArray( "json", s.dataTypes ) < 0 ) { + s.converters[ "text script" ] = function() {}; + } + + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert( s, response, jqXHR, isSuccess ); + + // If successful, handle type chaining + if ( isSuccess ) { + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + modified = jqXHR.getResponseHeader( "Last-Modified" ); + if ( modified ) { + jQuery.lastModified[ cacheURL ] = modified; + } + modified = jqXHR.getResponseHeader( "etag" ); + if ( modified ) { + jQuery.etag[ cacheURL ] = modified; + } + } + + // if no content + if ( status === 204 || s.type === "HEAD" ) { + statusText = "nocontent"; + + // if not modified + } else if ( status === 304 ) { + statusText = "notmodified"; + + // If we have data, let's convert it + } else { + statusText = response.state; + success = response.data; + error = response.error; + isSuccess = !error; + } + } else { + + // Extract error from statusText and normalize for non-aborts + error = statusText; + if ( status || !statusText ) { + statusText = "error"; + if ( status < 0 ) { + status = 0; + } + } + } + + // Set data for the fake xhr object + jqXHR.status = status; + jqXHR.statusText = ( nativeStatusText || statusText ) + ""; + + // Success/Error + if ( isSuccess ) { + deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); + } else { + deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); + } + + // Status-dependent callbacks + jqXHR.statusCode( statusCode ); + statusCode = undefined; + + if ( fireGlobals ) { + globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", + [ jqXHR, s, isSuccess ? success : error ] ); + } + + // Complete + completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); + + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); + + // Handle the global AJAX counter + if ( !( --jQuery.active ) ) { + jQuery.event.trigger( "ajaxStop" ); + } + } + } + + return jqXHR; + }, + + getJSON: function( url, data, callback ) { + return jQuery.get( url, data, callback, "json" ); + }, + + getScript: function( url, callback ) { + return jQuery.get( url, undefined, callback, "script" ); + } +} ); + +jQuery.each( [ "get", "post" ], function( _i, method ) { + jQuery[ method ] = function( url, data, callback, type ) { + + // Shift arguments if data argument was omitted + if ( isFunction( data ) ) { + type = type || callback; + callback = data; + data = undefined; + } + + // The url can be an options object (which then must have .url) + return jQuery.ajax( jQuery.extend( { + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject( url ) && url ) ); + }; +} ); + +jQuery.ajaxPrefilter( function( s ) { + var i; + for ( i in s.headers ) { + if ( i.toLowerCase() === "content-type" ) { + s.contentType = s.headers[ i ] || ""; + } + } +} ); + + +jQuery._evalUrl = function( url, options, doc ) { + return jQuery.ajax( { + url: url, + + // Make this explicit, since user can override this through ajaxSetup (#11264) + type: "GET", + dataType: "script", + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + "text script": function() {} + }, + dataFilter: function( response ) { + jQuery.globalEval( response, options, doc ); + } + } ); +}; + + +jQuery.fn.extend( { + wrapAll: function( html ) { + var wrap; + + if ( this[ 0 ] ) { + if ( isFunction( html ) ) { + html = html.call( this[ 0 ] ); + } + + // The elements to wrap the target around + wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); + + if ( this[ 0 ].parentNode ) { + wrap.insertBefore( this[ 0 ] ); + } + + wrap.map( function() { + var elem = this; + + while ( elem.firstElementChild ) { + elem = elem.firstElementChild; + } + + return elem; + } ).append( this ); + } + + return this; + }, + + wrapInner: function( html ) { + if ( isFunction( html ) ) { + return this.each( function( i ) { + jQuery( this ).wrapInner( html.call( this, i ) ); + } ); + } + + return this.each( function() { + var self = jQuery( this ), + contents = self.contents(); + + if ( contents.length ) { + contents.wrapAll( html ); + + } else { + self.append( html ); + } + } ); + }, + + wrap: function( html ) { + var htmlIsFunction = isFunction( html ); + + return this.each( function( i ) { + jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); + } ); + }, + + unwrap: function( selector ) { + this.parent( selector ).not( "body" ).each( function() { + jQuery( this ).replaceWith( this.childNodes ); + } ); + return this; + } +} ); + + +jQuery.expr.pseudos.hidden = function( elem ) { + return !jQuery.expr.pseudos.visible( elem ); +}; +jQuery.expr.pseudos.visible = function( elem ) { + return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); +}; + + + + +jQuery.ajaxSettings.xhr = function() { + try { + return new window.XMLHttpRequest(); + } catch ( e ) {} +}; + +var xhrSuccessStatus = { + + // File protocol always yields status code 0, assume 200 + 0: 200, + + // Support: IE <=9 only + // #1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + }, + xhrSupported = jQuery.ajaxSettings.xhr(); + +support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); +support.ajax = xhrSupported = !!xhrSupported; + +jQuery.ajaxTransport( function( options ) { + var callback, errorCallback; + + // Cross domain only allowed if supported through XMLHttpRequest + if ( support.cors || xhrSupported && !options.crossDomain ) { + return { + send: function( headers, complete ) { + var i, + xhr = options.xhr(); + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ); + + // Apply custom fields if provided + if ( options.xhrFields ) { + for ( i in options.xhrFields ) { + xhr[ i ] = options.xhrFields[ i ]; + } + } + + // Override mime type if needed + if ( options.mimeType && xhr.overrideMimeType ) { + xhr.overrideMimeType( options.mimeType ); + } + + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { + headers[ "X-Requested-With" ] = "XMLHttpRequest"; + } + + // Set headers + for ( i in headers ) { + xhr.setRequestHeader( i, headers[ i ] ); + } + + // Callback + callback = function( type ) { + return function() { + if ( callback ) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null; + + if ( type === "abort" ) { + xhr.abort(); + } else if ( type === "error" ) { + + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if ( typeof xhr.status !== "number" ) { + complete( 0, "error" ); + } else { + complete( + + // File: protocol always yields status 0; see #8605, #14207 + xhr.status, + xhr.statusText + ); + } + } else { + complete( + xhrSuccessStatus[ xhr.status ] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + ( xhr.responseType || "text" ) !== "text" || + typeof xhr.responseText !== "string" ? + { binary: xhr.response } : + { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ); + } + } + }; + }; + + // Listen to events + xhr.onload = callback(); + errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if ( xhr.onabort !== undefined ) { + xhr.onabort = errorCallback; + } else { + xhr.onreadystatechange = function() { + + // Check readyState before timeout as it changes + if ( xhr.readyState === 4 ) { + + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout( function() { + if ( callback ) { + errorCallback(); + } + } ); + } + }; + } + + // Create the abort callback + callback = callback( "abort" ); + + try { + + // Do send the request (this may raise an exception) + xhr.send( options.hasContent && options.data || null ); + } catch ( e ) { + + // #14683: Only rethrow if this hasn't been notified as an error yet + if ( callback ) { + throw e; + } + } + }, + + abort: function() { + if ( callback ) { + callback(); + } + } + }; + } +} ); + + + + +// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) +jQuery.ajaxPrefilter( function( s ) { + if ( s.crossDomain ) { + s.contents.script = false; + } +} ); + +// Install script dataType +jQuery.ajaxSetup( { + accepts: { + script: "text/javascript, application/javascript, " + + "application/ecmascript, application/x-ecmascript" + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + "text script": function( text ) { + jQuery.globalEval( text ); + return text; + } + } +} ); + +// Handle cache's special case and crossDomain +jQuery.ajaxPrefilter( "script", function( s ) { + if ( s.cache === undefined ) { + s.cache = false; + } + if ( s.crossDomain ) { + s.type = "GET"; + } +} ); + +// Bind script tag hack transport +jQuery.ajaxTransport( "script", function( s ) { + + // This transport only deals with cross domain or forced-by-attrs requests + if ( s.crossDomain || s.scriptAttrs ) { + var script, callback; + return { + send: function( _, complete ) { + script = jQuery( " +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
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+ + + + + +
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+
+
+ +
+ + + + + +
+

Cryptographic algorithms

+

The following algorithms MUST be supported:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Algorithm

Operations

References

RS256

Signature

RFC 7518.

RS512

Signature

RFC 7518.

RSA-OAEP

Key Encryption

RFC 7518.

RSA-OAEP-256

Key Encryption

RFC 7516.

A128CBC-HS256

Content Encryption

RFC 7516.

A256CBC-HS512

Content Encryption

RFC 7516.

+

The following algorithms are RECOMMENDED to be supported:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Algorithm

Operations

References

ES256

Signature

RFC 7518.

ES512

Signature

RFC 7518.

PS256

Signature

RFC 7518.

PS512

Signature

RFC 7518.

ECDH-ES

Key Encryption

RFC 7518.

ECDH-ES+A128KW

Key Encryption

RFC 7518.

ECDH-ES+A256KW

Key Encryption

RFC 7518.

+

The following algorithms MUST NOT be supported:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Algorithm

Operations

References

none

Signature

RFC 7518.

RSA_1_5

Key Encryption

RFC 7516.

HS256

Signature

RFC 7518.

HS384

Signature

RFC 7518.

HS512

Signature

RFC 7518.

+
+

Warning

+

The length of the RSA keys MUST be equal to or greater than 2048 bits. +A length of 4096 bits is RECOMMENDED.

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/backup-restore.html b/mdoccbor/en/backup-restore.html new file mode 100644 index 000000000..b5aa7d7c7 --- /dev/null +++ b/mdoccbor/en/backup-restore.html @@ -0,0 +1,1297 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | backup-restore.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
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+ + + + + +
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+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

backup-restore.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/contribute.html b/mdoccbor/en/contribute.html new file mode 100644 index 000000000..164877b7e --- /dev/null +++ b/mdoccbor/en/contribute.html @@ -0,0 +1,1250 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | contribute.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

contribute.rst

+

Instruction to join in the development here.

+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/defined-terms.html b/mdoccbor/en/defined-terms.html new file mode 100644 index 000000000..835f7402a --- /dev/null +++ b/mdoccbor/en/defined-terms.html @@ -0,0 +1,1328 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Defined Terms + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
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+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

Defined Terms

+

The terms User, Trust Service, Trust Model, Trusted List, Trust Framework, Attribute, Electronic Attestations of Attributes Provider or Trust Service Provider (TSP), Person Identification Data (PID), Revocation List, Qualified Electronic Attestations of Attributes Provider or Qualified Trust Service Provider (QTSP), Electronic Attestation of Attributes (EAA), are defined in the EIDAS-ARF.

+

Below are the description of acronyms and definitions which are useful for further insights into topics that complement the it-wallet and the interacting components.

+ ++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Accreditation Body

An entity accredited by the Federation Authority, responsible for managing the process of verification and certification of accreditation requirements for ecosystem roles.

Digital Identity Provider

An entity, recognized and accredited by the State, responsible for identifying citizens for the issuance of an Electronic Identity Certificate.

Electronic Attestation of Identity

Electronic attestation of attributes referring to master data already present in Italian digital identity systems.

Federation Authority

A public governance entity that issues guidelines and technical rules, and administers - directly or through its intermediary - Trusted Lists, services, and accreditation processes, the status of participants, and their eligibility evaluation. It also performs oversight functions.

Wallet Instance

An instance of the Wallet Solution, installed on a personal mobile device and controlled by a specific User who is its sole owner. It is the application that enables citizens to fully and autonomously manage their digital identity and EAAs.

Wallet Provider

All public and/or private entities, conforming to a technical profile and accredited by the Federation Authority, that provide citizens with an IT Wallet Instance.

Qualified Electronic Attestation of Attributes (QEAA)

A digitally verifiable attestation in electronic form, issued by a QTSP, that substantiates a person's possession of attributes.

Qualified Electronic Signature Provider

The Electronic Trust Service Provider responsible for the issuing of Qualified Electronic Signature certificates to the User.

Relying Party

A natural or legal person that implements an authentication system requiring electronic attribute attestation submissions as an authentication mechanism.

Trust Attestation

Electronic attestation of an entity's compliance with the national regulatory framework, which is cryptographically verifiable and cannot be repudiated over time by the entity that issued it. A Trust Attestation is always related to a particular Trust Framework.

Trust Layer

An architectural component that enables IT Wallet system participants to establish trust, in terms of reliability and compliance of all participants with the regulatory framework governing the digital identity system.

+
+

Acronyms

+ ++++ + + + + + + + + + + + + + + + + + + + + + + +

Acronym

Description

OID4VP

OpenID for Verifiable Presentation

PID

Person Identification Data

VC

Verifiable Credential

VP

Verifiable Presentation

API

Application Programming Interface

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/genindex.html b/mdoccbor/en/genindex.html new file mode 100644 index 000000000..72e46845f --- /dev/null +++ b/mdoccbor/en/genindex.html @@ -0,0 +1,1296 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Index + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + +

Index

+ +
+ R + +
+

R

+ + +
+ + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/index.html b/mdoccbor/en/index.html new file mode 100644 index 000000000..1f8b6c149 --- /dev/null +++ b/mdoccbor/en/index.html @@ -0,0 +1,1398 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Italian eIDAS Wallet Technical Specifications + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
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+ + +
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+
+
+ +
+ + + +
+

Italian eIDAS Wallet Technical Specifications

+
+

Introduction

+

What is eIDAS

+

eIDAS stands for "electronic IDentification, Authentication and trust Services" and is the commonly used name for the EU Regulation, 910/2014, on electronic identification and trust services for electronic transactions in the internal market, repealing the old signature Directive 1999/93/EC.

+

The new eIDAS project establishes the European Digital Identity Wallet (EUDI Wallet) and proposes to overcome the dissimilarities, both in technological and user experience terms, that exist among the 21 digital identities (eIDs) currently active within as many as 16 Member States.

+

What is IT Wallet

+

The IT Wallet project was created to improve the national digital identity governance experience and respond to the input received from the European community in the areas of innovation, decentralization and digital awareness.

+

To date, three identity systems coexist in Italy for access to public and private web services, namely:

+
+
    +
  • Electronic Identity Card (CIE);

  • +
  • Public Digital Identity System (SPID);

  • +
  • Health Card - National Service Card (TS-CNS).

  • +
+
+

The result is a difficult, and thus costly, experience for citizens and service providers who must implement and maintain multiple authentication systems to ensure citizens' access to their digital services.

+

Therefore, the IT Wallet proposes to:

+
+
    +
  • Streamline the digital identity ecosystem in Italy, optimizing the allocation of public resources;

  • +
  • Simplify the digital access experience for citizens, the Public Administration and businesses;

  • +
  • Integrate new functions related to certified attributes, strengthening the digital identity model and promoting the inclusion of public and private entities;

  • +
  • Consolidate best practices in digital identities in Italy by maximizing deployment, quality of use and infrastructure provision;

  • +
  • Adequately accommodate the European Digital Identity Wallet on the basis of the experience acquired by developing the national Wallet in full compliance with the European model.

  • +
+
+

In order to achieve these objectives and enhance the already active and eIDAS-notified digital identity schemes, the IT Wallet project proposes a technological and governance evolution that envisages, in a progressive way, the migration of the digital identification component of CIE and SPID to IT Wallet.

+

Purpose of these technical rules

+

The purpose of the following technical rules is to define the technical architecture and reference framework to be used as a guideline by all the parties involved in the development of the IT Wallet project.

+

In this documentation you can find the technical specification +for implementing the following components:

+
+
    +
  • Entities of the ecosystem according to EIDAS-ARF.

  • +
  • Infrastructure of trust attesting realiability and eligibility of the participants.

  • +
  • PID and EAAs data schemes and attribute sets.

  • +
  • PID/EAA in MDL CBOR format.

  • +
  • PID/EAA in SD-JWT format.

  • +
  • Wallet Solution general architecture.

  • +
  • Wallet Instance Attestation data model in JWS format.

  • +
  • Issuance of PID/EAA according to OpenID4VCI.

  • +
  • Presentation of PID/EAA according to OpenID4VP.

  • +
  • Presentation of pseudonyms according to SIOPv2.

  • +
  • PID/EAA backup and restore mechanisms.

  • +
  • PID/EAA revocation lists.

  • +
+
+
+
+

Index of content

+
+ +
+
+
+ + + + + +
+ +
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+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/objects.inv b/mdoccbor/en/objects.inv new file mode 100644 index 000000000..48f333fb1 Binary files /dev/null and b/mdoccbor/en/objects.inv differ diff --git a/mdoccbor/en/pid-data-model.html b/mdoccbor/en/pid-data-model.html new file mode 100644 index 000000000..26bc3a937 --- /dev/null +++ b/mdoccbor/en/pid-data-model.html @@ -0,0 +1,2033 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | PID Data Model + + + + + + + + + + + + + + + + + + + + + +
+ + +
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+ +
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+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
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+ +
+ + + + + +
+

PID Data Model

+

The Person Identification Data (PID) is issued by the PID Provider following national laws and allows a natural person to be authenitcated and identified.

+

The User attributes carried in the Italian PID are:

+
+
    +
  • Current Family Name

  • +
  • Current First Name

  • +
  • Date of Birth

  • +
  • Place of Birth

  • +
  • Unique Identifier

  • +
  • Taxpayer identification number

  • +
+
+

This section contains all about the data model elements and the encoding formats as specified +in the SD-JWT and the ISO/IEC 18013-5 standards and extended by EIDAS-ARF .

+
+

SD-JWT

+

The PID is given as a digital credential with JSON payload based on the Selective Disclosure JWT format as specified in [draft-terbu-sd-jwt-vc-latest].

+

An SD-JWT is a JWT that MUST be signed using the Issuer's private key. The SD-JWT payload of the MUST contain the _sd_alg claim described in [SD-JWT]. Section 5.1.2. and other claims specified in this section, some of them may be selectively disclosable claims.

+

The claim _sd_alg indicates the hash algorithm used by the Issuer to generate the digests over the salts and the claim values. The _sd_alg claim MUST be set to one of the specified algorithms in Section Cryptographic Algorithms.

+

Selectively disclosable claims are omitted from the SD-JWT. Instead, the digests of the respective disclosures and decoy digests are contained as an array in a _sd JWT claim.

+

Each digest value ensures the integrity of, and maps to, the respective Disclosure. Digest values are calculated using a hash function over the disclosures, each of which contains

+
+
    +
  • a random salt,

  • +
  • the claim name (only when the claim is an object property),

  • +
  • the claim value.

  • +
+
+

The Disclosures are sent to the Holder together with the SD-JWT in the Combined Format for Issuance that MUST be an ordered series of base64url-encoded values, each separated from the next by a single tilde ('~') character as follows:

+
<SD-JWT>~<Disclosure 1>~<Disclosure 2>~...~<Disclosure N>
+
+
+

See [draft-terbu-sd-jwt-vc-latest] and [SD-JWT] for more details.

+
+
+

SD-JWT Data Elements

+

The JOSE header contains the following mandatory parameters:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

typ

MUST be set to vc+sd-jwt as defined in [draft-terbu-sd-jwt-vc-latest].

[RFC7515, Section 4.1.9].

alg

Signature Algorithm.

[RFC7515, Section 4.1.1].

kid

Unique identifier of the public key.

[RFC7515, Section 4.1.8].

trust_chain

JSON array containing the trust chain that proves the reliability of the issuer of the JWT.

[OIDC-FED, Section 3.2.1].

+

The following claims MUST be in the JWT payload and MUST NOT be included in the disclosures, i.e. cannot be selectively disclosed.

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

iss

The PID Provider identifier as URL string (the issuer of this JWT)

[RFC7519, Section 4.1.1].

sub

Thumbprint of the JWK in the cnf parameter

[RFC7519, Section 4.1.2].

jti

Unique Token ID identifier of this JWT. It SHOULD be a String in uuid4 format.

[RFC7519, Section 4.1.7].

iat

UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in RFC 7519.

[RFC7519, Section 4.1.6].

exp

UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in RFC 7519.

[RFC7519, Section 4.1.4].

status

HTTPS URL where the credential validity status is available

[SD-JWT-VC. Section 4.2.2.2].

cnf

JSON object containing the proof-of-possession key materials. By including a cnf (confirmation) claim in a JWT, the issuer of the JWT declares that the presenter is in control of the private key related to the public one defined in the cnf parameter. The recipient MUST cryptographically verify that the presenter is in control of that key.

[RFC7800, Section 3.1].

type

Credential type as a string, MUST be set to eu.eudiw.pid.it.

[draft-terbu-sd-jwt-vc-latest. Section 4.2.2.2].

verified_claims

JSON object containing the following sub-elements:

+
+
    +
  • verification;

  • +
  • claims.

  • +
+
+

[OIDC.IDA. Section 5].

+

Since the Italian PID is extended according to the OpenID Identity Assurance Profile [OIDC.IDA], +that enables the binding of the PID to a national trust framework, giving all the evidence of the identity proofing procedures, +the verification claim contain the information as sub claims regarding the identity proofing evidence during the issuing phase of the PID. +The claims parameter contains the user attributes claims. Some of these additional claims MAY be included in the Disclosures and MAY be +selectively disclosed and they are given in the following tables that also specify whether a claim is selectively disclosable (SD) or not (NSD).

+

The verification claim is a JSON structure with all the following mandatory sub-claims.

+ +++++ + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

trust_framework

[NSD]. MUST be set to eidas

[OID.IDA. Section 5.1]

assurance_level

[NSD]. MUST be set to high

[OID.IDA. Section 5.1]

evidence

[SD]. JSON Array. Each element is the electronic evidence of the user identification during the PID issuing phase. It MUST contain at least the following claims:

+
+
    +
  • type: MUST be set to electronic_record

  • +
  • record: JSON object (see the table below)

  • +
+
+

[OID.IDA. Section 5.1]

+

The record MUST have at least the following sub parameters:

+ +++++ + + + + + + + + + + + + + + + + +

Claim

Description

Reference

type

identification of the national eID framework used by the User. For example eidas.it.cie means that the CIE id identification scheme is used by the User.

[OID.IDA. Section 5.1.1.2]

source

JSON Object cointaining the follwoing mandatory claims:

+
    +
  • organization_name: Name of the Organization handling the eID used by the User

  • +
  • organization_id: Identification code for the Organization. It MUST be set to the IPA Code of the Organization

  • +
  • country_code: String representing country in [ISO3166-1] Alpha-2 (e.g., IT) or [ISO3166-3] syntax.

  • +
+

[OID.IDA. Section 5.1.1.2]

+
+

Warning

+

Note that the sub-claims of the evidence parameter are not selectively disclosable separately, thus, for example, the User cannot give only the record type without disclosure the record source (organization name, identifier and country that hendles the User identity proofing).

+
+

Finally, the claims parameter contains the following mandatory claims:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

given_name

[SD]. Current First Name

[OpenID Connect Core 1.0, Section 5.1]

family_name

[SD]. Current Family Name

[OpenID Connect Core 1.0, Section 5.1]

birthdate

[SD]. Date of Birth

[OpenID Connect Core 1.0, Section 5.1]

place_of_birth

[SD]. Place of Birth. JSON Object with the following subclaims:

+
    +
  • country

  • +
  • locality

  • +
+

[OpenID Connect for Identity Assurance 1.0, Section 4]

unique_id

[SD]. Unique citizen identifier (ID ANPR) given by the National Register of the Resident Population (ANPR). It MUST be set according to ANPR rules

This specification

tax_id_number

[SD]. National tax identification code of natural person as a String format. It MUST be set according to ETSI EN 319 412-1. For example TINIT-<ItalianTaxIdentificationNumber>

This specification

+
+

Non-normative examples

+

In the following, we provide a non-normative example of PID VC in JSON.

+
{
+"verified_claims": {
+    "verification": {
+      "trust_framework": "eidas",
+      "assurance_level": "high",
+      "evidence": [
+        {
+          "type": "electronic_record",
+          "record": {
+            "type": "eidas.it.cie",
+            "source": {
+              "organization_name": "Ministero dell'Interno",
+              "organization_id": "m_it",
+              "country_code": "IT"
+            }
+          }
+        }
+      ]
+    },
+    "claims": {
+      "unique_id":
+        "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
+      "given_name": "Mario",
+      "family_name": "Rossi",
+      "birthdate": "1980-01-10",
+      "place_of_birth": {
+        "country": "IT",
+        "locality": "Rome"
+      },
+      "tax_id_number": "TINIT-XXXXXXXXXXXXXXXX"
+    }
+  }
+}
+
+
+

The corresponding SD-JWT verson for PID is given by

+
{
+   "typ":"vc+sd-jwt",
+   "alg":"RS512",
+   "kid":"dB67gL7ck3TFiIAf7N6_7SHvqk0MDYMEQcoGGlkUAAw",
+   "trust_chain" : [
+    "NEhRdERpYnlHY3M5WldWTWZ2aUhm ...",
+    "eyJhbGciOiJSUzI1NiIsImtpZCI6 ...",
+    "IkJYdmZybG5oQU11SFIwN2FqVW1B ..."
+   ]
+}
+
+
+
{
+  "iss": "https://pidprovider.example.org",
+  "sub": "NzbLsXh8uDCcd7noWXFZAfHkxZsRGC9Xs...",
+  "jti": "urn:uuid:6c5c0a49-b589-431d-bae7-219122a9ec2c",
+  "iat": 1541493724,
+  "exp": 1541493724,
+  "status": "https://pidprovider.example.org/status",
+  "cnf": {
+    "jwk": {
+      "kty": "RSA",
+      "use": "sig",
+      "n": "1Ta-sE …",
+      "e": "AQAB",
+      "kid": "YhNFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs"
+    }
+  },
+  "type": "PersonIdentificationData",
+  "verified_claims": {
+    "verification": {
+      "_sd": [
+        "OGm7ryXgt5Xzlevp-Hu-UTk0a-TxAaPAobqv1pIWMfw"
+      ],
+      "trust_framework": "eidas",
+      "assurance_level": "high"
+    },
+    "claims": {
+      "_sd": [
+        "8JjozBfovMNvQ3HflmPWy4O19Gpxs61FWHjZebU589E",
+        "BoMGktW1rbikntw8Fzx_BeL4YbAndr6AHsdgpatFCig",
+        "CFLGzentGNRFngnLVVQVcoAFi05r6RJUX-rdbLdEfew",
+        "JU_sTaHCngS32X-0ajHrd1-HCLCkpT5YqgcfQme168w",
+        "VQI-S1mT1Kxfq2o8J9io7xMMX2MIxaG9M9PeJVqrMcA",
+        "zVdghcmClMVWlUgGsGpSkCPkEHZ4u9oWj1SlIBlCc1o"
+      ]
+    }
+  },
+  "_sd_alg": "sha-256"
+}
+
+
+

In the following the disclosure list is given

+

Claim evidence:

+
    +
  • SHA-256 Hash: OGm7ryXgt5Xzlevp-Hu-UTk0a-TxAaPAobqv1pIWMfw

  • +
  • Disclosure: +WyIyR0xDNDJzS1F2ZUNmR2ZyeU5STjl3IiwgImV2aWRlbmNlIiwgW3sidHlw +ZSI6ICJlbGVjdHJvbmljX3JlY29yZCIsICJyZWNvcmQiOiB7InR5cGUiOiAi +ZWlkYXMuaXQuY2llIiwgInNvdXJjZSI6IHsib3JnYW5pemF0aW9uX25hbWUi +OiAiTWluaXN0ZXJvIGRlbGwnSW50ZXJubyIsICJvcmdhbml6YXRpb25faWQi +OiAibV9pdCIsICJjb3VudHJ5X2NvZGUiOiAiSVQifX19XV0

  • +
  • Contents: ["2GLC42sKQveCfGfryNRN9w", "evidence", [{"type": +"electronic_record", "record": {"type": "eidas.it.cie", +"source": {"organization_name": "Ministero dell'Interno", +"organization_id": "m_it", "country_code": "IT"}}}]]

  • +
+

Claim unique_id:

+
    +
  • SHA-256 Hash: BoMGktW1rbikntw8Fzx_BeL4YbAndr6AHsdgpatFCig

  • +
  • Disclosure: +WyJlbHVWNU9nM2dTTklJOEVZbnN4QV9BIiwgInVuaXF1ZV9pZCIsICJ4eHh4 +eHh4eC14eHh4LXh4eHgteHh4eC14eHh4eHh4eHh4eHgiXQ

  • +
  • Contents: ["eluV5Og3gSNII8EYnsxA_A", "unique_id", +"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"]

  • +
+

Claim given_name:

+
    +
  • SHA-256 Hash: zVdghcmClMVWlUgGsGpSkCPkEHZ4u9oWj1SlIBlCc1o

  • +
  • Disclosure: +WyI2SWo3dE0tYTVpVlBHYm9TNXRtdlZBIiwgImdpdmVuX25hbWUiLCAiTWFy +aW8iXQ

  • +
  • Contents: ["6Ij7tM-a5iVPGboS5tmvVA", "given_name", "Mario"]

  • +
+

Claim family_name:

+
    +
  • SHA-256 Hash: VQI-S1mT1Kxfq2o8J9io7xMMX2MIxaG9M9PeJVqrMcA

  • +
  • Disclosure: +WyJlSThaV205UW5LUHBOUGVOZW5IZGhRIiwgImZhbWlseV9uYW1lIiwgIlJv +c3NpIl0

  • +
  • Contents: ["eI8ZWm9QnKPpNPeNenHdhQ", "family_name", "Rossi"]

  • +
+

Claim birthdate:

+
    +
  • SHA-256 Hash: CFLGzentGNRFngnLVVQVcoAFi05r6RJUX-rdbLdEfew

  • +
  • Disclosure: +WyJRZ19PNjR6cUF4ZTQxMmExMDhpcm9BIiwgImJpcnRoZGF0ZSIsICIxOTgw +LTAxLTEwIl0

  • +
  • Contents: ["Qg_O64zqAxe412a108iroA", "birthdate", "1980-01-10"]

  • +
+

Claim place_of_birth:

+
    +
  • SHA-256 Hash: JU_sTaHCngS32X-0ajHrd1-HCLCkpT5YqgcfQme168w

  • +
  • Disclosure: +WyJBSngtMDk1VlBycFR0TjRRTU9xUk9BIiwgInBsYWNlX29mX2JpcnRoIiwg +eyJjb3VudHJ5IjogIklUIiwgImxvY2FsaXR5IjogIlJvbWUifV0

  • +
  • Contents: +["AJx-095VPrpTtN4QMOqROA", "place_of_birth", {"country": +"IT", "locality": "Rome"}]

  • +
+

Claim tax_id_code:

+
    +
  • SHA-256 Hash: 8JjozBfovMNvQ3HflmPWy4O19Gpxs61FWHjZebU589E

  • +
  • Disclosure: +WyJQYzMzSk0yTGNoY1VfbEhnZ3ZfdWZRIiwgInRheF9pZF9jb2RlIiwgIlRJ +TklULVhYWFhYWFhYWFhYWFhYWFgiXQ

  • +
  • Contents: ["Pc33JM2LchcU_lHggv_ufQ", "tax_id_code", +"TINIT-XXXXXXXXXXXXXXXX"]

  • +
+

The combined format for the PID issuance is given by

+
eyJhbGciOiAiRVMyNTYifQ.eyJpc3MiOiAiaHR0cHM6Ly9waWRwcm92aWRlci5pdCIsI
+CJpYXQiOiAxNjgzMDAwMDAwLCAiZXhwIjogMTg4MzAwMDAwMCwgInZlcmlmaWVkX2NsY
+WltcyI6IHsidmVyaWZpY2F0aW9uIjogeyJfc2QiOiBbIk9HbTdyeVhndDVYemxldnAtS
+HUtVVRrMGEtVHhBYVBBb2JxdjFwSVdNZnciXSwgInRydXN0X2ZyYW1ld29yayI6ICJla
+WRhcyIsICJhc3N1cmFuY2VfbGV2ZWwiOiAiaGlnaCJ9LCAiY2xhaW1zIjogeyJfc2QiO
+iBbIjhKam96QmZvdk1OdlEzSGZsbVBXeTRPMTlHcHhzNjFGV0hqWmViVTU4OUUiLCAiQ
+m9NR2t0VzFyYmlrbnR3OEZ6eF9CZUw0WWJBbmRyNkFIc2RncGF0RkNpZyIsICJDRkxHe
+mVudEdOUkZuZ25MVlZRVmNvQUZpMDVyNlJKVVgtcmRiTGRFZmV3IiwgIkpVX3NUYUhDb
+mdTMzJYLTBhakhyZDEtSENMQ2twVDVZcWdjZlFtZTE2OHciLCAiVlFJLVMxbVQxS3hmc
+TJvOEo5aW83eE1NWDJNSXhhRzlNOVBlSlZxck1jQSIsICJ6VmRnaGNtQ2xNVldsVWdHc
+0dwU2tDUGtFSFo0dTlvV2oxU2xJQmxDYzFvIl19fSwgIl9zZF9hbGciOiAic2hhLTI1N
+iJ9.gsvYGCpWbnx8Dkd5ofKq-MtZplFFV49uY42Yf9S3rZe_SPTjg_AWdpm4bvSOhNbe
+P0aMzFGtftSk3-3sufXBdw~WyIyR0xDNDJzS1F2ZUNmR2ZyeU5STjl3IiwgImV2aWRlb
+mNlIiwgW3sidHlwZSI6ICJlbGVjdHJvbmljX3JlY29yZCIsICJyZWNvcmQiOiB7InR5c
+GUiOiAiZWlkYXMuaXQuY2llIiwgInNvdXJjZSI6IHsib3JnYW5pemF0aW9uX25hbWUiO
+iAiTWluaXN0ZXJvIGRlbGwnSW50ZXJubyIsICJvcmdhbml6YXRpb25faWQiOiAibV9pd
+CIsICJjb3VudHJ5X2NvZGUiOiAiSVQifX19XV0~WyJlbHVWNU9nM2dTTklJOEVZbnN4Q
+V9BIiwgInVuaXF1ZV9pZCIsICJ4eHh4eHh4eC14eHh4LXh4eHgteHh4eC14eHh4eHh4e
+Hh4eHgiXQ~WyI2SWo3dE0tYTVpVlBHYm9TNXRtdlZBIiwgImdpdmVuX25hbWUiLCAiTW
+FyaW8iXQ~WyJlSThaV205UW5LUHBOUGVOZW5IZGhRIiwgImZhbWlseV9uYW1lIiwgIlJ
+vc3NpIl0~WyJRZ19PNjR6cUF4ZTQxMmExMDhpcm9BIiwgImJpcnRoZGF0ZSIsICIxOTg
+wLTAxLTEwIl0~WyJBSngtMDk1VlBycFR0TjRRTU9xUk9BIiwgInBsYWNlX29mX2JpcnR
+oIiwgeyJjb3VudHJ5IjogIklUIiwgImxvY2FsaXR5IjogIlJvbWUifV0~WyJQYzMzSk0
+yTGNoY1VfbEhnZ3ZfdWZRIiwgInRheF9pZF9jb2RlIiwgIlRJTklULVhYWFhYWFhYWFh
+YWFhYWFgiXQ
+
+
+
+
+
+

MDOC-CBOR

+

The PID MDOC-CBOR data model is defined in +ISO/IEC 18013-5, the standard born for the the mobile driving license (mDL) use case.

+

The MDOC data elements for the EUDI Wallet PID +are those defined in the EIDAS-ARF, these must be encoded as defined in RFC 8949 - Concise Binary Object Representation (CBOR).

+

The PID MDOC-CBOR document type uses the namespace eu.europa.ec.eudiw.pid.1, +according to the reverse domain approach defined in the +EIDAS-ARF and in fully harmonization with the ISO/IEC 18013-5 standard.

+

The the data elements contained in the document, uses the same namespace +for the required PID attributes, while the national PID attributes use the domestic +namespace eu.europa.ec.eudiw.pid.it.1, defined in this implementation profile.

+
+

Note

+

This specification publishes the Italian PID MDOC-CBOR namespace, +including all data element identifiers, their definition +and encoding format.

+
+
+
+
+

MDOC-CBOR Data Schema

+

A PID issued in the MDOC-CBOR format must have the following data element:

+ +++++ + + + + + + + + + + + + + + + + +

Element

Encoding

Description

docType

tstr (text string)

The document type.

issuerSigned

bstr (byte string)

The issuerSigned object containing the nameSpaces and the +issuerAuth objects.

+
+

Note

+

The issuerSigned contains the nameSpaces object and the +Mobile Security Object, however sole signed object is +the Mobile Security Object, while the nameSpaces object is not +signed.

+
+

A non-normative example of the PID document is represented below.

+

..code-block:

+
{
+  "docType": "eu.europa.ec.eudiw.pid.1",
+  "issuerSigned": {
+      "nameSpaces": {
+          "eu.europa.ec.eudiw.pid.1": [
+              {
+                  "digestID": 0,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "family_name",
+                  "elementValue": "Rossi"
+              },
+              {
+                  "digestID": 1,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "given_name",
+                  "elementValue": "Mario"
+              },
+              {
+                  "digestID": 2,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "birth_date",
+                  "elementValue": {
+                      "CBORTag:1004": "2007-10-20"
+                  }
+              },
+              {
+                  "digestID": 3,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "birth_place",
+                  "elementValue": "Rome"
+              },
+              {
+                  "digestID": 4,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "birth_country",
+                  "elementValue": "IT"
+              }
+          ],
+          "eu.europa.ec.eudiw.pid.it.1": [
+              {
+                  "digestID": 0,
+                  "random": $binary-random-value,
+                  "elementIdentifier": "tax_id_code",
+                  "elementValue": "TINIT-XXXXXXXXXXXXXXXX"
+              },
+          ],
+          ]
+      },
+      "issuerAuth": $MobileSecurityObject,
+  },
+}
+
+
+
+
+

nameSpaces

+

The nameSpaces object contains the key value representing the namespaces +where each value is an array of IssuerSignedItems encoded in CBORTag(24), representing the disclosure information for each digest within the Mobile Security Object.

+

Each digest disclosure object contains the following parameters:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Name

Encoding

Description

digestID

integer

Digest unique identifier within its namespace.

random

bstr (byte string)

Random byte value used as salt for the hash function. This value shall be different for each IssuerSignedItem and shall have a minimum length of 16 bytes.

elementIdentifier

tstr (text string)

User attribute name.

elementValue

depends by the value, see the next table.

User attribute value.

+

The supported elementValue in this specification are the followings:

+ ++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Element

Encoding

given_name

tstr (text string)

family_name

tstr (text string)

birth_date

full-date (CBORTag 1004)

birth_place

tstr (text string)

birth_country

tstr (text string)

unique_id

tstr (text string)

tax_id_code

tstr (text string)

+
+
+

Mobile Security Object

+

The Mobile Security Object is an untagged value containing a COSE Sign1 Document, as defined in RFC 9052 - CBOR Object Signing and Encryption (COSE): Structures and Process. It is composed by:

+
    +
  • protected header

  • +
  • unprotected header

  • +
  • payload

  • +
  • signature.

  • +
+

The protected header must contain the following parameter encoded in CBOR format:

+ +++++ + + + + + + + + + + + + +

Element

Description

Reference

Signature algorithm

-7 means ES256, SHA-256.

RFC8152

+
+

Note

+

Only the Signature Algorithm must be present in the protected headers, other elements should not be present in the protected header.

+
+

The unprotected header must contain the following parameter:

+ +++++ + + + + + + + + + + + + +

Element

Description

Reference

x5chain

Identified with the label 33

RFC 9360 CBOR Object Signing and Encryption (COSE) - Header Parameters for Carrying and Referencing X.509 Certificates.

+
+

Note

+

The x5chain is included in the unprotected header with the aim to make the Holder able to updated the X.509 certificate chain in a Mobile Security Object without breaking its signature.

+
+

The payload must contain the following parameter:

+ +++++ + + + + + + + + + + + + +

Element

Encoding

Description

MobileSecurityObjectBytes

CBORTag(24) without any content-type value

object containing the following attributes:

+
    +
  • version

  • +
  • digestAlgorithm

  • +
  • valueDigests

  • +
  • deviceKeyInfo

  • +
+
+

Therein a non-normative example of a decoded MobileSecurityObjectBytes, represented below in JSON format:

+

..code-block:

+
{
+ 'version': '1.0',
+ 'digestAlgorithm': 'SHA-256',
+ 'valueDigests': {
+    'eu.europa.ec.eudiw.pid.1': {
+        0: $digestbinaryvalue,
+        1: $digestbinaryvalue,
+        2: $digestbinaryvalue,
+        3: $digestbinaryvalue,
+        4: $digestbinaryvalue,
+    },
+    'eu.europa.ec.eudiw.pid.it.1': {
+        0: $digestbinaryvalue
+    }
+   },
+ 'deviceKeyInfo': {
+    'deviceKey': {
+        1: 2,
+        -1: 1,
+        -2: b'\x961=lc\xe2N3rt+\xfd\xb1\xa3;\xa2\xc8\x97\xdc\xd6\x8a\xb8\xc7S\xe4\xfb\xd4\x8d\xcak\x7f\x9a',
+        -3: b'\x1f\xb3&\x9e\xddA\x88W\xde\x1b9\xa4\xe4\xa4K\x92\xfaHL\xaar,"\x82\x88\xf0\x1d\x0c\x03\xa2\xc3\xd6'}
+    },
+    'docType': 'eu.europa.ec.eudiw.pid.1',
+    'validityInfo': {
+        'signed': Tag(0, '2020-10-01T13:30:02Z'),
+        'validFrom': Tag(0, '2020-10-01T13:30:02Z'),
+        'validUntil': Tag(0, '2021-10-01T13:30:02Z')
+    }
+}
+
+
+

The MobileSecurityObjectBytes attributes are described below:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Element

Encoding

Description

version

tstr

digestAlgorithm

tstr

According to the algorithm defined in the protected header.

valueDigests

bstr

Mapped digest by unique id, grouped by namespace.

deviceKeyInfo

Information related to the Wallet Instance's cryptographic keys.

