fluent-plugin-email-obfuscate

Fluentd filter plugin obfuscate email addresses.

This filter attempts to parse each field in the record, and will obfuscate all or part of any email addresses it finds, by replacing with the same number of asterisks.

For example:

Record Input:

{
  "f1": "[email protected]",
  "list1": [
    "[email protected]",
    "[email protected]"
  ],
  "a": {
    "nested": {
      "field": "[email protected]"
    }
  },
  "email_string": "Jane Doe <[email protected]>, John Smith <[email protected]>"
}

Record Output:

 {
  "f1": "myEmail@*******.***",
  "list1": [
    "user1@*******.***",
    "user2@*******.***"
  ],
  "a": {
    "nested": {
      "field": "name3@*******.******"
    }
  },
  "email_string": "jane@*******.****, john@*******.****"
}

Installation

RubyGems

$ gem install fluent-plugin-email-obfuscate

Bundler

Add following line to your Gemfile:

gem "fluent-plugin-email-obfuscate"

And then execute:

$ bundle

Configuration

Use email_obfuscate filter.

    <filter **>
        @type email_obfuscate
        mode <mode>
        suffix_whitelist <list>
    </filter>

mode (default: partial_name)

mode	Action	Example
domain_only	Only replace all characters in the domain part	testuser@*******.***
partial_name	Replace all characters in domain and partially in the name	testu***@*******.***
name_substring	Replace all characters in name and maintain surrounding context	My old email address ********@example.com does not work any more
full	Replace all characters in name and domain part of address	********@*******.***

Note: . and @ are never replaced

suffix_whitelist (optional)

A list of suffixes not to obfuscate. For example, with config suffix_whitelist [".example.com", "@example.com"] the result would be:

Input	Action
[email protected]	no change
[email protected]	no change
[email protected]	obfuscated

Todo

• Support configuration of which fields to act upon
• Fine grained configuration of email delimiters
• . . .

Copyright

• Copyright(c) 2018-2019 JamesJJ
• License
  • Apache License, Version 2.0