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index.js
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index.js
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import React, {Component} from 'react';
import MessageWebView from './MessageWebView';
import PropTypes from 'prop-types';
import {Platform, Linking} from 'react-native';
const RECAPTCHA_SUB_STR="https://www.google.com/recaptcha/api2/anchor?";
const RECAPTCHA_SUB_STR_FRAME="https://www.google.com/recaptcha/api2/bframe";
export const type = Object.freeze({"invisible": 1, "normal": 2});
const getInvisibleRecaptchaContent = (siteKey, action, onReady) => {
const webForm = '<!DOCTYPE html><html><head> ' +
'<style> .text-xs-center { text-align: center; } .g-recaptcha { display: inline-block; } </style> ' +
'<script src="https://www.google.com/recaptcha/api.js?render=' + siteKey + '"></script> ' +
'<script type="text/javascript"> ' +
'grecaptcha.ready(function() { ' +
`(${String(onReady)})(); ` +
'grecaptcha.execute(\'' + siteKey + '\', {action: \'' + action + '\'}).then( '+
'function (responseToken) { window.postMessage(responseToken); } ' +
' ); ' +
'}); ' +
'</script>' +
'</head></html>';
return webForm;
}
const getNormalRecaptchaContent = (config) => {
const webForm = '<!DOCTYPE html><html><head> '+
'<style> .text-xs-center { text-align: center; } .g-recaptcha { display: inline-block; margin-right: 40px; float: right;} </style> '+
'<script src="https://www.gstatic.com/firebasejs/5.1.0/firebase-app.js"></script> '+
'<script src="https://www.gstatic.com/firebasejs/5.1.0/firebase-auth.js"></script> '+
'<script type="text/javascript"> firebase.initializeApp(' + JSON.stringify(config) + '); '+
'</script><script src="https://www.google.com/recaptcha/api.js"></script> '+
'</head> '+
'<body><div id="recaptcha-cont" class="g-recaptcha"></div>'+
'<script> '+
'function onloadCallback() { '+
'window.recaptchaVerifier = new firebase.auth.RecaptchaVerifier("recaptcha-cont", '+
'{size: "normal", callback: function(response) { window.postMessage(response); }}); '+
'window.recaptchaVerifier.render(); '+
'} '+
'</script>'+
'<script src="https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"></script>'+
'</body> </html>';
return webForm;
}
export default class ReCaptcha extends Component {
static propTypes = {
onMessage: PropTypes.func,
containerStyle: PropTypes.any,
siteKey: PropTypes.string.isRequired,
url: PropTypes.string.isRequired,
action: PropTypes.string,
onReady: PropTypes.func,
onExecute: PropTypes.func,
customWebRecaptcha: PropTypes.func,
reCaptchaType: PropTypes.oneOf(Object.values(type)).isRequired,
};
static defaultProps = {
onReady: () => {},
onExecute: () => {},
action: '',
containerStyle: {
width: '100%',
height: '100%',
zIndex: -1,
position: 'relative',
marginBottom: 20
},
reCaptchaType: type.invisible
};
onShouldStartLoadWithRequest = (event) => {
const {config, url} = this.props;
if (event.url === url || event.url.indexOf(RECAPTCHA_SUB_STR) !== -1 || (!!config && event.url.indexOf(config.authDomain) !== -1) || event.url.indexOf(RECAPTCHA_SUB_STR_FRAME) !== -1) {
return true;
}
Linking.canOpenURL(event.url).then(supported => {
if (!supported) {
console.log('Can\'t handle url: ' + url);
} else {
return Linking.openURL(event.url);
}
});
return false;
}
onNavigationStateChange = (event) => {
if (Platform.OS === 'android') {
const {url} = this.props;
if (url !== event.url && event.url.indexOf(RECAPTCHA_SUB_STR) === -1 && !!event.canGoBack && !event.loading) {
Linking.canOpenURL(event.url).then(supported => {
if(!supported) {
console.log('Can\'t handle url: ' + url);
} else {
return Linking.openUrl(event.url);
}
});
}
if (!!event.canGoBack) {
this.webview.getWebViewHandle().goBack();
}
}
}
render() {
const {
containerStyle,
siteKey,
action,
onReady,
onExecute,
config,
reCaptchaType,
url
} = this.props;
return (
<MessageWebView
ref={(ref) => { this.webview = ref ;}}
scalesPageToFit={true}
mixedContentMode={'always'}
containerStyle={containerStyle}
onMessage={(message) => onExecute(message)}
source={{
html: reCaptchaType == type.invisible ? getInvisibleRecaptchaContent(siteKey, action, onReady) :
getNormalRecaptchaContent(config),
baseUrl: url
}}
onShouldStartLoadWithRequest={this.onShouldStartLoadWithRequest}
onNavigationStateChange = {this.onNavigationStateChange}
/>
);
}
}