Containing:

+
    +
  • deviceKey, public key (Holder Key Binding) of the Wallet Instace where this MSO was issued for.

  • +
  • docType, public key pair used for authentication. The ‘deviceKey’ element is encoded as an untagged COSE_Key element as specified in RFC 8152.

  • +
  • validityInfo, object containing issuance and expiration datetimes.

  • +
+
+
+

Note

+

The private key which belongs to the public key stored in the deviceKey object, is used to authenticate the PID during the presentation phase where the DeviceSignedItems structure is involved (see the presentation phase with MDOC-CBOR).

+
+
+
+

MDOC-CBOR Examples

+
TBD: example PID encoded as AF Binary
+
+
+
TBD: the previous example PID in diagnostic representation
+
+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/pid-issuance.html b/mdoccbor/en/pid-issuance.html new file mode 100644 index 000000000..790d411cd --- /dev/null +++ b/mdoccbor/en/pid-issuance.html @@ -0,0 +1,2229 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | PID Issuance + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
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+ +
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+ +
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+ +
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+
+
+ +
+ + + + + +
+

PID Issuance

+

The relevant entities and interfaces involved in the issuance flow are:

+
+
    +
  • Wallet Provider: It represents an organization (public or private) that is responsible for the release of an eIDAS-compliant EUDI Wallet Solution. It also issues thes Wallet Instance Attestation to its Wallet Instances by means of an Attestation Service. The Wallet Attestation certifies the genuinity and authenticity of the Wallet Instance and its compliance with a Trust Framework in compliance to the security and privacy requirements.

  • +
  • Wallet Solution: It represents the entire product and service owned by a Wallet Provider, offered to all Users of that solution. A Wallet Solution must be certified as being EUDI-compliant by a Conformity Assessment Body (CAB).

  • +
  • Wallet Instance: instance of a Wallet Solution, installed on User's device. It provides interfaces for User interaction with the Wallet Provider, Relying Parties, PID and (Q)EAA Providers.

  • +
  • PID Provider: It represents the issuer of eIDAS Person Identification Data (PID). It is composed of:

    +
    +
      +
    • OpenID4VCI Component: based on the “OpenID for Verifiable Credential Issuance” specification [OIDC4VCI. Draft 13] to release PID credentials.

    • +
    • National eID Relying Party (OpenID Connect or SAML2): It represents the component to authenticate the End-User with the national Digital Identity Providers.

    • +
    +
    +
  • +
  • National IdP: It represents preexisting identity systems based on SAML2 or OpenID Connect, already in production in each Member State (for Italy SPID and CIE id authentication schemed notified eIDAS with LoA High, see SPID/CIE OpenID Connect Specifications).

  • +
+
+
+_images/High-Level-Flow-EUDIW-PID-Issuing.svg
+

Fig. 2 PID Issuance - General architecture and high level flow

+
+
+

The Fig. 2 shows a general architecture and highlights the main operations involved in the issuance of a PID, in particular:

+
+
    +
  1. Wallet Instance Setup: the first time the Wallet Instance is started a preliminary setup phase MUST be carried out. It consists of the release of a verifiable proof issued by the Attestation Service provided by the Wallet Provider that asserts the genuineness, the authenticity and the compliance with a trust framework of the Wallet Instance. The verifiable proof binds a public key corresponding to a local private key generated by the Wallet Instance.

  2. +
  3. Obtaining the trusted PID Provider: the Wallet Instance queries the Trust Anchor to fetch the trusted PID Provider.

  4. +
  5. Obtaining of PID Provider metadata: the Wallet Instance establishes the trust to the PID Provider according to the Trust Model, obtaining the Metadata that discloses the formats of the PID, the algorithms supported, and any other parameter required for interoperability needs.

  6. +
  7. PID request: following the Authorization Code Flow in [OIDC4VCI. Draft 13] the Wallet Instance requests a PID to the PID Provider. A fresh key pairs is generated by the Wallet Instance, the public key is used by PID Provider for the key binding of the PID.

  8. +
  9. End-user authentication: the PID Provider authenticates the End-User with LoA High, acting as an IAM Proxy to the National eID system.

  10. +
  11. PID issuance: once the User authentication with LoA High happens, the User gives their consent, the PID Provider checks the Wallet Instance by means of the Wallet Attestation and the Trust Chain related to the Wallet Provider. Finally, the PID Provider releases a PID bound to the key material held by the requesting Wallet instance.

  12. +
+
+

The Wallet Instance Setup phase is described in Section [...]. In the following Section the steps from 1 to 5 are further expanded into more technical detailed steps.

+
+

Detailed Flow

+

The PID Issuance phase is based on the Authorization Code Flow with Pushed Authorization Requests (PAR) [RFC 9126] and PKCE (Proof Key for Code Exchange, RFC 7636) as recommended in [OIDC4VCI. Draft 13. Section 3.4]. A Wallet Initiated Flow is considered and the User receives the PID directly in response to the Credential Request (Immediate Flow).

+
+_images/Low-Level-Flow-EUDIW-PID-Issuing.svg +
+

Fig. 3 PID Issuance - Detailed flow

+
+
+

Steps 1-4: The User has selected a PID Provider, and the Wallet Instance obtains the metadata for the selected PID Provider.

+
+

Note

+

Federation Check: The Wallet Instance needs to check if the PID Provider is part of Federation and then it can consume its Metadata. A non-normative example of a response from the endpoint .well-known/openid-federation with the Entity Configuration and the Metadata of the PID Provider is represented within the section Entity Configuration Credential Issuer.

+
+

Steps 5-6: The Wallet Instance creates a PKCE code verifier that sends in a pushed authorization request, using the request parameter (see RFC 9126 Section 3) to the PID Provider authorization endpoint. The Wallet Instance signs the request using its private key. A OAuth2 client authentication method must be involved, since in this flow the pushed authorization endpoint is a protected endpoint. The client authentication should be based on the model defined in [RFC 7521] using the Wallet Instance Attestation JWS inside the client_assertion parameter. The authorization_details [RAR RFC 9396] parameter is extended to allow Wallet Instance to specify the types of the credentials when requesting authorization for the PID issuance.

+

Below a non-normative example of the PAR.

+
POST /as/par HTTP/1.1
+Host: pid-provider.example.org
+Content-Type: application/x-www-form-urlencoded
+
+response_type=code
+&client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$
+&code_challenge=E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM
+&code_challenge_method=S256
+&request=eyJhbGciOiJSUzI1NiIsImtpZCI6ImsyYmRjIn0.ew0KIC Jpc3MiOiAiczZCaGRSa3F0MyIsDQogImF1ZCI6ICJodHRwczovL3NlcnZlci5leGFtcGxlLmNvbSIsDQo gInJlc3BvbnNlX3R5cGUiOiAiY29kZSBpZF90b2tlbiIsDQogImNsaWVudF9pZCI6ICJzNkJoZFJrcXQz IiwNCiAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vY2xpZW50LmV4YW1...
+&client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation
+&client_assertion=$WalletInstanceAttestation$
+
+
+

The JWS header of request object is represented below:

+
{
+  "alg": "ES256",
+  "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc",
+}
+
+
+

The JWS payload of the request object is represented below:

+
{
+"response_type":"code",
+"client_id":"$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$",
+"state":"fyZiOL9Lf2CeKuNT2JzxiLRDink0uPcd",
+"code_challenge":"E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM",
+"code_challenge_method":"S256",
+"authorization_details":[
+{
+    "type":"openid_credential",
+    "format": "vc+sd-jwt",
+    "credential_definition": {
+        "type": ["eu.eudiw.pid.it"]
+    }
+}
+],
+"redirect_uri":"eudiw://start.wallet.example.org",
+"client_assertion_type":"urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation",
+
+
+
+
Step 7: The PID Provider creates a new request URI representing this new authorization request to be returned to the Wallet Instance.

}

+
+
+
+

Note

+

Federation Check: PID Provider MUST check that the Wallet Provider is part of the federation and in addition it MUST verify the Wallet Instance Attestation validity by checking its signature and data.

+
+

Step 7: The PID Provider creates a new request URI representing a new authorization request and returns it to the Wallet Instance. A non-normative example of the authorization request is represented below:

+
HTTP/1.1 201 Created
+Cache-Control: no-cache, no-store
+Content-Type: application/json
+
+{
+    "request_uri":"urn:ietf:params:oauth:request_uri:bwc4JK-ESC0w8acc191e-Y1LTC2",
+    "expires_in": 60
+}
+
+
+

Steps 8-9: The Wallet Instance sends an authorization request to the PID Provider authorization endpoint.

+
GET /authorize?client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$&request_uri=urn%3Aietf%3Aparams%3Aoauth%3Arequest_uri%3Abwc4JK-ESC0w8acc191e-Y1LTC2 HTTP/1.1
+Host: pid-provider.example.org
+
+
+
+

Note

+

User Authentication and Consent: The PID Provider performs the User authentication based on the requirements of eIDAS LoA High and asks the User consent for the PID issuance.

+
+

Steps 10-11: The PID Provider sends an authorization code to the Wallet Instance.

+
+

Note

+

The Wallet Instance redirect URI is a universal or app link registered with the local operating system, so this latter will resolve it and pass the response to the Wallet Instance.

+
+
HTTP/1.1 302 Found
+Location: eudiw://start.wallet.example.org?code=SplxlOBeZQQYbYS6WxSbIA&state=fyZiOL9Lf2CeKuNT2JzxiLRDink0uPcd&iss=https%3A%2F%2Fpid-provider.example.org
+
+
+

Step 14: The Wallet Instance sends a token request to the PID Provider token endpoint using the authorization code, code_verifier, DPoP proof and private_key_jwt.

+
POST /token HTTP/1.1
+Host: pid-provider.example.org
+Content-Type: application/x-www-form-urlencoded
+DPoP: eyJ0eXAiOiJkcG9wK2p3dCIsImFsZyI6IkVTMjU2IiwiandrIjp7Imt0eSI6Ik
+    VDIiwieCI6Imw4dEZyaHgtMzR0VjNoUklDUkRZOXpDa0RscEJoRjQyVVFVZldWQVdCR
+    nMiLCJ5IjoiOVZFNGpmX09rX282NHpiVFRsY3VOSmFqSG10NnY5VERWclUwQ2R2R1JE
+    QSIsImNydiI6IlAtMjU2In19.eyJqdGkiOiItQndDM0VTYzZhY2MybFRjIiwiaHRtIj
+    oiUE9TVCIsImh0dSI6Imh0dHBzOi8vc2VydmVyLmV4YW1wbGUuY29tL3Rva2VuIiwia
+    WF0IjoxNTYyMjYyNjE2fQ.2-GxA6T8lP4vfrg8v-FdWP0A0zdrj8igiMLvqRMUvwnQg
+    4PtFLbdLXiOSsX0x7NVY-FNyJK70nfbV37xRZT3Lg
+
+client_id=$thumprint-of-the-jwk-in-the-cnf-wallet-attestation$
+&grant_type=authorization_code
+&code=SplxlOBeZQQYbYS6WxSbIA
+&redirect_uri=eudiw://start.wallet.example.org
+&code_verifier=dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk
+&client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer
+&client_assertion=eyJhbGciOiJIUzI1NiI
+
+
+

Step 15: The PID Provider validates the request and if it is successful, it issues an access token (bound to the DPoP key) and a fresh c_nonce.

+
HTTP/1.1 200 OK
+Content-Type: application/json
+Cache-Control: no-store
+
+{
+"access_token": "Kz~8mXK1EalYznwH-LC-1fBAo.4Ljp~zsPE_NeO.gxU",
+"token_type": "DPoP",
+"expires_in": 2677,
+"c_nonce": "tZign[...]snFbp",
+"c_nonce_expires_in": 86400
+}
+
+
+

Steps 16-18: The Wallet Instance creates a new key pair to which the new credential shall be bound. Then, it creates a proof of possession with the new key and the c_nonce obtained in Step 15 and it creates a DPoP proof for the request to the PID credential issuance endpoint.

+

Step 19: The Wallet Instance sends a PID issuance request to the PID Provider credential endpoint. It contains the access token, the DPoP proof, the credential type, the proof (proof of possession of the key) and the format.

+
+

Note

+

PID Credential Schema and Status registration: The PID Provider MUST register all the issued PIDs for their later revocation, if needed.

+
+
POST /credential HTTP/1.1
+Host: pid-provider.example.org
+Content-Type: application/x-www-form-urlencoded
+Authorization: DPoP Kz~8mXK1EalYznwH-LC-1fBAo.4Ljp~zsPE_NeO.gxU
+DPoP: eyJ0eXAiOiJkcG9wK2p3dCIsImFsZyI6IkVTMjU2IiwiandrIjp7Imt0eSI6Ik
+    VDIiwieCI6Imw4dEZyaHgtMzR0VjNoUklDUkRZOXpDa0RscEJoRjQyVVFVZldWQVdCR
+    nMiLCJ5IjoiOVZFNGpmX09rX282NHpiVFRsY3VOSmFqSG10NnY5VERWclUwQ2R2R
+    1JEQSIsImNydiI6IlAtMjU2In19.eyJqdGkiOiJlMWozVl9iS2ljOC1MQUVCIiwiaHRtIj
+    oiR0VUIiwiaHR1IjoiaHR0cHM6Ly9yZXNvdXJjZS5leGFtcGxlLm9yZy9wcm90ZWN0Z
+    WRyZXNvdXJjZSIsImlhdCI6MTU2MjI2MjYxOCwiYXRoIjoiZlVIeU8ycjJaM0RaNTNF
+    c05yV0JiMHhXWG9hTnk1OUlpS0NBcWtzbVFFbyJ9.2oW9RP35yRqzhrtNP86L-Ey71E
+    OptxRimPPToA1plemAgR6pxHF8y6-yqyVnmcw6Fy1dqd-jfxSYoMxhAJpLjA
+
+credential_definition=%7B%22type%22:%5B%22eu.eudiw.pid.it%22%5D%7D
+&format=vc+sd-jwt
+&proof=%7B%22proof_type%22:%22...-ace0-9c5210e16c32%22%7D
+
+
+

A non-normative example of proof parameter is given below:

+
{
+"proof_type": "jwt",
+"jwt": "eyJraWQiOiJkaWQ6ZXhhbXBsZTplYm …"
+}
+
+
+

Where the decoded content of the JWT is represented below:

+
{
+  "alg": "ES256",
+  "typ": "openid4vci-proof+jwt",
+  "kid": "dB67gL7ck3TFiIAf7N6_7SHvqk0MDYMEQcoGGlkUAAw"
+}
+
+
+
{
+"iss": "0b434530-e151-4c40-98b7-74c75a5ef760",
+"aud": "https://pid-provider.example.org",
+"iat": 1504699136,
+"nonce": "tZign...snFbp"
+}
+
+
+

Steps 20-22: The PID Provider checks the DPoP proof and whether the access token is valid and suitable for the requested PID. It also checks the proof of possession for the key material the new credential shall be bound to. If all checks succeed, the PID Provider creates a new credential bound to the key material and sends it to the Wallet Instance. The Wallet Instance MUST perform the PID integrity and authenticity checks and if it is successful can proceed with secure storage of the PID credential.

+
HTTP/1.1 200 OK
+Content-Type: application/json
+Cache-Control: no-store
+Pragma: no-cache
+
+{
+"format": "vc+sd-jwt"
+"credential" : "LUpixVCWJk0eOt4CXQe1NXK[...]WZwmhmn9OQp6YxX0a2L",
+"c_nonce": "fGFF7[...]UkhLa",
+"c_nonce_expires_in": 86400
+}
+
+
+
+
+

Pushed Authorization Request Endpoint

+
+

Pushed Authorization Request (PAR) Request

+

The requests to the PID Provider authorization endpoint MUST be HTTP with method POST, with the following mandatory parameters in the HTTP request message body, encoded in application/x-www-form-urlencoded format.

+ + +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Table 1 PAR http request parameters

Claim

Description

Reference

response_type

MUST be set to code.

RFC 6749

client_id

MUST be set to the thumbprint of the jwk value in the cnf parameter inside the Wallet Instance Attestation.

RFC 6749

code_challenge

A challenge derived from the code verifier that is sent in the authorization request

RFC 7636#section-4.2.

code_challenge_method

A method that was used to derive code challenge. It MUST be set to S256.

RFC 7636#section-4.3.

request

It MUST be a signed JWT. The private key corresponding to the public one in the cnf parameter inside the Wallet Instance Attestation MUST be used for signing the request object.

OpenID Connect Core. Section 6

client_assertion_type

It MUST be set to urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants

client_assertion

It MUST be the Wallet Instance Attestation signed JWT.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants

+

The JWT Request Object has the following JOSE header parameters:

+ +++++ + + + + + + + + + + + + + + + + +

JOSE header

Description

Reference

alg

A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section Cryptographic Algorithms and MUST NOT be none or an identifier for a symmetric algorithm (MAC).

RFC 7516#section-4.1.1.

kid

Unique identifier of the JWK as base64url-encoded JWK Thumbprint value.

RFC 7638#section_3.

+
+

Note

+

The parameter typ, if omitted, assumes the implicit value JWT.

+
+

The JWT payload is given by the following parameters:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

response_type

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

client_id

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

state

Unique session identifier at the client side. This value will be returned to the client in the response, at the end of the authentication. It MUST be a random string with at least 32 alphanumeric characters.

See OpenID.Core#AuthRequest.

code_challenge

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

code_challenge_method

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

authorization_details

JSON Object. It MUST include the following claims:

+
+
    +
  • type: it MUST be set to openid_credential,

  • +
  • format: it MUST be set to vc+sd-jwt,

  • +
  • credential_definition: JSON Object. It MUST have the type claim which MUST be set to eu.eudiw.pid.it

  • +
+
+

See [RAR RFC 9396] and [OIDC4VCI. Draft 13].

redirect_uri

Redirection URI to which the response will be sent. It MUST be an universal or app link registered with the local operating system, so this latter will resolve it and pass the response to the Wallet Instance.

See OpenID.Core#AuthRequest.

client_assertion_type

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

client_assertion

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

+
+
+

Pushed Authorization Request (PAR) Response

+

If the verification is successful, the PID Provider MUST provide the response with a 201 HTTP status code. The following parameters are included as top-level members in the HTTP response message body, using the application/json media type as defined in [RFC 8259].

+ +++++ + + + + + + + + + + + + + + + + +

Claim

Description

Reference

request_uri

The request URI corresponding to the authorization request posted. This URI MUST be a single-use reference to the respective authorization request. It MUST contain some part generated using a cryptographically strong pseudorandom algorithm. The value format MUST be urn:ietf:params:oauth:request_uri:<reference-value> with <reference-value> as the random part of the URI that references the respective authorization request data.

[RFC 9126].

expires_in

A JSON number that represents the lifetime of the request URI in seconds as a positive integer.

[RFC 9126].

+
+
+
+

Authorization endpoint

+

The authorization endpoint is used to interact with the Credential Issuer and obtain an authorization grant. +The authorization server MUST first verify the identity of the resource owner (the User that own it's credentials) +as defined in the RFC 6749.

+
+

Authorization Request

+

The Authorization request is issued by the Wallet Instance Browser, HTTP POST or GET methods MAY be used. When the method POST is used, the parameters MUST be sent using the Form Serialization. When the method GET is used, the parameters MUST be sent using the Query String Serialization. For more details see OpenID.Core#Serializations.

+

The mandatory parameters in the HTTP authentication request are specified in the following table.

+ +++++ + + + + + + + + + + + + + + + + +

Claim

Description

Reference

client_id

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

request_uri

It MUST be set to the same value as obtained by PAR Response. See Table of the HTTP PAR Response parameters.

[RFC 9126].

+
+
+

Authorization Response

+

The authentication response is returned by the PID Provider authorization endpoint at the end of the authentication flow.

+

If the authentication is successful the PID Provider redirects the User by adding the following query parameters as required to the redirect_uri. The redirect URI MUST be an universal or app link registered with the local operating system, so this latter is able to resolve its value and delegates the Wallet Instance for the processing.

+ +++++ + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

code

Unique Authorization Code that the client submits to the Token Endpoint.

[RFC 6749#section-4.1.2], Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants

state

The client MUST check the correspondence with the state value in the request object. It is defined as in the Table of the JWT Request parameters.

[RFC 6749#section-4.1.2].

iss

Unique identifier of the PID PRovider who created the Authentication Response. The Wallet Instance MUST validate this parameter.

OAuth 2.0 Authorization Server Issuer Identifier in Authorization Response, [RFC7519, Section 4.1.1].

+
+
+
+

Token endpoint

+

The token endpoint is used by the Wallet Instance +to obtain an access token by presenting its authorization grant, as +defined in RFC 6749.

+
+

Token Request

+

The request to the PID Provider Token endpoint MUST be an HTTP request with method POST, where its body message is encoded in application/x-www-form-urlencoded format. The Wallet Instance sends the Token endpoint request with private_key_jwt authentication and a DPoP proof containing the mandatory parameters, defined in the table below.

+

The Token endpoint MUST accept and validate the DPoP proof sent in the DPoP HTTP header. The Token endpoint MUST validate the DPoP proof based on the steps defined in Section 4.3 of the DPoP specifications [DPoP-draft16]. Thus, this mitigates the misuse of leaked or stolen access tokens at the credential endpoint. If the DPoP proof is invalid, the Token endpoint returns an error response, according to Section 5.2 of [RFC 6749] with invalid_dpop_proof as the value of the error parameter.

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

client_id

It MUST be set as in the Table of the HTTP parameters.

See Table of the HTTP parameters.

grant_type

It MUST be set to authorization_code.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants.

code

Authorization code returned in the Authentication Response.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants.

redirect_uri

It MUST be set as in the request object Table of the JWT Request parameters.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants.

code_verifier

Verification code of the code_challenge.

Proof Key for Code Exchange by OAuth Public Clients.

client_assertion_type

It MUST be set to urn:ietf:params:oauth:client-assertion-type:jwt-bearer.

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants.

client_assertion

JWT signed with the Wallet Instance private key containing the following parameters:

+
    +
  • iss: This MUST contain the client_id.

  • +
  • sub: This MUST contain the iss.

  • +
  • aud: URL of the PID Provider Token Endpoint.

  • +
  • iat: UNIX Timestamp with the time of the JWT issuance, coded as NumericDate as indicated in RFC 7519.

  • +
  • exp: UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in RFC 7519.

  • +
  • jti: Unique Identifier for this authentication request, generated by the client. E.g., uuid4 format.

  • +
+

Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants.

+

A DPoP proof is included in an HTTP request using the DPoP header parameter containing a DPoP JWS.

+

The JOSE header of a DPoP JWT MUST contain at least the following parameters:

+ +++++ + + + + + + + + + + + + + + + + + + + + +

JOSE header

Description

Reference

typ

It MUST be equal to dpop+jwt.

[RFC 7515] and [RFC 8725. Section 3.11].

alg

A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section Cryptographic Algorithms and MUST NOT be none or an identifier for a symmetric algorithm (MAC).

[RFC 7515].

jwk

representing the public key chosen by the client, in JSON Web Key (JWK) [RFC7517] format, as defined in Section 4.1.3 of [RFC7515]. It MUST NOT contain a private key.

[RFC 7517] and [RFC 7515].

+

The payload of a DPoP proof MUST contain at least the following claims:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

jti

Unique identifier for the DPoP proof JWT. The value MUST be assigned in a UUID v4 string format according to [RFC 4122].

[RFC 7519. Section 4.1.7].

htm

The value of the HTTP method of the request to which the JWT is attached.

[RFC 9110. Section 9.1].

htu

The HTTP target URI, without query and fragment parts, of the request to which the JWT is attached.

[RFC 9110. Section 7.1].

iat

UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in RFC 7519.

[RFC 7519. Section 4.1.6].

+
+
+

Token Response

+

Token endpoint response MUST contain the following mandatory claims.

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

access_token

The DPoP-bound Access Token, in signed JWT format, allows accessing the Credential Endpoint for obtaining the PID.

RFC 6749.

token_type

Type of Access Token returned. It MUST be equal to DPoP.

RFC 6749.

expires_in

Expiry time of the Access Token in seconds.

RFC 6749.

c_nonce

JSON string containing a nonce to be used to create a proof of possession of key material when requesting a Credential.

[OIDC4VCI. Draft 13].

c_nonce_expires_in

JSON integer, it represents the lifetime in seconds of the c_nonce.

[OIDC4VCI. Draft 13].

+
+
+

Access Token

+

A DPoP-bound Access Token is provided by the PID Provider Token endpoint as a result of a successful token request. The Access Token is encoded in JWT format, according to [RFC 7519]. The Access Token MUST have at least the following mandatory claims and it MUST be bound to the public key that is provided by the DPoP proof. This binding can be accomplished based on the methodology defined in Section 6 of [DPoP-draft16].

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

iss

It MUST be an HTTPS URL that uniquely identifies the PID Provider. The client MUST verify that this value matches the PID Provider where it has requested the credential.

[RFC 9068], [RFC7519, Section 4.1.1].

sub

It identifies the subject of the JWT. It MUST be of type pairwise.

[RFC 9068], [RFC 7519] and [OpenID.Core#SubjectIDTypes].

client_id

It MUST contain a HTTPS URL that uniquely identifies the RP.

[RFC 9068].

aud

It MUST match the value client_id. The RP MUST verify that this value matches its client ID.

[RFC 9068].

iat

UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in RFC 7519.

[RFC 9068], [RFC 7519. Section 4.1.6].

exp

UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated in RFC 7519.

[RFC 9068], [RFC 7519].

jti

It MUST be a String in uuid4 format. Unique Token ID identifier that the RP MAY use to prevent reuse by rejecting the Token ID if already processed.

[RFC 9068], [RFC 7519].

nonce

It MUST be a random string of at least 32 alphanumeric characters. The value type of this claim MUST be a string, where the value is a c_nonce provided by the PID Provider.

[OpenID.Core#AuthRequest].

jkt

JWK SHA-256 Thumbprint Confirmation Method. The value of the jkt member MUST be the base64url encoding (as defined in [RFC7515]) of the JWK SHA-256 Thumbprint of the DPoP public key (in JWK format) to which the access token is bound.

[DPoP-draft16. Section 6.1] and [RFC 7638].

+
+
+
+

Credential endpoint

+

The Credential Endpoint issues a Credential as approved by the End-User upon presentation of a valid Access Token representing this approval, as defined in OPENID4VCI.

+
+

Credential Request

+

The Wallet Instance may request a PID to the PID Provider Credential endpoint with a HTTP POST request encoded in application/json format, where the following parameters in the message body MUST be present.

+

The Credential endpoint MUST accept and validate the DPoP proof sent in the DPoP HTTP header based on the steps defined in Section 4.3 of [DPoP-draft16]. If the DPoP proof is invalid, the Credential endpoint returns an error response per Section 5.2 of [RFC 6749] with invalid_dpop_proof as the value of the error parameter.

+
+

Warning

+

The Wallet Instance MUST create a new DPoP proof for the Credential request and MUST NOT use the previously created proof for the Token Endpoint.

+
+ +++++ + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

credential_definition

JSON object containing the detailed description of the credential type. It MUST have at least the type sub claims which is a JSON array containing the type values the Wallet shall request in the subsequent Credential Request. It MUST be eu.eudiw.pid.it.

[OIDC4VCI. Draft 13].

format

Format of the Credential to be issued. This MUST be vc+sd-jwt.

[OIDC4VCI. Draft 13].

proof

JSON object containing proof of possession of the key material the issued Credential shall be bound to. The proof object MUST contain the following mandatory claims:

+
    +
  • proof_type: JSON string denoting the proof type. It MUST be jwt.

  • +
  • jwt: the JWT used as proof of possession.

  • +
+

[OIDC4VCI. Draft 13].

+
+

Note

+

If the format value is mso_mdoc, the credential request MUST contain the doctype claim which is a JSON string identifying the PID type according to EIDAS-ARF . See Appendix E.2. of [OIDC4VCI. Draft 13] for more details.

+
+

The JWT proof type MUST contain the following parameters for the JOSE header and the JWT body:

+ +++++ + + + + + + + + + + + + + + + + + + + + +

JOSE Header

Description

Reference

alg

A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section Cryptographic Algorithms and MUST NOT be none or an identifier for a symmetric algorithm (MAC).

[OIDC4VCI. Draft 13], [RFC 7515], [RFC 7517].

typ

MUST be openid4vci-proof+jwt.

[OIDC4VCI. Draft 13], [RFC 7515], [RFC 7517].

kid

It MUST contain the identifier of the key material the PID shall be bound to.

[OIDC4VCI. Draft 13], [RFC 7515], [RFC 7517].

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

iss

The value of this claim MUST be the client_id of the Wallet Instance.

[OIDC4VCI. Draft 13], [RFC7519, Section 4.1.1].

aud

The value of this claim MUST be the identifier URL of the PID Provider.

[OIDC4VCI. Draft 13].

iat

UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in RFC 7519.

[OIDC4VCI. Draft 13], [RFC 7519. Section 4.1.6].

nonce

The value type of this claim MUST be a string, where the value is a c_nonce provided by the PID Provider in the Token response.

[OIDC4VCI. Draft 13].

+
+
+

Credential Response

+

Credential Response to the Wallet Instance MUST be sent using application/json media type. The response MUST contain the following mandatory claims:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

format

Format of the Credential to be issued. This MUST be vc+sd-jwt.

[OIDC4VCI. Draft 13].

credential

Contains the issued PID. It MUST be an SD-JWT JSON Object (see Section PID Data Model).

Appendix E in [OIDC4VCI. Draft 13].

c_nonce

JSON string containing a nonce to be used to create a proof of possession of key material when requesting a further credential or for renewal credential.

[OIDC4VCI. Draft 13].

c_nonce_expires_in

JSON integer corresponding to the c_nonce lifetime in seconds.

[OIDC4VCI. Draft 13].

+
+

Note

+

If the format value is mso_mdoc, the credential value MUST be a base64url-encoded JSON string according to Appendix E of [OIDC4VCI. Draft 13].

+
+
+
+

Entity Configuration Credential Issuer

+

Below a non-normative example of an Entity Configuration containing an openid_credential_issuer metadata.

+
HTTP/1.1 200 OK
+Content-Type: application/entity-statement+jwt
+
+{
+
+  "alg": "RS256",
+  "kid": "FANFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs",
+  "typ": "entity-statement+jwt"
+
+}
+.
+{
+  "exp": "1649610249",
+  "iat": "1649437449",
+  "iss": "https://pid-provider.example.org",
+  "sub": "https://pid-provider.example.org",
+  "jwks": {
+    "keys": [{
+      "kty": "RSA",
+      "use": "sig",
+      "n": "1Ta-sE …",
+      "e": "AQAB",
+      "kid": "FANFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs"
+    }]
+  },
+  "metadata": {
+    "openid_credential_issuer": {
+      "credential_issuer": "https://pid-provider.example.org",
+      "authorization_endpoint": "https://pid-provider.example.org/connect/authorize",
+      "token_endpoint": "https://pid-provider.example.org/connect/token",
+      "pushed_authorization_request_endpoint": "https://pid-provider.example.org/connect/par",
+      "dpop_signing_alg_values_supported": ["RS256", "RS512", "ES256", "ES512"],
+      "credential_endpoint": "https://pid-provider.example.org/credential",
+      "credentials_supported": {
+        "eu.eudiw.pid.it": {
+          "format": "vc+sd-jwt",
+          "cryptographic_binding_methods_supported": ["jwk"],
+          "cryptographic_suites_supported": ["RS256", "RS512", "ES256", "ES512"],
+          "display": [{
+              "name": "PID Provider Italiano di esempio",
+              "locale": "it-IT",
+              "logo": {
+                "url": "https://pid-provider example.org/public/logo.svg",
+                "alt_text": "logo di questo PID Provider"
+              },
+              "background_color": "#12107c",
+              "text_color": "#FFFFFF"
+            },
+            {
+              "name": "Example Italian PID Provider",
+              "locale": "en-US",
+              "logo": {
+                "url": "https://pid-provider.example.org/public/logo.svg",
+                "alt_text": "The logo of this PID Provider"
+              },
+              "background_color": "#12107c",
+              "text_color": "#FFFFFF"
+            }
+          ],
+          "credential_definition": {
+            "type": ["PIDCredential"],
+            "credentialSubject": {
+              "given_name": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Current First Name",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Nome",
+                    "locale": "it-IT"
+                  }
+                ]
+              },
+              "family_name": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Current Family Name",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Cognome",
+                    "locale": "it-IT"
+                  }
+                ]
+              },
+              "birthdate": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Date of Birth",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Data di Nascita",
+                    "locale": "it-IT"
+                  }
+                ]
+              },
+              "place_of_birth": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Place of Birth",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Luogo di Nascita",
+                    "locale": "it-IT"
+                  }
+                ]
+              },
+              "unique_id": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Unique Identifier",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Identificativo univoco",
+                    "locale": "it-IT"
+                  }
+                ]
+              },
+              "tax_id_number": {
+                "mandatory": true,
+                "display": [{
+                    "name": "Tax Id Number",
+                    "locale": "en-US"
+                  },
+                  {
+                    "name": "Codice Fiscale",
+                    "locale": "it-IT"
+                  }
+                ]
+              }
+            }
+          }
+        }
+      }
+    },
+
+    "federation_entity": {
+      "organization_name": "Pid Provider Organization Example",
+      "homepage_uri": "https://pid-provider.example.org",
+      "policy_uri": "https://pid-provider.example.org/privacy_policy",
+      "tos_uri": "https://pid-provider.example.org/info_policy",
+      "logo_uri": "https://pid-provider.example.org/logo.svg"
+    },
+
+    "openid_relying_party": {
+      <This is the metadata of the PID Provider acting as a Relying Party in the national digital identity framework (CIE/SPID). See spid-cie-oidc-docs for details.>
+    }
+  }
+}
+
+
+
+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/pseudonyms.html b/mdoccbor/en/pseudonyms.html new file mode 100644 index 000000000..ab72411f1 --- /dev/null +++ b/mdoccbor/en/pseudonyms.html @@ -0,0 +1,1297 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | pseudonyms.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
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+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
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+
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+ +
+ + + + + +
+

pseudonyms.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/relying-party-solution.html b/mdoccbor/en/relying-party-solution.html new file mode 100644 index 000000000..3d87e83ad --- /dev/null +++ b/mdoccbor/en/relying-party-solution.html @@ -0,0 +1,2021 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Relying Party Solution + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
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+ +
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+ +
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+ +
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+
+
+ +
+ + + + + +
+

Relying Party Solution

+

This section describes how a Relying Party may ask to a Wallet Instance the presentation of the PID and the (Q)EAAs, according the following specifications:

+ +

In this section the following flows are described:

+
    +
  • Same Device Flow, where the Verifier and the Wallet Instance acts in the same device.

  • +
  • Remote Cross Device Flow, where the Verifier and the Wallet Instance acts in different devices and the Verifier is a remote Relying Party.

  • +
+

The flows are analyzed in this chapter, taking into account security and privacy considerations.

+
+

Note

+

Relying Party and Verifier are the same entity.

+
+
+

Same Device Flow

+

In the Same Device Authorization Flow, the User interacts with a Verifier that resides in the same device of the Wallet Instance. +This scenario utilizes HTTP redirects to finalize the authorization phase and obtain Verifiable Presentation(s).

+
+

Note

+

This flow will be described more in detail in future releases of this documentation.

+
+
+
+

Remote Cross Device Flow

+

In the Cross Device Authorization Flow, the User interacts with a remote Relying Party. +This scenario requests the Verifier to show a QR Code which the User frames with their Wallet Instance.

+

Once the Relying Party authentication is performed by the Wallet Instance, the User gives the consent for the release of the personal data, in the form of a Verifiable Presentation.

+_images/cross_device_auth_seq_diagram.svg + ++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Id

Description

1

The User asks for access to a protected resource, the Relying Party redirects the User to a discovery page in which the User selects the Login with the Wallet button. The Authorization flow starts.

2

The Relying Party creates an Authorization Request which contains the scopes of the request.

3

The Relying Party inserts the reference URI of the request_uri into a QR Code.

4

The QR Code is shown to the User that frames it.

5 and 6

The Wallet Instance decodes the QR Code and extracts the Request URI from the payload of the QR Code.

7

The Wallet Instance requests the content of the Authorization Request by invoking the Request URI, passing an Authorization DPoP HTTP Header containing the Wallet Instance Attestation and the DPoP proof HTTP Header.

8

The Relying Party attests the trust to the Wallet Instance using the Wallet Instance Attestation and verifies its capabilities.

9

The Relying Party issues a signed Request Object, returning it as response.

10

The Wallet Instance verifies Request Object JWS.

11

The Wallet Instance attests the trust to the Relying Party by verifying the trust_chain.

12 and 13

The Wallet Instance verifies the signature of the request and processes the Relying Party metadata to attests its capabilities and allowed scopes, attesting which Verifiable Credentials and personal attributes the Relying Party is granted to request.

14

The Wallet Instance requests the User's consent for the release of the credentials.

15

The User authorizes and consents the presentation of their credentials, by selecting/deselecting the personal data to release.

16

The Wallet Instance provides the Authorization Response to the Relying Party.

17

The Relying Party attests the Credential Issuer trust.

18

The Relying Party verifies the signature of the Authorization Response JWS.

19

The Relying Party verifies the Authorization Response, performs checks for integrity, revocation and proof of possession of the presented credentials.

20

The Relying Party notifies the Wallet Instance that the operation ends successfully.

+
+
+

Authorization Request Details

+

In a Cross Device Flow, a QR Code is shown by the Relying Party to the User in order to issue the Authorization Request.

+

The User frames the QR Code using the Wallet Instance, then grants the consent to release their attributes to the RP.

+

The payload of the QR Code is a Base64 encoded string based on the following format:

+
eudiw://authorize?client_id=`$client_id`&request_uri=`$request_uri`
+
+
+

Where:

+ ++++ + + + + + + + + + + + + + +

Name

Description

client_id

Client unique identifier of the Verifier.

request_uri

The Verifier request URI used by the Wallet Instance to retrieve the Request Object.

+
+

Note

+

The error correction level chosen for the QR Code MUST be Q (Quartily - up to 25%), since it offers a good balance between error correction capability and data density/space. This level of quality and error correction allow the QR Code to remain readable even if it is damaged or partially obscured.

+
+

Below is a non-normative example of a QR Code issued by the Relying Party:

+_images/verifier_qr_code.svg

Below is a non-normative example of the QR Code raw payload:

+
ZXVkaXc6Ly9hdXRob3JpemU/Y2xpZW50X2lkPWh0dHBzOi8vdmVyaWZpZXIuZXhhbXBsZS5vcmcmcmVxdWVzdF91cmk9aHR0cHM6Ly92ZXJpZmllci5leGFtcGxlLm9yZy9yZXF1ZXN0X3VyaQ==
+
+
+

Below follows its Base64 decoded content:

+
eudiw://authorize?client_id=https://verifier.example.org&request_uri=https://verifier.example.org/request_uri
+
+
+
+
+

Request Object Details

+

The following actions are made by the Wallet Instance:

+
    +
  • scan the QR Code;

  • +
  • extract from the payload the request_uri parameter;

  • +
  • invoke the retrieved URI;

  • +
  • provide in the request its Wallet instance Attestation, using DPOP to proof the legitimate possession of it;

  • +
  • obtain the signed request object from the Relying Party.

  • +
+

Below a non-normative example of HTTP request made by the Wallet Instance to the Relying Party to provide the Wallet Instance Attestion and retrieve the signed request object:

+
GET /request_uri HTTP/1.1
+HOST: verifier.example.org
+Authorization: DPoP $WalletInstanceAttestation
+DPoP: $WalletInstanceAttestationProofOfPossession
+
+
+

More detailed information about the Wallet Instance Attestation is available in its dedicated section of this technical specification.

+

To attest an high level of security, the Wallet Instance submits its Wallet Instance Attestation to the Relying Party, disclosing its capabilities and the security level attested by its Wallet Provider.

+

Herein the description of the parameters defined in OAuth 2.0 Demonstration of Proof-of-Possession at the Application Layer (DPoP).

+
+

Note

+

The use of DPoP doesn't represent any breaking changes to Wallet Instances that do not support DPoP to a request_uri endpoint, since it is assumed to use it as an additional security mechanisms for the attestation of the status of the Wallet Instance.

+

If the DPoP HTTP Header is missing, the Relying Party would assume the lowest attestable level of security to the Wallet Instance it is interacting with.

+
+
+

DPoP HTTP Header

+

A DPoP proof is included in the request using the HTTP Header DPoP and containing a JWS. The JWS MUST be signed with the public key made available in the Wallet Instance Attestation (Authorization: DPoP).

+

The JOSE header of the DPoP JWS MUST contain at least the following parameters:

+ +++++ + + + + + + + + + + + + + + + + + + + + +

JOSE header

Description

Reference

typ

It MUST be equal to dpop+jwt.

[RFC 7515] and [RFC 8725. Section 3.11].

alg

A digital signature algorithm identifier such as per IANA "JSON Web Signature and Encryption Algorithms" registry. It MUST be one of the supported algorithms in Section Cryptographic Algorithms <supported_algs>`* and MUST NOT be none or an identifier for a symmetric algorithm (MAC).

[RFC 7515]

jwk

representing the public key chosen by the client, in JSON Web Key (JWK) [RFC7517] format, as defined in Section 4.1.3 of [RFC7515]. It MUST NOT contain a private key.

[RFC 7517] and [RFC 7515]

+

The payload of a DPoP proof MUST contain at least the following claims:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Reference

jti

Unique identifier for the DPoP proof JWT. The value MUST be assigned in a UUID v4 string format according to [RFC 4122].

[RFC 7519. Section 4.1.7].

htm

The value of the HTTP method of the request to which the JWT is attached.

[RFC 9110. Section 9.1].

htu

The HTTP target URI, without query and fragment parts, of the request to which the JWS is attached.

