mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/ConfirmEdit
synced 2024-11-30 19:04:29 +00:00
36abbc6288
This change adds a new Captcha type (ReCaptchaNoCaptcha) that uses Google reCAPTCHA 2.0. See more: - https://www.google.com/recaptcha/intro/ - https://developers.google.com/recaptcha/docs/display - https://developers.google.com/recaptcha/docs/faq - http://googleonlinesecurity.blogspot.com/2014/12/are-you-robot-introducing-no-captcha.html Bug: T84918 Change-Id: I5908fd2716786237adb01a403d5bd1e22d95c563
102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
<?php
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class ReCaptcha extends SimpleCaptcha {
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// reCAPTHCA error code returned from recaptcha_check_answer
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private $recaptcha_error = null;
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/**
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* Displays the reCAPTCHA widget.
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* If $this->recaptcha_error is set, it will display an error in the widget.
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* @param OutputPage $out
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*/
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function getForm( OutputPage $out ) {
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global $wgReCaptchaPublicKey, $wgReCaptchaTheme;
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$useHttps = ( isset( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] == 'on' );
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$js = 'var RecaptchaOptions = ' . Xml::encodeJsVar( array( 'theme' => $wgReCaptchaTheme, 'tabindex' => 1 ) );
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return Html::inlineScript( $js ) . recaptcha_get_html( $wgReCaptchaPublicKey, $this->recaptcha_error, $useHttps );
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}
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/**
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* Calls the library function recaptcha_check_answer to verify the users input.
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* Sets $this->recaptcha_error if the user is incorrect.
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* @return boolean
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*
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*/
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function passCaptcha() {
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global $wgReCaptchaPrivateKey, $wgRequest;
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// API is hardwired to return wpCaptchaId and wpCaptchaWord, so use that if the standard two are empty
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$challenge = $wgRequest->getVal( 'recaptcha_challenge_field', $wgRequest->getVal( 'wpCaptchaId' ) );
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$response = $wgRequest->getVal( 'recaptcha_response_field', $wgRequest->getVal( 'wpCaptchaWord' ) );
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if ( $response === null ) {
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// new captcha session
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return false;
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}
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$ip = $wgRequest->getIP();
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$recaptcha_response = recaptcha_check_answer(
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$wgReCaptchaPrivateKey,
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$ip,
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$challenge,
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$response
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);
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if ( !$recaptcha_response->is_valid ) {
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$this->recaptcha_error = $recaptcha_response->error;
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return false;
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}
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$recaptcha_error = null;
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return true;
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}
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function addCaptchaAPI( &$resultArr ) {
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global $wgReCaptchaPublicKey;
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$resultArr['captcha']['type'] = 'recaptcha';
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$resultArr['captcha']['mime'] = 'image/png';
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$resultArr['captcha']['key'] = $wgReCaptchaPublicKey;
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$resultArr['captcha']['error'] = $this->recaptcha_error;
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}
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/**
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* Show a message asking the user to enter a captcha on edit
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* The result will be treated as wiki text
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*
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* @param $action string Action being performed
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* @return string
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*/
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function getMessage( $action ) {
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$name = 'recaptcha-' . $action;
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$text = wfMessage( $name )->text();
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# Obtain a more tailored message, if possible, otherwise, fall back to
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# the default for edits
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return wfMessage( $name, $text )->isDisabled() ? wfMessage( 'recaptcha-edit' )->text() : $text;
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}
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public function APIGetAllowedParams( &$module, &$params, $flags ) {
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if ( $flags && $this->isAPICaptchaModule( $module ) ) {
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$params['recaptcha_challenge_field'] = null;
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$params['recaptcha_response_field'] = null;
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}
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return true;
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}
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public function APIGetParamDescription( &$module, &$desc ) {
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if ( $this->isAPICaptchaModule( $module ) ) {
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$desc['recaptcha_challenge_field'] = 'Field from the ReCaptcha widget';
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$desc['recaptcha_response_field'] = 'Field from the ReCaptcha widget';
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}
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return true;
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}
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}
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