[RFC 9110. Section 7.1].

iat

UNIX Timestamp with the time of JWT issuance, coded as NumericDate as indicated in RFC 7519.

[RFC 7519. Section 4.1.6].

ath

Hash of the Wallet Instance Attestation.

[DPOP. Section 4.2].

+

Therein a non-normative example of the DPoP decoded content:

+
{
+  "typ": "dpop+jwt",
+  "alg": "ES256",
+  "jwk": {
+    "kty": "EC",
+    "x": "l8tFrhx-34tV3hRICRDY9zCkDlpBhF42UQUfWVAWBFs",
+    "y": "9VE4jf_Ok_o64zbTTlcuNJajHmt6v9TDVrU0CdvGRDA",
+    "crv": "P-256"
+  }
+}
+.
+{
+  "jti": "f47c96a1-f928-4768-aa30-ef32dc78aa69",
+  "htm": "GET",
+  "htu": "https://verifier.example.org/request_uri",
+  "iat": 1562262616,
+  "ath": "fUHyO2r2Z3DZ53EsNrWBb0xWXoaNy59IiKCAqksmQEo"
+}
+
+
+
+
+
+

Request URI response

+

The Relying Party issues a signed request object, where a non-normative example in the form of decoded header and payload is shown below:

+
{
+  "alg": "ES256",
+  "typ": "JWT",
+  "kid": "e0bbf2f1-8c3a-4eab-a8ac-2e8f34db8a47",
+  "trust_chain": [
+    "MIICajCCAdOgAwIBAgIC...awz",
+    "MIICajCCAdOgAwIBAgIC...2w3",
+    "MIICajCCAdOgAwIBAgIC...sf2"
+  ]
+}
+.
+{
+  "scope": "eu.europa.ec.eudiw.pid.it.1 pid-sd-jwt:unique_id+given_name+family_name",
+  "client_id_scheme": "entity_id",
+  "client_id": "https://verifier.example.org",
+  "response_mode": "direct_post.jwt",
+  "response_type": "vp_token",
+  "response_uri": "https://verifier.example.org/callback",
+  "nonce": "2c128e4d-fc91-4cd3-86b8-18bdea0988cb",
+  "state": "3be39b69-6ac1-41aa-921b-3e6c07ddcb03",
+  "iss": "https://verifier.example.org",
+  "iat": 1672418465,
+  "exp": 1672422065
+}
+
+
+

The JWS header parameters are described herein:

+ ++++ + + + + + + + + + + + + + + + + + + + +

Name

Description

alg

Algorithm used to sign the JWT, according to [RFC 7516#section-4.1.1]. It MUST be one of the supported algorithms in Section Cryptographic Algorithms and MUST NOT be none or an identifier for a symmetric algorithm (MAC).

typ

Media Type of the JWT, as defined in [RFC 7519].

kid

Key ID of the public key needed to verify the JWS signature, as defined in [RFC 7517]. Required if trust_chain is used.

trust_chain

Sequence of Entity Statements that composes a Trust Chain related to the Relying Party, as defined in OIDC-FED Section 3.2.1. Trust Chain Header Parameter.

+

The JWS payload parameters are described herein:

+ ++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Name

Description

scope

Aliases for well-defined Presentation Definitions IDs. It will be used to identify which required credentials and User attributes are requested by the Relying Party.

client_id_scheme

String identifying the scheme of the value in the client_id. It MUST be entity_id.

client_id

Unique Identifier of the Relying Party.

response_mode

Used to ask the Wallet Instance in which way it has to send the response. It MUST be direct_post.jwt

response_type

The supported response type, MUST be set to``vp_token``.

response_uri

The Response URI to which the Wallet Instance MUST send the Authorization Response using an HTTPs POST.

nonce

Fresh cryptographically random number with sufficient entropy used for security reason, which length MUST be at least 32 digits.

state

Unique identifier of the Authorization Request.

iss

The entity that issued the JWT. It will be populated with the Verifier URI

iat

The NumericDate representing the time at which the JWT was issued

exp

The NumericDate representing the expiration time on or after which the JWT MUST NOT be accepted for processing.

+
+

Warning

+

The usage of scope instead of presentation_definition is still under discussion and needs better refinements.

+
+

Here a non-normative example of presentation_definition:

+
{
+  "presentation_definition": {
+    "id": "pid-sd-jwt:unique_id+given_name+family_name",
+    "input_descriptors": [
+      {
+        "id": "eu.europa.ec.eudiw.pid.it.1",
+        "name": "Person Identification Data",
+        "purpose": "User authentication",
+        "format": "vc+sd-jwt",
+        "constraints": {
+          "fields": [
+            {
+              "path": [
+                "$.credentialSubject.unique_id",
+                "$.credentialSubject.given_name",
+                "$.credentialSubject.family_name",
+              ]
+            }
+          ],
+          "limit_discolusre": "preferred"
+        }
+      }
+    ]
+  }
+}
+
+
+
+

Note

+

The following parameters, even if defined in [OID4VP], are not mentioned in the previous non-normative example, since their usage is conditional and may change in future release of this documentation.

+
    +
  • presentation_definition: JSON object according to Presentation Exchange. This parameter MUST not be present when presentation_definition_uri or scope are present.

  • +
  • presentation_definition_uri: string containing an HTTPS URL pointing to a resource where a Presentation Definition JSON object can be retrieved. This parameter MUST be present when presentation_definition parameter or a scope value representing a Presentation Definition is not present.

  • +
  • client_metadata: A JSON object containing the Verifier metadata values. The client_metadata parameter MUST NOT be present when client_id_scheme is entity_id. The client_metadata is taken from trust_chain.

  • +
  • client_metadata_uri: string containing an HTTPS URL pointing to a resource where a JSON object with the Verifier metadata can be retrieved. The client_metadata_uri parameter MUST NOT be present when client_id_scheme is entity_id.

  • +
  • redirect_uri: the redirect URI to which the Wallet Instance MUST redirect the Authorization Response. This parameter MUST not be present when response_uri is present.

  • +
+
+
+
+

Authorization Response Details

+

After getting the User authorization and consent for the presentation of the credentials, the Wallet sends the Authorization Response to the Relying Party response_uri endpoint, the content should be encrypted according OPENID4VP Section 6.3, using the Relying Party public key.

+
+

Note

+

Why the response is encrypted?

+

The response sent from the Wallet Instance to the Relying Party is encrypted +to prevent a technique called SSL split attack, that could be enabled by malicious app installed locally by Users,that intecepts the network traffic, or be present by-design in network environments where a next-generation firewalls or other security devices may reduce the privacy of the Users.

+
+

Below a non-normative example of the request:

+
POST /callback HTTP/1.1
+HOST: verifier.example.org
+Content-Type: application/x-www-form-urlencoded
+
+response=eyJhbGciOiJFUzI1NiIs...9t2LQ
+
+
+

Below is a non-normative example of the decrypted JSON response content:

+
{
+  "state": "3be39b69-6ac1-41aa-921b-3e6c07ddcb03",
+  "vp_token": "eyJhbGciOiJFUzI1NiIs...PT0iXX0",
+  "presentation_submission": {
+      "definition_id": "32f54163-7166-48f1-93d8-ff217bdb0653",
+      "id": "04a98be3-7fb0-4cf5-af9a-31579c8b0e7d",
+      "descriptor_map": [
+          {
+              "id": "eu.europa.ec.eudiw.pid.it.1:unique_id",
+              "path": "$.vp_token.verified_claims.claims._sd[0]",
+              "format": "vc+sd-jwt"
+          },
+          {
+              "id": "eu.europa.ec.eudiw.pid.it.1:given_name",
+              "path": "$.vp_token.verified_claims.claims._sd[1]",
+              "format": "vc+sd-jwt"
+          }
+      ]
+  }
+}
+
+
+

Where the following parameters are used:

+ ++++ + + + + + + + + + + + + + + + + +

Name

Description

vp_token

JWS containing a single (or an array) of Verifiable Presentation(s) in the form of JWS.

presentation_submission

JSON Object contains mappings between the requested Verifiable Credentials and where to find them within the returned VP Token.

state

Unique identifier provided by the Verifier inside the Authorization Request

+

Below is a non-normative example of the vp_token decoded content, represented in the form of JWS header and payload, separated by a period:

+
{
+  "alg": "ES256",
+  "typ": "JWT",
+  "kid": "e0bbf2f1-8c3a-4eab-a8ac-2e8f34db8a47"
+}
+.
+{
+ "iss": "https://wallet-provider.example.org/instance/vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c",
+ "jti": "3978344f-8596-4c3a-a978-8fcaba3903c5",
+ "aud": "https://verifier.example.org/callback",
+ "iat": 1541493724,
+ "exp": 1573029723,
+ "nonce": "n-0S6_WzA2Mj",
+ "vp": "<SD-JWT>~<Disclosure 1>~<Disclosure 2>~...~<Disclosure N>"
+}
+
+
+
+
+

Relying Party Entity Configuration

+

According to the Trust Model section, the Verifier is a Federation Entity and MUST expose a .well-known endpoint containing its Entity Configuration.

+

Below a non-normative example of the request made by the Wallet Instance to the openid-federation .well-known endpoint to obtain the Relying Party Entity Configuration:

+
GET /.well-known/openid-federation HTTP/1.1
+HOST: verifier.example.org
+
+
+

Below is a non-normative response example:

+
{
+    "alg": "RS256",
+    "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs",
+    "typ": "entity-statement+jwt"
+}
+.
+{
+    "exp": 1649590602,
+    "iat": 1649417862,
+    "iss": "https://rp.example.it",
+    "sub": "https://rp.example.it",
+    "jwks": {
+        "keys": [
+            {
+                "kty": "RSA",
+                "n": "5s4qi …",
+                "e": "AQAB",
+                "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs"
+            }
+        ]
+    },
+    "metadata": {
+        "wallet_verifier": {
+            "application_type": "web",
+            "client_id": "https://rp.example.it",
+            "client_name": "Name of an example organization",
+            "jwks": {
+                "keys": [
+                    {
+                        "kty": "RSA",
+                        "use": "sig",
+                        "n": "1Ta-sE …",
+                        "e": "AQAB",
+                        "kid": "YhNFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs",
+                        "x5c": [ "..." ]
+                    }
+                ]
+            },
+
+            "contacts": [
+                "ops@verifier.example.org"
+            ],
+
+            "request_uris": [
+                "https://verifier.example.org/request_uri"
+            ],
+            "redirect_uris": [
+                "https://verifier.example.org/callback"
+            ],
+
+            "default_acr_values": [
+                "https://www.spid.gov.it/SpidL2",
+                "https://www.spid.gov.it/SpidL3"
+            ],
+
+              "vp_formats": {
+                 "jwt_vp_json": {
+                    "alg": [
+                       "EdDSA",
+                       "ES256K"
+                    ]
+                 }
+              },
+              "presentation_definitions": [
+                  {
+                    "id": "pid-sd-jwt:unique_id+given_name+family_name",
+                    "input_descriptors": [
+                        {
+                            "id": "sd-jwt",
+                            "format": {
+                                "jwt": {
+                                    "alg": [
+                                        "EdDSA",
+                                        "ES256"
+                                    ]
+                                },
+                                "constraints": {
+                                    "limit_disclosure": "required",
+                                    "fields": [
+                                        {
+                                            "path": [
+                                                "$.sd-jwt.type"
+                                            ],
+                                            "filter": {
+                                                "type": "string",
+                                                "const": "PersonIdentificationData"
+                                            }
+                                        },
+                                        {
+                                            "path": [
+                                                "$.sd-jwt.cnf"
+                                            ],
+                                            "filter": {
+                                                "type": "object",
+                                            }
+                                        },
+                                        {
+                                            "path": [
+                                                "$.sd-jwt.family_name"
+                                            ],
+                                            "intent_to_retain": "true"
+                                        },
+                                        {
+                                            "path": [
+                                                "$.sd-jwt.given_name"
+                                            ],
+                                            "intent_to_retain": "true"
+                                        },
+                                        {
+                                            "path": [
+                                                "$.sd-jwt.unique_id"
+                                            ],
+                                            "intent_to_retain": "true"
+                                        }
+                                    ]
+                                }
+                            }
+                        }
+                    ]
+                  },
+                  {
+                    "id": "mDL-sample-req",
+                    "input_descriptors": [
+                        {
+                            "id": "mDL",
+                            "format": {
+                                "mso_mdoc": {
+                                    "alg": [
+                                        "EdDSA",
+                                        "ES256"
+                                    ]
+                                },
+                                "constraints": {
+                                    "limit_disclosure": "required",
+                                    "fields": [
+                                        {
+                                            "path": [
+                                                "$.mdoc.doctype"
+                                            ],
+                                            "filter": {
+                                                "type": "string",
+                                                "const": "org.iso.18013.5.1.mDL"
+                                            }
+                                        },
+                                        {
+                                            "path": [
+                                                "$.mdoc.namespace"
+                                            ],
+                                            "filter": {
+                                                "type": "string",
+                                                "const": "org.iso.18013.5.1"
+                                            }
+                                        },
+                                        {
+                                            "path": [
+                                                "$.mdoc.family_name"
+                                            ],
+                                            "intent_to_retain": "false"
+                                        },
+                                        {
+                                            "path": [
+                                                "$.mdoc.portrait"
+                                            ],
+                                            "intent_to_retain": "false"
+                                        },
+                                        {
+                                            "path": [
+                                                "$.mdoc.driving_privileges"
+                                            ],
+                                            "intent_to_retain": "false"
+                                        }
+                                    ]
+                                }
+                            }
+                        }
+                    ]
+                }
+            ],
+
+            "default_max_age": 1111,
+
+            // JARM related
+            "authorization_signed_response_alg": [[
+                "RS256",
+                "ES256"
+            ],
+            "authorization_encrypted_response_alg": [
+                "RSA-OAEP",
+                "RSA-OAEP-256"
+            ],
+            "authorization_encrypted_response_enc": [
+                "A128CBC-HS256",
+                "A192CBC-HS384",
+                "A256CBC-HS512",
+                "A128GCM",
+                "A192GCM",
+                "A256GCM"
+            ],
+
+            // SIOPv2 related
+            "subject_type": "pairwise",
+            "require_auth_time": true,
+            "id_token_signed_response_alg": [
+                "RS256",
+                "ES256"
+            ],
+            "id_token_encrypted_response_alg": [
+                "RSA-OAEP",
+                "RSA-OAEP-256"
+            ],
+            "id_token_encrypted_response_enc": [
+                "A128CBC-HS256",
+                "A192CBC-HS384",
+                "A256CBC-HS512",
+                "A128GCM",
+                "A192GCM",
+                "A256GCM"
+            ],
+        },
+        "federation_entity": {
+            "organization_name": "OpenID Wallet Verifier example",
+            "homepage_uri": "https://verifier.example.org/home",
+            "policy_uri": "https://verifier.example.org/policy",
+            "logo_uri": "https://verifier.example.org/static/logo.svg",
+            "contacts": [
+               "tech@verifier.example.org"
+             ]
+        }
+    },
+    "authority_hints": [
+        "https://registry.eudi-wallet.example.it"
+    ]
+  }
+}
+
+
+

The Entity Configuration is a JWS, where its header parameters are defined below:

+ ++++ + + + + + + + + + + + + + + + + +

Name

Description

alg

Algorithm used to sign the JWT

typ

Media Type of the JWT

kid

Key ID used identifying the key used to sign the JWS

+

While each metadata specific parameter is defined below:

+ +++++ + + + + + + + + + + + + +

Name

Description

Specs

TBD

TBD

TBD

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/revocation-lists.html b/mdoccbor/en/revocation-lists.html new file mode 100644 index 000000000..170ac17ac --- /dev/null +++ b/mdoccbor/en/revocation-lists.html @@ -0,0 +1,1297 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | revocation-lists.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
+ + +
+
+
+
+
+
+
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

revocation-lists.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/search.html b/mdoccbor/en/search.html new file mode 100644 index 000000000..c87ed9b38 --- /dev/null +++ b/mdoccbor/en/search.html @@ -0,0 +1,1256 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Search + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
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"1686652315": 13, "whose": 13, "let": 13, "va": 13, "yet": 13, "problem": 13, "limit": 13, "durat": 13, "asc": 13, "Of": 13, "agreement": 13, "response_types_support": 13, "vp_formats_support": 13, "jwt_vc_json": 13, "request_object_sign": 13, "_alg_values_support": 13, "_uri_support": 13, "boolean": 13, "transfer": 13, "eyjhbgcioijfuz": 13, "6s0a": 13, "jjla": 13, "h9gw": 13, "miibjdcc": 13, "xfehgkqa": 13, "alg_values_support": 13, "request_object_signing_alg_values_support": 13, "presentation_definition_uri_support": 13, "1687281195": 13, "1687288395": 13, "two": 13, "our": 13, "cater": 14, "asset": 14, "adher": 14, "address": 14, "android": 14, "io": 14, "actual": 14, "total": 14, "legisl": 14, "primari": 14, "conveni": 14, "pid\u00b9": 14, "along": 14, "short\u00b9": 14, "vital": 14, "engag": 14, "manner": 14, "underli": 14, "asymmetr": 14, "exclus": 14, "Their": 14, "utmost": 14, "execut": 14, "\u00b3": 14, "distinct": 14, "performed\u00b2": 14, "open": 14, "unlock": 14, "pin": 14, "biometr": 14, "fingerprint": 14, "facial": 14, "recognit": 14, "unambigu": 14, "confid": 14, "view": 14, "providers\u00b9": 14, "parties\u00b9": 14, "share": 14, "rel": 14, "revert": 14, "circumst": 14, "voluntarili": 14, "remov": 14, "\u00b9": 14, "inherit": 14, "write": 14, "\u00b2": 14, "trusti": 14, "enclav": 14}, "objects": {}, "objtypes": {}, "objnames": {}, "titleterms": {"cryptograph": 0, "algorithm": 0, "backup": 1, "restor": 1, "rst": [1, 2, 7, 9], "gener": [1, 7, 9, 12, 13], "properti": [1, 7, 9, 12, 13], "requir": [1, 7, 9, 12, 13, 14], "attribut": [1, 7, 9], "implement": [1, 7, 9], "consider": [1, 7, 9, 12], "librari": [1, 7, 9], "code": [1, 7, 9], "snippet": [1, 7, 9], "extern": [1, 7, 9, 14], "refer": [1, 7, 9, 14], "contribut": 2, "defin": 3, "term": 3, "acronym": 3, "italian": 4, "eida": 4, "wallet": [4, 12, 13, 14], "technic": 4, "specif": 4, "introduct": [4, 10], "index": 4, "content": 4, "pid": [5, 6], "data": 5, "model": [5, 12], "sd": 5, "jwt": 5, "element": 5, "non": [5, 12], "norm": 5, "exampl": 5, "mdoc": 5, "cbor": 5, "schema": 5, "namespac": 5, "mobil": 5, "secur": 5, "object": [5, 8], "issuanc": 6, "detail": [6, 8, 13], "flow": [6, 8], "push": 6, "author": [6, 8], "request": [6, 8, 13], "endpoint": [6, 12, 13], "par": 6, "http": [6, 8], "paramet": [6, 12], "respons": [6, 8], "token": 6, "access": 6, "credenti": 6, "entiti": [6, 8, 12, 13], "configur": [6, 8, 12, 13], "issuer": 6, "pseudonym": 7, "reli": [8, 12], "parti": [8, 12], "solut": [8, 14], "same": 8, "devic": 8, "remot": 8, "cross": 8, "dpop": 8, "header": [8, 13], "uri": 8, "revoc": 9, "list": 9, "self": 10, "sovereign": 10, "ident": 10, "ssi": 10, "standard": 11, "The": 12, "infrastructur": 12, "trust": 12, "feder": 12, "role": 12, "api": 12, "common": 12, "anchor": 12, "leav": 12, "intermedi": 12, "metadata": [12, 13], "type": 12, "statement": 12, "evalu": 12, "mechan": 12, "attest": [12, 13], "instanc": [12, 13, 14], "chain": 12, "offlin": 12, "eudi": 12, "repudi": 12, "long": 12, "live": 12, "privaci": 12, "about": 12, "decentr": 12, "high": 13, "end": 13, "design": 13, "static": 13, "view": 13, "compon": 13, "dynam": 13, "format": 13, "provid": 13, "payload": 13, "eudi_wallet_provid": 13, "federation_ent": 13, "signatur": 13, "lifecycl": 14, "initi": 14, "process": 14, "transit": 14, "valid": 14, "state": 14, "return": 14, "oper": 14, "deactiv": 14}, "envversion": {"sphinx.domains.c": 2, "sphinx.domains.changeset": 1, "sphinx.domains.citation": 1, "sphinx.domains.cpp": 6, "sphinx.domains.index": 1, "sphinx.domains.javascript": 2, "sphinx.domains.math": 2, "sphinx.domains.python": 3, "sphinx.domains.rst": 2, "sphinx.domains.std": 2, "sphinx.ext.intersphinx": 1, "sphinx.ext.todo": 2, "sphinx": 56}}) \ No newline at end of file diff --git a/mdoccbor/en/ssi-introduction.html b/mdoccbor/en/ssi-introduction.html new file mode 100644 index 000000000..b0bee61b7 --- /dev/null +++ b/mdoccbor/en/ssi-introduction.html @@ -0,0 +1,1281 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Self Sovereign Identity + + + + + + + + + + + + + + + + + + + + + +
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Self Sovereign Identity

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Introduction to SSI

+

Definition

+

Self-Sovereign Identity (SSI) refers to a new paradigm in Identity and Access Management (IAM) that improves the privacy and grants complete control and ownership over the personal data by their owner, the citizens. +Users possess their digital documents and determine to which actors they present these documents, with the ability to revoke the use of said documents, all while maintaining a history of their activities.

+

The main difference between this new approach and the traditional IAM infrastructure is that during the presentation phase there are no intermediates between the Wallet (Holder of the credentials) and the Relying Party, while in the SAML2 or OIDC based infrastructure an Identity Provider is always involved, knowing which services a citizen is accessing to.

+

SSI is also significant in the field of data exchange and data governance. This is relevant at both national and European levels, including the new eIDAS Regulation. In fact, it envisions a login option designed for European Users - be they citizens, public administrations, or companies - who want to access another Member State's services using their national authentication systems.

+

The main roles in an SSI ecosystem are are listed as follow:

+
+
    +
  • Issuers: parties who can issue attributes or "credentials" about a person;

  • +
  • Verifiers: parties who request Holders' attributes because they want to know something about them;

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  • Holders: individuals who own a Wallet and have control over the attributes they can acquire, store, and present to Verifiers;

  • +
  • Verifiable Data Registries: Authorities that publish certificates, attestations, metadata, and schemes needed for trust establishment between the parties.

  • +
+
+

What it is useful for

+

In the SSI model, the data source (e.g., an educational institution) provides credentials to the User, who can store them in their digital Wallet. +A secure Self-Sovereign Identity Wallet is crucial, as it allows people to carry their credentials on their digital devices. The Wallet typically comes in the form of an application on the User's mobile phone. Portability is, therefore, one of the principles of SSI.

+
+
Other key elements that characterize an SSI system include:
    +
  • Privacy and control: SSI enables individuals to maintain control over their personal data. They can choose what information to release, to whom, and for what purpose. This reduces the risk of personal data being collected, stored, or misused;

  • +
  • Security: SSI leverages advanced cryptographic techniques to ensure the integrity and security of identity information. It avoids the risk of identity theft, fraud, and unauthorized access since the data remains under the individual's control and is not stored in a single vulnerable location;

  • +
  • Interoperability: SSI promotes interoperability by enabling different systems and organizations to recognize and verify identities without relying on a central authority. This allows for seamless and trusted interactions between individuals, organizations, and even across borders;

  • +
  • Efficiency and cost reduction: individuals can manage their own identities with SSI, eliminating the need for multiple identity credentials and repetitive identity verification processes. This can streamline administrative procedures, reduce costs, and enhance the user experience.

  • +
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Example

+

When a User wants to purchase a good or access to a service, the service provider asks the User for specific proof. Instead of presenting physical identification documents or disclosing their full data, the individual can use their SSI system. +An example of SSI in action could be a scenario where an individual needs to prove their age to access a restricted service, such as purchasing age-restricted items. They would release only the necessary information, such as a digitally signed proof of being above the legal age, without revealing any other personal details. The verifier can then cryptographically validate the proof.

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Standards

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TODO

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Public documents, made digital.

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The Infrastructure of Trust

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The EUDI Wallet Architecture Reference Framework (EIDAS-ARF) defines the Trust Model as a "collection of rules that ensure the legitimacy of the components and the entities involved in the EUDI Wallet ecosystem.".

+

This section defines how the Trust Model is implemented in an infrastructure of Trust in fully compliace with OpenID Connect Federation 1.0 OIDC-FED, where its Federation API is used for the distribution of metadata, metadata policies, trust marks, public keys, X.509 certificates, and the revocation status of the participants (Federation Entities).

+

The infrastructure of Trust enables the trust assessment mechanism to be applied between the parties defined in the EIDAS-ARF.

+
+federation portrain +
+

Fig. 1 The roles of the Federation infrastructure, where a Trust Anchor has one or more Intermediates and Leafs and the Intermediates have their Leafs. In this representation both Trust Anchor and Intermediates play the role of Accreditation Body.

+
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Federation Roles

+

All the participants are Federation Entities that must be accredited by an Accreditation Body, except the Wallet Instances that are personal devices and are certified by their Wallet Provider.

+
+

Note

+

The Wallet Instance, as a personal device, is certified as trusted through a verifiable attestation issued and signed by its Wallet Provider.

+

This is called Wallet Instance Attestation and is documented in the dedicated section.

+
+

Therein a table with the summary of the Federation Entity roles mapped on the corresponding EUDI roles, as defined in the EIDAS-ARF.

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

EUDI Role

Federation Role

Notes

Public Key Infrastructure (PKI)

Trust Anchor +Intermediates

The Federation has PKI +capabilities and the +Entity that configures +the entire infrastructure +is the Trust Anchor.

Qualified Trust Service Provider (QTSP)

Leaf

Person Identification Data Provider

Leaf

Qualified Electronic Attestations +of Attributes Provider

Leaf

Electronic Attestations of +Attributes Provider

Leaf

Relying Party

Leaf

Trust Service Provider (TSP)

Leaf

Trusted List

Trust Anchor +Intermediates

The listing endpoint, the +trust mark status endpoint +and the fetch endpoint must +be exposed by both Trust Anchors +and their Intermediates, making +the Trusted List distributed +over multiple Federation Entities, +where each of these is responsible +of their accredited subordinates.

EUDI Wallet Provider

Leaf

+
+
+

General Properties

+

OpenID Federation facilitates the building of an infrastructure that is:

+
    +
  • Secure and Tamper-proof, entities' attestations of metadata and keys are cryptographically signed in the chain of trust, comprised of attestations issued by multiple parties that cannot be forged or tampered with by an adversary;

  • +
  • Privacy-preserving, the infrastructure is public and exposes public data such as public keys and metadata of the participants. It does not require authentication of the requesters and therefore does not track who is assessing trust against whom;

  • +
  • Guarantor of the non-repudiation of long-lived attestations, historical keys endpoints and historical Trust Chains are saved for years according to data retention policies. This enables the certification of the validity of historical compliance, even in cases of revocation, expiration, or rotation of the keys used for signature verification;

  • +
  • Dynamic and flexible, allowing any participant to modify parts of their metadata autonomously, as these are published within their domains and verified through the Trust Chain. Simultaneously, the Trust Anchor or its Intermediate may publish a metadata policy to dynamically modify the metadata of all participants—such as disabling a vulnerable signature algorithm—and obtain certainty of propagation within a configured period of time to all participants;

  • +
  • Efficient, as JWT and JSON formats have been adopted on the web for years. They are cost-effective in terms of storage and processing and have a wide range of solutions available, such as libraries and software development kits, which enable rapid implementation of the solution;

  • +
  • Scalable, the Trust Model can accommodate more than a single organization by using Intermediates.

  • +
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+
+

Trust Model Requirements

+

In the table below there’s the map of the components that the ARF defines within the Trust Model and their coverage in OIDC-FED.

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Component

Satisfied

how

Issuers identification

check-icon

Trust Chain

Issuers registration

check-icon

Trust Anchor

+

Intermediate +OnBoarding +systems

+

Recognised data models and schemas

check-icon

Entity +Configuration

+

Entity +Statements

+

Relying Parties’ registration and authentication

check-icon

static +Trust Chains

+

Federation +Entity +Discovery

+

Trust mechanisms in a cross-domain scenario

check-icon

static +Trust Chains

+

Federation +Entity +Discovery

+
+
+
+

Federation API endpoints

+

OpenID Connect Federation is similar to a PKI that uses RESTful Web Services secured over HTTPs. OpenID Connect Federation defines which are the web endpoints that the participants made publicly available. In the table below the summary of these and their scopes.

+

All the endpoints listed below are defined in the OIDC-FED specs.

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

endpoint name

http request

scope

required by

federation metadata

GET .well-known/openid-federation

Metadata that an Entity +publishes about itself, +verifiable with a trusted third +party (Superior Entity). It’s +called Entity Configuration.

Trust Anchor +Intermediate +Wallet Provider +Relying Party

subordinate list endpoint

GET /list

Lists the Subordinates.

Trust Anchor +Intermediate

fetch endpoint

GET /fetch?sub=https://rp.example.org

Returns a document (JWS) +about a specific subject, its +Subordinate. It’s called Entity +Statement.

Trust Anchor +Intermediate

trust mark status

POST /status?sub=...&trust_mark_id=...

Returns the status of the +issuance (validity) of a Trust +Mark related to a specific +subject.

Trust Anchor +Intermediate

historical keys

GET

+

.well-known/openid-federation-historical-jwks

+

Lists its expired and revoked +keys, with the motivation of the +revocation.

Trust Anchor +Intermediate

+

All the responses of the Federation endpoints are JWS, with the exception of the Subordinate Listing endpoint and the Trust Mark Status endpoint that are served as plain JSON by default, however these may be signed if required.

+
+
+

Configuration of the Federation

+

The configuration of the Federation is published by the Trust Anchor within its Entity Configuration, available at a well-known web path corresponding to .well-known/openid-federation.

+

All entities MUST obtain the Federation configuration before entering the operational phase, and they +MUST keep it up-to-date. The Federation configuration contains the Trust Anchor +public keys for signature operations and the maximum number of Intermediates allowed between a Leaf and the Trust Anchor (max_path length).

+

Below is a non-normative example of a Trust Anchor Entity Configuration, where each parameter is documented in the OpenID Connect Federation specifications, Section 3.1 for the Federation statements and Section 4 for the Metadata identifiers:

+
{
+    "alg": "ES256",
+    "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc",
+    "typ": "entity-statement+jwt"
+}
+.
+{
+    "exp": 1649375259,
+    "iat": 1649373279,
+    "iss": "https://registry.eidas.trust-anchor.example.eu/",
+    "sub": "https://registry.eidas.trust-anchor.example.eu/",
+    "jwks": {
+        "keys": [
+            {
+                "kty": "RSA",
+                "n": "3i5vV-_ …",
+                "e": "AQAB",
+                "kid": "FifYx03bnosD8m6gYQIfNHNP9cM_Sam9Tc5nLloIIrc",
+                "x5c": [ <X.509 Root CA certificate> ]
+            },
+            {
+                "kty": "EC",
+                "kid": "X2ZOMHNGSDc4ZlBrcXhMT3MzRmRZOG9Jd3o2QjZDam51cUhhUFRuOWd0WQ",
+                "crv": "P-256",
+                "x": "1kNR9Ar3MzMokYTY8BRvRIue85NIXrYX4XD3K4JW7vI",
+                "y": "slT14644zbYXYF-xmw7aPdlbMuw3T1URwI4nafMtKrY",
+                "x5c": [ <X.509 Root CA certificate> ]
+            }
+        ]
+    },
+    "metadata": {
+        "federation_entity": {
+            "organization_name": "example TA",
+            "contacts":[
+                "tech@eidas.trust-anchor.example.eu"
+            ],
+            "homepage_uri": "https://registry.eidas.trust-anchor.example.eu/",
+            "logo_uri":"https://registry.eidas.trust-anchor.example.eu/static/svg/logo.svg",
+            "federation_fetch_endpoint": "https://registry.eidas.trust-anchor.example.eu/fetch/",
+            "federation_resolve_endpoint": "https://registry.eidas.trust-anchor.example.eu/resolve/",
+            "federation_list_endpoint": "https://registry.eidas.trust-anchor.example.eu/list/",
+            "federation_trust_mark_status_endpoint": "https://registry.eidas.trust-anchor.example.eu/trust_mark_status/"
+        }
+    },
+    "trust_marks_issuers": {
+        "https://registry.eidas.trust-anchor.example.eu/openid_relying_party/public/": [
+            "https://registry.spid.eidas.trust-anchor.example.eu/",
+            "https://public.intermediary.spid.org/"
+        ],
+"https://registry.eidas.trust-anchor.example.eu/openid_relying_party/private/": [
+            "https://registry.spid.eidas.trust-anchor.example.eu/",
+            "https://private.other.intermediary.org/"
+        ]
+    },
+    "constraints": {
+        "max_path_length": 1
+    }
+}
+
+
+
+
+

Entity Configuration

+

The Entity Configuration is the verifiable document that each Federation Entity must publish on its own behalf. +The Entity Configuration must be cryptographycally signed, and it must be verified with one of the public keys contained within it and one of the public keys within the Entity Statement issued by the Trust Anchor or its Intermediate.

+

The Entity Configuration may also contain one or more Trust Marks.

+
+

Note

+

Entity Configuration Signature

+

All the signature-check operations regarding the Entity Configurations, Entity Statements and Trust Marks, are carried out with the Federation public keys. For the supported algorithms refer to Section Cryptografic Algorithm.

+
+
+

Entity Configurations Common Parameters

+

The Entity Configurations of all the participants have in common the parameters listed below.

+ ++++ + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

iss

String. Identifier of the issuing Entity.

sub

String. Identifier of the Entity to which it is referred.

iat

UNIX Timestamp with the time of generation of the JWT, coded as NumericDate as indicated at RFC 7519

exp

UNIX Timestamp with the expiry time of the JWT, coded as NumericDate as indicated at RFC 7519.

jwks

A JSON Web Key Set (JWKS) RFC 7517 that represents the public part of the signing keys of the Entity at issue. Each JWK in the JWK set MUST have a key ID (claim kid) and MAY have a x5c parameter, as defined in RFC 7517.

metadata

JSON Object. Each key of the JSON Object represents a metadata type identifier +containing JSON Object representing the Metadata, according to the Metadata +schema of that type. An Entity Configuration MAY contain more Metadata statements, but only one for each type of +Metadata (<entity_type>). the metadata types are defined in the section Metadata Types.

+
+

Note

+

Inside the Entity Configuration the claims iss e sub contain the same value (URL).

+
+
+
+

Entity Configuration Trust Anchor

+

The Trust Anchor Entity Configuration, in addition of the common parameters listed above, also contains the followings parameters:

+ +++++ + + + + + + + + + + + + + + + + +

Claim

Description

Required

constraints

JSON Object that describes the Trust Chain bounds and MUST contain the attribute max_path_length. +It represents the maximum number of Intermediate between a Leaf and the Trust Anchor.

check-icon

trust_marks_issuers

JSON Array that indicates which Federation authorities are considered trustworthy +for issuing specific Trust Marks, assigned with their unique identifiers.

uncheck-icon

+
+
+

Entity Configuration Leaves and Intermediates

+

In addition to the previously defined claims, the Entity Configuration of the Leaf and the Intermediate Entities, contain also the parameters listed below:

+ +++++ + + + + + + + + + + + + + + + + +

Claim

Description

Required

authority_hints

Array of URLs (String). It contains a list of URLs of the superior Entities, such as the Trust Anchor or an Intermediate, that MAY issue an Entity Statement related to this subject.

check-icon

trust_marks

A JSON Array containing the Trust Marks.

uncheck-icon

+
+
+

Metadata Types

+

In this section are defined the main metadata types mapped to the roles of the ecosystem, +giving the references of the metadata protocol for each of these.

+
+

Note

+

The entities that doesn't have any references to a known draft or standard are intended to be defined in this technical reference.

+
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Entity

metadata type

references

Trust Anchor

federation_entity

OIDC-FED

Intermediate

federation_entity

OIDC-FED

Wallet Provider

federation_entity

+

wallet_provider

+

--

Credential Issuer

federation_entity

+

openid_credential_issuer

+

OPENID4VCI

Relying Party

federation_entity

+

wallet_relying_party

+

OIDC-FED

+

OpenID4VP

+
+
+

Note

+

Wallet Provider metadata is defined in the section below.

+

Wallet Solution section.

+
+
+
+
+

Entity Statements

+

Trust Anchors and Intermediates publish an Entity Statement related to a Subordinate. +The Entity Statement MAY contain a metadata policy and the Trust Marks related to a Subordinate.

+

The metadata policy, when applied, makes one or more changes to the final metadata of the Leaf. The final metadata of a Leaf is derived from the Trust Chain that contains all the statements, starting from the Entity Configuration up to the Trust Anchor.

+

Trust Anchors and Intermediates must expose the Federation Fetch endpoint, where the Entity Statements are requested to validate the Leaf's Entity Configurations signature.

+
+

Note

+

The Federation Fetch endpoint may also issue X.509 certificates for each of the public keys of the Subordinate. Making the issuance of the X.509 certificates completely automatic.

+
+

Below there is a non-normative example of an Entity Statement issued by an Accreditation Body (such as the Trust Anchor or its Intermediate) in relation to one of its Subordinates.

+
{
+    "alg": "RS256",
+    "kid": "em3cmnZgHIYFsQ090N6B3Op7LAAqj8rghMhxGmJstqg",
+    "typ": "entity-statement+jwt"
+}
+.
+{
+    "exp": 1649623546,
+    "iat": 1649450746,
+    "iss": "https://intermediate.eidas.example.org",
+    "sub": "https://rp.example.it",
+    "jwks": {
+        "keys": [
+            {
+                "kty": "EC",
+                "kid": "2HnoFS3YnC9tjiCaivhWLVUJ3AxwGGz_98uRFaqMEEs",
+                "crv": "P-256",
+                "x": "1kNR9Ar3MzMokYTY8BRvRIue85NIXrYX4XD3K4JW7vI",
+                "y": "slT14644zbYXYF-xmw7aPdlbMuw3T1URwI4nafMtKrY",
+                "x5c": [ <X.509 certificate> ]
+            }
+        ]
+    },
+    "metadata_policy": {
+        "openid_relying_party": {
+            "scope": {
+                "subset_of": [
+                     "eu.europa.ec.eudiw.pid.1",
+                     "eu.europa.ec.eudiw.pid.1:given_name",
+                     "email"
+                  ]
+            },
+           "request_authentication_methods_supported": {
+            "one_of": ["request_object"]
+            },
+           "request_authentication_signing_alg_values_supported": {
+                "subset_of": ["RS256", "RS512", "ES256", "ES512", "PS256", "PS512"]
+           }
+        },
+        "client": {
+            "vp_formats": {
+                "jwt_vp": {
+                    "alg":
+                        "subset_of": [
+                            "EdDSA",
+                            "ES256K"
+                        ]
+                    }
+                }
+            }
+        }
+    }
+}
+
+
+
+

Note

+

Entity Statement Signature

+

The same considerations and requirements made for the Entity Configuration must be applied for the Entity Statements.

+
+
+

Entity Statement

+

The Entity Statement issued by Trust Anchors and Intermediates contain the following attributes:

+ +++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Claim

Description

Required

iss

See OIDC-FED Section 3.1 for further details.

check-icon

sub

See OIDC-FED Section 3.1 for further details.

check-icon

iat

See OIDC-FED Section 3.1 for further details.

check-icon

exp

See OIDC-FED Section 3.1 for further details.

check-icon

jwks

Federation JWKS of the sub entity. See OIDC-FED Section 3.1 for further details.

check-icon

metadata_policy

JSON Object that describes the Metadata policy. Each key of the JSON Object represents an identifier of the type of Metadata and each value MUST be a JSON Object that represents the Metadata policy according to that Metadata type. Please refer to the OIDC-FED specifications, Section-5.1, for the implementation details.

uncheck-icon

trust_marks

JSON Array containing the Trust Marks issued by itself for the subordinate subject.

uncheck-icon

constraints

It MAY contain the allowed_leaf_entity_types, that restricts what types of metadata a subject is allowed to publish.

check-icon

+
+
+
+

Trust Evaluation Mechanism

+

The Trust Anchor publishes the list of its Intermediates (Federation Subordinate Listing endpoint) and the attestations of their metadata and public keys (Entity Statements).

+

Each participant, including Trust Anchor, Intermediate, Credential Issuer, Wallet Provider, and Relying Party, publishes its own metadata and public keys (Entity Configuration endpoint) on the well-known web resource .well-known/openid-federation.

+

Each of these can be verified using the Entity Statement issued by a superior, Trust Anchor, or Intermediate.

+

Each Entity Statement is verifiable over time and has an expiration date. The revocation of each statement is verifiable in real time and online (only for remote flows) through the federation endpoints.

+
+

Note

+

The revocation of an Entity is made with the unavailability of the Entity Statement related to it. If the Trust Anchor or its Intermediates doesn't publish a valid Entity Statement, or if they publish an expired/invalid Entity Configuration, the subject of the Entity Statement must be intended as not valid or revoked.

+
+

The concatenation of the statements, through the combination of these signing mechanisms and the binding of claims and public keys, creates the Trust Chain.

+

The Trust Chains can also be verified offline, using only the Trust Anchor's public keys.

+
+

Note

+

Since the Wallet Instance is not a Federation Entity, the Trust Evaluation Mechanism related to it requires the presentation of the Wallet Instance Attestation during the credential issuance and presentation phases.

+

The Wallet Instance Attestation conveys all the required information pertaining to the instance, such as its public key and any other technical or administrative information, without any User's personal data.

+
+
+

Relying Party Attestation

+

The Relying Party is accredited by a Trust Anchor or its Intermediate and obtains a Trust Mark to be included in its Entity Configuration, where it also publishes the interoperability metadata to disclose the requested user attributes. Additionally, it includes signature and encryption algorithms, and any other necessary information in accordance with one or more specific protocols.

+

Any requests for user attributes, such as PID or (Q)EAA, from the Relying Party to Wallet Instances are signed and contain the verifiable Trust Chain regarding the Relying Party.

+

The Wallet Instance verifies the Trust Chain related to the Relying Party and its revocation. It does this by using an HTTP request to the Relying Party's federation Entity Statement.

+

The Trust Chain should be contained within the signed request in the form of a JWS header parameter.

+

In offline flows, Trust Chain verification enables the assessment of the reliability of Trust Marks and Attestations contained within.

+
+
+

Wallet Instance Attestation

+

The Wallet Provider issues a Wallet Instance Attestation, certifying the operational status of its Wallet Instances, including one or more of their public keys.

+

The Wallet Instance Attestation contains the Trust Chain that attests to the required public key's validity for itself and its issuer (Wallet Provider).

+

The Wallet Instance presents its Wallet Instance Attestation within the signed request during the PID issuance phase, containing the Trust Chain related to the Wallet Provider. The PID Provider issues a PID for each public key contained in the Wallet Instance Attestation, producing the Holder key Binding within the issued PID.

+
+
+

Trust Chain

+

The Trust Chain is the sequence of verified statements that validates a participant's compliance with the eIDAS Federation. It has an expiration date, beyond which it should be renewed to obtain updated metadata. The expiration date of the Trust Chain is determined by the earliest expiration date among all the expiration dates contained in the statements. No Entity can force the expiration date of the Trust Chain to be higher than the one configured by the Trust Anchor.

+

Below is an abstract representation of a Trust Chain.

+
[
+    "EntityConfiguration-as-SignedJWT-selfissued-byLeaf",
+    "EntityStatement-as-SignedJWT-issued-byTrustAnchor"
+]
+
+
+

Below is a non-normative example of a Trust Chain in its original format (JSON Array containing JWS as strings) with an Intermediate involved.

+
[
+ "eyJhbGciOiJFUzI1NiIsImtpZCI6ImVEUkNOSGhWYXpWd01VRlpjMVU0UlRremMxSjRNMGRVYUU4MWVVWk5VMVUyWkdSM1lqRmZTV2h1UVEiLCJ0eXAiOiJhcHBsaWNhdGlvbi9lbnRpdHktc3RhdGVtZW50K2p3dCJ9.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.dIRBRyfEsmi_6oGrJAHaYUPCtXSvBZBMdokVZtjyYgzMKEP6eSLixa8nUU9BWBWP_ELNgdKbPquSbWIGx66D5w",
+ "eyJhbGciOiJFUzI1NiIsImtpZCI6IlFWUnVXSE5FWTJzMFdHNW5hSHB3VjJKVGRtd3hiRUpVY2pCdk9FeHNWMFExT0dnMFZWQnhhbTUyT0EiLCJ0eXAiOiJhcHBsaWNhdGlvbi9lbnRpdHktc3RhdGVtZW50K2p3dCJ9.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.rIgdHa7CoaP3SO3ZNsjDWt7-8Tea41An3YBw-qaWFNdQMUzcTqRwcD4vtX6TZEEoRO3KEu8bJeaKlikHRHzoBg",
+ "eyJhbGciOiJFUzI1NiIsImtpZCI6ImVVRldSakJKYlhVeU5TMHRhV1JrYlhCMWVURlBjazV6UzBGRVFTMWFNVFpEYTNOWk1WUktURTR5Y3ciLCJ0eXAiOiJhcHBsaWNhdGlvbi9lbnRpdHktc3RhdGVtZW50K2p3dCJ9.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.KR2oBDMfqLGCZ2ZqN0FgOP7cWsW4ClxBaj4-j_c3HC-YEecK6SLlNk00bGqoEe2NCMy2lqk9dYQO1IauB_ZG7A"
+]
+
+
+
+

Note

+

The entire Trust Chain is verifiable by possessing only the Trust Anchor’s public key.

+
+
+
+

Offline Trust Attestation Mechanisms

+

In this section, we describe the implementation requirements to enable +offline trust evaluation mechanisms.

+
+

Note

+

The offline flows do not allow for real-time evaluation of an Entity's status, such as its revocation. At the same time, using short-lived Trust Chains enables the attainment of trust attestations compatible with the required revocation administrative protocols (e.g., a revocation must be propagated in less than 24 hours, thus the Trust Chain must not be valid for more than that period).

+
+
+

Offline EUDI Wallet Trust Attestation

+

Given that a mobile device should not publish its metadata online at the .well-known/openid-federation endpoint, or in any other way, it is not mandatory for the Wallet Instance to publish its metadata if the User does not want this. As a result, the Wallet Instance does not need to publish its federation metadata online.

+

However, the Wallet Instance should obtain a Wallet Attestation Instance issued by its Wallet Provider, which should contain a Trust Chain related to its issuer (Wallet Provider).

+
+
+

Offline Relying Party Metadata

+

Since the Federation Entity Discovery is only applicable in online scenarios, it is possible to include the Trust Chain in the presentation requests that a Relying Party may issue for a Wallet Instance.

+

The Relying Party must sign the presentation request, which should include the trust_chain claim in its header parameter, containing the Federation Trust Chain related to itself.

+

The Wallet Instance that verifies the request issued by the Relying Party can then use the Trust Anchor public keys to validate the entire Trust Chain related to the Relying Party and attest to its reliability.

+

Furthermore, the Wallet Instance applies the metadata policy, if available, to filter out any User attributes not attested in the Relying Party metadata, as derived from the Trust Chain made available in the Relying Party's signed request.

+
+
+
+
+

Non-repudiability of the Long Lived Attestations

+

The Trust Anchor and its Intermediate MUST expose the Historical keys endpoint, where are published all the public keys that are no longer used, whether expired or revoked.

+

The details of this endpoint are defined in the OIDC-FED Section 7.6.

+

Each JWS containing a Trust Chain in the form of a JWS header parameter can be verified over time, since the entire Trust Chain is verifiable using the Trust Anchor's public key.

+

Even if the Trust Anchor has changed its cryptographic keys for digital signature, the historical keys endpoint always makes the keys no longer used available for historical signature verifications.

+
+
+

Privacy Considerations

+
    +
  • Wallet Instances do not publish their metadata through an online service.

  • +
  • The trust infrastructure is public, with all endpoints publicly accessible without any client credentials that may disclose who is requesting access.

  • +
  • When a Wallet Instance requests the Entity Statements to build the Trust Chain for a specific Relying Party or validates a Trust Mark online, issued for a specific Relying Party, the Trust Anchor or its Intermediate do not know that a particular Wallet Instance is inquiring about a specific Relying Party; instead, they only serve the statements related to that Relying Party as a public resource.

  • +
  • The Wallet instance metadata must not contain information that may disclose technical information about the hardware used.

  • +
  • Leaf entity, Intermediate, and Trust Anchor metadata may include the necessary amount of data as part of administrative, technical, and security contact information. It is generally not recommended to use personal contact details in such cases. From a legal perspective, the publication of such information is needed for operational support concerning technical and security matters and is in line with GDPR.

  • +
+
+
+

Considerations about Decentralization

+
    +
  • There should be more than one Trust Anchor.

  • +
  • In some cases, a trust verifier may trust an Intermediate, especially when the Intermediate may represent itself as a Trust Anchor within a specific perimeter, such as cases where the Leafs are both in the same perimeter like a Member State jurisdiction (eg: Italian RP with an Italian Wallet Instance may consider the Italian Accreditation Body as Trust Anchor).

  • +
  • Trust attestations (Trust Chain) should be included in the JWS issued by Credential Issuers, and the Presentation Requests of RPs should contain the Trust Chain related to them (issuers of the presentation requests).

  • +
  • Since the credential presentation must be signed, saving the signed presentation requests and responses, which include the Trust Chain, the Wallet Instance has a snapshot of the federation configuration (Trust Anchor Entity Configuration in the Trust Chain) and the verifiable reliability of the Relying Party it has interacted with. This information must be stored on the Wallet Device and backed up in a remote and secure cloud storage, with the explicit permission of its User.

  • +
  • Each signed attestation is long-lived since it can be cryptographically validated even when the federation configuration changes or the keys of its issuers are renewed.

  • +
  • Each participant should be able to update its Entity Configuration without notifying the changes to any third party. The Metadata Policy of a Trust Chain must be applied to overload any information related to protocol metadata and allowed grants of the participants.

  • +
+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/wallet-instance-attestation.html b/mdoccbor/en/wallet-instance-attestation.html new file mode 100644 index 000000000..2d9de8adc --- /dev/null +++ b/mdoccbor/en/wallet-instance-attestation.html @@ -0,0 +1,2137 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Wallet Instance Attestation + + + + + + + + + + + + + + + + + + + + + +
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+

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+

Wallet Instance Attestation

+

Inside a Wallet Solution and, especially with regards +to the Wallet Instance, it is essential to ensure the authenticity, +integrity, security, privacy and trust in the use of the latter both +by the User and the services connected to it, such as the +PID Provider or one Relying Party.

+
+

General Properties

+

The goal is:

+
    +
  • Ensure that the Wallet Instance maintains a level of integrity, +capable of preventing any attempts of manipulation or forgery +by unauthorized third parties.

  • +
  • The Wallet Provider issues a certificate of conformity, +assuring that the above mentioned security and trust +goals are fulfilled.

  • +
+

In compliance of the above mentioned requirements, it is necessary for each +Wallet Instance to issue a certificate of conformity, +guaranteeing its security and compliance with the Trust Model.

+

This attestation is called Wallet Instance Attestation +and must be electronically signed by its issuer.

+
+

Hint

+

Considering that the Wallet Instance does not represent an accredited +entity and does not belong to an organization, +but resides on the User's device, the Trust Model, +based on sustainability and scalability criteria, +must delegate to the Wallet Provider the task of +issuing the Wallet Instance Attestation.

+
+
+
+

Requirements

+

We assume the following requirements for the Wallet Instance Attestation:

+
    +
  1. Efficiency: The Wallet Instance Attestation should use an efficient +format such as JSON Web Token (JWT) to ensure light and fast data management +and be compliant with the various formats used for eudiw solutions.

  2. +
  3. Simplicity: The Wallet Provider should be based on a REST architecture +for issuing Wallet Instance Attestations.

  4. +
  5. Public key holder binding: The Wallet Instance Attestation must be +securely linked to the Wallet Instance public key.

  6. +
  7. Issued and signed by an accredited Wallet Provider: +The Wallet Instance Attestation must be issued and signed by an accredited +and reliable Wallet Provider, thus conferring integrity and authenticity +to the attestation itself.

  8. +
  9. Authenticity/Genuineness of the Wallet Instance: +The Wallet Instance Attestation must guarantee the integrity +and authenticity of the Wallet Instance, confirming that it was +created and provided correctly by the Wallet Provider. ⚠️

  10. +
  11. Ability to request multiple claims for several public keys: +Each single Wallet Instance should be able to request multiple attestations +for different public keys associated with it. This requirement constitutes +a privacy-preserving measure since the public key may be exploited as a +tracking tool in the credentials’ disclosure phase +(see also point 10 below).

  12. +
  13. Can be used multiple times: +The Wallet Instance Attestation should be used multiple times +during the validity period of the attestation, allowing for repeated +authentication and authorization without the need to request +new attestations with each interaction.

  14. +
  15. Expiration: +The Wallet Instance Attestation should have a well-defined expiration date, +after which it will no longer be considered valid, thus ensuring +the security and updating of the attestations over time.

  16. +
  17. Revocation in case of loss/deletion of the private key: +If the private key associated with the Wallet Instance is lost or deleted, +the attestation automatically becomes invalid to prevent unauthorized +use of the Wallet Instance. ⚠️

  18. +
  19. Pseudonymisation: +The attestations are designed to be pseudonymised +(i.e. they do not contain direct references to the person, so that it +is not possible to identify them in the absence of additional information +- see art. 4(5) GDPR for a comprehensive definition). +In the absence of such a measure, the use of the attestation on multiple +RPs would constitute an appreciable risk, as it would theoretically +allow the RPs to merge databases and track Users. +This requirement enriches the measures adopted in accordance +with art. 32 GDPR.

  20. +
+
+

Attention

+

⚠️ Implementation of points no. 5 and 9 is still under discussion. +This version assumes the authenticity and non-revocability of the Wallet Instance.

+
+
+
+

High-end design

+
+

Static view of the components

+
+the image shows how the Wallet Provider and the Wallet Instances are contained within the Wallet Solution which is managed by the Wallet Provider +
+
+
+

Dynamic view of the components

+

In this section is described the format of the Wallet Instance Attestation and +how it is issued by the Wallet Provider.

+
+The figure shows the sequence diagram for issuing a Wallet Instance Attestation. The steps will be described below. +
+
    +
  • Message 1: The User initializes the Wallet Instance. +In particular, this process happens after the Wallet Instance installation and after the expiration of the Wallet Instance Attestation +is launched and every time the User wants to request or present +(disclose) a credential.

  • +
  • Message 2-3: The Wallet Instance obtains metadata about its Wallet +Provider. Among these, we also find the list of supported algorithms, +public keys, endpoints.

  • +
  • Message 4: The Wallet Instance verifies that the Wallet Provider is +trustworthy by resolving the provider's trust chain up to the anchor

  • +
  • Message 5-7: The Wallet Instance instantiates a new key pair on its TEE +and requests a nonce from the Wallet Provider (as a measure +against replay attacks).

  • +
  • Message 8: The Wallet Instance generates a Wallet Instance Attestation +Request, in JWS format, signed with the private key associated with the +public key for which it wants to obtain the attestation containing +the nonce and all the required parameters.

  • +
  • Message 9-13: The Wallet Instance sends the Wallet Instance Attestation +Request to the Wallet Provider which verifies its validity and +issues the signed attestation.

  • +
  • Message 13-14:The Wallet Instance receives the Wallet Instance +Attestation signed by the Wallet Provider and proceeds with a formal +verification.

  • +
  • Message 15:The Wallet Instance Attestation is ready to be consumed.

  • +
+
+
+
+

Detail design

+

We will go into the detail design below.

+
+

Format of the Wallet Provider Entity Configuration

+

The Wallet Provider Entity Configuration is a JWS containing +the public keys and the supported algorithms +within the Wallet Provider metadata definition. +It is defined according to OpenID Connect Federation +and Section Trust Model of this specification.

+ +
+

Payload

+ + + + + + + + + + + + + + + + + + + + + + + + +

key

value

iss

The public url of the Wallet +Provider.

sub

The public url of the Wallet +Provider.

iat

Configuration release timestamp.

exp

Configuration expiration +timestamp.

jwks

Containing the keys attribute +which is an array of all the +public keys associated with the +domain (they could also match +those of the Wallet Provider).

metadata

This attribute will contain for +each entity its own +metadata. In this case we +will have the Wallet +Provider metadata contained within +the eudi_wallet_provider +attribute and the more generic +entity federation_entity.

+
+
Payload eudi_wallet_provider
+ + + + + + + + + + + + + + + + + + + + + + + + +

key

value

+
jwks
+

+

+
+
+
Containing the keys attribute
+
which is an array of all the
+
Wallet Provider's public keys.
+
+
+
token_endpoint
+

+
+
+
Endpoint for obtaining the Wallet
+
Instance Attestation.
+
+
+
asc_values_supported
+

+

+

+

+

+

+

+

+

+

+

+

+

+
+
+
List of supported values for
+
the certified security context.
+
These values define a level of
+
assurance about the security of
+
the app. In particular we will
+
mainly have 3 values associated
+
with low, medium and high
+
security. An attested security
+
context is defined according to
+
the proof that the Wallet
+
Instance is able to send to the
+
Wallet Provider.
+
⚠️ This parameter is not standard
+
and is still under discussion.
+
+
+
grant_types_supported
+

+

+

+

+

+

+
+
+
The type of grants supported by
+
the endpoint token. Therefore,
+
for the Wallet Provider the token
+
is equivalent only to the Wallet
+
Instance attestation, therefore
+
this attribute will contain an
+
array with only one element.
+
+
+
token_endpoint_auth_methods_suppo
+
rted
+

+
+
+
Supported authentication method
+
for the endpoint token.
+

+
+
+
token_endpoint_auth_signing_alg_v
+
alues_supported
+
+
+
List of supported signature
+
algorithms.
+
+
+
+

Note

+

The parameter asc_values_supported is experimental and still +under discussion.

+
+
+
+
Payload federation_entity
+ + + + + + + + + + + + + + + + + + + + + +

key

value

organization_name

Organization name.

homepage_uri

Organization website.

tos_uri

Url to the terms of use.

policy_uri

Url to the privacy policy.

logo_uri

URL of the organization logo.

+

Below a non-normative example of the Entity Configuration.

+
{
+  "alg": "ES256",
+  "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY",
+  "typ": "entity-statement+jwt"
+}
+.
+{
+"iss": "https://wallet-provider.example.org",
+"sub": "https://wallet-provider.example.org",
+"jwks": {
+  "keys": [
+    {
+      "crv": "P-256",
+      "kty": "EC",
+      "x": "qrJrj3Af_B57sbOIRrcBM7br7wOc8ynj7lHFPTeffUk",
+      "y": "1H0cWDyGgvU8w-kPKU_xycOCUNT2o0bwslIQtnPU6iM",
+      "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY"
+    }
+  ]
+},
+"metadata": {
+  "eudi_wallet_provider": {
+    "jwks": {
+      "keys": [
+        {
+          "crv": "P-256",
+          "kty": "EC",
+          "x": "qrJrj3Af_B57sbOIRrcBM7br7wOc8ynj7lHFPTeffUk",
+          "y": "1H0cWDyGgvU8w-kPKU_xycOCUNT2o0bwslIQtnPU6iM",
+          "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY"
+        }
+      ]
+    },
+    "token_endpoint": "https://wallet-provider.example.org/token",
+    "asc_values_supported": [
+      "https://wallet-provider.example.org/LoA/basic",
+      "https://wallet-provider.example.org/LoA/medium",
+      "https://wallet-provider.example.org/LoA/high"
+    ],
+    "grant_types_supported": [
+      "urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation"
+    ],
+    "token_endpoint_auth_methods_supported": [
+      "private_key_jwt"
+    ],
+    "token_endpoint_auth_signing_alg_values_supported": [
+      "ES256",
+      "ES384",
+      "ES512"
+    ]
+  },
+  "federation_entity": {
+    "organization_name": "PagoPa S.p.A.",
+    "homepage_uri": "https://wallet-provider.example.org",
+    "policy_uri": "https://wallet-provider.example.org/privacy_policy",
+    "tos_uri": "https://wallet-provider.example.org/info_policy",
+    "logo_uri": "https://wallet-provider.example.org/logo.svg"
+  }
+},
+"iat": 1687171759,
+"exp": 1709290159
+}
+
+
+
+
+
+
+

Format of the Wallet Instance Attestation Request

+

To obtain a Wallet Instance Attestation from the Wallet +Provider it is necessary to send a Wallet Instance Attestation +Request from the Wallet Instance containing the associated public key +and a nonce previously requested to avoid replay attacks.

+
+

Header

+ + + + + + + + + + + + + + + +

key

value

alg

Algorithm to verify the token +signature (es. ES256)

kid

Key id of the Wallet Instance

typ

Media type, in this case we use +the value var+jwt (Verifiable +Assertion Request JWT)

+
+
+

Payload

+ + + + + + + + + + + + + + + + + + + + + +

key

value

+
iss
+

+

+

+
+
+
The thumbprint
+
of the JWK of the Wallet Instance
+
for which the attestation is
+
being requested.
+
+
+
sub
+

+
+
+
The public url of the Wallet
+
Provider
+
+
+
jti
+

+

+
+
+
Unique identifier of the request.
+
This parameter will be used to
+
avoid replay attacks.
+
+
+
type
+

+
+
+
String. It must be set to
+
WalletInstanceAttestationRequest
+
+
+
cnf
+

+

+

+

+

+

+

+

+

+
+
+
This parameter will contain the
+
configuration of the Wallet
+
Instance in JSON format. Among
+
the mandatory attributes there
+
will be the jwk parameter
+
containing the public key of the
+
Wallet Instance. It will also
+
contain all the information
+
useful for the Wallet Provider
+
to verify that the app is genuine.
+
+
+

Below a non-normative example of the Wallet Instance Attestation +request where the decoded JWS headers and payload are separated by a comma:

+
{
+  "alg": "ES256",
+  "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c",
+  "typ": "var+jwt"
+}
+.
+{
+  "iss": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c",
+  "sub": "https://wallet-provider.example.org",
+  "jti": "6ec69324-60a8-4e5b-a697-a766d85790ea",
+  "type": "WalletInstanceAttestationRequest",
+  "cnf": {
+    "jwk": {
+      "crv": "P-256",
+      "kty": "EC",
+      "x": "4HNptI-xr2pjyRJKGMnz4WmdnQD_uJSq4R95Nj98b44",
+      "y": "LIZnSB39vFJhYgS3k7jXE4r3-CoGFQwZtPBIRqpNlrg",
+      "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c"
+    }
+  },
+  "iat": 1686645115,
+  "exp": 1686652315
+}
+
+
+

Whose corresponding JWS is verifiable through the public key +of the Wallet Instance present.

+
+
+
+

Format of the Wallet Instance Attestation

+

A JWT was chosen as the format for the Wallet Instance Attestation. +Let's see below the various fields that compose it.

+
+

Header

+ + + + + + + + + + + + + + + + + + + + + +

key

value

alg

Algorithm to verify the token +signature (es. ES256).

kid

Key id used by the Wallet +Provider to sign the attestation.

typ

Media type, in this case we use +the value va+jwt (Verifiable +Assertion JWT). +This parameter is currently +non-standard as it is not yet +registered as IANA Media +Types.

x5c

Array containing the X.509 +certificate (and the entire chain +of certificates) used to certify +the public key of the issuer.

trust_chain

Array containing the JWS of the +trust chain relating to its +issuer (Wallet Provider).

+
+
+

Payload

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

key

value

+
iss
+

+

+
+
+
The public url of the Wallet
+
Instance attestation issuer. See
+
the example below in this section.
+
+
+
sub
+

+

+

+

+
+
+
The public url of the issuer
+
concatenated with the thumbprint
+
of the JWK of the Wallet Instance
+
for which the attestation is
+
being issued.
+
+
+
iat
+

+
+
+
Unix timestamp of attestation
+
issuance time.
+
+
+
exp
+

+

+

+

+
+
+
Unix timestamp regarding the
+
expiration date time.
+
A good practice to avoid security
+
problems is to have a limited
+
duration of the attestation.
+
+
+
type
+

+
+
+
String:
+
"WalletInstanceAttestation".
+
+
+
policy_uri
+

+
+
+
Url to the privacy policy
+
of the wallet.
+
+
+
tos_uri
+

+
+
+
Url to the terms
+
of use of the Wallet Provider.
+
+
+
logo_uri
+
+
+
Logo url of the Wallet Provider.
+
+
+
asc
+

+

+

+

+
+
+
Attested security context:
+
Represents a level of "trust" of
+
the service containing a Level Of
+
Agreement defined in the metadata
+
of the Wallet Provider.
+
+
+
cnf
+

+

+

+
+
+
This parameter contains the jwk
+
parameter
+
with the public key of the Wallet
+
necessary for the holder binding.
+
+
+
authorization_endpoint
+

+
+
+
URL of the OP's OAuth 2.0
+
Authorization Endpoint.
+
+
+
response_types_supported
+

+

+
+
+
JSON array containing a list of
+
the OAuth 2.0 response_type values
+
that this OP supports.
+
+
+
vp_formats_supported
+

+

+
+
+
JSON object containing
+
jwt_vp_json and jwt_vc_json
+
supported algorithms array.
+
+
+
request_object_signing
+
_alg_values_supported
+

+
+
+
JSON array containing a list of the
+
JWS signing algorithms (alg values)
+
supported by the OP for Request Objects.
+
+
+
presentation_definition
+
_uri_supported
+

+

+
+
+
Boolean value specifying whether the
+
Wallet Instance supports the transfer of
+
presentation_definition by
+
reference, with true indicating support.
+
+
+
+

Note

+

The claim asc (Attested Security Context) is under discussion +and must be intended as experimental.

+
+
+
+

Signature

+

The Wallet Instance Attestation JWS is signed using the +private key of the Wallet Provider.

+

Below is an example of Wallet Instance Attestation:

+
{
+  "alg": "ES256",
+  "kid": "5t5YYpBhN-EgIEEI5iUzr6r0MR02LnVQ0OmekmNKcjY",
+  "trust_chain": [
+    "eyJhbGciOiJFUz...6S0A",
+    "eyJhbGciOiJFUz...jJLA",
+    "eyJhbGciOiJFUz...H9gw",
+  ],
+  "typ": "va+jwt",
+  "x5c": ["MIIBjDCC ... XFehgKQA=="]
+}
+.
+{
+  "iss": "https://wallet-provider.example.org",
+  "sub": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c",
+  "type": "WalletInstanceAttestation",
+  "policy_uri": "https://wallet-provider.example.org/privacy_policy",
+  "tos_uri": "https://wallet-provider.example.org/info_policy",
+  "logo_uri": "https://wallet-provider.example.org/logo.svg",
+  "asc": "https://wallet-provider.example.org/LoA/basic",
+  "cnf":
+  {
+    "jwk":
+    {
+      "crv": "P-256",
+      "kty": "EC",
+      "x": "4HNptI-xr2pjyRJKGMnz4WmdnQD_uJSq4R95Nj98b44",
+      "y": "LIZnSB39vFJhYgS3k7jXE4r3-CoGFQwZtPBIRqpNlrg",
+      "kid": "vbeXJksM45xphtANnCiG6mCyuU4jfGNzopGuKvogg9c"
+    }
+  },
+  "authorization_endpoint": "eudiw:",
+  "response_types_supported": [
+    "vp_token"
+  ],
+  "vp_formats_supported": {
+    "jwt_vp_json": {
+      "alg_values_supported": ["ES256"]
+    },
+    "jwt_vc_json": {
+      "alg_values_supported": ["ES256"]
+    }
+  },
+  "request_object_signing_alg_values_supported": [
+    "ES256"
+  ],
+  "presentation_definition_uri_supported": false,
+  "iat": 1687281195,
+  "exp": 1687288395
+}
+
+
+
+
+
+

Endpoints

+

The Wallet Provider that issues the Wallet Instance Attestations must +make available a series of APIs in REST format that follow the OpenID +Federation standard.

+
+

Metadata

+

A GET /.well-known/openid-federation endpoint for retrieving the Wallet +Provider Entity Configuration.

+
+
+

Wallet Instance Attestation

+

A second POST /token endpoint that takes two parameters as input:

+

grant_type which in our case is a string: +urn:ietf:params:oauth:client-assertion-type:jwt-key-attestation

+

assertion` which contains the signed JWT of the Wallet Instance Attestation +Request.

+

The response will then contain the Wallet Instance Attestation.

+
+
+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/en/wallet-solution.html b/mdoccbor/en/wallet-solution.html new file mode 100644 index 000000000..526774ecc --- /dev/null +++ b/mdoccbor/en/wallet-solution.html @@ -0,0 +1,1310 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Wallet Solution + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
+ + +
+
+
+
+
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+
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

Wallet Solution

+

The Wallet Solution is a comprehensive product offered by the Wallet Provider to cater to the needs of Users in managing their digital assets securely. Designed to provide a seamless User experience, this solution enables Users to leverage the capabilities of the Wallet effectively.

+
+
+

Requirements

+
+
    +
  • Trustworthiness within the Wallet ecosystem: the Wallet Instance must establish trust and reliability within the Wallet ecosystem.

  • +
  • Compliance with Provider specifications for obtaining PID and (Q)EAA: the Wallet Instance must adhere to the specifications set by Providers for obtaining Personal Identification (PID) and Qualified or non-qualified Electronic Address Authentication (Q)EAA.

  • +
  • Support for Android and iOS operating systems: the Wallet Instance must be compatible and functional at least on both Android and iOS operating systems, as well as available on the Play Store and App Store respectively.

  • +
  • Verification of device ownership by the User: the Wallet Instance must provide a mechanism to verify the User's actual possession of the device and its control.

  • +
+
+
+
+

Wallet Solution

+

The Wallet Solution is issued by the Wallet Provider in the form of a mobile app, it also consists of services and web interfaces for the exchange of data between the Wallet Provider and its Wallet Instances for the requirements of the trust model and in total respect of the user's privacy, in accordance with national and EU legislation.

+

The mobile app serves as the primary interface for Users, allowing them to access and interact with their digital assets conveniently. These digital assets, known as Attestations, include Personal Identification Data (PID¹), a set of data that can uniquely identify a natural or a legal person, along with other Qualified and non-qualified Electronic Attestations of Attributes, also known as QEAAs and EAAs respectively, or (Q)EAAs for short¹. Once a User installs the mobile app on their device, we refer to such an installation as a Wallet Instance for the User.

+

Supporting the mobile app, the Wallet Provider plays a vital role in ensuring the security and reliability of the Wallet Solution. The Wallet Provider is responsible for issuing the Wallet Instance Attestation — a cryptographic proof that verifies the authenticity and integrity of the Wallet Instance.

+
+
+

Wallet Instance

+

The Wallet Instance serves as a unique and secure representation of the User within the Wallet ecosystem. It establishes a strong and reliable identity for the User, enabling them to engage in various digital transactions in a secure and privacy-preserving manner.

+

The Wallet Instance establishes the trust within the Wallet ecosystem by consistently presenting a Wallet Instance Attestation during interactions with other ecosystem actors such as PID Providers, (Q)EAA Providers, and Relying Parties. These attestations, provided by the underlying Wallet Provider operated by the Wallet Provider, reference a pair of asymmetric cryptographic keys exclusively owned by the Wallet Instance. Their purpose is to authenticate the Wallet Instance itself, ensuring its legitimacy when engaging with other ecosystem actors.

+

To guarantee the utmost security, these cryptographic keys are securely stored within the device's Trusted Execution Environment (TEE)³. This ensures that only the User can access them, thus preventing unauthorized usage or tampering. For more detailed information, please refer to the Wallet Instance Attestation section and the Trust Model section of this document.

+
+
+

Wallet Instance Lifecycle

+

The Wallet Instance can exist in three distinct states: Operational, Valid, and Deactivated. Each state represents a specific functional status and determines the actions that can be performed².

+
+

Initialization Process

+

To activate the Wallet Instance, Users must install the mobile application on their device and open it. Furthermore, Users will be asked to set their preferred method of unlocking their device; this can be accomplished by entering a personal identification number (PIN) or by utilizing biometric authentication, such as fingerprint or facial recognition, according to their personal preferences and device's capabilities.

+

After completing these steps, the Wallet Instance is in the Operational state.

+
+
+

Transition to Valid state

+

To transition from the Operational state to the Valid state, the Wallet Instance must obtain a valid Personal Identification (PID). Once a valid PID is acquired, the Wallet Instance becomes active, enabling secure transaction execution.

+

In order to securely and unambiguously identify Users, the Wallet Instance adopts a Level of Assurance (LoA) 3 authentication, which guarantees a high level of confidence in the User's identity. The authentication method is chosen by the PID provider from among the notified eID solutions at the national level.

+

Once the Wallet Instance is in the Operational state, Users can:

+
+
    +
  • Obtain, view, and manage (Q)EAAs from trusted (Q)EAA Providers¹

  • +
  • Authenticate to Relying Parties¹

  • +
  • Authorize the sharing of their data with Relying Parties

  • +
+
+

Please refer to the relative sections for further information about PID and (Q)EAAs issuance and attestation presentation.

+
+
+

Return to Operational state

+

A Valid Wallet Instance may revert to the Operational state under specific circumstances. These circumstances include the expiration or revocation of the associated PID by the relevant PID Provider.

+
+
+

Deactivation

+

Users have the ability to deactivate the Wallet Instance voluntarily. This action removes the operational capabilities of the Wallet Instance and sets it to the deactivated state. Deactivation provides Users with control over access and usage according to their preferences.

+
+
+
+

External references

+

¹ Definitions are inherited from the EUDI Wallet Architecture and Reference Framework, version 1.1.0 at the time of writing. Please refer to this page for extended definitions and details.

+

² Wallet Instance states adhere to the EUDI Wallet Architecture and Reference Framework, as defined here.

+

³ Depending on the device operating system, TEE is defined by Trusty or Secure Enclave for Android and iOS devices, respectively.

+
+ + + + + +
+ +
+
+
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req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/contribute.rst.txt b/mdoccbor/it/_sources/contribute.rst.txt new file mode 100644 index 000000000..9d984dea8 --- /dev/null +++ b/mdoccbor/it/_sources/contribute.rst.txt @@ -0,0 +1,8 @@ +.. include:: ../common/common_definitions.rst + +.. _contribute.rst: + +contribute.rst ++++++++++++++++++++++++++++ + +Instruction to join in the development here. diff --git a/mdoccbor/it/_sources/defined-terms.rst.txt b/mdoccbor/it/_sources/defined-terms.rst.txt new file mode 100644 index 000000000..e0b9acdc3 --- /dev/null +++ b/mdoccbor/it/_sources/defined-terms.rst.txt @@ -0,0 +1,89 @@ +.. include:: ../common/common_definitions.rst + +.. _defined-terms.rst: + +defined-terms.rst ++++++++++++++++++++++++++++ + +Di seguito le descrizioni di acronimi e definizioni, correlati al presente documento utili ad approfondimenti su tematiche che completano l' it-wallet e i componenti con i quali interagisce. + + +Acronimi +-------- +.. list-table:: + :widths: 20 80 + :header-rows: 1 + + * - **Acronimo** + - **Descrizione** + * - **OID4VP** + - OpenID for Verifiable Presentation + * - **PID** + - Person Identification Data + * - **VC** + - Verifiable Credential + * - **VP** + - Verifiable Presentation + * - **API** + - Application Programming Interface. Insieme componenti previsti per semplificare gli scenari di integrazione di uno specifico Sistema. + + +Definizioni +----------- + +.. list-table:: + :widths: 20 80 + :header-rows: 1 + + * - **Definizione** + - **Descrizione** + * - **Wallet Instance** + - Mobile App che gestisce, memorizza e protegge le Verifiable Credentials di un holder e ne consente la presentazione ad una Relying Party + * - **Relying Party** + - Entità che riceve da una Wallet Instance una o più VP e processa le stesse + + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/index.rst.txt b/mdoccbor/it/_sources/index.rst.txt new file mode 100644 index 000000000..feaabacb3 --- /dev/null +++ b/mdoccbor/it/_sources/index.rst.txt @@ -0,0 +1,55 @@ +.. include:: ../common/common_definitions.rst + +============================================= +Italian eIDAS Wallet Technical Specifications +============================================= + +[TODO INTRO] + +Introduzione + +cos'è eIDAS + +cos’è IT-Wallet + +scopo delle regole tecniche + + +In this documentation you can find the technical specification +for implementing the following components: + + - Entities of the ecosystem according to `EIDAS-ARF`_. + - Infrastructure of trust attesting realiability and eligibility of the participants. + - PID and EAAs data schemes and attribute sets. + - PID/EAA in MDL CBOR format. + - PID/EAA in `SD-JWT`_ format. + - Wallet Solution general architecture. + - Wallet Instance Attestation data model in `JWS`_ format. + - Issuance of PID/EAA according to `OpenID4VCI`_. + - Presentation of PID/EAA according to `OpenID4VP`_. + - Presentation of pseudonyms according to `SIOPv2`_. + - PID/EAA backup and restore mechanisms. + - PID/EAA revocation lists. + + +Index of content +---------------- + +.. toctree:: + :maxdepth: 2 + + ssi-introduction.rst + defined-terms.rst + trust.rst + pid-eaa-data.rst + pid-eaa-mdoc-cbor.rst + pid-eaa-sd-jwt.rst + wallet-solution.rst + wallet-instance-attestation.rst + issuance.rst + relying-party-solution.rst + pseudonyms.rst + backup-restore.rst + revocation-lists.rst + contribute.rst + standards.rst diff --git a/mdoccbor/it/_sources/issuance.rst.txt b/mdoccbor/it/_sources/issuance.rst.txt new file mode 100644 index 000000000..1effd9399 --- /dev/null +++ b/mdoccbor/it/_sources/issuance.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _issuance.rst: + +issuance.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/pid-eaa-data.rst.txt b/mdoccbor/it/_sources/pid-eaa-data.rst.txt new file mode 100644 index 000000000..8ab0305c9 --- /dev/null +++ b/mdoccbor/it/_sources/pid-eaa-data.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _pid-eaa-data.rst: + +pid-eaa-data.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/pid-eaa-mdoc-cbor.rst.txt b/mdoccbor/it/_sources/pid-eaa-mdoc-cbor.rst.txt new file mode 100644 index 000000000..d96df2fff --- /dev/null +++ b/mdoccbor/it/_sources/pid-eaa-mdoc-cbor.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _pid-eaa-mdoc-cbor.rst: + +pid-eaa-mdoc-cbor.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/pid-eaa-sd-jwt.rst.txt b/mdoccbor/it/_sources/pid-eaa-sd-jwt.rst.txt new file mode 100644 index 000000000..b4daf4770 --- /dev/null +++ b/mdoccbor/it/_sources/pid-eaa-sd-jwt.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _pid-eaa-sd-jwt.rst: + +pid-eaa-sd-jwt.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/pseudonyms.rst.txt b/mdoccbor/it/_sources/pseudonyms.rst.txt new file mode 100644 index 000000000..7b20567f9 --- /dev/null +++ b/mdoccbor/it/_sources/pseudonyms.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _pseudonyms.rst: + +pseudonyms.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/revocation-lists.rst.txt b/mdoccbor/it/_sources/revocation-lists.rst.txt new file mode 100644 index 000000000..49cc7b174 --- /dev/null +++ b/mdoccbor/it/_sources/revocation-lists.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _revocation-lists.rst: + +revocation-lists.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/ssi-introduction.rst.txt b/mdoccbor/it/_sources/ssi-introduction.rst.txt new file mode 100644 index 000000000..bf8e0a9e6 --- /dev/null +++ b/mdoccbor/it/_sources/ssi-introduction.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _ssi-introduction.rst: + +ssi-introduction.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/standards.rst.txt b/mdoccbor/it/_sources/standards.rst.txt new file mode 100644 index 000000000..924e882fc --- /dev/null +++ b/mdoccbor/it/_sources/standards.rst.txt @@ -0,0 +1,8 @@ +.. include:: ../common/common_definitions.rst + +.. _standards.rst: + +Standards ++++++++++ + +TODO diff --git a/mdoccbor/it/_sources/trust.rst.txt b/mdoccbor/it/_sources/trust.rst.txt new file mode 100644 index 000000000..aa613216a --- /dev/null +++ b/mdoccbor/it/_sources/trust.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _trust.rst: + +trust.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/wallet-instance-attestation.rst.txt b/mdoccbor/it/_sources/wallet-instance-attestation.rst.txt new file mode 100644 index 000000000..35d4b69c0 --- /dev/null +++ b/mdoccbor/it/_sources/wallet-instance-attestation.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _wallet-instance-attestation.rst: + +wallet-instance-attestation.rst ++++++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_sources/wallet-solution.rst.txt b/mdoccbor/it/_sources/wallet-solution.rst.txt new file mode 100644 index 000000000..bb3964a70 --- /dev/null +++ b/mdoccbor/it/_sources/wallet-solution.rst.txt @@ -0,0 +1,57 @@ +.. include:: ../common/common_definitions.rst + +.. _wallet-solution.rst: + +wallet-solution.rst ++++++++++++++++++++++++++++ + +[What is it] + +[What it is usefull for] + +[Example] + +General Properties +------------------ + +[TODO] + + +Requirements +------------ + + - req 1 + - req 2 + + +Attributes +---------- + +[Table with parameters/attributes] + +.. list-table:: + :widths: 20 60 + :header-rows: 1 + + * - **Claim** + - **Description** + * - key + - value + + +Implementation considerations +----------------------------- + +TODO + + +Libraries and code snippets +--------------------------- + +TODO + + +External references +------------------- + +TODO diff --git a/mdoccbor/it/_static/_sphinx_javascript_frameworks_compat.js b/mdoccbor/it/_static/_sphinx_javascript_frameworks_compat.js new file mode 100644 index 000000000..8549469dc --- /dev/null +++ b/mdoccbor/it/_static/_sphinx_javascript_frameworks_compat.js @@ -0,0 +1,134 @@ +/* + * _sphinx_javascript_frameworks_compat.js + * ~~~~~~~~~~ + * + * Compatability shim for jQuery and underscores.js. + * + * WILL BE REMOVED IN Sphinx 6.0 + * xref RemovedInSphinx60Warning + * + */ + +/** + * select a different prefix for underscore + */ +$u = _.noConflict(); + + +/** + * small helper function to urldecode strings + * + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL + */ +jQuery.urldecode = function(x) { + if (!x) { + return x + } + return decodeURIComponent(x.replace(/\+/g, ' ')); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. Multiple values per key are supported, + * it will always return arrays of strings for the value parts. + */ +jQuery.getQueryParameters = function(s) { + if (typeof s === 'undefined') + s = document.location.search; + var parts = s.substr(s.indexOf('?') + 1).split('&'); + var result = {}; + for (var i = 0; i < parts.length; i++) { + var tmp = parts[i].split('=', 2); + var key = jQuery.urldecode(tmp[0]); + var value = jQuery.urldecode(tmp[1]); + if (key in result) + result[key].push(value); + else + result[key] = [value]; + } + return result; +}; + +/** + * highlight a given string on a jquery object by wrapping it in + * span elements with the given class name. + */ +jQuery.fn.highlightText = function(text, className) { + function highlight(node, addItems) { + if (node.nodeType === 3) { + var val = node.nodeValue; + var pos = val.toLowerCase().indexOf(text); + if (pos >= 0 && + !jQuery(node.parentNode).hasClass(className) && + !jQuery(node.parentNode).hasClass("nohighlight")) { + var 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jQuery.each(node.childNodes, function() { + highlight(this, addItems); + }); + } + } + var addItems = []; + var result = this.each(function() { + highlight(this, addItems); + }); + for (var i = 0; i < addItems.length; ++i) { + jQuery(addItems[i].parent).before(addItems[i].target); + } + return result; +}; + +/* + * backward compatibility for jQuery.browser + * This will be supported until firefox bug is fixed. + */ +if (!jQuery.browser) { + jQuery.uaMatch = function(ua) { + ua = ua.toLowerCase(); + + var match = /(chrome)[ \/]([\w.]+)/.exec(ua) || + /(webkit)[ \/]([\w.]+)/.exec(ua) || + /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || + /(msie) ([\w.]+)/.exec(ua) || + ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || + []; + + return { + browser: match[ 1 ] || "", + version: match[ 2 ] || "0" + }; + }; + jQuery.browser = {}; + jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true; +} diff --git a/mdoccbor/it/_static/basic.css b/mdoccbor/it/_static/basic.css new file mode 100644 index 000000000..9039e027c --- /dev/null +++ b/mdoccbor/it/_static/basic.css @@ -0,0 +1,932 @@ +/* + * basic.css + * ~~~~~~~~~ + * + * Sphinx stylesheet -- basic theme. + * + * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ + +/* -- main layout ----------------------------------------------------------- */ + +div.clearer { + clear: both; +} + +div.section::after { + display: block; + content: ''; + clear: left; +} + +/* -- relbar ---------------------------------------------------------------- */ + +div.related { + width: 100%; + font-size: 90%; +} + +div.related h3 { + display: none; +} + +div.related ul { + margin: 0; + padding: 0 0 0 10px; + list-style: none; +} + +div.related li { + display: inline; +} + +div.related li.right { + float: right; + margin-right: 5px; +} + +/* -- sidebar --------------------------------------------------------------- */ + +div.sphinxsidebarwrapper { + padding: 10px 5px 0 10px; +} + +div.sphinxsidebar { + float: left; + width: 230px; + margin-left: -100%; + font-size: 90%; + word-wrap: break-word; + overflow-wrap : break-word; +} + +div.sphinxsidebar ul { + list-style: none; +} + +div.sphinxsidebar ul ul, +div.sphinxsidebar ul.want-points { + margin-left: 20px; + list-style: square; +} + +div.sphinxsidebar ul ul { + margin-top: 0; + margin-bottom: 0; +} + +div.sphinxsidebar form { + margin-top: 10px; +} + +div.sphinxsidebar input { + border: 1px solid #98dbcc; + font-family: sans-serif; + font-size: 1em; +} + +div.sphinxsidebar #searchbox form.search { + overflow: hidden; +} + +div.sphinxsidebar #searchbox input[type="text"] { + float: left; + width: 80%; + padding: 0.25em; + box-sizing: border-box; +} + +div.sphinxsidebar #searchbox input[type="submit"] { + float: left; + width: 20%; + border-left: none; + padding: 0.25em; + box-sizing: border-box; +} + + +img { + border: 0; + max-width: 100%; +} + +/* -- search page ----------------------------------------------------------- */ + +ul.search { + margin: 10px 0 0 20px; + padding: 0; +} + +ul.search li { + padding: 5px 0 5px 20px; + background-image: url(file.png); + background-repeat: no-repeat; + background-position: 0 7px; +} + +ul.search li a { + font-weight: bold; +} + +ul.search li p.context { + color: #888; + margin: 2px 0 0 30px; + text-align: left; +} + +ul.keywordmatches li.goodmatch a { + font-weight: bold; +} + +/* -- index page ------------------------------------------------------------ */ + +table.contentstable { + width: 90%; + margin-left: auto; + margin-right: auto; +} + +table.contentstable p.biglink { + line-height: 150%; +} + +a.biglink { + font-size: 1.3em; +} + +span.linkdescr { + font-style: italic; + padding-top: 5px; + font-size: 90%; +} + +/* -- general index --------------------------------------------------------- */ + +table.indextable { + width: 100%; +} + +table.indextable td { + text-align: left; + vertical-align: top; +} + +table.indextable ul { + margin-top: 0; + margin-bottom: 0; + list-style-type: none; +} + +table.indextable > tbody > tr > td > ul { + padding-left: 0em; +} + +table.indextable tr.pcap { + height: 10px; +} + +table.indextable tr.cap { + margin-top: 10px; + background-color: #f2f2f2; +} + +img.toggler { + margin-right: 3px; + margin-top: 3px; + cursor: pointer; +} + +div.modindex-jumpbox { + border-top: 1px solid #ddd; + border-bottom: 1px solid #ddd; + margin: 1em 0 1em 0; + padding: 0.4em; +} + +div.genindex-jumpbox { + border-top: 1px solid #ddd; + border-bottom: 1px solid #ddd; + margin: 1em 0 1em 0; + padding: 0.4em; +} + +/* -- domain module index --------------------------------------------------- */ + +table.modindextable td { + padding: 2px; + border-collapse: collapse; +} + +/* -- general body styles --------------------------------------------------- */ + +div.body { + min-width: 360px; + max-width: 800px; +} + +div.body p, div.body dd, div.body li, div.body blockquote { + -moz-hyphens: auto; + -ms-hyphens: auto; + -webkit-hyphens: auto; + hyphens: auto; +} + +a.headerlink { + visibility: hidden; +} + +a.brackets:before, +span.brackets > a:before{ + content: "["; +} + +a.brackets:after, +span.brackets > a:after { + content: "]"; +} + +h1:hover > a.headerlink, +h2:hover > a.headerlink, +h3:hover > a.headerlink, +h4:hover > a.headerlink, +h5:hover > a.headerlink, +h6:hover > a.headerlink, +dt:hover > a.headerlink, +caption:hover > a.headerlink, +p.caption:hover > a.headerlink, +div.code-block-caption:hover > a.headerlink { + visibility: visible; +} + +div.body p.caption { + text-align: inherit; +} + +div.body td { + text-align: left; +} + +.first { + margin-top: 0 !important; +} + +p.rubric { + margin-top: 30px; + font-weight: bold; +} + +img.align-left, figure.align-left, .figure.align-left, object.align-left { + clear: left; + float: left; + margin-right: 1em; +} + +img.align-right, figure.align-right, .figure.align-right, object.align-right { + clear: right; + float: right; + margin-left: 1em; +} + +img.align-center, figure.align-center, .figure.align-center, object.align-center { + display: block; + margin-left: auto; + margin-right: auto; +} + +img.align-default, figure.align-default, .figure.align-default { + display: block; + margin-left: auto; + margin-right: auto; +} + +.align-left { + text-align: left; +} + +.align-center { + text-align: center; +} + +.align-default { + text-align: center; +} + +.align-right { + text-align: right; +} + +/* -- sidebars -------------------------------------------------------------- */ + +div.sidebar, +aside.sidebar { + margin: 0 0 0.5em 1em; + border: 1px solid #ddb; + padding: 7px; + background-color: #ffe; + width: 40%; + float: right; + clear: right; + overflow-x: auto; +} + +p.sidebar-title { + font-weight: bold; +} + +div.admonition, div.topic, aside.topic, blockquote { + clear: left; +} + +/* -- topics ---------------------------------------------------------------- */ + +div.topic, aside.topic { + border: 1px solid #ccc; + padding: 7px; + margin: 10px 0 10px 0; +} + +p.topic-title { + font-size: 1.1em; + font-weight: bold; + margin-top: 10px; +} + +/* -- admonitions ----------------------------------------------------------- */ + +div.admonition { + margin-top: 10px; + margin-bottom: 10px; + padding: 7px; +} + +div.admonition dt { + font-weight: bold; +} + +p.admonition-title { + margin: 0px 10px 5px 0px; + font-weight: bold; +} + +div.body p.centered { + text-align: center; + margin-top: 25px; +} + +/* -- content of sidebars/topics/admonitions -------------------------------- */ + +div.sidebar > :last-child, +aside.sidebar > :last-child, +div.topic > :last-child, +aside.topic > :last-child, +div.admonition > :last-child { + margin-bottom: 0; +} + +div.sidebar::after, +aside.sidebar::after, +div.topic::after, +aside.topic::after, +div.admonition::after, +blockquote::after { + display: block; + content: ''; + clear: both; +} + +/* -- tables ---------------------------------------------------------------- */ + +table.docutils { + margin-top: 10px; + margin-bottom: 10px; + border: 0; + border-collapse: collapse; +} + +table.align-center { + margin-left: auto; + margin-right: auto; +} + +table.align-default { + margin-left: auto; + margin-right: auto; +} + +table caption span.caption-number { + font-style: italic; +} + +table caption span.caption-text { +} + +table.docutils td, table.docutils th { + padding: 1px 8px 1px 5px; + border-top: 0; + border-left: 0; + border-right: 0; + border-bottom: 1px solid #aaa; +} + +th { + text-align: left; + padding-right: 5px; +} + +table.citation { + border-left: solid 1px gray; + margin-left: 1px; +} + +table.citation td { + border-bottom: none; +} + +th > :first-child, +td > :first-child { + margin-top: 0px; +} + +th > :last-child, +td > :last-child { + margin-bottom: 0px; +} + +/* -- figures --------------------------------------------------------------- */ + +div.figure, figure { + margin: 0.5em; + padding: 0.5em; +} + +div.figure p.caption, figcaption { + padding: 0.3em; +} + +div.figure p.caption span.caption-number, +figcaption span.caption-number { + font-style: italic; +} + +div.figure p.caption span.caption-text, +figcaption span.caption-text { +} + +/* -- field list styles ----------------------------------------------------- */ + +table.field-list td, table.field-list th { + border: 0 !important; +} + +.field-list ul { + margin: 0; + padding-left: 1em; +} + +.field-list p { + margin: 0; +} + +.field-name { + -moz-hyphens: manual; + -ms-hyphens: manual; + -webkit-hyphens: manual; + hyphens: manual; +} + +/* -- hlist styles ---------------------------------------------------------- */ + +table.hlist { + margin: 1em 0; +} + +table.hlist td { + vertical-align: top; +} + +/* -- object description styles --------------------------------------------- */ + +.sig { + font-family: 'Consolas', 'Menlo', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospace; +} + +.sig-name, code.descname { + background-color: transparent; + font-weight: bold; +} + +.sig-name { + font-size: 1.1em; +} + +code.descname { + font-size: 1.2em; +} + +.sig-prename, code.descclassname { + background-color: transparent; +} + +.optional { + font-size: 1.3em; +} + +.sig-paren { + font-size: larger; +} + +.sig-param.n { + font-style: italic; +} + +/* C++ specific styling */ + +.sig-inline.c-texpr, +.sig-inline.cpp-texpr { + font-family: unset; +} + +.sig.c .k, .sig.c .kt, +.sig.cpp .k, .sig.cpp .kt { + color: #0033B3; +} + +.sig.c .m, +.sig.cpp .m { + color: #1750EB; +} + +.sig.c .s, .sig.c .sc, +.sig.cpp .s, .sig.cpp .sc { + color: #067D17; +} + + +/* -- other body styles ----------------------------------------------------- */ + +ol.arabic { + list-style: decimal; +} + +ol.loweralpha { + list-style: lower-alpha; +} + +ol.upperalpha { + list-style: upper-alpha; +} + +ol.lowerroman { + list-style: lower-roman; +} + +ol.upperroman { + list-style: upper-roman; +} + +:not(li) > ol > li:first-child > :first-child, +:not(li) > ul > li:first-child > :first-child { + margin-top: 0px; +} + +:not(li) > ol > li:last-child > :last-child, +:not(li) > ul > li:last-child > :last-child { + margin-bottom: 0px; +} + +ol.simple ol p, +ol.simple ul p, +ul.simple ol p, +ul.simple ul p { + margin-top: 0; +} + +ol.simple > li:not(:first-child) > p, +ul.simple > li:not(:first-child) > p { + margin-top: 0; +} + +ol.simple p, +ul.simple p { + margin-bottom: 0; +} + +/* Docutils 0.17 and older (footnotes & citations) */ +dl.footnote > dt, +dl.citation > dt { + float: left; + margin-right: 0.5em; +} + +dl.footnote > dd, +dl.citation > dd { + margin-bottom: 0em; +} + +dl.footnote > dd:after, +dl.citation > dd:after { + content: ""; + clear: both; +} + +/* Docutils 0.18+ (footnotes & citations) */ +aside.footnote > span, +div.citation > span { + float: left; +} +aside.footnote > span:last-of-type, +div.citation > span:last-of-type { + padding-right: 0.5em; +} +aside.footnote > p { + margin-left: 2em; +} +div.citation > p { + margin-left: 4em; +} +aside.footnote > p:last-of-type, +div.citation > p:last-of-type { + margin-bottom: 0em; +} +aside.footnote > p:last-of-type:after, +div.citation > p:last-of-type:after { + content: ""; + clear: both; +} + +/* Footnotes & citations ends */ + +dl.field-list { + display: grid; + grid-template-columns: fit-content(30%) auto; +} + +dl.field-list > dt { + font-weight: bold; + word-break: break-word; + padding-left: 0.5em; + padding-right: 5px; +} + +dl.field-list > dt:after { + content: ":"; +} + +dl.field-list > dd { + padding-left: 0.5em; + margin-top: 0em; + margin-left: 0em; + margin-bottom: 0em; +} + +dl { + margin-bottom: 15px; +} + +dd > :first-child { + margin-top: 0px; +} + +dd ul, dd table { + margin-bottom: 10px; +} + +dd { + margin-top: 3px; + margin-bottom: 10px; + margin-left: 30px; +} + +dl > dd:last-child, +dl > dd:last-child > :last-child { + margin-bottom: 0; +} + +dt:target, span.highlighted { + background-color: #fbe54e; +} + +rect.highlighted { + fill: #fbe54e; +} + +dl.glossary dt { + font-weight: bold; + font-size: 1.1em; +} + +.versionmodified { + font-style: italic; +} + +.system-message { + background-color: #fda; + padding: 5px; + border: 3px solid red; +} + +.footnote:target { + background-color: #ffa; +} + +.line-block { + display: block; + margin-top: 1em; + margin-bottom: 1em; +} + +.line-block .line-block { + margin-top: 0; + margin-bottom: 0; + margin-left: 1.5em; +} + +.guilabel, .menuselection { + font-family: sans-serif; +} + +.accelerator { + text-decoration: underline; +} + +.classifier { + font-style: oblique; +} + +.classifier:before { + font-style: normal; + margin: 0 0.5em; + content: ":"; + display: inline-block; +} + +abbr, acronym { + border-bottom: dotted 1px; + cursor: help; +} + +/* -- code displays --------------------------------------------------------- */ + +pre { + overflow: auto; + overflow-y: hidden; /* fixes display issues on Chrome browsers */ +} + +pre, div[class*="highlight-"] { + clear: both; +} + +span.pre { + -moz-hyphens: none; + -ms-hyphens: none; + -webkit-hyphens: none; + hyphens: none; + white-space: nowrap; +} + +div[class*="highlight-"] { + margin: 1em 0; +} + +td.linenos pre { + border: 0; + background-color: transparent; + color: #aaa; +} + +table.highlighttable { + display: block; +} + +table.highlighttable tbody { + display: block; +} + +table.highlighttable tr { + display: flex; +} + +table.highlighttable td { + margin: 0; + padding: 0; +} + +table.highlighttable td.linenos { + padding-right: 0.5em; +} + +table.highlighttable td.code { + flex: 1; + overflow: hidden; +} + +.highlight .hll { + display: block; +} + +div.highlight pre, +table.highlighttable pre { + margin: 0; +} + +div.code-block-caption + div { + margin-top: 0; +} + +div.code-block-caption { + margin-top: 1em; + padding: 2px 5px; + font-size: small; +} + +div.code-block-caption code { + background-color: transparent; +} + +table.highlighttable td.linenos, +span.linenos, +div.highlight span.gp { /* gp: Generic.Prompt */ + user-select: none; + -webkit-user-select: text; /* Safari fallback only */ + -webkit-user-select: none; /* Chrome/Safari */ + -moz-user-select: none; /* Firefox */ + -ms-user-select: none; /* IE10+ */ +} + +div.code-block-caption span.caption-number { + padding: 0.1em 0.3em; + font-style: italic; +} + +div.code-block-caption span.caption-text { +} + +div.literal-block-wrapper { + margin: 1em 0; +} + +code.xref, a code { + background-color: transparent; + font-weight: bold; +} + +h1 code, h2 code, h3 code, h4 code, h5 code, h6 code { + background-color: transparent; +} + +.viewcode-link { + float: right; +} + +.viewcode-back { + float: right; + font-family: sans-serif; +} + +div.viewcode-block:target { + margin: -1px -10px; + padding: 0 10px; +} + +/* -- math display ---------------------------------------------------------- */ + +img.math { + vertical-align: middle; +} + +div.body div.math p { + text-align: center; +} + +span.eqno { + float: right; +} + +span.eqno a.headerlink { + position: absolute; + z-index: 1; +} + +div.math:hover a.headerlink { + visibility: visible; +} + +/* -- printout stylesheet --------------------------------------------------- */ + +@media print { + div.document, + div.documentwrapper, + div.bodywrapper { + margin: 0 !important; + width: 100%; + } + + div.sphinxsidebar, + div.related, + div.footer, + #top-link { + display: none; + } +} \ No newline at end of file diff --git a/mdoccbor/it/_static/css/theme.css b/mdoccbor/it/_static/css/theme.css new file mode 100644 index 000000000..6c29bebea --- /dev/null +++ b/mdoccbor/it/_static/css/theme.css @@ -0,0 +1 @@ +@charset "UTF-8";@import url("https://fonts.googleapis.com/css?family=Lora:400,700");@import 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+const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + parent.insertBefore( + span, + parent.insertBefore( + document.createTextNode(val.substr(pos + text.length)), + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const Documentation = { + init: () => { + Documentation.highlightSearchWords(); + Documentation.initDomainIndexTable(); + Documentation.initOnKeyListeners(); + }, + + /** + * i18n support + */ + TRANSLATIONS: {}, + PLURAL_EXPR: (n) => (n === 1 ? 0 : 1), + LOCALE: "unknown", + + // gettext and ngettext don't access this so that the functions + // can safely bound to a different name (_ = Documentation.gettext) + gettext: (string) => { + const translated = Documentation.TRANSLATIONS[string]; + switch (typeof translated) { + case "undefined": + return string; // no translation + case "string": + return translated; // translation exists + default: + return translated[0]; // (singular, plural) translation tuple exists + } + }, + + ngettext: (singular, plural, n) => { + const translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated !== "undefined") + return translated[Documentation.PLURAL_EXPR(n)]; + return n === 1 ? singular : plural; + }, + + addTranslations: (catalog) => { + Object.assign(Documentation.TRANSLATIONS, catalog.messages); + Documentation.PLURAL_EXPR = new Function( + "n", + `return (${catalog.plural_expr})` + ); + Documentation.LOCALE = catalog.locale; + }, + + /** + * highlight the search words provided in the url in the text + */ + highlightSearchWords: () => { + const highlight = + new URLSearchParams(window.location.search).get("highlight") || ""; + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + const url = new URL(window.location); + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + }, + + /** + * helper function to focus on search bar + */ + focusSearchBar: () => { + document.querySelectorAll("input[name=q]")[0]?.focus(); + }, + + /** + * Initialise the domain index toggle buttons + */ + initDomainIndexTable: () => { + const toggler = (el) => { + const idNumber = el.id.substr(7); + const toggledRows = document.querySelectorAll(`tr.cg-${idNumber}`); + if (el.src.substr(-9) === "minus.png") { + el.src = `${el.src.substr(0, el.src.length - 9)}plus.png`; + toggledRows.forEach((el) => (el.style.display = "none")); + } else { + el.src = `${el.src.substr(0, el.src.length - 8)}minus.png`; + toggledRows.forEach((el) => (el.style.display = "")); + } + }; + + const togglerElements = document.querySelectorAll("img.toggler"); + togglerElements.forEach((el) => 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b/mdoccbor/it/_static/images/should_not.svg @@ -0,0 +1,52 @@ + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/mdoccbor/it/_static/images/team-digitale-logo.svg b/mdoccbor/it/_static/images/team-digitale-logo.svg new file mode 100644 index 000000000..fa557011d --- /dev/null +++ b/mdoccbor/it/_static/images/team-digitale-logo.svg @@ -0,0 +1,15 @@ + + + + + + + + + diff --git a/mdoccbor/it/_static/jquery-3.6.0.js b/mdoccbor/it/_static/jquery-3.6.0.js new file mode 100644 index 000000000..fc6c299b7 --- /dev/null +++ b/mdoccbor/it/_static/jquery-3.6.0.js @@ -0,0 +1,10881 @@ +/*! + * jQuery JavaScript Library v3.6.0 + * https://jquery.com/ + * + * Includes Sizzle.js + * https://sizzlejs.com/ + * + * Copyright OpenJS Foundation and other contributors + * Released under the MIT license + * https://jquery.org/license + * + * Date: 2021-03-02T17:08Z + */ +( function( global, factory ) { + + "use strict"; + + if ( typeof module === "object" && typeof module.exports === "object" ) { + + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + +// Pass this if window is not defined yet +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { + +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. +"use strict"; + +var arr = []; + +var getProto = Object.getPrototypeOf; + +var slice = arr.slice; + +var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); +} : function( array ) { + return arr.concat.apply( [], array ); +}; + + +var push = arr.push; + +var indexOf = arr.indexOf; + +var class2type = {}; + +var toString = class2type.toString; + +var hasOwn = class2type.hasOwnProperty; + +var fnToString = hasOwn.toString; + +var ObjectFunctionString = fnToString.call( Object ); + +var support = {}; + +var isFunction = function isFunction( obj ) { + + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 + // Plus for old WebKit, typeof returns "function" for HTML collections + // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) + return typeof obj === "function" && typeof obj.nodeType !== "number" && + typeof obj.item !== "function"; + }; + + +var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; + }; + + +var document = window.document; + + + + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; + + function DOMEval( code, node, doc ) { + doc = doc || document; + + var i, val, + script = doc.createElement( "script" ); + + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { + + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } + + +function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; +} +/* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module + + + +var + version = "3.6.0", + + // Define a local copy of jQuery + jQuery = function( selector, context ) { + + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }; + +jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); + } + + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, + + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, + + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, + + first: function() { + return this.eq( 0 ); + }, + + last: function() { + return this.eq( -1 ); + }, + + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, + + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice +}; + +jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !isFunction( target ) ) { + target = {}; + } + + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } + + for ( ; i < length; i++ ) { + + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { + + // Extend the base object + for ( name in options ) { + copy = options[ name ]; + + // Prevent Object.prototype pollution + // Prevent never-ending loop + if ( name === "__proto__" || target === copy ) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; + + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; + } else { + clone = src; + } + copyIsArray = false; + + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); + + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; + } + } + } + } + + // Return the modified object + return target; +}; + +jQuery.extend( { + + // Unique for each copy of jQuery on the page + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function( msg ) { + throw new Error( msg ); + }, + + noop: function() {}, + + isPlainObject: function( obj ) { + var proto, Ctor; + + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } + + proto = getProto( obj ); + + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } + + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; + }, + + isEmptyObject: function( obj ) { + var name; + + for ( name in obj ) { + return false; + } + return true; + }, + + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); + }, + + each: function( obj, callback ) { + var length, i = 0; + + if ( isArrayLike( obj ) ) { + length = obj.length; + for ( ; i < length; i++ ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } else { + for ( i in obj ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } + + return obj; + }, + + // results is for internal usage only + makeArray: function( arr, results ) { + var ret = results || []; + + if ( arr != null ) { + if ( isArrayLike( Object( arr ) ) ) { + jQuery.merge( ret, + typeof arr === "string" ? + [ arr ] : arr + ); + } else { + push.call( ret, arr ); + } + } + + return ret; + }, + + inArray: function( elem, arr, i ) { + return arr == null ? -1 : indexOf.call( arr, elem, i ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function( first, second ) { + var len = +second.length, + j = 0, + i = first.length; + + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; + } + + first.length = i; + + return first; + }, + + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for ( ; i < length; i++ ) { + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); + } + } + + return matches; + }, + + // arg is for internal usage only + map: function( elems, callback, arg ) { + var length, value, + i = 0, + ret = []; + + // Go through the array, translating each of the items to their new values + if ( isArrayLike( elems ) ) { + length = elems.length; + for ( ; i < length; i++ ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + + // Go through every key on the object, + } else { + for ( i in elems ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + } + + // Flatten any nested arrays + return flat( ret ); + }, + + // A global GUID counter for objects + guid: 1, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support +} ); + +if ( typeof Symbol === "function" ) { + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; +} + +// Populate the class2type map +jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); + +function isArrayLike( obj ) { + + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + var length = !!obj && "length" in obj && obj.length, + type = toType( obj ); + + if ( isFunction( obj ) || isWindow( obj ) ) { + return false; + } + + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && ( length - 1 ) in obj; +} +var Sizzle = +/*! + * Sizzle CSS Selector Engine v2.3.6 + * https://sizzlejs.com/ + * + * Copyright JS Foundation and other contributors + * Released under the MIT license + * https://js.foundation/ + * + * Date: 2021-02-16 + */ +( function( window ) { +var i, + support, + Expr, + getText, + isXML, + tokenize, + compile, + select, + outermostContext, + sortInput, + hasDuplicate, + + // Local document vars + setDocument, + document, + docElem, + documentIsHTML, + rbuggyQSA, + rbuggyMatches, + matches, + contains, + + // Instance-specific data + expando = "sizzle" + 1 * new Date(), + preferredDoc = window.document, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + nonnativeSelectorCache = createCache(), + sortOrder = function( a, b ) { + if ( a === b ) { + hasDuplicate = true; + } + return 0; + }, + + // Instance methods + hasOwn = ( {} ).hasOwnProperty, + arr = [], + pop = arr.pop, + pushNative = arr.push, + push = arr.push, + slice = arr.slice, + + // Use a stripped-down indexOf as it's faster than native + // https://jsperf.com/thor-indexof-vs-for/5 + indexOf = function( list, elem ) { + var i = 0, + len = list.length; + for ( ; i < len; i++ ) { + if ( list[ i ] === elem ) { + return i; + } + } + return -1; + }, + + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + + "ismap|loop|multiple|open|readonly|required|scoped", + + // Regular expressions + + // http://www.w3.org/TR/css3-selectors/#whitespace + whitespace = "[\\x20\\t\\r\\n\\f]", + + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", + + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + + // "Attribute values must be CSS identifiers [capture 5] + // or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", + + pseudos = ":(" + identifier + ")(?:\\((" + + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rwhitespace = new RegExp( whitespace + "+", "g" ), + rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + + whitespace + "+$", "g" ), + + rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), + rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + + "*" ), + rdescend = new RegExp( whitespace + "|>" ), + + rpseudo = new RegExp( pseudos ), + ridentifier = new RegExp( "^" + identifier + "$" ), + + matchExpr = { + "ID": new RegExp( "^#(" + identifier + ")" ), + "CLASS": new RegExp( "^\\.(" + identifier + ")" ), + "TAG": new RegExp( "^(" + identifier + "|[*])" ), + "ATTR": new RegExp( "^" + attributes ), + "PSEUDO": new RegExp( "^" + pseudos ), + "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), + + // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext": new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + }, + + rhtml = /HTML$/i, + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, + + rnative = /^[^{]+\{\s*\[native \w/, + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, + + rsibling = /[+~]/, + + // CSS escapes + // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; + + return nonHex ? + + // Strip the backslash prefix from a non-hex escape sequence + nonHex : + + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + }, + + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, + fcssescape = function( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; + }, + + // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + unloadHandler = function() { + setDocument(); + }, + + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset"; + }, + { dir: "parentNode", next: "legend" } + ); + +// Optimize for push.apply( _, NodeList ) +try { + push.apply( + ( arr = slice.call( preferredDoc.childNodes ) ), + preferredDoc.childNodes + ); + + // Support: Android<4.0 + // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions + arr[ preferredDoc.childNodes.length ].nodeType; +} catch ( e ) { + push = { apply: arr.length ? + + // Leverage slice if possible + function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + } : + + // Support: IE<9 + // Otherwise append directly + function( target, els ) { + var j = target.length, + i = 0; + + // Can't trust NodeList.length + while ( ( target[ j++ ] = els[ i++ ] ) ) {} + target.length = j - 1; + } + }; +} + +function Sizzle( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, + newContext = context && context.ownerDocument, + + // nodeType defaults to 9, since context defaults to document + nodeType = context ? context.nodeType : 9; + + results = results || []; + + // Return early from calls with invalid selector or context + if ( typeof selector !== "string" || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + + return results; + } + + // Try to shortcut find operations (as opposed to filters) in HTML documents + if ( !seed ) { + setDocument( context ); + context = context || document; + + if ( documentIsHTML ) { + + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { + + // ID selector + if ( ( m = match[ 1 ] ) ) { + + // Document context + if ( nodeType === 9 ) { + if ( ( elem = context.getElementById( m ) ) ) { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( elem.id === m ) { + results.push( elem ); + return results; + } + } else { + return results; + } + + // Element context + } else { + + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( newContext && ( elem = newContext.getElementById( m ) ) && + contains( context, elem ) && + elem.id === m ) { + + results.push( elem ); + return results; + } + } + + // Type selector + } else if ( match[ 2 ] ) { + push.apply( results, context.getElementsByTagName( selector ) ); + return results; + + // Class selector + } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName && + context.getElementsByClassName ) { + + push.apply( results, context.getElementsByClassName( m ) ); + return results; + } + } + + // Take advantage of querySelectorAll + if ( support.qsa && + !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) && + + // Support: IE 8 only + // Exclude object elements + ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) { + + newSelector = selector; + newContext = context; + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) { + + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + if ( newContext !== context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = nid.replace( rcssescape, fcssescape ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } + } + + // Prefix every selector in the list + groups = tokenize( selector ); + i = groups.length; + while ( i-- ) { + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); + } + newSelector = groups.join( "," ); + } + + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); + } + } + } + } + } + + // All others + return select( selector.replace( rtrim, "$1" ), context, results, seed ); +} + +/** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ +function createCache() { + var keys = []; + + function cache( key, value ) { + + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if ( keys.push( key + " " ) > Expr.cacheLength ) { + + // Only keep the most recent entries + delete cache[ keys.shift() ]; + } + return ( cache[ key + " " ] = value ); + } + return cache; +} + +/** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ +function markFunction( fn ) { + fn[ expando ] = true; + return fn; +} + +/** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ +function assert( fn ) { + var el = document.createElement( "fieldset" ); + + try { + return !!fn( el ); + } catch ( e ) { + return false; + } finally { + + // Remove from its parent by default + if ( el.parentNode ) { + el.parentNode.removeChild( el ); + } + + // release memory in IE + el = null; + } +} + +/** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ +function addHandle( attrs, handler ) { + var arr = attrs.split( "|" ), + i = arr.length; + + while ( i-- ) { + Expr.attrHandle[ arr[ i ] ] = handler; + } +} + +/** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ +function siblingCheck( a, b ) { + var cur = b && a, + diff = cur && a.nodeType === 1 && b.nodeType === 1 && + a.sourceIndex - b.sourceIndex; + + // Use IE sourceIndex if available on both nodes + if ( diff ) { + return diff; + } + + // Check if b follows a + if ( cur ) { + while ( ( cur = cur.nextSibling ) ) { + if ( cur === b ) { + return -1; + } + } + } + + return a ? 1 : -1; +} + +/** + * Returns a function to use in pseudos for input types + * @param {String} type + */ +function createInputPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ +function createButtonPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return ( name === "input" || name === "button" ) && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ +function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } + + // Support: IE 6 - 11 + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + /* jshint -W018 */ + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } + + return elem.disabled === disabled; + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } + + // Remaining elements are neither :enabled nor :disabled + return false; + }; +} + +/** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ +function createPositionalPseudo( fn ) { + return markFunction( function( argument ) { + argument = +argument; + return markFunction( function( seed, matches ) { + var j, + matchIndexes = fn( [], seed.length, argument ), + i = matchIndexes.length; + + // Match elements found at the specified indexes + while ( i-- ) { + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); + } + } + } ); + } ); +} + +/** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ +function testContext( context ) { + return context && typeof context.getElementsByTagName !== "undefined" && context; +} + +// Expose support vars for convenience +support = Sizzle.support = {}; + +/** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ +isXML = Sizzle.isXML = function( elem ) { + var namespace = elem && elem.namespaceURI, + docElem = elem && ( elem.ownerDocument || elem ).documentElement; + + // Support: IE <=8 + // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes + // https://bugs.jquery.com/ticket/4833 + return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" ); +}; + +/** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ +setDocument = Sizzle.setDocument = function( node ) { + var hasCompare, subWindow, + doc = node ? node.ownerDocument || node : preferredDoc; + + // Return early if doc is invalid or already selected + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { + return document; + } + + // Update global variables + document = doc; + docElem = document.documentElement; + documentIsHTML = !isXML( document ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 11, Edge + if ( subWindow.addEventListener ) { + subWindow.addEventListener( "unload", unloadHandler, false ); + + // Support: IE 9 - 10 only + } else if ( subWindow.attachEvent ) { + subWindow.attachEvent( "onunload", unloadHandler ); + } + } + + // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only, + // Safari 4 - 5 only, Opera <=11.6 - 12.x only + // IE/Edge & older browsers don't support the :scope pseudo-class. + // Support: Safari 6.0 only + // Safari 6.0 supports :scope but it's an alias of :root there. + support.scope = assert( function( el ) { + docElem.appendChild( el ).appendChild( document.createElement( "div" ) ); + return typeof el.querySelectorAll !== "undefined" && + !el.querySelectorAll( ":scope fieldset div" ).length; + } ); + + /* Attributes + ---------------------------------------------------------------------- */ + + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes = assert( function( el ) { + el.className = "i"; + return !el.getAttribute( "className" ); + } ); + + /* getElement(s)By* + ---------------------------------------------------------------------- */ + + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert( function( el ) { + el.appendChild( document.createComment( "" ) ); + return !el.getElementsByTagName( "*" ).length; + } ); + + // Support: IE<9 + support.getElementsByClassName = rnative.test( document.getElementsByClassName ); + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert( function( el ) { + docElem.appendChild( el ).id = expando; + return !document.getElementsByName || !document.getElementsByName( expando ).length; + } ); + + // ID filter and find + if ( support.getById ) { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + return elem.getAttribute( "id" ) === attrId; + }; + }; + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; + } else { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + var node = typeof elem.getAttributeNode !== "undefined" && + elem.getAttributeNode( "id" ); + return node && node.value === attrId; + }; + }; + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); + + if ( elem ) { + + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } + + return []; + } + }; + } + + // Tag + Expr.find[ "TAG" ] = support.getElementsByTagName ? + function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); + + // DocumentFragment nodes don't have gEBTN + } else if ( support.qsa ) { + return context.querySelectorAll( tag ); + } + } : + + function( tag, context ) { + var elem, + tmp = [], + i = 0, + + // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + results = context.getElementsByTagName( tag ); + + // Filter out possible comments + if ( tag === "*" ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem.nodeType === 1 ) { + tmp.push( elem ); + } + } + + return tmp; + } + return results; + }; + + // Class + Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) { + if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { + return context.getElementsByClassName( className ); + } + }; + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = []; + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See https://bugs.jquery.com/ticket/13378 + rbuggyQSA = []; + + if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) { + + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { + + var input; + + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // https://bugs.jquery.com/ticket/12359 + docElem.appendChild( el ).innerHTML = "" + + ""; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) { + rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + } + + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } + + // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } + + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } + + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } + + // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } + + // Support: Firefox <=3.6 - 5 only + // Old Firefox doesn't throw on a badly-escaped identifier. + el.querySelectorAll( "\\\f" ); + rbuggyQSA.push( "[\\r\\n\\f]" ); + } ); + + assert( function( el ) { + el.innerHTML = "" + + ""; + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if ( el.querySelectorAll( "[name=d]" ).length ) { + rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); + } + + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if ( el.querySelectorAll( ":enabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: IE9-11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + docElem.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: Opera 10 - 11 only + // Opera 10-11 does not throw on post-comma invalid pseudos + el.querySelectorAll( "*,:x" ); + rbuggyQSA.push( ",.*:" ); + } ); + } + + if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector ) ) ) ) { + + assert( function( el ) { + + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call( el, "*" ); + + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call( el, "[s!='']:x" ); + rbuggyMatches.push( "!=", pseudos ); + } ); + } + + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); + rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) ); + + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test( docElem.compareDocumentPosition ); + + // Element contains another + // Purposefully self-exclusive + // As in, an element does not contain itself + contains = hasCompare || rnative.test( docElem.contains ) ? + function( a, b ) { + var adown = a.nodeType === 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a === bup || !!( bup && bup.nodeType === 1 && ( + adown.contains ? + adown.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); + } : + function( a, b ) { + if ( b ) { + while ( ( b = b.parentNode ) ) { + if ( b === a ) { + return true; + } + } + } + return false; + }; + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = hasCompare ? + function( a, b ) { + + // Flag for duplicate removal + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if ( compare ) { + return compare; + } + + // Calculate position if both inputs belong to the same document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? + a.compareDocumentPosition( b ) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if ( compare & 1 || + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { + + // Choose the first element that is related to our preferred document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a == document || a.ownerDocument == preferredDoc && + contains( preferredDoc, a ) ) { + return -1; + } + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b == document || b.ownerDocument == preferredDoc && + contains( preferredDoc, b ) ) { + return 1; + } + + // Maintain original order + return sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + } + + return compare & 4 ? -1 : 1; + } : + function( a, b ) { + + // Exit early if the nodes are identical + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + var cur, + i = 0, + aup = a.parentNode, + bup = b.parentNode, + ap = [ a ], + bp = [ b ]; + + // Parentless nodes are either documents or disconnected + if ( !aup || !bup ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + return a == document ? -1 : + b == document ? 1 : + /* eslint-enable eqeqeq */ + aup ? -1 : + bup ? 1 : + sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + + // If the nodes are siblings, we can do a quick check + } else if ( aup === bup ) { + return siblingCheck( a, b ); + } + + // Otherwise we need full lists of their ancestors for comparison + cur = a; + while ( ( cur = cur.parentNode ) ) { + ap.unshift( cur ); + } + cur = b; + while ( ( cur = cur.parentNode ) ) { + bp.unshift( cur ); + } + + // Walk down the tree looking for a discrepancy + while ( ap[ i ] === bp[ i ] ) { + i++; + } + + return i ? + + // Do a sibling check if the nodes have a common ancestor + siblingCheck( ap[ i ], bp[ i ] ) : + + // Otherwise nodes in our document sort first + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + ap[ i ] == preferredDoc ? -1 : + bp[ i ] == preferredDoc ? 1 : + /* eslint-enable eqeqeq */ + 0; + }; + + return document; +}; + +Sizzle.matches = function( expr, elements ) { + return Sizzle( expr, null, null, elements ); +}; + +Sizzle.matchesSelector = function( elem, expr ) { + setDocument( elem ); + + if ( support.matchesSelector && documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + + try { + var ret = matches.call( elem, expr ); + + // IE 9's matchesSelector returns false on disconnected nodes + if ( ret || support.disconnectedMatch || + + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11 ) { + return ret; + } + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } + } + + return Sizzle( expr, document, null, [ elem ] ).length > 0; +}; + +Sizzle.contains = function( context, elem ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { + setDocument( context ); + } + return contains( context, elem ); +}; + +Sizzle.attr = function( elem, name ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { + setDocument( elem ); + } + + var fn = Expr.attrHandle[ name.toLowerCase() ], + + // Don't get fooled by Object.prototype properties (jQuery #13807) + val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? + fn( elem, name, !documentIsHTML ) : + undefined; + + return val !== undefined ? + val : + support.attributes || !documentIsHTML ? + elem.getAttribute( name ) : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; +}; + +Sizzle.escape = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); +}; + +Sizzle.error = function( msg ) { + throw new Error( "Syntax error, unrecognized expression: " + msg ); +}; + +/** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ +Sizzle.uniqueSort = function( results ) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates; + sortInput = !support.sortStable && results.slice( 0 ); + results.sort( sortOrder ); + + if ( hasDuplicate ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem === results[ i ] ) { + j = duplicates.push( i ); + } + } + while ( j-- ) { + results.splice( duplicates[ j ], 1 ); + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + + return results; +}; + +/** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ +getText = Sizzle.getText = function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if ( !nodeType ) { + + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { + + // Do not traverse comment nodes + ret += getText( node ); + } + } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { + + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if ( typeof elem.textContent === "string" ) { + return elem.textContent; + } else { + + // Traverse its children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + ret += getText( elem ); + } + } + } else if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } + + // Do not include comment or processing instruction nodes + + return ret; +}; + +Expr = Sizzle.selectors = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, + + preFilter: { + "ATTR": function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); + + // Move the given value to match[3] whether quoted or unquoted + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || + match[ 5 ] || "" ).replace( runescape, funescape ); + + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; + } + + return match.slice( 0, 4 ); + }, + + "CHILD": function( match ) { + + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[ 1 ] = match[ 1 ].toLowerCase(); + + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { + + // nth-* requires argument + if ( !match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); + + // other types prohibit arguments + } else if ( match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } + + return match; + }, + + "PSEUDO": function( match ) { + var excess, + unquoted = !match[ 6 ] && match[ 2 ]; + + if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) { + return null; + } + + // Accept quoted arguments as-is + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; + + // Strip excess characters from unquoted arguments + } else if ( unquoted && rpseudo.test( unquoted ) && + + // Get excess from tokenize (recursively) + ( excess = tokenize( unquoted, true ) ) && + + // advance to the next closing parenthesis + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { + + // excess is a negative index + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice( 0, 3 ); + } + }, + + filter: { + + "TAG": function( nodeNameSelector ) { + var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + return nodeNameSelector === "*" ? + function() { + return true; + } : + function( elem ) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + }; + }, + + "CLASS": function( className ) { + var pattern = classCache[ className + " " ]; + + return pattern || + ( pattern = new RegExp( "(^|" + whitespace + + ")" + className + "(" + whitespace + "|$)" ) ) && classCache( + className, function( elem ) { + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); + }, + + "ATTR": function( name, operator, check ) { + return function( elem ) { + var result = Sizzle.attr( elem, name ); + + if ( result == null ) { + return operator === "!="; + } + if ( !operator ) { + return true; + } + + result += ""; + + /* eslint-disable max-len */ + + return operator === "=" ? result === check : + operator === "!=" ? result !== check : + operator === "^=" ? check && result.indexOf( check ) === 0 : + operator === "*=" ? check && result.indexOf( check ) > -1 : + operator === "$=" ? check && result.slice( -check.length ) === check : + operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : + operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : + false; + /* eslint-enable max-len */ + + }; + }, + + "CHILD": function( type, what, _argument, first, last ) { + var simple = type.slice( 0, 3 ) !== "nth", + forward = type.slice( -4 ) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function( elem ) { + return !!elem.parentNode; + } : + + function( elem, _context, xml ) { + var cache, uniqueCache, outerCache, node, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType, + diff = false; + + if ( parent ) { + + // :(first|last|only)-(child|of-type) + if ( simple ) { + while ( dir ) { + node = elem; + while ( ( node = node[ dir ] ) ) { + if ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) { + + return false; + } + } + + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } + + start = [ forward ? parent.firstChild : parent.lastChild ]; + + // non-xml :nth-child(...) stores cache data on `parent` + if ( forward && useCache ) { + + // Seek `elem` from a previously-cached index + + // ...in a gzip-friendly way + node = parent; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex && cache[ 2 ]; + node = nodeIndex && parent.childNodes[ nodeIndex ]; + + while ( ( node = ++nodeIndex && node && node[ dir ] || + + // Fallback to seeking `elem` from the start + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + // When found, cache indexes on `parent` and break + if ( node.nodeType === 1 && ++diff && node === elem ) { + uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; + break; + } + } + + } else { + + // Use previously-cached element index if available + if ( useCache ) { + + // ...in a gzip-friendly way + node = elem; + outerCache = node[ expando ] || ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex; + } + + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if ( diff === false ) { + + // Use the same loop as above to seek `elem` from the start + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + if ( ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) && + ++diff ) { + + // Cache the index of each encountered element + if ( useCache ) { + outerCache = node[ expando ] || + ( node[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); + + uniqueCache[ type ] = [ dirruns, diff ]; + } + + if ( node === elem ) { + break; + } + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || ( diff % first === 0 && diff / first >= 0 ); + } + }; + }, + + "PSEUDO": function( pseudo, argument ) { + + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || + Sizzle.error( "unsupported pseudo: " + pseudo ); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if ( fn[ expando ] ) { + return fn( argument ); + } + + // But maintain support for old signatures + if ( fn.length > 1 ) { + args = [ pseudo, pseudo, "", argument ]; + return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? + markFunction( function( seed, matches ) { + var idx, + matched = fn( seed, argument ), + i = matched.length; + while ( i-- ) { + idx = indexOf( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); + } + } ) : + function( elem ) { + return fn( elem, 0, args ); + }; + } + + return fn; + } + }, + + pseudos: { + + // Potentially complex pseudos + "not": markFunction( function( selector ) { + + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile( selector.replace( rtrim, "$1" ) ); + + return matcher[ expando ] ? + markFunction( function( seed, matches, _context, xml ) { + var elem, + unmatched = matcher( seed, null, xml, [] ), + i = seed.length; + + // Match elements unmatched by `matcher` + while ( i-- ) { + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); + } + } + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; + matcher( input, null, xml, results ); + + // Don't keep the element (issue #299) + input[ 0 ] = null; + return !results.pop(); + }; + } ), + + "has": markFunction( function( selector ) { + return function( elem ) { + return Sizzle( selector, elem ).length > 0; + }; + } ), + + "contains": markFunction( function( text ) { + text = text.replace( runescape, funescape ); + return function( elem ) { + return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1; + }; + } ), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang": markFunction( function( lang ) { + + // lang value must be a valid identifier + if ( !ridentifier.test( lang || "" ) ) { + Sizzle.error( "unsupported lang: " + lang ); + } + lang = lang.replace( runescape, funescape ).toLowerCase(); + return function( elem ) { + var elemLang; + do { + if ( ( elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; + } + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); + return false; + }; + } ), + + // Miscellaneous + "target": function( elem ) { + var hash = window.location && window.location.hash; + return hash && hash.slice( 1 ) === elem.id; + }, + + "root": function( elem ) { + return elem === docElem; + }, + + "focus": function( elem ) { + return elem === document.activeElement && + ( !document.hasFocus || document.hasFocus() ) && + !!( elem.type || elem.href || ~elem.tabIndex ); + }, + + // Boolean properties + "enabled": createDisabledPseudo( false ), + "disabled": createDisabledPseudo( true ), + + "checked": function( elem ) { + + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName = elem.nodeName.toLowerCase(); + return ( nodeName === "input" && !!elem.checked ) || + ( nodeName === "option" && !!elem.selected ); + }, + + "selected": function( elem ) { + + // Accessing this property makes selected-by-default + // options in Safari work properly + if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions + elem.parentNode.selectedIndex; + } + + return elem.selected === true; + }, + + // Contents + "empty": function( elem ) { + + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + if ( elem.nodeType < 6 ) { + return false; + } + } + return true; + }, + + "parent": function( elem ) { + return !Expr.pseudos[ "empty" ]( elem ); + }, + + // Element/input types + "header": function( elem ) { + return rheader.test( elem.nodeName ); + }, + + "input": function( elem ) { + return rinputs.test( elem.nodeName ); + }, + + "button": function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === "button" || name === "button"; + }, + + "text": function( elem ) { + var attr; + return elem.nodeName.toLowerCase() === "input" && + elem.type === "text" && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); + }, + + // Position-in-collection + "first": createPositionalPseudo( function() { + return [ 0 ]; + } ), + + "last": createPositionalPseudo( function( _matchIndexes, length ) { + return [ length - 1 ]; + } ), + + "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) { + return [ argument < 0 ? argument + length : argument ]; + } ), + + "even": createPositionalPseudo( function( matchIndexes, length ) { + var i = 0; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "odd": createPositionalPseudo( function( matchIndexes, length ) { + var i = 1; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "lt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? + argument + length : + argument > length ? + length : + argument; + for ( ; --i >= 0; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "gt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? argument + length : argument; + for ( ; ++i < length; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ) + } +}; + +Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ]; + +// Add button/input type pseudos +for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { + Expr.pseudos[ i ] = createInputPseudo( i ); +} +for ( i in { submit: true, reset: true } ) { + Expr.pseudos[ i ] = createButtonPseudo( i ); +} + +// Easy API for creating new setFilters +function setFilters() {} +setFilters.prototype = Expr.filters = Expr.pseudos; +Expr.setFilters = new setFilters(); + +tokenize = Sizzle.tokenize = function( selector, parseOnly ) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[ selector + " " ]; + + if ( cached ) { + return parseOnly ? 0 : cached.slice( 0 ); + } + + soFar = selector; + groups = []; + preFilters = Expr.preFilter; + + while ( soFar ) { + + // Comma and first run + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { + if ( match ) { + + // Don't consume trailing commas as valid + soFar = soFar.slice( match[ 0 ].length ) || soFar; + } + groups.push( ( tokens = [] ) ); + } + + matched = false; + + // Combinators + if ( ( match = rcombinators.exec( soFar ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + + // Cast descendant combinators to space + type: match[ 0 ].replace( rtrim, " " ) + } ); + soFar = soFar.slice( matched.length ); + } + + // Filters + for ( type in Expr.filter ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + type: type, + matches: match + } ); + soFar = soFar.slice( matched.length ); + } + } + + if ( !matched ) { + break; + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly ? + soFar.length : + soFar ? + Sizzle.error( selector ) : + + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); +}; + +function toSelector( tokens ) { + var i = 0, + len = tokens.length, + selector = ""; + for ( ; i < len; i++ ) { + selector += tokens[ i ].value; + } + return selector; +} + +function addCombinator( matcher, combinator, base ) { + var dir = combinator.dir, + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", + doneName = done++; + + return combinator.first ? + + // Check against closest ancestor/preceding element + function( elem, context, xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + return matcher( elem, context, xml ); + } + } + return false; + } : + + // Check against all ancestor/preceding elements + function( elem, context, xml ) { + var oldCache, uniqueCache, outerCache, + newCache = [ dirruns, doneName ]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if ( xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + if ( matcher( elem, context, xml ) ) { + return true; + } + } + } + } else { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ elem.uniqueID ] || + ( outerCache[ elem.uniqueID ] = {} ); + + if ( skip && skip === elem.nodeName.toLowerCase() ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = uniqueCache[ key ] ) && + oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { + + // Assign to newCache so results back-propagate to previous elements + return ( newCache[ 2 ] = oldCache[ 2 ] ); + } else { + + // Reuse newcache so results back-propagate to previous elements + uniqueCache[ key ] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { + return true; + } + } + } + } + } + return false; + }; +} + +function elementMatcher( matchers ) { + return matchers.length > 1 ? + function( elem, context, xml ) { + var i = matchers.length; + while ( i-- ) { + if ( !matchers[ i ]( elem, context, xml ) ) { + return false; + } + } + return true; + } : + matchers[ 0 ]; +} + +function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + Sizzle( selector, contexts[ i ], results ); + } + return results; +} + +function condense( unmatched, map, filter, context, xml ) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; + + for ( ; i < len; i++ ) { + if ( ( elem = unmatched[ i ] ) ) { + if ( !filter || filter( elem, context, xml ) ) { + newUnmatched.push( elem ); + if ( mapped ) { + map.push( i ); + } + } + } + } + + return newUnmatched; +} + +function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { + if ( postFilter && !postFilter[ expando ] ) { + postFilter = setMatcher( postFilter ); + } + if ( postFinder && !postFinder[ expando ] ) { + postFinder = setMatcher( postFinder, postSelector ); + } + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, + preMap = [], + postMap = [], + preexisting = results.length, + + // Get initial elements from seed or context + elems = seed || multipleContexts( + selector || "*", + context.nodeType ? [ context ] : context, + [] + ), + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && ( seed || !selector ) ? + condense( elems, preMap, preFilter, context, xml ) : + elems, + + matcherOut = matcher ? + + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results : + matcherIn; + + // Find primary matches + if ( matcher ) { + matcher( matcherIn, matcherOut, context, xml ); + } + + // Apply postFilter + if ( postFilter ) { + temp = condense( matcherOut, postMap ); + postFilter( temp, [], context, xml ); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while ( i-- ) { + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); + } + } + } + + if ( seed ) { + if ( postFinder || preFilter ) { + if ( postFinder ) { + + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) ) { + + // Restore matcherIn since elem is not yet a final match + temp.push( ( matcherIn[ i ] = elem ) ); + } + } + postFinder( null, ( matcherOut = [] ), temp, xml ); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) { + + seed[ temp ] = !( results[ temp ] = elem ); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice( preexisting, matcherOut.length ) : + matcherOut + ); + if ( postFinder ) { + postFinder( null, results, matcherOut, xml ); + } else { + push.apply( results, matcherOut ); + } + } + } ); +} + +function matcherFromTokens( tokens ) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator( function( elem ) { + return elem === checkContext; + }, implicitRelative, true ), + matchAnyContext = addCombinator( function( elem ) { + return indexOf( checkContext, elem ) > -1; + }, implicitRelative, true ), + matchers = [ function( elem, context, xml ) { + var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( + ( checkContext = context ).nodeType ? + matchContext( elem, context, xml ) : + matchAnyContext( elem, context, xml ) ); + + // Avoid hanging onto element (issue #299) + checkContext = null; + return ret; + } ]; + + for ( ; i < len; i++ ) { + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; + } else { + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); + + // Return special upon seeing a positional matcher + if ( matcher[ expando ] ) { + + // Find the next relative operator (if any) for proper handling + j = ++i; + for ( ; j < len; j++ ) { + if ( Expr.relative[ tokens[ j ].type ] ) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher( matchers ), + i > 1 && toSelector( + + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens + .slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrim, "$1" ), + matcher, + i < j && matcherFromTokens( tokens.slice( i, j ) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), + j < len && toSelector( tokens ) + ); + } + matchers.push( matcher ); + } + } + + return elementMatcher( matchers ); +} + +function matcherFromGroupMatchers( elementMatchers, setMatchers ) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function( seed, context, xml, results, outermost ) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, + + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ), + + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), + len = elems.length; + + if ( outermost ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; + } + + // Add elements passing elementMatchers directly to results + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { + if ( byElement && elem ) { + j = 0; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { + setDocument( elem ); + xml = !documentIsHTML; + } + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + results.push( elem ); + break; + } + } + if ( outermost ) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if ( bySet ) { + + // They will have gone through all possible matchers + if ( ( elem = !matcher && elem ) ) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if ( seed ) { + unmatched.push( elem ); + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i; + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if ( bySet && i !== matchedCount ) { + j = 0; + while ( ( matcher = setMatchers[ j++ ] ) ) { + matcher( unmatched, setMatched, context, xml ); + } + + if ( seed ) { + + // Reintegrate element matches to eliminate the need for sorting + if ( matchedCount > 0 ) { + while ( i-- ) { + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense( setMatched ); + } + + // Add matches to results + push.apply( results, setMatched ); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if ( outermost && !seed && setMatched.length > 0 && + ( matchedCount + setMatchers.length ) > 1 ) { + + Sizzle.uniqueSort( results ); + } + } + + // Override manipulation of globals by nested matchers + if ( outermost ) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction( superMatcher ) : + superMatcher; +} + +compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[ selector + " " ]; + + if ( !cached ) { + + // Generate a function of recursive functions that can be used to check each element + if ( !match ) { + match = tokenize( selector ); + } + i = match.length; + while ( i-- ) { + cached = matcherFromTokens( match[ i ] ); + if ( cached[ expando ] ) { + setMatchers.push( cached ); + } else { + elementMatchers.push( cached ); + } + } + + // Cache the compiled function + cached = compilerCache( + selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) + ); + + // Save selector and tokenization + cached.selector = selector; + } + return cached; +}; + +/** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ +select = Sizzle.select = function( selector, context, results, seed ) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); + + results = results || []; + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if ( match.length === 1 ) { + + // Reduce context if the leading compound selector is an ID + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { + + context = ( Expr.find[ "ID" ]( token.matches[ 0 ] + .replace( runescape, funescape ), context ) || [] )[ 0 ]; + if ( !context ) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if ( compiled ) { + context = context.parentNode; + } + + selector = selector.slice( tokens.shift().value.length ); + } + + // Fetch a seed set for right-to-left matching + i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[ i ]; + + // Abort if we hit a combinator + if ( Expr.relative[ ( type = token.type ) ] ) { + break; + } + if ( ( find = Expr.find[ type ] ) ) { + + // Search, expanding context for leading sibling combinators + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) || + context + ) ) ) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice( i, 1 ); + selector = seed.length && toSelector( tokens ); + if ( !selector ) { + push.apply( results, seed ); + return results; + } + + break; + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + ( compiled || compile( selector, match ) )( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test( selector ) && testContext( context.parentNode ) || context + ); + return results; +}; + +// One-time assignments + +// Sort stability +support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; + +// Support: Chrome 14-35+ +// Always assume duplicates if they aren't passed to the comparison function +support.detectDuplicates = !!hasDuplicate; + +// Initialize against the default document +setDocument(); + +// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) +// Detached nodes confoundingly follow *each other* +support.sortDetached = assert( function( el ) { + + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; +} ); + +// Support: IE<8 +// Prevent attribute/property "interpolation" +// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx +if ( !assert( function( el ) { + el.innerHTML = ""; + return el.firstChild.getAttribute( "href" ) === "#"; +} ) ) { + addHandle( "type|href|height|width", function( elem, name, isXML ) { + if ( !isXML ) { + return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); + } + } ); +} + +// Support: IE<9 +// Use defaultValue in place of getAttribute("value") +if ( !support.attributes || !assert( function( el ) { + el.innerHTML = ""; + el.firstChild.setAttribute( "value", "" ); + return el.firstChild.getAttribute( "value" ) === ""; +} ) ) { + addHandle( "value", function( elem, _name, isXML ) { + if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { + return elem.defaultValue; + } + } ); +} + +// Support: IE<9 +// Use getAttributeNode to fetch booleans when getAttribute lies +if ( !assert( function( el ) { + return el.getAttribute( "disabled" ) == null; +} ) ) { + addHandle( booleans, function( elem, name, isXML ) { + var val; + if ( !isXML ) { + return elem[ name ] === true ? name.toLowerCase() : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; + } + } ); +} + +return Sizzle; + +} )( window ); + + + +jQuery.find = Sizzle; +jQuery.expr = Sizzle.selectors; + +// Deprecated +jQuery.expr[ ":" ] = jQuery.expr.pseudos; +jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; +jQuery.text = Sizzle.getText; +jQuery.isXMLDoc = Sizzle.isXML; +jQuery.contains = Sizzle.contains; +jQuery.escapeSelector = Sizzle.escape; + + + + +var dir = function( elem, dir, until ) { + var matched = [], + truncate = until !== undefined; + + while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { + if ( elem.nodeType === 1 ) { + if ( truncate && jQuery( elem ).is( until ) ) { + break; + } + matched.push( elem ); + } + } + return matched; +}; + + +var siblings = function( n, elem ) { + var matched = []; + + for ( ; n; n = n.nextSibling ) { + if ( n.nodeType === 1 && n !== elem ) { + matched.push( n ); + } + } + + return matched; +}; + + +var rneedsContext = jQuery.expr.match.needsContext; + + + +function nodeName( elem, name ) { + + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + +} +var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); + + + +// Implement the identical functionality for filter and not +function winnow( elements, qualifier, not ) { + if ( isFunction( qualifier ) ) { + return jQuery.grep( elements, function( elem, i ) { + return !!qualifier.call( elem, i, elem ) !== not; + } ); + } + + // Single element + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + } ); + } + + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); + } + + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); +} + +jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; + } + + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; + } + + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); +}; + +jQuery.fn.extend( { + find: function( selector ) { + var i, ret, + len = this.length, + self = this; + + if ( typeof selector !== "string" ) { + return this.pushStack( jQuery( selector ).filter( function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( self[ i ], this ) ) { + return true; + } + } + } ) ); + } + + ret = this.pushStack( [] ); + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); + } + + return len > 1 ? jQuery.uniqueSort( ret ) : ret; + }, + filter: function( selector ) { + return this.pushStack( winnow( this, selector || [], false ) ); + }, + not: function( selector ) { + return this.pushStack( winnow( this, selector || [], true ) ); + }, + is: function( selector ) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; + } +} ); + + +// Initialize a jQuery object + + +// A central reference to the root jQuery(document) +var rootjQuery, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, + + init = jQuery.fn.init = function( selector, context, root ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery; + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && + selector.length >= 3 ) { + + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [ null, selector, null ]; + + } else { + match = rquickExpr.exec( selector ); + } + + // Match html or make sure no context is specified for #id + if ( match && ( match[ 1 ] || !context ) ) { + + // HANDLE: $(html) -> $(array) + if ( match[ 1 ] ) { + context = context instanceof jQuery ? context[ 0 ] : context; + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge( this, jQuery.parseHTML( + match[ 1 ], + context && context.nodeType ? context.ownerDocument || context : document, + true + ) ); + + // HANDLE: $(html, props) + if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { + for ( match in context ) { + + // Properties of context are called as methods if possible + if ( isFunction( this[ match ] ) ) { + this[ match ]( context[ match ] ); + + // ...and otherwise set as attributes + } else { + this.attr( match, context[ match ] ); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById( match[ 2 ] ); + + if ( elem ) { + + // Inject the element directly into the jQuery object + this[ 0 ] = elem; + this.length = 1; + } + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || root ).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor( context ).find( selector ); + } + + // HANDLE: $(DOMElement) + } else if ( selector.nodeType ) { + this[ 0 ] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? + root.ready( selector ) : + + // Execute immediately if ready is not present + selector( jQuery ); + } + + return jQuery.makeArray( selector, this ); + }; + +// Give the init function the jQuery prototype for later instantiation +init.prototype = jQuery.fn; + +// Initialize central reference +rootjQuery = jQuery( document ); + + +var rparentsprev = /^(?:parents|prev(?:Until|All))/, + + // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + +jQuery.fn.extend( { + has: function( target ) { + var targets = jQuery( target, this ), + l = targets.length; + + return this.filter( function() { + var i = 0; + for ( ; i < l; i++ ) { + if ( jQuery.contains( this, targets[ i ] ) ) { + return true; + } + } + } ); + }, + + closest: function( selectors, context ) { + var cur, + i = 0, + l = this.length, + matched = [], + targets = typeof selectors !== "string" && jQuery( selectors ); + + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : + + // Don't pass non-elements to Sizzle + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { + + matched.push( cur ); + break; + } + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); + }, + + // Determine the position of an element within the set + index: function( elem ) { + + // No argument, return index in parent + if ( !elem ) { + return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; + } + + // Index in selector + if ( typeof elem === "string" ) { + return indexOf.call( jQuery( elem ), this[ 0 ] ); + } + + // Locate the position of the desired element + return indexOf.call( this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[ 0 ] : elem + ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge( this.get(), jQuery( selector, context ) ) + ) + ); + }, + + addBack: function( selector ) { + return this.add( selector == null ? + this.prevObject : this.prevObject.filter( selector ) + ); + } +} ); + +function sibling( cur, dir ) { + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} + return cur; +} + +jQuery.each( { + parent: function( elem ) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function( elem ) { + return dir( elem, "parentNode" ); + }, + parentsUntil: function( elem, _i, until ) { + return dir( elem, "parentNode", until ); + }, + next: function( elem ) { + return sibling( elem, "nextSibling" ); + }, + prev: function( elem ) { + return sibling( elem, "previousSibling" ); + }, + nextAll: function( elem ) { + return dir( elem, "nextSibling" ); + }, + prevAll: function( elem ) { + return dir( elem, "previousSibling" ); + }, + nextUntil: function( elem, _i, until ) { + return dir( elem, "nextSibling", until ); + }, + prevUntil: function( elem, _i, until ) { + return dir( elem, "previousSibling", until ); + }, + siblings: function( elem ) { + return siblings( ( elem.parentNode || {} ).firstChild, elem ); + }, + children: function( elem ) { + return siblings( elem.firstChild ); + }, + contents: function( elem ) { + if ( elem.contentDocument != null && + + // Support: IE 11+ + // elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); + } +}, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var matched = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + matched = jQuery.filter( selector, matched ); + } + + if ( this.length > 1 ) { + + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + jQuery.uniqueSort( matched ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + matched.reverse(); + } + } + + return this.pushStack( matched ); + }; +} ); +var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); + + + +// Convert String-formatted options into Object-formatted ones +function createOptions( options ) { + var object = {}; + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { + object[ flag ] = true; + } ); + return object; +} + +/* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ +jQuery.Callbacks = function( options ) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + createOptions( options ) : + jQuery.extend( {}, options ); + + var // Flag to know if list is currently firing + firing, + + // Last fire value for non-forgettable lists + memory, + + // Flag to know if list was already fired + fired, + + // Flag to prevent firing + locked, + + // Actual callback list + list = [], + + // Queue of execution data for repeatable lists + queue = [], + + // Index of currently firing callback (modified by add/remove as needed) + firingIndex = -1, + + // Fire callbacks + fire = function() { + + // Enforce single-firing + locked = locked || options.once; + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true; + for ( ; queue.length; firingIndex = -1 ) { + memory = queue.shift(); + while ( ++firingIndex < list.length ) { + + // Run callback and check for early termination + if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && + options.stopOnFalse ) { + + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length; + memory = false; + } + } + } + + // Forget the data if we're done with it + if ( !options.memory ) { + memory = false; + } + + firing = false; + + // Clean up if we're done firing for good + if ( locked ) { + + // Keep an empty list if we have data for future add calls + if ( memory ) { + list = []; + + // Otherwise, this object is spent + } else { + list = ""; + } + } + }, + + // Actual Callbacks object + self = { + + // Add a callback or a collection of callbacks to the list + add: function() { + if ( list ) { + + // If we have memory from a past run, we should fire after adding + if ( memory && !firing ) { + firingIndex = list.length - 1; + queue.push( memory ); + } + + ( function add( args ) { + jQuery.each( args, function( _, arg ) { + if ( isFunction( arg ) ) { + if ( !options.unique || !self.has( arg ) ) { + list.push( arg ); + } + } else if ( arg && arg.length && toType( arg ) !== "string" ) { + + // Inspect recursively + add( arg ); + } + } ); + } )( arguments ); + + if ( memory && !firing ) { + fire(); + } + } + return this; + }, + + // Remove a callback from the list + remove: function() { + jQuery.each( arguments, function( _, arg ) { + var index; + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + list.splice( index, 1 ); + + // Handle firing indexes + if ( index <= firingIndex ) { + firingIndex--; + } + } + } ); + return this; + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function( fn ) { + return fn ? + jQuery.inArray( fn, list ) > -1 : + list.length > 0; + }, + + // Remove all callbacks from the list + empty: function() { + if ( list ) { + list = []; + } + return this; + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function() { + locked = queue = []; + list = memory = ""; + return this; + }, + disabled: function() { + return !list; + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function() { + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; + } + return this; + }, + locked: function() { + return !!locked; + }, + + // Call all callbacks with the given context and arguments + fireWith: function( context, args ) { + if ( !locked ) { + args = args || []; + args = [ context, args.slice ? args.slice() : args ]; + queue.push( args ); + if ( !firing ) { + fire(); + } + } + return this; + }, + + // Call all the callbacks with the given arguments + fire: function() { + self.fireWith( this, arguments ); + return this; + }, + + // To know if the callbacks have already been called at least once + fired: function() { + return !!fired; + } + }; + + return self; +}; + + +function Identity( v ) { + return v; +} +function Thrower( ex ) { + throw ex; +} + +function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } +} + +jQuery.extend( { + + Deferred: function( func ) { + var tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] + ], + state = "pending", + promise = { + state: function() { + return state; + }, + always: function() { + deferred.done( arguments ).fail( arguments ); + return this; + }, + "catch": function( fn ) { + return promise.then( null, fn ); + }, + + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[ tuple[ 1 ] ]( function() { + var returned = fn && fn.apply( this, arguments ); + if ( returned && isFunction( returned.promise ) ) { + returned.promise() + .progress( newDefer.notify ) + .done( newDefer.resolve ) + .fail( newDefer.reject ); + } else { + newDefer[ tuple[ 0 ] + "With" ]( + this, + fn ? [ returned ] : arguments + ); + } + } ); + } ); + fns = null; + } ).promise(); + }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.stackTrace ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the stack, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getStackHook ) { + process.stackTrace = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function( obj ) { + return obj != null ? jQuery.extend( obj, promise ) : promise; + } + }, + deferred = {}; + + // Add list-specific methods + jQuery.each( tuples, function( i, tuple ) { + var list = tuple[ 2 ], + stateString = tuple[ 5 ]; + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[ tuple[ 1 ] ] = list.add; + + // Handle state + if ( stateString ) { + list.add( + function() { + + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[ tuple[ 0 ] ] = function() { + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); + return this; + }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[ tuple[ 0 ] + "With" ] = list.fireWith; + } ); + + // Make the deferred a promise + promise.promise( deferred ); + + // Call given func if any + if ( func ) { + func.call( deferred, deferred ); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), + resolveValues = slice.call( arguments ), + + // the primary Deferred + primary = jQuery.Deferred(), + + // subordinate callback factory + updateFunc = function( i ) { + return function( value ) { + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + primary.resolveWith( resolveContexts, resolveValues ); + } + }; + }; + + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, + !remaining ); + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( primary.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return primary.then(); + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); + } + + return primary.promise(); + } +} ); + + +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. +var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + +jQuery.Deferred.exceptionHook = function( error, stack ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); + } +}; + + + + +jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); +}; + + + + +// The deferred used on DOM ready +var readyList = jQuery.Deferred(); + +jQuery.fn.ready = function( fn ) { + + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); + + return this; +}; + +jQuery.extend( { + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function( wait ) { + + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); + } +} ); + +jQuery.ready.then = readyList.then; + +// The ready event handler and self cleanup method +function completed() { + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); +} + +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon +if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { + + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); + +} else { + + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); +} + + + + +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function +var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; + + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !isFunction( value ) ) { + raw = true; + } + + if ( bulk ) { + + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } + + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); + } + } + } + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; +}; + + +// Matches dashed string for camelizing +var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; + +// Used by camelCase as callback to replace() +function fcamelCase( _all, letter ) { + return letter.toUpperCase(); +} + +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (#9572) +function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); +} +var acceptData = function( owner ) { + + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); +}; + + + + +function Data() { + this.expando = jQuery.expando + Data.uid++; +} + +Data.uid = 1; + +Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see #8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } +}; +var dataPriv = new Data(); + +var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + +var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /[A-Z]/g; + +function getData( data ) { + if ( data === "true" ) { + return true; + } + + if ( data === "false" ) { + return false; + } + + if ( data === "null" ) { + return null; + } + + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } + + if ( rbrace.test( data ) ) { + return JSON.parse( data ); + } + + return data; +} + +function dataAttr( elem, key, data ) { + var name; + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); + + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} + + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); + } else { + data = undefined; + } + } + return data; +} + +jQuery.extend( { + hasData: function( elem ) { + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); + }, + + data: function( elem, name, data ) { + return dataUser.access( elem, name, data ); + }, + + removeData: function( elem, name ) { + dataUser.remove( elem, name ); + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function( elem, name, data ) { + return dataPriv.access( elem, name, data ); + }, + + _removeData: function( elem, name ) { + dataPriv.remove( elem, name ); + } +} ); + +jQuery.fn.extend( { + data: function( key, value ) { + var i, name, data, + elem = this[ 0 ], + attrs = elem && elem.attributes; + + // Gets all values + if ( key === undefined ) { + if ( this.length ) { + data = dataUser.get( elem ); + + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { + i = attrs.length; + while ( i-- ) { + + // Support: IE 11 only + // The attrs elements can be null (#14894) + if ( attrs[ i ] ) { + name = attrs[ i ].name; + if ( name.indexOf( "data-" ) === 0 ) { + name = camelCase( name.slice( 5 ) ); + dataAttr( elem, name, data[ name ] ); + } + } + } + dataPriv.set( elem, "hasDataAttrs", true ); + } + } + + return data; + } + + // Sets multiple values + if ( typeof key === "object" ) { + return this.each( function() { + dataUser.set( this, key ); + } ); + } + + return access( this, function( value ) { + var data; + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... + this.each( function() { + + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); + }, + + removeData: function( key ) { + return this.each( function() { + dataUser.remove( this, key ); + } ); + } +} ); + + +jQuery.extend( { + queue: function( elem, type, data ) { + var queue; + + if ( elem ) { + type = ( type || "fx" ) + "queue"; + queue = dataPriv.get( elem, type ); + + // Speed up dequeue by getting out quickly if this is just a lookup + if ( data ) { + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); + } else { + queue.push( data ); + } + } + return queue || []; + } + }, + + dequeue: function( elem, type ) { + type = type || "fx"; + + var queue = jQuery.queue( elem, type ), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if ( fn === "inprogress" ) { + fn = queue.shift(); + startLength--; + } + + if ( fn ) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if ( type === "fx" ) { + queue.unshift( "inprogress" ); + } + + // Clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); + } + + if ( !startLength && hooks ) { + hooks.empty.fire(); + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { + empty: jQuery.Callbacks( "once memory" ).add( function() { + dataPriv.remove( elem, [ type + "queue", key ] ); + } ) + } ); + } +} ); + +jQuery.fn.extend( { + queue: function( type, data ) { + var setter = 2; + + if ( typeof type !== "string" ) { + data = type; + type = "fx"; + setter--; + } + + if ( arguments.length < setter ) { + return jQuery.queue( this[ 0 ], type ); + } + + return data === undefined ? + this : + this.each( function() { + var queue = jQuery.queue( this, type, data ); + + // Ensure a hooks for this queue + jQuery._queueHooks( this, type ); + + if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { + jQuery.dequeue( this, type ); + } + } ); + }, + dequeue: function( type ) { + return this.each( function() { + jQuery.dequeue( this, type ); + } ); + }, + clearQueue: function( type ) { + return this.queue( type || "fx", [] ); + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function( type, obj ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + + if ( typeof type !== "string" ) { + obj = type; + type = undefined; + } + type = type || "fx"; + + while ( i-- ) { + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); + if ( tmp && tmp.empty ) { + count++; + tmp.empty.add( resolve ); + } + } + resolve(); + return defer.promise( obj ); + } +} ); +var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; + +var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); + + +var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; + +var documentElement = document.documentElement; + + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } +var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; + }; + + + +function adjustCSS( elem, prop, valueParts, tween ) { + var adjusted, scale, + maxIterations = 20, + currentValue = tween ? + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, + initial = currentValue(), + unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + + // Starting value computation is required for potential unit mismatches + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + rcssNum.exec( jQuery.css( elem, prop ) ); + + if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[ 3 ]; + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1; + + while ( maxIterations-- ) { + + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; + + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; + } + + if ( valueParts ) { + initialInUnit = +initialInUnit || +initial || 0; + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[ 1 ] ? + initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : + +valueParts[ 2 ]; + if ( tween ) { + tween.unit = unit; + tween.start = initialInUnit; + tween.end = adjusted; + } + } + return adjusted; +} + + +var defaultDisplayMap = {}; + +function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; +} + +function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; + } + + display = elem.style.display; + if ( show ) { + + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } + } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; + + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } + + return elements; +} + +jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } +} ); +var rcheckableType = ( /^(?:checkbox|radio)$/i ); + +var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); + +var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); + + + +( function() { + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), + input = document.createElement( "input" ); + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (#11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (#14901) + input.setAttribute( "type", "radio" ); + input.setAttribute( "checked", "checked" ); + input.setAttribute( "name", "t" ); + + div.appendChild( input ); + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // Support: IE <=9 only + // IE <=9 replaces "; + support.option = !!div.lastChild; +} )(); + + +// We have to close these tags to support XHTML (#13200) +var wrapMap = { + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. + thead: [ 1, "", "
" ], + col: [ 2, "", "
" ], + tr: [ 2, "", "
" ], + td: [ 3, "", "
" ], + + _default: [ 0, "", "" ] +}; + +wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; +wrapMap.th = wrapMap.td; + +// Support: IE <=9 only +if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "" ]; +} + + +function getAll( context, tag ) { + + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (#15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; + } + + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; +} + + +// Mark scripts as having already been evaluated +function setGlobalEval( elems, refElements ) { + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], + "globalEval", + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) + ); + } +} + + +var rhtml = /<|&#?\w+;/; + +function buildFragment( elems, context, scripts, selection, ignored ) { + var elem, tmp, tag, wrap, attached, j, + fragment = context.createDocumentFragment(), + nodes = [], + i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( toType( elem ) === "object" ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); + + // Deserialize a standard representation + tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; + tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; + + // Descend through wrappers to the right content + j = wrap[ 0 ]; + while ( j-- ) { + tmp = tmp.lastChild; + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, tmp.childNodes ); + + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (#12392) + tmp.textContent = ""; + } + } + } + + // Remove wrapper from fragment + fragment.textContent = ""; + + i = 0; + while ( ( elem = nodes[ i++ ] ) ) { + + // Skip elements already in the context collection (trac-4087) + if ( selection && jQuery.inArray( elem, selection ) > -1 ) { + if ( ignored ) { + ignored.push( elem ); + } + continue; + } + + attached = isAttached( elem ); + + // Append to fragment + tmp = getAll( fragment.appendChild( elem ), "script" ); + + // Preserve script evaluation history + if ( attached ) { + setGlobalEval( tmp ); + } + + // Capture executables + if ( scripts ) { + j = 0; + while ( ( elem = tmp[ j++ ] ) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } + } + + return fragment; +} + + +var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; + +function returnTrue() { + return true; +} + +function returnFalse() { + return false; +} + +// Support: IE <=9 - 11+ +// focus() and blur() are asynchronous, except when they are no-op. +// So expect focus to be synchronous when the element is already active, +// and blur to be synchronous when the element is not already active. +// (focus and blur are always synchronous in other supported browsers, +// this just defines when we can count on it). +function expectSync( elem, type ) { + return ( elem === safeActiveElement() ) === ( type === "focus" ); +} + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} + +function on( elem, types, selector, data, fn, one ) { + var origFn, type; + + // Types can be a map of types/handlers + if ( typeof types === "object" ) { + + // ( types-Object, selector, data ) + if ( typeof selector !== "string" ) { + + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for ( type in types ) { + on( elem, type, selector, data, types[ type ], one ); + } + return elem; + } + + if ( data == null && fn == null ) { + + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if ( fn == null ) { + if ( typeof selector === "string" ) { + + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if ( fn === false ) { + fn = returnFalse; + } else if ( !fn ) { + return elem; + } + + if ( one === 1 ) { + origFn = fn; + fn = function( event ) { + + // Can use an empty set, since event contains the info + jQuery().off( event ); + return origFn.apply( this, arguments ); + }; + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); + } + return elem.each( function() { + jQuery.event.add( this, types, fn, data, selector ); + } ); +} + +/* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ +jQuery.event = { + + global: {}, + + add: function( elem, types, handler, data, selector ) { + + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if ( !( events = elemData.events ) ) { + events = elemData.events = Object.create( null ); + } + if ( !( eventHandle = elemData.handle ) ) { + eventHandle = elemData.handle = function( e ) { + + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; + }; + } + + // Handle multiple events separated by a space + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; + + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend( { + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test( selector ), + namespace: namespaces.join( "." ) + }, handleObjIn ); + + // Init the event handler queue if we're the first + if ( !( handlers = events[ type ] ) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener if the special events handler returns false + if ( !special.setup || + special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle ); + } + } + } + + if ( special.add ) { + special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if ( selector ) { + handlers.splice( handlers.delegateCount++, 0, handleObj ); + } else { + handlers.push( handleObj ); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[ type ] = true; + } + + }, + + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); + + if ( !elemData || !( events = elemData.events ) ) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // Unbind all events (on this namespace, if provided) for the element + if ( !type ) { + for ( type in events ) { + jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); + } + continue; + } + + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[ 2 ] && + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); + + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; + + if ( ( mappedTypes || origType === handleObj.origType ) && + ( !handler || handler.guid === handleObj.guid ) && + ( !tmp || tmp.test( handleObj.namespace ) ) && + ( !selector || selector === handleObj.selector || + selector === "**" && handleObj.selector ) ) { + handlers.splice( j, 1 ); + + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if ( origCount && !handlers.length ) { + if ( !special.teardown || + special.teardown.call( elem, namespaces, elemData.handle ) === false ) { + + jQuery.removeEvent( elem, type, elemData.handle ); + } + + delete events[ type ]; + } + } + + // Remove data and the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + dataPriv.remove( elem, "handle events" ); + } + }, + + dispatch: function( nativeEvent ) { + + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), + + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; + + j = 0; + while ( ( handleObj = matched.handlers[ j++ ] ) && + !event.isImmediatePropagationStopped() ) { + + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || + handleObj.handler ).apply( matched.elem, args ); + + if ( ret !== undefined ) { + if ( ( event.result = ret ) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); + } + + return event.result; + }, + + handlers: function( event, handlers ) { + var i, handleObj, sel, matchedHandlers, matchedSelectors, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + if ( delegateCount && + + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; + + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? + jQuery( sel, this ).index( cur ) > -1 : + jQuery.find( sel, this, null, [ cur ] ).length; + } + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); + } + } + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); + } + } + } + } + + // Add the remaining (directly-bound) handlers + cur = this; + if ( delegateCount < handlers.length ) { + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); + } + + return handlerQueue; + }, + + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, + + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, + + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); + } + } ); + }, + + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); + }, + + special: { + load: { + + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { + + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", returnTrue ); + } + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + leverageNative( el, "click" ); + } + + // Return non-false to allow normal event-path propagation + return true; + }, + + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function( event ) { + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); + } + }, + + beforeunload: { + postDispatch: function( event ) { + + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if ( event.result !== undefined && event.originalEvent ) { + event.originalEvent.returnValue = event.result; + } + } + } + } +}; + +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. +function leverageNative( el, type, expectSync ) { + + // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add + if ( !expectSync ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); + } + return; + } + + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var notAsync, result, + saved = dataPriv.get( this, type ); + + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + // Saved data should be false in such cases, but might be a leftover capture object + // from an async native handler (gh-4350) + if ( !saved.length ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous + notAsync = expectSync( this, type ); + this[ type ](); + result = dataPriv.get( this, type ); + if ( saved !== result || notAsync ) { + dataPriv.set( this, type, false ); + } else { + result = {}; + } + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + + // Support: Chrome 86+ + // In Chrome, if an element having a focusout handler is blurred by + // clicking outside of it, it invokes the handler synchronously. If + // that handler calls `.remove()` on the element, the data is cleared, + // leaving `result` undefined. We need to guard against this. + return result && result.value; + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering the + // native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved.length ) { + + // ...and capture the result + dataPriv.set( this, type, { + value: jQuery.event.trigger( + + // Support: IE <=9 - 11+ + // Extend with the prototype to reset the above stopImmediatePropagation() + jQuery.extend( saved[ 0 ], jQuery.Event.prototype ), + saved.slice( 1 ), + this + ) + } ); + + // Abort handling of the native event + event.stopImmediatePropagation(); + } + } + } ); +} + +jQuery.removeEvent = function( elem, type, handle ) { + + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); + } +}; + +jQuery.Event = function( src, props ) { + + // Allow instantiation without the 'new' keyword + if ( !( this instanceof jQuery.Event ) ) { + return new jQuery.Event( src, props ); + } + + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false ? + returnTrue : + returnFalse; + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (#504, #13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; + + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; + + // Event type + } else { + this.type = src; + } + + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now(); + + // Mark it as fixed + this[ jQuery.expando ] = true; +}; + +// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html +jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, + + preventDefault: function() { + var e = this.originalEvent; + + this.isDefaultPrevented = returnTrue; + + if ( e && !this.isSimulated ) { + e.preventDefault(); + } + }, + stopPropagation: function() { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopPropagation(); + } + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopImmediatePropagation(); + } + + this.stopPropagation(); + } +}; + +// Includes all common event props including KeyEvent and MouseEvent specific props +jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + which: true +}, jQuery.event.addProp ); + +jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + jQuery.event.special[ type ] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { + + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, expectSync ); + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + // Suppress native focus or blur as it's already being fired + // in leverageNative. + _default: function() { + return true; + }, + + delegateType: delegateType + }; +} ); + +// Create mouseenter/leave events using mouseover/out and event-time checks +// so that event delegation works in jQuery. +// Do the same for pointerenter/pointerleave and pointerover/pointerout +// +// Support: Safari 7 only +// Safari sends mouseenter too often; see: +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 +// for the description of the bug (it existed in older Chrome versions as well). +jQuery.each( { + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" +}, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, + + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { + event.type = handleObj.origType; + ret = handleObj.handler.apply( this, arguments ); + event.type = fix; + } + return ret; + } + }; +} ); + +jQuery.fn.extend( { + + on: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn ); + }, + one: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn, 1 ); + }, + off: function( types, selector, fn ) { + var handleObj, type; + if ( types && types.preventDefault && types.handleObj ) { + + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery( types.delegateTarget ).off( + handleObj.namespace ? + handleObj.origType + "." + handleObj.namespace : + handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if ( typeof types === "object" ) { + + // ( types-object [, selector] ) + for ( type in types ) { + this.off( type, selector, types[ type ] ); + } + return this; + } + if ( selector === false || typeof selector === "function" ) { + + // ( types [, fn] ) + fn = selector; + selector = undefined; + } + if ( fn === false ) { + fn = returnFalse; + } + return this.each( function() { + jQuery.event.remove( this, types, fn, selector ); + } ); + } +} ); + + +var + + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + rnoInnerhtml = /\s*$/g; + +// Prefer a tbody over its parent table for containing new rows +function manipulationTarget( elem, content ) { + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { + + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } + + return elem; +} + +// Replace/restore the type attribute of script elements for safe DOM manipulation +function disableScript( elem ) { + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; + return elem; +} +function restoreScript( elem ) { + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); + } else { + elem.removeAttribute( "type" ); + } + + return elem; +} + +function cloneCopyEvent( src, dest ) { + var i, l, type, pdataOld, udataOld, udataCur, events; + + if ( dest.nodeType !== 1 ) { + return; + } + + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; + + if ( events ) { + dataPriv.remove( dest, "handle events" ); + + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } + } + } + } + + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); + + dataUser.set( dest, udataCur ); + } +} + +// Fix IE bugs, see support tests +function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); + + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; + + // Fails to return the selected option to the default selected state when cloning options + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; + } +} + +function domManip( collection, args, callback, ignored ) { + + // Flatten any nested arrays + args = flat( args ); + + var fragment, first, scripts, hasScripts, node, doc, + i = 0, + l = collection.length, + iNoClone = l - 1, + value = args[ 0 ], + valueIsFunction = isFunction( value ); + + // We can't cloneNode fragments that contain checked, in WebKit + if ( valueIsFunction || + ( l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test( value ) ) ) { + return collection.each( function( index ) { + var self = collection.eq( index ); + if ( valueIsFunction ) { + args[ 0 ] = value.call( this, index, self.html() ); + } + domManip( self, args, callback, ignored ); + } ); + } + + if ( l ) { + fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); + first = fragment.firstChild; + + if ( fragment.childNodes.length === 1 ) { + fragment = first; + } + + // Require either new content or an interest in ignored elements to invoke the callback + if ( first || ignored ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; + + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for ( ; i < l; i++ ) { + node = fragment; + + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); + + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } + + callback.call( collection[ i ], node, i ); + } + + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; + + // Reenable scripts + jQuery.map( scripts, restoreScript ); + + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !dataPriv.access( node, "globalEval" ) && + jQuery.contains( doc, node ) ) { + + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { + + // Optional AJAX dependency, but won't run scripts if not present + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); + } + } else { + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); + } + } + } + } + } + } + + return collection; +} + +function remove( elem, selector, keepData ) { + var node, + nodes = selector ? jQuery.filter( selector, elem ) : elem, + i = 0; + + for ( ; ( node = nodes[ i ] ) != null; i++ ) { + if ( !keepData && node.nodeType === 1 ) { + jQuery.cleanData( getAll( node ) ); + } + + if ( node.parentNode ) { + if ( keepData && isAttached( node ) ) { + setGlobalEval( getAll( node, "script" ) ); + } + node.parentNode.removeChild( node ); + } + } + + return elem; +} + +jQuery.extend( { + htmlPrefilter: function( html ) { + return html; + }, + + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); + + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { + + // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); + } + } + + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + } + } else { + cloneCopyEvent( elem, clone ); + } + } + + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); + } + + // Return the cloned set + return clone; + }, + + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; + + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } + } + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; + } + } + } + } +} ); + +jQuery.fn.extend( { + detach: function( selector ) { + return remove( this, selector, true ); + }, + + remove: function( selector ) { + return remove( this, selector ); + }, + + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); + }, null, value, arguments.length ); + }, + + append: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.appendChild( elem ); + } + } ); + }, + + prepend: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.insertBefore( elem, target.firstChild ); + } + } ); + }, + + before: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + } ); + }, + + after: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + } ); + }, + + empty: function() { + var elem, + i = 0; + + for ( ; ( elem = this[ i ] ) != null; i++ ) { + if ( elem.nodeType === 1 ) { + + // Prevent memory leaks + jQuery.cleanData( getAll( elem, false ) ); + + // Remove any remaining nodes + elem.textContent = ""; + } + } + + return this; + }, + + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + + return this.map( function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + } ); + }, + + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; + + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; + } + + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { + + value = jQuery.htmlPrefilter( value ); + + try { + for ( ; i < l; i++ ) { + elem = this[ i ] || {}; + + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } + + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch ( e ) {} + } + + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, + + replaceWith: function() { + var ignored = []; + + // Make the changes, replacing each non-ignored context element with the new content + return domManip( this, arguments, function( elem ) { + var parent = this.parentNode; + + if ( jQuery.inArray( this, ignored ) < 0 ) { + jQuery.cleanData( getAll( this ) ); + if ( parent ) { + parent.replaceChild( elem, this ); + } + } + + // Force callback invocation + }, ignored ); + } +} ); + +jQuery.each( { + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" +}, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + ret = [], + insert = jQuery( selector ), + last = insert.length - 1, + i = 0; + + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone( true ); + jQuery( insert[ i ] )[ original ]( elems ); + + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply( ret, elems.get() ); + } + + return this.pushStack( ret ); + }; +} ); +var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); + +var getStyles = function( elem ) { + + // Support: IE <=11 only, Firefox <=30 (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + var view = elem.ownerDocument.defaultView; + + if ( !view || !view.opener ) { + view = window; + } + + return view.getComputedStyle( elem ); + }; + +var swap = function( elem, options, callback ) { + var ret, name, + old = {}; + + // Remember the old values, and insert the new ones + for ( name in options ) { + old[ name ] = elem.style[ name ]; + elem.style[ name ] = options[ name ]; + } + + ret = callback.call( elem ); + + // Revert the old values + for ( name in options ) { + elem.style[ name ] = old[ name ]; + } + + return ret; +}; + + +var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); + + + +( function() { + + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests() { + + // This is a singleton, we need to execute it only once + if ( !div ) { + return; + } + + container.style.cssText = "position:absolute;left:-11111px;width:60px;" + + "margin-top:1px;padding:0;border:0"; + div.style.cssText = + "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + + "margin:auto;border:1px;padding:1px;" + + "width:60%;top:1%"; + documentElement.appendChild( container ).appendChild( div ); + + var divStyle = window.getComputedStyle( div ); + pixelPositionVal = divStyle.top !== "1%"; + + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; + + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = "60%"; + pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; + + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; + + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = "absolute"; + scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; + + documentElement.removeChild( container ); + + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null; + } + + function roundPixelMeasures( measure ) { + return Math.round( parseFloat( measure ) ); + } + + var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, + reliableTrDimensionsVal, reliableMarginLeftVal, + container = document.createElement( "div" ), + div = document.createElement( "div" ); + + // Finish early in limited (non-browser) environments + if ( !div.style ) { + return; + } + + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip = "content-box"; + div.cloneNode( true ).style.backgroundClip = ""; + support.clearCloneStyle = div.style.backgroundClip === "content-box"; + + jQuery.extend( support, { + boxSizingReliable: function() { + computeStyleTests(); + return boxSizingReliableVal; + }, + pixelBoxStyles: function() { + computeStyleTests(); + return pixelBoxStylesVal; + }, + pixelPosition: function() { + computeStyleTests(); + return pixelPositionVal; + }, + reliableMarginLeft: function() { + computeStyleTests(); + return reliableMarginLeftVal; + }, + scrollboxSize: function() { + computeStyleTests(); + return scrollboxSizeVal; + }, + + // Support: IE 9 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Behavior in IE 9 is more subtle than in newer versions & it passes + // some versions of this test; make sure not to make it pass there! + // + // Support: Firefox 70+ + // Only Firefox includes border widths + // in computed dimensions. (gh-4529) + reliableTrDimensions: function() { + var table, tr, trChild, trStyle; + if ( reliableTrDimensionsVal == null ) { + table = document.createElement( "table" ); + tr = document.createElement( "tr" ); + trChild = document.createElement( "div" ); + + table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate"; + tr.style.cssText = "border:1px solid"; + + // Support: Chrome 86+ + // Height set through cssText does not get applied. + // Computed height then comes back as 0. + tr.style.height = "1px"; + trChild.style.height = "9px"; + + // Support: Android 8 Chrome 86+ + // In our bodyBackground.html iframe, + // display for all div elements is set to "inline", + // which causes a problem only in Android 8 Chrome 86. + // Ensuring the div is display: block + // gets around this issue. + trChild.style.display = "block"; + + documentElement + .appendChild( table ) + .appendChild( tr ) + .appendChild( trChild ); + + trStyle = window.getComputedStyle( tr ); + reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) + + parseInt( trStyle.borderTopWidth, 10 ) + + parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight; + + documentElement.removeChild( table ); + } + return reliableTrDimensionsVal; + } + } ); +} )(); + + +function curCSS( elem, name, computed ) { + var width, minWidth, maxWidth, ret, + + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + style = elem.style; + + computed = computed || getStyles( elem ); + + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, #12537) + // .css('--customProperty) (#3144) + if ( computed ) { + ret = computed.getPropertyValue( name ) || computed[ name ]; + + if ( ret === "" && !isAttached( elem ) ) { + ret = jQuery.style( elem, name ); + } + + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { + + // Remember the original values + width = style.width; + minWidth = style.minWidth; + maxWidth = style.maxWidth; + + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret; + ret = computed.width; + + // Revert the changed values + style.width = width; + style.minWidth = minWidth; + style.maxWidth = maxWidth; + } + } + + return ret !== undefined ? + + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ret + "" : + ret; +} + + +function addGetHookIf( conditionFn, hookFn ) { + + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function() { + if ( conditionFn() ) { + + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get; + return; + } + + // Hook needed; redefine it so that the support test is not executed again. + return ( this.get = hookFn ).apply( this, arguments ); + } + }; +} + + +var cssPrefixes = [ "Webkit", "Moz", "ms" ], + emptyStyle = document.createElement( "div" ).style, + vendorProps = {}; + +// Return a vendor-prefixed property or undefined +function vendorPropName( name ) { + + // Check for vendor prefixed names + var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), + i = cssPrefixes.length; + + while ( i-- ) { + name = cssPrefixes[ i ] + capName; + if ( name in emptyStyle ) { + return name; + } + } +} + +// Return a potentially-mapped jQuery.cssProps or vendor prefixed property +function finalPropName( name ) { + var final = jQuery.cssProps[ name ] || vendorProps[ name ]; + + if ( final ) { + return final; + } + if ( name in emptyStyle ) { + return name; + } + return vendorProps[ name ] = vendorPropName( name ) || name; +} + + +var + + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/, + rcustomProp = /^--/, + cssShow = { position: "absolute", visibility: "hidden", display: "block" }, + cssNormalTransform = { + letterSpacing: "0", + fontWeight: "400" + }; + +function setPositiveNumber( _elem, value, subtract ) { + + // Any relative (+/-) values have already been + // normalized at this point + var matches = rcssNum.exec( value ); + return matches ? + + // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : + value; +} + +function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { + var i = dimension === "width" ? 1 : 0, + extra = 0, + delta = 0; + + // Adjustment may not be necessary + if ( box === ( isBorderBox ? "border" : "content" ) ) { + return 0; + } + + for ( ; i < 4; i += 2 ) { + + // Both box models exclude margin + if ( box === "margin" ) { + delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); + } + + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if ( !isBorderBox ) { + + // Add padding + delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + + // For "border" or "margin", add border + if ( box !== "padding" ) { + delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + + // But still keep track of it otherwise + } else { + extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { + + // For "content", subtract padding + if ( box === "content" ) { + delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + } + + // For "content" or "padding", subtract border + if ( box !== "margin" ) { + delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + } + } + + // Account for positive content-box scroll gutter when requested by providing computedVal + if ( !isBorderBox && computedVal >= 0 ) { + + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max( 0, Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + computedVal - + delta - + extra - + 0.5 + + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + ) ) || 0; + } + + return delta; +} + +function getWidthOrHeight( elem, dimension, extra ) { + + // Start with computed style + var styles = getStyles( elem ), + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + boxSizingNeeded = !support.boxSizingReliable() || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + valueIsBorderBox = isBorderBox, + + val = curCSS( elem, dimension, styles ), + offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); + + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if ( rnumnonpx.test( val ) ) { + if ( !extra ) { + return val; + } + val = "auto"; + } + + + // Support: IE 9 - 11 only + // Use offsetWidth/offsetHeight for when box sizing is unreliable. + // In those cases, the computed value can be trusted to be border-box. + if ( ( !support.boxSizingReliable() && isBorderBox || + + // Support: IE 10 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Interestingly, in some cases IE 9 doesn't suffer from this issue. + !support.reliableTrDimensions() && nodeName( elem, "tr" ) || + + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + val === "auto" || + + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && + + // Make sure the element is visible & connected + elem.getClientRects().length ) { + + isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; + + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem; + if ( valueIsBorderBox ) { + val = elem[ offsetProp ]; + } + } + + // Normalize "" and auto + val = parseFloat( val ) || 0; + + // Adjust for the element's box model + return ( val + + boxModelAdjustment( + elem, + dimension, + extra || ( isBorderBox ? "border" : "content" ), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + "px"; +} + +jQuery.extend( { + + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function( elem, computed ) { + if ( computed ) { + + // We should always get a number back from opacity + var ret = curCSS( elem, "opacity" ); + return ret === "" ? "1" : ret; + } + } + } + }, + + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + "animationIterationCount": true, + "columnCount": true, + "fillOpacity": true, + "flexGrow": true, + "flexShrink": true, + "fontWeight": true, + "gridArea": true, + "gridColumn": true, + "gridColumnEnd": true, + "gridColumnStart": true, + "gridRow": true, + "gridRowEnd": true, + "gridRowStart": true, + "lineHeight": true, + "opacity": true, + "order": true, + "orphans": true, + "widows": true, + "zIndex": true, + "zoom": true + }, + + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, + + // Get and set the style property on a DOM Node + style: function( elem, name, value, extra ) { + + // Don't set styles on text and comment nodes + if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { + return; + } + + // Make sure that we're working with the right name + var ret, type, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ), + style = elem.style; + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // Check if we're setting a value + if ( value !== undefined ) { + type = typeof value; + + // Convert "+=" or "-=" to relative numbers (#7345) + if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { + value = adjustCSS( elem, name, ret ); + + // Fixes bug #9237 + type = "number"; + } + + // Make sure that null and NaN values aren't set (#7116) + if ( value == null || value !== value ) { + return; + } + + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if ( type === "number" && !isCustomProp ) { + value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); + } + + // background-* props affect original clone's values + if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { + style[ name ] = "inherit"; + } + + // If a hook was provided, use that value, otherwise just set the specified value + if ( !hooks || !( "set" in hooks ) || + ( value = hooks.set( elem, value, extra ) ) !== undefined ) { + + if ( isCustomProp ) { + style.setProperty( name, value ); + } else { + style[ name ] = value; + } + } + + } else { + + // If a hook was provided get the non-computed value from there + if ( hooks && "get" in hooks && + ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { + + return ret; + } + + // Otherwise just get the value from the style object + return style[ name ]; + } + }, + + css: function( elem, name, extra, styles ) { + var val, num, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ); + + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // If a hook was provided get the computed value from there + if ( hooks && "get" in hooks ) { + val = hooks.get( elem, true, extra ); + } + + // Otherwise, if a way to get the computed value exists, use that + if ( val === undefined ) { + val = curCSS( elem, name, styles ); + } + + // Convert "normal" to computed value + if ( val === "normal" && name in cssNormalTransform ) { + val = cssNormalTransform[ name ]; + } + + // Make numeric if forced or a qualifier was provided and val looks numeric + if ( extra === "" || extra ) { + num = parseFloat( val ); + return extra === true || isFinite( num ) ? num || 0 : val; + } + + return val; + } +} ); + +jQuery.each( [ "height", "width" ], function( _i, dimension ) { + jQuery.cssHooks[ dimension ] = { + get: function( elem, computed, extra ) { + if ( computed ) { + + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test( jQuery.css( elem, "display" ) ) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? + swap( elem, cssShow, function() { + return getWidthOrHeight( elem, dimension, extra ); + } ) : + getWidthOrHeight( elem, dimension, extra ); + } + }, + + set: function( elem, value, extra ) { + var matches, + styles = getStyles( elem ), + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === "absolute", + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + boxSizingNeeded = scrollboxSizeBuggy || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + subtract = extra ? + boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) : + 0; + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if ( isBorderBox && scrollboxSizeBuggy ) { + subtract -= Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + parseFloat( styles[ dimension ] ) - + boxModelAdjustment( elem, dimension, "border", false, styles ) - + 0.5 + ); + } + + // Convert to pixels if value adjustment is needed + if ( subtract && ( matches = rcssNum.exec( value ) ) && + ( matches[ 3 ] || "px" ) !== "px" ) { + + elem.style[ dimension ] = value; + value = jQuery.css( elem, dimension ); + } + + return setPositiveNumber( elem, value, subtract ); + } + }; +} ); + +jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, + function( elem, computed ) { + if ( computed ) { + return ( parseFloat( curCSS( elem, "marginLeft" ) ) || + elem.getBoundingClientRect().left - + swap( elem, { marginLeft: 0 }, function() { + return elem.getBoundingClientRect().left; + } ) + ) + "px"; + } + } +); + +// These hooks are used by animate to expand properties +jQuery.each( { + margin: "", + padding: "", + border: "Width" +}, function( prefix, suffix ) { + jQuery.cssHooks[ prefix + suffix ] = { + expand: function( value ) { + var i = 0, + expanded = {}, + + // Assumes a single number if not a string + parts = typeof value === "string" ? value.split( " " ) : [ value ]; + + for ( ; i < 4; i++ ) { + expanded[ prefix + cssExpand[ i ] + suffix ] = + parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; + } + + return expanded; + } + }; + + if ( prefix !== "margin" ) { + jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; + } +} ); + +jQuery.fn.extend( { + css: function( name, value ) { + return access( this, function( elem, name, value ) { + var styles, len, + map = {}, + i = 0; + + if ( Array.isArray( name ) ) { + styles = getStyles( elem ); + len = name.length; + + for ( ; i < len; i++ ) { + map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); + } + + return map; + } + + return value !== undefined ? + jQuery.style( elem, name, value ) : + jQuery.css( elem, name ); + }, name, value, arguments.length > 1 ); + } +} ); + + +function Tween( elem, options, prop, end, easing ) { + return new Tween.prototype.init( elem, options, prop, end, easing ); +} +jQuery.Tween = Tween; + +Tween.prototype = { + constructor: Tween, + init: function( elem, options, prop, end, easing, unit ) { + this.elem = elem; + this.prop = prop; + this.easing = easing || jQuery.easing._default; + this.options = options; + this.start = this.now = this.cur(); + this.end = end; + this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); + }, + cur: function() { + var hooks = Tween.propHooks[ this.prop ]; + + return hooks && hooks.get ? + hooks.get( this ) : + Tween.propHooks._default.get( this ); + }, + run: function( percent ) { + var eased, + hooks = Tween.propHooks[ this.prop ]; + + if ( this.options.duration ) { + this.pos = eased = jQuery.easing[ this.easing ]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ); + } else { + this.pos = eased = percent; + } + this.now = ( this.end - this.start ) * eased + this.start; + + if ( this.options.step ) { + this.options.step.call( this.elem, this.now, this ); + } + + if ( hooks && hooks.set ) { + hooks.set( this ); + } else { + Tween.propHooks._default.set( this ); + } + return this; + } +}; + +Tween.prototype.init.prototype = Tween.prototype; + +Tween.propHooks = { + _default: { + get: function( tween ) { + var result; + + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if ( tween.elem.nodeType !== 1 || + tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { + return tween.elem[ tween.prop ]; + } + + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css( tween.elem, tween.prop, "" ); + + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === "auto" ? 0 : result; + }, + set: function( tween ) { + + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if ( jQuery.fx.step[ tween.prop ] ) { + jQuery.fx.step[ tween.prop ]( tween ); + } else if ( tween.elem.nodeType === 1 && ( + jQuery.cssHooks[ tween.prop ] || + tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { + jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); + } else { + tween.elem[ tween.prop ] = tween.now; + } + } + } +}; + +// Support: IE <=9 only +// Panic based approach to setting things on disconnected nodes +Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function( tween ) { + if ( tween.elem.nodeType && tween.elem.parentNode ) { + tween.elem[ tween.prop ] = tween.now; + } + } +}; + +jQuery.easing = { + linear: function( p ) { + return p; + }, + swing: function( p ) { + return 0.5 - Math.cos( p * Math.PI ) / 2; + }, + _default: "swing" +}; + +jQuery.fx = Tween.prototype.init; + +// Back compat <1.8 extension point +jQuery.fx.step = {}; + + + + +var + fxNow, inProgress, + rfxtypes = /^(?:toggle|show|hide)$/, + rrun = /queueHooks$/; + +function schedule() { + if ( inProgress ) { + if ( document.hidden === false && window.requestAnimationFrame ) { + window.requestAnimationFrame( schedule ); + } else { + window.setTimeout( schedule, jQuery.fx.interval ); + } + + jQuery.fx.tick(); + } +} + +// Animations created synchronously will run synchronously +function createFxNow() { + window.setTimeout( function() { + fxNow = undefined; + } ); + return ( fxNow = Date.now() ); +} + +// Generate parameters to create a standard animation +function genFx( type, includeWidth ) { + var which, + i = 0, + attrs = { height: type }; + + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0; + for ( ; i < 4; i += 2 - includeWidth ) { + which = cssExpand[ i ]; + attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; + } + + if ( includeWidth ) { + attrs.opacity = attrs.width = type; + } + + return attrs; +} + +function createTween( value, prop, animation ) { + var tween, + collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), + index = 0, + length = collection.length; + for ( ; index < length; index++ ) { + if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { + + // We're done with this property + return tween; + } + } +} + +function defaultPrefilter( elem, props, opts ) { + var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, + isBox = "width" in props || "height" in props, + anim = this, + orig = {}, + style = elem.style, + hidden = elem.nodeType && isHiddenWithinTree( elem ), + dataShow = dataPriv.get( elem, "fxshow" ); + + // Queue-skipping animations hijack the fx hooks + if ( !opts.queue ) { + hooks = jQuery._queueHooks( elem, "fx" ); + if ( hooks.unqueued == null ) { + hooks.unqueued = 0; + oldfire = hooks.empty.fire; + hooks.empty.fire = function() { + if ( !hooks.unqueued ) { + oldfire(); + } + }; + } + hooks.unqueued++; + + anim.always( function() { + + // Ensure the complete handler is called before this completes + anim.always( function() { + hooks.unqueued--; + if ( !jQuery.queue( elem, "fx" ).length ) { + hooks.empty.fire(); + } + } ); + } ); + } + + // Detect show/hide animations + for ( prop in props ) { + value = props[ prop ]; + if ( rfxtypes.test( value ) ) { + delete props[ prop ]; + toggle = toggle || value === "toggle"; + if ( value === ( hidden ? "hide" : "show" ) ) { + + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { + hidden = true; + + // Ignore all other no-op show/hide data + } else { + continue; + } + } + orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); + } + } + + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject( props ); + if ( !propTween && jQuery.isEmptyObject( orig ) ) { + return; + } + + // Restrict "overflow" and "display" styles during box animations + if ( isBox && elem.nodeType === 1 ) { + + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; + + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display; + if ( restoreDisplay == null ) { + restoreDisplay = dataPriv.get( elem, "display" ); + } + display = jQuery.css( elem, "display" ); + if ( display === "none" ) { + if ( restoreDisplay ) { + display = restoreDisplay; + } else { + + // Get nonempty value(s) by temporarily forcing visibility + showHide( [ elem ], true ); + restoreDisplay = elem.style.display || restoreDisplay; + display = jQuery.css( elem, "display" ); + showHide( [ elem ] ); + } + } + + // Animate inline elements as inline-block + if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { + if ( jQuery.css( elem, "float" ) === "none" ) { + + // Restore the original display value at the end of pure show/hide animations + if ( !propTween ) { + anim.done( function() { + style.display = restoreDisplay; + } ); + if ( restoreDisplay == null ) { + display = style.display; + restoreDisplay = display === "none" ? "" : display; + } + } + style.display = "inline-block"; + } + } + } + + if ( opts.overflow ) { + style.overflow = "hidden"; + anim.always( function() { + style.overflow = opts.overflow[ 0 ]; + style.overflowX = opts.overflow[ 1 ]; + style.overflowY = opts.overflow[ 2 ]; + } ); + } + + // Implement show/hide animations + propTween = false; + for ( prop in orig ) { + + // General show/hide setup for this element animation + if ( !propTween ) { + if ( dataShow ) { + if ( "hidden" in dataShow ) { + hidden = dataShow.hidden; + } + } else { + dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); + } + + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if ( toggle ) { + dataShow.hidden = !hidden; + } + + // Show elements before animating them + if ( hidden ) { + showHide( [ elem ], true ); + } + + /* eslint-disable no-loop-func */ + + anim.done( function() { + + /* eslint-enable no-loop-func */ + + // The final step of a "hide" animation is actually hiding the element + if ( !hidden ) { + showHide( [ elem ] ); + } + dataPriv.remove( elem, "fxshow" ); + for ( prop in orig ) { + jQuery.style( elem, prop, orig[ prop ] ); + } + } ); + } + + // Per-property setup + propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); + if ( !( prop in dataShow ) ) { + dataShow[ prop ] = propTween.start; + if ( hidden ) { + propTween.end = propTween.start; + propTween.start = 0; + } + } + } +} + +function propFilter( props, specialEasing ) { + var index, name, easing, value, hooks; + + // camelCase, specialEasing and expand cssHook pass + for ( index in props ) { + name = camelCase( index ); + easing = specialEasing[ name ]; + value = props[ index ]; + if ( Array.isArray( value ) ) { + easing = value[ 1 ]; + value = props[ index ] = value[ 0 ]; + } + + if ( index !== name ) { + props[ name ] = value; + delete props[ index ]; + } + + hooks = jQuery.cssHooks[ name ]; + if ( hooks && "expand" in hooks ) { + value = hooks.expand( value ); + delete props[ name ]; + + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for ( index in value ) { + if ( !( index in props ) ) { + props[ index ] = value[ index ]; + specialEasing[ index ] = easing; + } + } + } else { + specialEasing[ name ] = easing; + } + } +} + +function Animation( elem, properties, options ) { + var result, + stopped, + index = 0, + length = Animation.prefilters.length, + deferred = jQuery.Deferred().always( function() { + + // Don't match elem in the :animated selector + delete tick.elem; + } ), + tick = function() { + if ( stopped ) { + return false; + } + var currentTime = fxNow || createFxNow(), + remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), + + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) + temp = remaining / animation.duration || 0, + percent = 1 - temp, + index = 0, + length = animation.tweens.length; + + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( percent ); + } + + deferred.notifyWith( elem, [ animation, percent, remaining ] ); + + // If there's more to do, yield + if ( percent < 1 && length ) { + return remaining; + } + + // If this was an empty animation, synthesize a final progress notification + if ( !length ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + } + + // Resolve the animation and report its conclusion + deferred.resolveWith( elem, [ animation ] ); + return false; + }, + animation = deferred.promise( { + elem: elem, + props: jQuery.extend( {}, properties ), + opts: jQuery.extend( true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options ), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function( prop, end ) { + var tween = jQuery.Tween( elem, animation.opts, prop, end, + animation.opts.specialEasing[ prop ] || animation.opts.easing ); + animation.tweens.push( tween ); + return tween; + }, + stop: function( gotoEnd ) { + var index = 0, + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + length = gotoEnd ? animation.tweens.length : 0; + if ( stopped ) { + return this; + } + stopped = true; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( 1 ); + } + + // Resolve when we played the last frame; otherwise, reject + if ( gotoEnd ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + deferred.resolveWith( elem, [ animation, gotoEnd ] ); + } else { + deferred.rejectWith( elem, [ animation, gotoEnd ] ); + } + return this; + } + } ), + props = animation.props; + + propFilter( props, animation.opts.specialEasing ); + + for ( ; index < length; index++ ) { + result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); + if ( result ) { + if ( isFunction( result.stop ) ) { + jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = + result.stop.bind( result ); + } + return result; + } + } + + jQuery.map( props, createTween, animation ); + + if ( isFunction( animation.opts.start ) ) { + animation.opts.start.call( elem, animation ); + } + + // Attach callbacks from options + animation + .progress( animation.opts.progress ) + .done( animation.opts.done, animation.opts.complete ) + .fail( animation.opts.fail ) + .always( animation.opts.always ); + + jQuery.fx.timer( + jQuery.extend( tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + } ) + ); + + return animation; +} + +jQuery.Animation = jQuery.extend( Animation, { + + tweeners: { + "*": [ function( prop, value ) { + var tween = this.createTween( prop, value ); + adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); + return tween; + } ] + }, + + tweener: function( props, callback ) { + if ( isFunction( props ) ) { + callback = props; + props = [ "*" ]; + } else { + props = props.match( rnothtmlwhite ); + } + + var prop, + index = 0, + length = props.length; + + for ( ; index < length; index++ ) { + prop = props[ index ]; + Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; + Animation.tweeners[ prop ].unshift( callback ); + } + }, + + prefilters: [ defaultPrefilter ], + + prefilter: function( callback, prepend ) { + if ( prepend ) { + Animation.prefilters.unshift( callback ); + } else { + Animation.prefilters.push( callback ); + } + } +} ); + +jQuery.speed = function( speed, easing, fn ) { + var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { + complete: fn || !fn && easing || + isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction( easing ) && easing + }; + + // Go to the end state if fx are off + if ( jQuery.fx.off ) { + opt.duration = 0; + + } else { + if ( typeof opt.duration !== "number" ) { + if ( opt.duration in jQuery.fx.speeds ) { + opt.duration = jQuery.fx.speeds[ opt.duration ]; + + } else { + opt.duration = jQuery.fx.speeds._default; + } + } + } + + // Normalize opt.queue - true/undefined/null -> "fx" + if ( opt.queue == null || opt.queue === true ) { + opt.queue = "fx"; + } + + // Queueing + opt.old = opt.complete; + + opt.complete = function() { + if ( isFunction( opt.old ) ) { + opt.old.call( this ); + } + + if ( opt.queue ) { + jQuery.dequeue( this, opt.queue ); + } + }; + + return opt; +}; + +jQuery.fn.extend( { + fadeTo: function( speed, to, easing, callback ) { + + // Show any hidden elements after setting opacity to 0 + return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() + + // Animate to the value specified + .end().animate( { opacity: to }, speed, easing, callback ); + }, + animate: function( prop, speed, easing, callback ) { + var empty = jQuery.isEmptyObject( prop ), + optall = jQuery.speed( speed, easing, callback ), + doAnimation = function() { + + // Operate on a copy of prop so per-property easing won't be lost + var anim = Animation( this, jQuery.extend( {}, prop ), optall ); + + // Empty animations, or finishing resolves immediately + if ( empty || dataPriv.get( this, "finish" ) ) { + anim.stop( true ); + } + }; + + doAnimation.finish = doAnimation; + + return empty || optall.queue === false ? + this.each( doAnimation ) : + this.queue( optall.queue, doAnimation ); + }, + stop: function( type, clearQueue, gotoEnd ) { + var stopQueue = function( hooks ) { + var stop = hooks.stop; + delete hooks.stop; + stop( gotoEnd ); + }; + + if ( typeof type !== "string" ) { + gotoEnd = clearQueue; + clearQueue = type; + type = undefined; + } + if ( clearQueue ) { + this.queue( type || "fx", [] ); + } + + return this.each( function() { + var dequeue = true, + index = type != null && type + "queueHooks", + timers = jQuery.timers, + data = dataPriv.get( this ); + + if ( index ) { + if ( data[ index ] && data[ index ].stop ) { + stopQueue( data[ index ] ); + } + } else { + for ( index in data ) { + if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { + stopQueue( data[ index ] ); + } + } + } + + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && + ( type == null || timers[ index ].queue === type ) ) { + + timers[ index ].anim.stop( gotoEnd ); + dequeue = false; + timers.splice( index, 1 ); + } + } + + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if ( dequeue || !gotoEnd ) { + jQuery.dequeue( this, type ); + } + } ); + }, + finish: function( type ) { + if ( type !== false ) { + type = type || "fx"; + } + return this.each( function() { + var index, + data = dataPriv.get( this ), + queue = data[ type + "queue" ], + hooks = data[ type + "queueHooks" ], + timers = jQuery.timers, + length = queue ? queue.length : 0; + + // Enable finishing flag on private data + data.finish = true; + + // Empty the queue first + jQuery.queue( this, type, [] ); + + if ( hooks && hooks.stop ) { + hooks.stop.call( this, true ); + } + + // Look for any active animations, and finish them + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && timers[ index ].queue === type ) { + timers[ index ].anim.stop( true ); + timers.splice( index, 1 ); + } + } + + // Look for any animations in the old queue and finish them + for ( index = 0; index < length; index++ ) { + if ( queue[ index ] && queue[ index ].finish ) { + queue[ index ].finish.call( this ); + } + } + + // Turn off finishing flag + delete data.finish; + } ); + } +} ); + +jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { + var cssFn = jQuery.fn[ name ]; + jQuery.fn[ name ] = function( speed, easing, callback ) { + return speed == null || typeof speed === "boolean" ? + cssFn.apply( this, arguments ) : + this.animate( genFx( name, true ), speed, easing, callback ); + }; +} ); + +// Generate shortcuts for custom animations +jQuery.each( { + slideDown: genFx( "show" ), + slideUp: genFx( "hide" ), + slideToggle: genFx( "toggle" ), + fadeIn: { opacity: "show" }, + fadeOut: { opacity: "hide" }, + fadeToggle: { opacity: "toggle" } +}, function( name, props ) { + jQuery.fn[ name ] = function( speed, easing, callback ) { + return this.animate( props, speed, easing, callback ); + }; +} ); + +jQuery.timers = []; +jQuery.fx.tick = function() { + var timer, + i = 0, + timers = jQuery.timers; + + fxNow = Date.now(); + + for ( ; i < timers.length; i++ ) { + timer = timers[ i ]; + + // Run the timer and safely remove it when done (allowing for external removal) + if ( !timer() && timers[ i ] === timer ) { + timers.splice( i--, 1 ); + } + } + + if ( !timers.length ) { + jQuery.fx.stop(); + } + fxNow = undefined; +}; + +jQuery.fx.timer = function( timer ) { + jQuery.timers.push( timer ); + jQuery.fx.start(); +}; + +jQuery.fx.interval = 13; +jQuery.fx.start = function() { + if ( inProgress ) { + return; + } + + inProgress = true; + schedule(); +}; + +jQuery.fx.stop = function() { + inProgress = null; +}; + +jQuery.fx.speeds = { + slow: 600, + fast: 200, + + // Default speed + _default: 400 +}; + + +// Based off of the plugin by Clint Helfers, with permission. +// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ +jQuery.fn.delay = function( time, type ) { + time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + type = type || "fx"; + + return this.queue( type, function( next, hooks ) { + var timeout = window.setTimeout( next, time ); + hooks.stop = function() { + window.clearTimeout( timeout ); + }; + } ); +}; + + +( function() { + var input = document.createElement( "input" ), + select = document.createElement( "select" ), + opt = select.appendChild( document.createElement( "option" ) ); + + input.type = "checkbox"; + + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== ""; + + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected; + + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement( "input" ); + input.value = "t"; + input.type = "radio"; + support.radioValue = input.value === "t"; +} )(); + + +var boolHook, + attrHandle = jQuery.expr.attrHandle; + +jQuery.fn.extend( { + attr: function( name, value ) { + return access( this, jQuery.attr, name, value, arguments.length > 1 ); + }, + + removeAttr: function( name ) { + return this.each( function() { + jQuery.removeAttr( this, name ); + } ); + } +} ); + +jQuery.extend( { + attr: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set attributes on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + // Fallback to prop when attributes are not supported + if ( typeof elem.getAttribute === "undefined" ) { + return jQuery.prop( elem, name, value ); + } + + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + hooks = jQuery.attrHooks[ name.toLowerCase() ] || + ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); + } + + if ( value !== undefined ) { + if ( value === null ) { + jQuery.removeAttr( elem, name ); + return; + } + + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + elem.setAttribute( name, value + "" ); + return value; + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + ret = jQuery.find.attr( elem, name ); + + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret; + }, + + attrHooks: { + type: { + set: function( elem, value ) { + if ( !support.radioValue && value === "radio" && + nodeName( elem, "input" ) ) { + var val = elem.value; + elem.setAttribute( "type", value ); + if ( val ) { + elem.value = val; + } + return value; + } + } + } + }, + + removeAttr: function( elem, value ) { + var name, + i = 0, + + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + attrNames = value && value.match( rnothtmlwhite ); + + if ( attrNames && elem.nodeType === 1 ) { + while ( ( name = attrNames[ i++ ] ) ) { + elem.removeAttribute( name ); + } + } + } +} ); + +// Hooks for boolean attributes +boolHook = { + set: function( elem, value, name ) { + if ( value === false ) { + + // Remove boolean attributes when set to false + jQuery.removeAttr( elem, name ); + } else { + elem.setAttribute( name, name ); + } + return name; + } +}; + +jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { + var getter = attrHandle[ name ] || jQuery.find.attr; + + attrHandle[ name ] = function( elem, name, isXML ) { + var ret, handle, + lowercaseName = name.toLowerCase(); + + if ( !isXML ) { + + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[ lowercaseName ]; + attrHandle[ lowercaseName ] = ret; + ret = getter( elem, name, isXML ) != null ? + lowercaseName : + null; + attrHandle[ lowercaseName ] = handle; + } + return ret; + }; +} ); + + + + +var rfocusable = /^(?:input|select|textarea|button)$/i, + rclickable = /^(?:a|area)$/i; + +jQuery.fn.extend( { + prop: function( name, value ) { + return access( this, jQuery.prop, name, value, arguments.length > 1 ); + }, + + removeProp: function( name ) { + return this.each( function() { + delete this[ jQuery.propFix[ name ] || name ]; + } ); + } +} ); + +jQuery.extend( { + prop: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set properties on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + + // Fix name and attach hooks + name = jQuery.propFix[ name ] || name; + hooks = jQuery.propHooks[ name ]; + } + + if ( value !== undefined ) { + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + return ( elem[ name ] = value ); + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + return elem[ name ]; + }, + + propHooks: { + tabIndex: { + get: function( elem ) { + + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + // Use proper attribute retrieval(#12072) + var tabindex = jQuery.find.attr( elem, "tabindex" ); + + if ( tabindex ) { + return parseInt( tabindex, 10 ); + } + + if ( + rfocusable.test( elem.nodeName ) || + rclickable.test( elem.nodeName ) && + elem.href + ) { + return 0; + } + + return -1; + } + } + }, + + propFix: { + "for": "htmlFor", + "class": "className" + } +} ); + +// Support: IE <=11 only +// Accessing the selectedIndex property +// forces the browser to respect setting selected +// on the option +// The getter ensures a default option is selected +// when in an optgroup +// eslint rule "no-unused-expressions" is disabled for this code +// since it considers such accessions noop +if ( !support.optSelected ) { + jQuery.propHooks.selected = { + get: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent && parent.parentNode ) { + parent.parentNode.selectedIndex; + } + return null; + }, + set: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent ) { + parent.selectedIndex; + + if ( parent.parentNode ) { + parent.parentNode.selectedIndex; + } + } + } + }; +} + +jQuery.each( [ + "tabIndex", + "readOnly", + "maxLength", + "cellSpacing", + "cellPadding", + "rowSpan", + "colSpan", + "useMap", + "frameBorder", + "contentEditable" +], function() { + jQuery.propFix[ this.toLowerCase() ] = this; +} ); + + + + + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse( value ) { + var tokens = value.match( rnothtmlwhite ) || []; + return tokens.join( " " ); + } + + +function getClass( elem ) { + return elem.getAttribute && elem.getAttribute( "class" ) || ""; +} + +function classesToArray( value ) { + if ( Array.isArray( value ) ) { + return value; + } + if ( typeof value === "string" ) { + return value.match( rnothtmlwhite ) || []; + } + return []; +} + +jQuery.fn.extend( { + addClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + if ( cur.indexOf( " " + clazz + " " ) < 0 ) { + cur += clazz + " "; + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + removeClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + if ( !arguments.length ) { + return this.attr( "class", "" ); + } + + classes = classesToArray( value ); + + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + + // This expression is here for better compressibility (see addClass) + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + + // Remove *all* instances + while ( cur.indexOf( " " + clazz + " " ) > -1 ) { + cur = cur.replace( " " + clazz + " ", " " ); + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + + return this; + }, + + toggleClass: function( value, stateVal ) { + var type = typeof value, + isValidValue = type === "string" || Array.isArray( value ); + + if ( typeof stateVal === "boolean" && isValidValue ) { + return stateVal ? this.addClass( value ) : this.removeClass( value ); + } + + if ( isFunction( value ) ) { + return this.each( function( i ) { + jQuery( this ).toggleClass( + value.call( this, i, getClass( this ), stateVal ), + stateVal + ); + } ); + } + + return this.each( function() { + var className, i, self, classNames; + + if ( isValidValue ) { + + // Toggle individual class names + i = 0; + self = jQuery( this ); + classNames = classesToArray( value ); + + while ( ( className = classNames[ i++ ] ) ) { + + // Check each className given, space separated list + if ( self.hasClass( className ) ) { + self.removeClass( className ); + } else { + self.addClass( className ); + } + } + + // Toggle whole class name + } else if ( value === undefined || type === "boolean" ) { + className = getClass( this ); + if ( className ) { + + // Store className if set + dataPriv.set( this, "__className__", className ); + } + + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if ( this.setAttribute ) { + this.setAttribute( "class", + className || value === false ? + "" : + dataPriv.get( this, "__className__" ) || "" + ); + } + } + } ); + }, + + hasClass: function( selector ) { + var className, elem, + i = 0; + + className = " " + selector + " "; + while ( ( elem = this[ i++ ] ) ) { + if ( elem.nodeType === 1 && + ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { + return true; + } + } + + return false; + } +} ); + + + + +var rreturn = /\r/g; + +jQuery.fn.extend( { + val: function( value ) { + var hooks, ret, valueIsFunction, + elem = this[ 0 ]; + + if ( !arguments.length ) { + if ( elem ) { + hooks = jQuery.valHooks[ elem.type ] || + jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + + if ( hooks && + "get" in hooks && + ( ret = hooks.get( elem, "value" ) ) !== undefined + ) { + return ret; + } + + ret = elem.value; + + // Handle most common string cases + if ( typeof ret === "string" ) { + return ret.replace( rreturn, "" ); + } + + // Handle cases where value is null/undef or number + return ret == null ? "" : ret; + } + + return; + } + + valueIsFunction = isFunction( value ); + + return this.each( function( i ) { + var val; + + if ( this.nodeType !== 1 ) { + return; + } + + if ( valueIsFunction ) { + val = value.call( this, i, jQuery( this ).val() ); + } else { + val = value; + } + + // Treat null/undefined as ""; convert numbers to string + if ( val == null ) { + val = ""; + + } else if ( typeof val === "number" ) { + val += ""; + + } else if ( Array.isArray( val ) ) { + val = jQuery.map( val, function( value ) { + return value == null ? "" : value + ""; + } ); + } + + hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + + // If set returns undefined, fall back to normal setting + if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { + this.value = val; + } + } ); + } +} ); + +jQuery.extend( { + valHooks: { + option: { + get: function( elem ) { + + var val = jQuery.find.attr( elem, "value" ); + return val != null ? + val : + + // Support: IE <=10 - 11 only + // option.text throws exceptions (#14686, #14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + stripAndCollapse( jQuery.text( elem ) ); + } + }, + select: { + get: function( elem ) { + var value, option, i, + options = elem.options, + index = elem.selectedIndex, + one = elem.type === "select-one", + values = one ? null : [], + max = one ? index + 1 : options.length; + + if ( index < 0 ) { + i = max; + + } else { + i = one ? index : 0; + } + + // Loop through all the selected options + for ( ; i < max; i++ ) { + option = options[ i ]; + + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (#2551) + if ( ( option.selected || i === index ) && + + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + ( !option.parentNode.disabled || + !nodeName( option.parentNode, "optgroup" ) ) ) { + + // Get the specific value for the option + value = jQuery( option ).val(); + + // We don't need an array for one selects + if ( one ) { + return value; + } + + // Multi-Selects return an array + values.push( value ); + } + } + + return values; + }, + + set: function( elem, value ) { + var optionSet, option, + options = elem.options, + values = jQuery.makeArray( value ), + i = options.length; + + while ( i-- ) { + option = options[ i ]; + + /* eslint-disable no-cond-assign */ + + if ( option.selected = + jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 + ) { + optionSet = true; + } + + /* eslint-enable no-cond-assign */ + } + + // Force browsers to behave consistently when non-matching value is set + if ( !optionSet ) { + elem.selectedIndex = -1; + } + return values; + } + } + } +} ); + +// Radios and checkboxes getter/setter +jQuery.each( [ "radio", "checkbox" ], function() { + jQuery.valHooks[ this ] = { + set: function( elem, value ) { + if ( Array.isArray( value ) ) { + return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); + } + } + }; + if ( !support.checkOn ) { + jQuery.valHooks[ this ].get = function( elem ) { + return elem.getAttribute( "value" ) === null ? "on" : elem.value; + }; + } +} ); + + + + +// Return jQuery for attributes-only inclusion + + +support.focusin = "onfocusin" in window; + + +var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + stopPropagationCallback = function( e ) { + e.stopPropagation(); + }; + +jQuery.extend( jQuery.event, { + + trigger: function( event, data, elem, onlyHandlers ) { + + var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + + cur = lastElement = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; + } + + if ( type.indexOf( "." ) > -1 ) { + + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split( "." ); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf( ":" ) < 0 && "on" + type; + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[ jQuery.expando ] ? + event : + new jQuery.Event( type, typeof event === "object" && event ); + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join( "." ); + event.rnamespace = event.namespace ? + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : + null; + + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); + + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + return; + } + + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { + + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; + } + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if ( tmp === ( elem.ownerDocument || document ) ) { + eventPath.push( tmp.defaultView || tmp.parentWindow || window ); + } + } + + // Fire handlers on the event path + i = 0; + while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { + lastElement = cur; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] && + dataPriv.get( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); + } + + // Native handler + handle = ontype && cur[ ontype ]; + if ( handle && handle.apply && acceptData( cur ) ) { + event.result = handle.apply( cur, data ); + if ( event.result === false ) { + event.preventDefault(); + } + } + } + event.type = type; + + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { + + if ( ( !special._default || + special._default.apply( eventPath.pop(), data ) === false ) && + acceptData( elem ) ) { + + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { + + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; + + if ( tmp ) { + elem[ ontype ] = null; + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + + if ( event.isPropagationStopped() ) { + lastElement.addEventListener( type, stopPropagationCallback ); + } + + elem[ type ](); + + if ( event.isPropagationStopped() ) { + lastElement.removeEventListener( type, stopPropagationCallback ); + } + + jQuery.event.triggered = undefined; + + if ( tmp ) { + elem[ ontype ] = tmp; + } + } + } + } + + return event.result; + }, + + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function( type, elem, event ) { + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ); + + jQuery.event.trigger( e, null, elem ); + } + +} ); + +jQuery.fn.extend( { + + trigger: function( type, data ) { + return this.each( function() { + jQuery.event.trigger( type, data, this ); + } ); + }, + triggerHandler: function( type, data ) { + var elem = this[ 0 ]; + if ( elem ) { + return jQuery.event.trigger( type, data, elem, true ); + } + } +} ); + + +// Support: Firefox <=44 +// Firefox doesn't have focus(in | out) events +// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 +// +// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 +// focus(in | out) events fire after focus & blur events, +// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order +// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 +if ( !support.focusin ) { + jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { + + // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler = function( event ) { + jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); + }; + + jQuery.event.special[ fix ] = { + setup: function() { + + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ); + + if ( !attaches ) { + doc.addEventListener( orig, handler, true ); + } + dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ) - 1; + + if ( !attaches ) { + doc.removeEventListener( orig, handler, true ); + dataPriv.remove( doc, fix ); + + } else { + dataPriv.access( doc, fix, attaches ); + } + } + }; + } ); +} +var location = window.location; + +var nonce = { guid: Date.now() }; + +var rquery = ( /\?/ ); + + + +// Cross-browser xml parsing +jQuery.parseXML = function( data ) { + var xml, parserErrorElem; + if ( !data || typeof data !== "string" ) { + return null; + } + + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); + } catch ( e ) {} + + parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ]; + if ( !xml || parserErrorElem ) { + jQuery.error( "Invalid XML: " + ( + parserErrorElem ? + jQuery.map( parserErrorElem.childNodes, function( el ) { + return el.textContent; + } ).join( "\n" ) : + data + ) ); + } + return xml; +}; + + +var + rbracket = /\[\]$/, + rCRLF = /\r?\n/g, + rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, + rsubmittable = /^(?:input|select|textarea|keygen)/i; + +function buildParams( prefix, obj, traditional, add ) { + var name; + + if ( Array.isArray( obj ) ) { + + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || rbracket.test( prefix ) ) { + + // Treat each array item as a scalar. + add( prefix, v ); + + } else { + + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", + v, + traditional, + add + ); + } + } ); + + } else if ( !traditional && toType( obj ) === "object" ) { + + // Serialize object item. + for ( name in obj ) { + buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); + } + + } else { + + // Serialize scalar item. + add( prefix, obj ); + } +} + +// Serialize an array of form elements or a set of +// key/values into a query string +jQuery.param = function( a, traditional ) { + var prefix, + s = [], + add = function( key, valueOrFunction ) { + + // If value is a function, invoke it and use its return value + var value = isFunction( valueOrFunction ) ? + valueOrFunction() : + valueOrFunction; + + s[ s.length ] = encodeURIComponent( key ) + "=" + + encodeURIComponent( value == null ? "" : value ); + }; + + if ( a == null ) { + return ""; + } + + // If an array was passed in, assume that it is an array of form elements. + if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { + + // Serialize the form elements + jQuery.each( a, function() { + add( this.name, this.value ); + } ); + + } else { + + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for ( prefix in a ) { + buildParams( prefix, a[ prefix ], traditional, add ); + } + } + + // Return the resulting serialization + return s.join( "&" ); +}; + +jQuery.fn.extend( { + serialize: function() { + return jQuery.param( this.serializeArray() ); + }, + serializeArray: function() { + return this.map( function() { + + // Can add propHook for "elements" to filter or add form elements + var elements = jQuery.prop( this, "elements" ); + return elements ? jQuery.makeArray( elements ) : this; + } ).filter( function() { + var type = this.type; + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery( this ).is( ":disabled" ) && + rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && + ( this.checked || !rcheckableType.test( type ) ); + } ).map( function( _i, elem ) { + var val = jQuery( this ).val(); + + if ( val == null ) { + return null; + } + + if ( Array.isArray( val ) ) { + return jQuery.map( val, function( val ) { + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ); + } + + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ).get(); + } +} ); + + +var + r20 = /%20/g, + rhash = /#.*$/, + rantiCache = /([?&])_=[^&]*/, + rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, + + // #7653, #8125, #8152: local protocol detection + rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, + rnoContent = /^(?:GET|HEAD)$/, + rprotocol = /^\/\//, + + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + prefilters = {}, + + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + transports = {}, + + // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression + allTypes = "*/".concat( "*" ), + + // Anchor tag for parsing the document origin + originAnchor = document.createElement( "a" ); + +originAnchor.href = location.href; + +// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport +function addToPrefiltersOrTransports( structure ) { + + // dataTypeExpression is optional and defaults to "*" + return function( dataTypeExpression, func ) { + + if ( typeof dataTypeExpression !== "string" ) { + func = dataTypeExpression; + dataTypeExpression = "*"; + } + + var dataType, + i = 0, + dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; + + if ( isFunction( func ) ) { + + // For each dataType in the dataTypeExpression + while ( ( dataType = dataTypes[ i++ ] ) ) { + + // Prepend if requested + if ( dataType[ 0 ] === "+" ) { + dataType = dataType.slice( 1 ) || "*"; + ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); + + // Otherwise append + } else { + ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); + } + } + } + }; +} + +// Base inspection function for prefilters and transports +function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { + + var inspected = {}, + seekingTransport = ( structure === transports ); + + function inspect( dataType ) { + var selected; + inspected[ dataType ] = true; + jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { + var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); + if ( typeof dataTypeOrTransport === "string" && + !seekingTransport && !inspected[ dataTypeOrTransport ] ) { + + options.dataTypes.unshift( dataTypeOrTransport ); + inspect( dataTypeOrTransport ); + return false; + } else if ( seekingTransport ) { + return !( selected = dataTypeOrTransport ); + } + } ); + return selected; + } + + return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); +} + +// A special extend for ajax options +// that takes "flat" options (not to be deep extended) +// Fixes #9887 +function ajaxExtend( target, src ) { + var key, deep, + flatOptions = jQuery.ajaxSettings.flatOptions || {}; + + for ( key in src ) { + if ( src[ key ] !== undefined ) { + ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; + } + } + if ( deep ) { + jQuery.extend( true, target, deep ); + } + + return target; +} + +/* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ +function ajaxHandleResponses( s, jqXHR, responses ) { + + var ct, type, finalDataType, firstDataType, + contents = s.contents, + dataTypes = s.dataTypes; + + // Remove auto dataType and get content-type in the process + while ( dataTypes[ 0 ] === "*" ) { + dataTypes.shift(); + if ( ct === undefined ) { + ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); + } + } + + // Check if we're dealing with a known content-type + if ( ct ) { + for ( type in contents ) { + if ( contents[ type ] && contents[ type ].test( ct ) ) { + dataTypes.unshift( type ); + break; + } + } + } + + // Check to see if we have a response for the expected dataType + if ( dataTypes[ 0 ] in responses ) { + finalDataType = dataTypes[ 0 ]; + } else { + + // Try convertible dataTypes + for ( type in responses ) { + if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { + finalDataType = type; + break; + } + if ( !firstDataType ) { + firstDataType = type; + } + } + + // Or just use first one + finalDataType = finalDataType || firstDataType; + } + + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if ( finalDataType ) { + if ( finalDataType !== dataTypes[ 0 ] ) { + dataTypes.unshift( finalDataType ); + } + return responses[ finalDataType ]; + } +} + +/* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ +function ajaxConvert( s, response, jqXHR, isSuccess ) { + var conv2, current, conv, tmp, prev, + converters = {}, + + // Work with a copy of dataTypes in case we need to modify it for conversion + dataTypes = s.dataTypes.slice(); + + // Create converters map with lowercased keys + if ( dataTypes[ 1 ] ) { + for ( conv in s.converters ) { + converters[ conv.toLowerCase() ] = s.converters[ conv ]; + } + } + + current = dataTypes.shift(); + + // Convert to each sequential dataType + while ( current ) { + + if ( s.responseFields[ current ] ) { + jqXHR[ s.responseFields[ current ] ] = response; + } + + // Apply the dataFilter if provided + if ( !prev && isSuccess && s.dataFilter ) { + response = s.dataFilter( response, s.dataType ); + } + + prev = current; + current = dataTypes.shift(); + + if ( current ) { + + // There's only work to do if current dataType is non-auto + if ( current === "*" ) { + + current = prev; + + // Convert response if prev dataType is non-auto and differs from current + } else if ( prev !== "*" && prev !== current ) { + + // Seek a direct converter + conv = converters[ prev + " " + current ] || converters[ "* " + current ]; + + // If none found, seek a pair + if ( !conv ) { + for ( conv2 in converters ) { + + // If conv2 outputs current + tmp = conv2.split( " " ); + if ( tmp[ 1 ] === current ) { + + // If prev can be converted to accepted input + conv = converters[ prev + " " + tmp[ 0 ] ] || + converters[ "* " + tmp[ 0 ] ]; + if ( conv ) { + + // Condense equivalence converters + if ( conv === true ) { + conv = converters[ conv2 ]; + + // Otherwise, insert the intermediate dataType + } else if ( converters[ conv2 ] !== true ) { + current = tmp[ 0 ]; + dataTypes.unshift( tmp[ 1 ] ); + } + break; + } + } + } + } + + // Apply converter (if not an equivalence) + if ( conv !== true ) { + + // Unless errors are allowed to bubble, catch and return them + if ( conv && s.throws ) { + response = conv( response ); + } else { + try { + response = conv( response ); + } catch ( e ) { + return { + state: "parsererror", + error: conv ? e : "No conversion from " + prev + " to " + current + }; + } + } + } + } + } + } + + return { state: "success", data: response }; +} + +jQuery.extend( { + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: "GET", + isLocal: rlocalProtocol.test( location.protocol ), + global: true, + processData: true, + async: true, + contentType: "application/x-www-form-urlencoded; charset=UTF-8", + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + "*": allTypes, + text: "text/plain", + html: "text/html", + xml: "application/xml, text/xml", + json: "application/json, text/javascript" + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: "responseXML", + text: "responseText", + json: "responseJSON" + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + "* text": String, + + // Text to html (true = no transformation) + "text html": true, + + // Evaluate text as a json expression + "text json": JSON.parse, + + // Parse text as xml + "text xml": jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true + } + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function( target, settings ) { + return settings ? + + // Building a settings object + ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : + + // Extending ajaxSettings + ajaxExtend( jQuery.ajaxSettings, target ); + }, + + ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), + ajaxTransport: addToPrefiltersOrTransports( transports ), + + // Main method + ajax: function( url, options ) { + + // If url is an object, simulate pre-1.5 signature + if ( typeof url === "object" ) { + options = url; + url = undefined; + } + + // Force options to be an object + options = options || {}; + + var transport, + + // URL without anti-cache param + cacheURL, + + // Response headers + responseHeadersString, + responseHeaders, + + // timeout handle + timeoutTimer, + + // Url cleanup var + urlAnchor, + + // Request state (becomes false upon send and true upon completion) + completed, + + // To know if global events are to be dispatched + fireGlobals, + + // Loop variable + i, + + // uncached part of the url + uncached, + + // Create the final options object + s = jQuery.ajaxSetup( {}, options ), + + // Callbacks context + callbackContext = s.context || s, + + // Context for global events is callbackContext if it is a DOM node or jQuery collection + globalEventContext = s.context && + ( callbackContext.nodeType || callbackContext.jquery ) ? + jQuery( callbackContext ) : + jQuery.event, + + // Deferreds + deferred = jQuery.Deferred(), + completeDeferred = jQuery.Callbacks( "once memory" ), + + // Status-dependent callbacks + statusCode = s.statusCode || {}, + + // Headers (they are sent all at once) + requestHeaders = {}, + requestHeadersNames = {}, + + // Default abort message + strAbort = "canceled", + + // Fake xhr + jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function( key ) { + var match; + if ( completed ) { + if ( !responseHeaders ) { + responseHeaders = {}; + while ( ( match = rheaders.exec( responseHeadersString ) ) ) { + responseHeaders[ match[ 1 ].toLowerCase() + " " ] = + ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) + .concat( match[ 2 ] ); + } + } + match = responseHeaders[ key.toLowerCase() + " " ]; + } + return match == null ? null : match.join( ", " ); + }, + + // Raw string + getAllResponseHeaders: function() { + return completed ? responseHeadersString : null; + }, + + // Caches the header + setRequestHeader: function( name, value ) { + if ( completed == null ) { + name = requestHeadersNames[ name.toLowerCase() ] = + requestHeadersNames[ name.toLowerCase() ] || name; + requestHeaders[ name ] = value; + } + return this; + }, + + // Overrides response content-type header + overrideMimeType: function( type ) { + if ( completed == null ) { + s.mimeType = type; + } + return this; + }, + + // Status-dependent callbacks + statusCode: function( map ) { + var code; + if ( map ) { + if ( completed ) { + + // Execute the appropriate callbacks + jqXHR.always( map[ jqXHR.status ] ); + } else { + + // Lazy-add the new callbacks in a way that preserves old ones + for ( code in map ) { + statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; + } + } + } + return this; + }, + + // Cancel the request + abort: function( statusText ) { + var finalText = statusText || strAbort; + if ( transport ) { + transport.abort( finalText ); + } + done( 0, finalText ); + return this; + } + }; + + // Attach deferreds + deferred.promise( jqXHR ); + + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (#10093: consistency with old signature) + // We also use the url parameter if available + s.url = ( ( url || s.url || location.href ) + "" ) + .replace( rprotocol, location.protocol + "//" ); + + // Alias method option to type as per ticket #12004 + s.type = options.method || options.type || s.method || s.type; + + // Extract dataTypes list + s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; + + // A cross-domain request is in order when the origin doesn't match the current origin. + if ( s.crossDomain == null ) { + urlAnchor = document.createElement( "a" ); + + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url; + + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href; + s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== + urlAnchor.protocol + "//" + urlAnchor.host; + } catch ( e ) { + + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true; + } + } + + // Convert data if not already a string + if ( s.data && s.processData && typeof s.data !== "string" ) { + s.data = jQuery.param( s.data, s.traditional ); + } + + // Apply prefilters + inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); + + // If request was aborted inside a prefilter, stop there + if ( completed ) { + return jqXHR; + } + + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) + fireGlobals = jQuery.event && s.global; + + // Watch for a new set of requests + if ( fireGlobals && jQuery.active++ === 0 ) { + jQuery.event.trigger( "ajaxStart" ); + } + + // Uppercase the type + s.type = s.type.toUpperCase(); + + // Determine if request has content + s.hasContent = !rnoContent.test( s.type ); + + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace( rhash, "" ); + + // More options handling for requests with no content + if ( !s.hasContent ) { + + // Remember the hash so we can put it back + uncached = s.url.slice( cacheURL.length ); + + // If data is available and should be processed, append data to url + if ( s.data && ( s.processData || typeof s.data === "string" ) ) { + cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; + + // #9682: remove data so that it's not used in an eventual retry + delete s.data; + } + + // Add or update anti-cache param if needed + if ( s.cache === false ) { + cacheURL = cacheURL.replace( rantiCache, "$1" ); + uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + + uncached; + } + + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached; + + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if ( s.data && s.processData && + ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { + s.data = s.data.replace( r20, "+" ); + } + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + if ( jQuery.lastModified[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); + } + if ( jQuery.etag[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); + } + } + + // Set the correct header, if data is being sent + if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { + jqXHR.setRequestHeader( "Content-Type", s.contentType ); + } + + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + "Accept", + s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? + s.accepts[ s.dataTypes[ 0 ] ] + + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : + s.accepts[ "*" ] + ); + + // Check for headers option + for ( i in s.headers ) { + jqXHR.setRequestHeader( i, s.headers[ i ] ); + } + + // Allow custom headers/mimetypes and early abort + if ( s.beforeSend && + ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { + + // Abort if not done already and return + return jqXHR.abort(); + } + + // Aborting is no longer a cancellation + strAbort = "abort"; + + // Install callbacks on deferreds + completeDeferred.add( s.complete ); + jqXHR.done( s.success ); + jqXHR.fail( s.error ); + + // Get transport + transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); + + // If no transport, we auto-abort + if ( !transport ) { + done( -1, "No Transport" ); + } else { + jqXHR.readyState = 1; + + // Send global event + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); + } + + // If request was aborted inside ajaxSend, stop there + if ( completed ) { + return jqXHR; + } + + // Timeout + if ( s.async && s.timeout > 0 ) { + timeoutTimer = window.setTimeout( function() { + jqXHR.abort( "timeout" ); + }, s.timeout ); + } + + try { + completed = false; + transport.send( requestHeaders, done ); + } catch ( e ) { + + // Rethrow post-completion exceptions + if ( completed ) { + throw e; + } + + // Propagate others as results + done( -1, e ); + } + } + + // Callback for when everything is done + function done( status, nativeStatusText, responses, headers ) { + var isSuccess, success, error, response, modified, + statusText = nativeStatusText; + + // Ignore repeat invocations + if ( completed ) { + return; + } + + completed = true; + + // Clear timeout if it exists + if ( timeoutTimer ) { + window.clearTimeout( timeoutTimer ); + } + + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined; + + // Cache response headers + responseHeadersString = headers || ""; + + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0; + + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304; + + // Get response data + if ( responses ) { + response = ajaxHandleResponses( s, jqXHR, responses ); + } + + // Use a noop converter for missing script but not if jsonp + if ( !isSuccess && + jQuery.inArray( "script", s.dataTypes ) > -1 && + jQuery.inArray( "json", s.dataTypes ) < 0 ) { + s.converters[ "text script" ] = function() {}; + } + + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert( s, response, jqXHR, isSuccess ); + + // If successful, handle type chaining + if ( isSuccess ) { + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + modified = jqXHR.getResponseHeader( "Last-Modified" ); + if ( modified ) { + jQuery.lastModified[ cacheURL ] = modified; + } + modified = jqXHR.getResponseHeader( "etag" ); + if ( modified ) { + jQuery.etag[ cacheURL ] = modified; + } + } + + // if no content + if ( status === 204 || s.type === "HEAD" ) { + statusText = "nocontent"; + + // if not modified + } else if ( status === 304 ) { + statusText = "notmodified"; + + // If we have data, let's convert it + } else { + statusText = response.state; + success = response.data; + error = response.error; + isSuccess = !error; + } + } else { + + // Extract error from statusText and normalize for non-aborts + error = statusText; + if ( status || !statusText ) { + statusText = "error"; + if ( status < 0 ) { + status = 0; + } + } + } + + // Set data for the fake xhr object + jqXHR.status = status; + jqXHR.statusText = ( nativeStatusText || statusText ) + ""; + + // Success/Error + if ( isSuccess ) { + deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); + } else { + deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); + } + + // Status-dependent callbacks + jqXHR.statusCode( statusCode ); + statusCode = undefined; + + if ( fireGlobals ) { + globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", + [ jqXHR, s, isSuccess ? success : error ] ); + } + + // Complete + completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); + + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); + + // Handle the global AJAX counter + if ( !( --jQuery.active ) ) { + jQuery.event.trigger( "ajaxStop" ); + } + } + } + + return jqXHR; + }, + + getJSON: function( url, data, callback ) { + return jQuery.get( url, data, callback, "json" ); + }, + + getScript: function( url, callback ) { + return jQuery.get( url, undefined, callback, "script" ); + } +} ); + +jQuery.each( [ "get", "post" ], function( _i, method ) { + jQuery[ method ] = function( url, data, callback, type ) { + + // Shift arguments if data argument was omitted + if ( isFunction( data ) ) { + type = type || callback; + callback = data; + data = undefined; + } + + // The url can be an options object (which then must have .url) + return jQuery.ajax( jQuery.extend( { + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject( url ) && url ) ); + }; +} ); + +jQuery.ajaxPrefilter( function( s ) { + var i; + for ( i in s.headers ) { + if ( i.toLowerCase() === "content-type" ) { + s.contentType = s.headers[ i ] || ""; + } + } +} ); + + +jQuery._evalUrl = function( url, options, doc ) { + return jQuery.ajax( { + url: url, + + // Make this explicit, since user can override this through ajaxSetup (#11264) + type: "GET", + dataType: "script", + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + "text script": function() {} + }, + dataFilter: function( response ) { + jQuery.globalEval( response, options, doc ); + } + } ); +}; + + +jQuery.fn.extend( { + wrapAll: function( html ) { + var wrap; + + if ( this[ 0 ] ) { + if ( isFunction( html ) ) { + html = html.call( this[ 0 ] ); + } + + // The elements to wrap the target around + wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); + + if ( this[ 0 ].parentNode ) { + wrap.insertBefore( this[ 0 ] ); + } + + wrap.map( function() { + var elem = this; + + while ( elem.firstElementChild ) { + elem = elem.firstElementChild; + } + + return elem; + } ).append( this ); + } + + return this; + }, + + wrapInner: function( html ) { + if ( isFunction( html ) ) { + return this.each( function( i ) { + jQuery( this ).wrapInner( html.call( this, i ) ); + } ); + } + + return this.each( function() { + var self = jQuery( this ), + contents = self.contents(); + + if ( contents.length ) { + contents.wrapAll( html ); + + } else { + self.append( html ); + } + } ); + }, + + wrap: function( html ) { + var htmlIsFunction = isFunction( html ); + + return this.each( function( i ) { + jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); + } ); + }, + + unwrap: function( selector ) { + this.parent( selector ).not( "body" ).each( function() { + jQuery( this ).replaceWith( this.childNodes ); + } ); + return this; + } +} ); + + +jQuery.expr.pseudos.hidden = function( elem ) { + return !jQuery.expr.pseudos.visible( elem ); +}; +jQuery.expr.pseudos.visible = function( elem ) { + return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); +}; + + + + +jQuery.ajaxSettings.xhr = function() { + try { + return new window.XMLHttpRequest(); + } catch ( e ) {} +}; + +var xhrSuccessStatus = { + + // File protocol always yields status code 0, assume 200 + 0: 200, + + // Support: IE <=9 only + // #1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + }, + xhrSupported = jQuery.ajaxSettings.xhr(); + +support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); +support.ajax = xhrSupported = !!xhrSupported; + +jQuery.ajaxTransport( function( options ) { + var callback, errorCallback; + + // Cross domain only allowed if supported through XMLHttpRequest + if ( support.cors || xhrSupported && !options.crossDomain ) { + return { + send: function( headers, complete ) { + var i, + xhr = options.xhr(); + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ); + + // Apply custom fields if provided + if ( options.xhrFields ) { + for ( i in options.xhrFields ) { + xhr[ i ] = options.xhrFields[ i ]; + } + } + + // Override mime type if needed + if ( options.mimeType && xhr.overrideMimeType ) { + xhr.overrideMimeType( options.mimeType ); + } + + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { + headers[ "X-Requested-With" ] = "XMLHttpRequest"; + } + + // Set headers + for ( i in headers ) { + xhr.setRequestHeader( i, headers[ i ] ); + } + + // Callback + callback = function( type ) { + return function() { + if ( callback ) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null; + + if ( type === "abort" ) { + xhr.abort(); + } else if ( type === "error" ) { + + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if ( typeof xhr.status !== "number" ) { + complete( 0, "error" ); + } else { + complete( + + // File: protocol always yields status 0; see #8605, #14207 + xhr.status, + xhr.statusText + ); + } + } else { + complete( + xhrSuccessStatus[ xhr.status ] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + ( xhr.responseType || "text" ) !== "text" || + typeof xhr.responseText !== "string" ? + { binary: xhr.response } : + { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ); + } + } + }; + }; + + // Listen to events + xhr.onload = callback(); + errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if ( xhr.onabort !== undefined ) { + xhr.onabort = errorCallback; + } else { + xhr.onreadystatechange = function() { + + // Check readyState before timeout as it changes + if ( xhr.readyState === 4 ) { + + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout( function() { + if ( callback ) { + errorCallback(); + } + } ); + } + }; + } + + // Create the abort callback + callback = callback( "abort" ); + + try { + + // Do send the request (this may raise an exception) + xhr.send( options.hasContent && options.data || null ); + } catch ( e ) { + + // #14683: Only rethrow if this hasn't been notified as an error yet + if ( callback ) { + throw e; + } + } + }, + + abort: function() { + if ( callback ) { + callback(); + } + } + }; + } +} ); + + + + +// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) +jQuery.ajaxPrefilter( function( s ) { + if ( s.crossDomain ) { + s.contents.script = false; + } +} ); + +// Install script dataType +jQuery.ajaxSetup( { + accepts: { + script: "text/javascript, application/javascript, " + + "application/ecmascript, application/x-ecmascript" + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + "text script": function( text ) { + jQuery.globalEval( text ); + return text; + } + } +} ); + +// Handle cache's special case and crossDomain +jQuery.ajaxPrefilter( "script", function( s ) { + if ( s.cache === undefined ) { + s.cache = false; + } + if ( s.crossDomain ) { + s.type = "GET"; + } +} ); + +// Bind script tag hack transport +jQuery.ajaxTransport( "script", function( s ) { + + // This transport only deals with cross domain or forced-by-attrs requests + if ( s.crossDomain || s.scriptAttrs ) { + var script, callback; + return { + send: function( _, complete ) { + script = jQuery( " +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
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+ +
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+
+
+ +
+ + + + + +
+

backup-restore.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/contribute.html b/mdoccbor/it/contribute.html new file mode 100644 index 000000000..30a6386cc --- /dev/null +++ b/mdoccbor/it/contribute.html @@ -0,0 +1,1261 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | contribute.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
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+ +
+ + +
+ +
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+ +
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+
+
+ +
+ + + + + +
+

contribute.rst

+

Instruction to join in the development here.

+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/defined-terms.html b/mdoccbor/it/defined-terms.html new file mode 100644 index 000000000..6361d9f5f --- /dev/null +++ b/mdoccbor/it/defined-terms.html @@ -0,0 +1,1359 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | defined-terms.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
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+ +
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+
+
+ +
+ + + + + +
+

defined-terms.rst

+

Di seguito le descrizioni di acronimi e definizioni, correlati al presente documento utili ad approfondimenti su tematiche che completano l' it-wallet e i componenti con i quali interagisce.

+
+

Acronimi

+ ++++ + + + + + + + + + + + + + + + + + + + + + + +

Acronimo

Descrizione

OID4VP

OpenID for Verifiable Presentation

PID

Person Identification Data

VC

Verifiable Credential

VP

Verifiable Presentation

API

Application Programming Interface. Insieme componenti previsti per semplificare gli scenari di integrazione di uno specifico Sistema.

+
+
+

Definizioni

+ ++++ + + + + + + + + + + + + + +

Definizione

Descrizione

Wallet Instance

Mobile App che gestisce, memorizza e protegge le Verifiable Credentials di un holder e ne consente la presentazione ad una Relying Party

Relying Party

Entità che riceve da una Wallet Instance una o più VP e processa le stesse

+
+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/genindex.html b/mdoccbor/it/genindex.html new file mode 100644 index 000000000..04133f794 --- /dev/null +++ b/mdoccbor/it/genindex.html @@ -0,0 +1,1253 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Index + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
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+
+
+ +
+ + + + +

Index

+ +
+ +
+ + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/index.html b/mdoccbor/it/index.html new file mode 100644 index 000000000..aa1c08fb6 --- /dev/null +++ b/mdoccbor/it/index.html @@ -0,0 +1,1397 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Italian eIDAS Wallet Technical Specifications + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
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+ + + + + +
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+ + +
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+
+
+ +
+ + + +
+

Italian eIDAS Wallet Technical Specifications

+

[TODO INTRO]

+

Introduzione

+

cos'è eIDAS

+

cos’è IT-Wallet

+

scopo delle regole tecniche

+

In this documentation you can find the technical specification +for implementing the following components:

+
+
    +
  • Entities of the ecosystem according to EIDAS-ARF.

  • +
  • Infrastructure of trust attesting realiability and eligibility of the participants.

  • +
  • PID and EAAs data schemes and attribute sets.

  • +
  • PID/EAA in MDL CBOR format.

  • +
  • PID/EAA in SD-JWT format.

  • +
  • Wallet Solution general architecture.

  • +
  • Wallet Instance Attestation data model in JWS format.

  • +
  • Issuance of PID/EAA according to OpenID4VCI.

  • +
  • Presentation of PID/EAA according to OpenID4VP.

  • +
  • Presentation of pseudonyms according to SIOPv2.

  • +
  • PID/EAA backup and restore mechanisms.

  • +
  • PID/EAA revocation lists.

  • +
+
+
+

Index of content

+
+ +
+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/issuance.html b/mdoccbor/it/issuance.html new file mode 100644 index 000000000..1b5a7184f --- /dev/null +++ b/mdoccbor/it/issuance.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | issuance.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
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+ + + + + +
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+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

issuance.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/objects.inv b/mdoccbor/it/objects.inv new file mode 100644 index 000000000..cabc69f75 Binary files /dev/null and b/mdoccbor/it/objects.inv differ diff --git a/mdoccbor/it/pid-eaa-data.html b/mdoccbor/it/pid-eaa-data.html new file mode 100644 index 000000000..377ae420d --- /dev/null +++ b/mdoccbor/it/pid-eaa-data.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | pid-eaa-data.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
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+ +
+
+
+
+ + + + + +
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+
+
+ +
+ + + + + +
+

pid-eaa-data.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/pid-eaa-mdoc-cbor.html b/mdoccbor/it/pid-eaa-mdoc-cbor.html new file mode 100644 index 000000000..167d1cd6d --- /dev/null +++ b/mdoccbor/it/pid-eaa-mdoc-cbor.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | pid-eaa-mdoc-cbor.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

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+
+
+ +
+ + + + + +
+

pid-eaa-mdoc-cbor.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
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Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/pid-eaa-sd-jwt.html b/mdoccbor/it/pid-eaa-sd-jwt.html new file mode 100644 index 000000000..dee61ccc7 --- /dev/null +++ b/mdoccbor/it/pid-eaa-sd-jwt.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | pid-eaa-sd-jwt.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
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+
+
+ +
+ + + + + +
+

pid-eaa-sd-jwt.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
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Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/pseudonyms.html b/mdoccbor/it/pseudonyms.html new file mode 100644 index 000000000..79d52b59e --- /dev/null +++ b/mdoccbor/it/pseudonyms.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | pseudonyms.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
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+ +
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+

pseudonyms.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
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Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
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+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/revocation-lists.html b/mdoccbor/it/revocation-lists.html new file mode 100644 index 000000000..3e169447f --- /dev/null +++ b/mdoccbor/it/revocation-lists.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | revocation-lists.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
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+

revocation-lists.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

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+

General Properties

+

[TODO]

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+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
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Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
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+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/search.html b/mdoccbor/it/search.html new file mode 100644 index 000000000..2cfed3907 --- /dev/null +++ b/mdoccbor/it/search.html @@ -0,0 +1,1267 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Search + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
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+
+
+ +
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+ +
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+ +
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+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
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+ +
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+
+
+ +
+ + + + + +
+

ssi-introduction.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/standards.html b/mdoccbor/it/standards.html new file mode 100644 index 000000000..ad54f7f79 --- /dev/null +++ b/mdoccbor/it/standards.html @@ -0,0 +1,1256 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | Standards + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
+ + +
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

Standards

+

TODO

+
+ + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/trust.html b/mdoccbor/it/trust.html new file mode 100644 index 000000000..132ad495d --- /dev/null +++ b/mdoccbor/it/trust.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | trust.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
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+ +
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+
+
+ +
+ + + + + +
+

trust.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
+ + + + + +
+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/wallet-instance-attestation.html b/mdoccbor/it/wallet-instance-attestation.html new file mode 100644 index 000000000..e47622216 --- /dev/null +++ b/mdoccbor/it/wallet-instance-attestation.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | wallet-instance-attestation.rst + + + + + + + + + + + + + + + + + + + + + +
+ + +
+
+
+ +
+
+

+ + Docs Italia + + beta + + +

+

Public documents, made digital.

+
+
+ +
+
+
+
+ +
+ + +
+ +
+
+ +
+
+
+
+ + + + + +
+
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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+
+ +
+ + + + + +
+

wallet-instance-attestation.rst

+

[What is it]

+

[What it is usefull for]

+

[Example]

+
+

General Properties

+

[TODO]

+
+
+

Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
+
+
+
+

Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

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+
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Implementation considerations

+

TODO

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+

Libraries and code snippets

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TODO

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External references

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TODO

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+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mdoccbor/it/wallet-solution.html b/mdoccbor/it/wallet-solution.html new file mode 100644 index 000000000..6558a9574 --- /dev/null +++ b/mdoccbor/it/wallet-solution.html @@ -0,0 +1,1308 @@ + + + + + + + + Italian eIDAS Wallet Technical Specifications version: latest documentation | wallet-solution.rst + + + + + + + + + + + + + + + + + + + + + +
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+ + Docs Italia + + beta + + +

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Public documents, made digital.

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wallet-solution.rst

+

[What is it]

+

[What it is usefull for]

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[Example]

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General Properties

+

[TODO]

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Requirements

+
+
    +
  • req 1

  • +
  • req 2

  • +
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Attributes

+

[Table with parameters/attributes]

+ ++++ + + + + + + + + + + +

Claim

Description

key

value

+
+
+

Implementation considerations

+

TODO

+
+
+

Libraries and code snippets

+

TODO

+
+
+

External references

+

TODO

+
+
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+ +
+
+
+ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file