getCode() ) ); $output = Html::element( 'div', [ 'class' => [ 'g-recaptcha', 'mw-confirmedit-captcha-fail' => (bool)$this->error, ], 'data-sitekey' => $wgReCaptchaSiteKey ] ); $htmlUrlencoded = htmlspecialchars( urlencode( $wgReCaptchaSiteKey ) ); $output .= <<
HTML; return [ 'html' => $output, 'headitems' => [ // Insert reCAPTCHA script, in display language, if available. // Language falls back to the browser's display language. // See https://developers.google.com/recaptcha/docs/faq "" ] ]; } /** * @param Status|array|string $info */ protected function logCheckError( $info ) { if ( $info instanceof Status ) { $errors = $info->getErrorsArray(); $error = $errors[0][0]; } elseif ( is_array( $info ) ) { $error = implode( ',', $info ); } else { $error = $info; } wfDebugLog( 'captcha', 'Unable to validate response: ' . $error ); } /** * @param WebRequest $request * @return array */ protected function getCaptchaParamsFromRequest( WebRequest $request ) { // ReCaptchaNoCaptcha combines captcha ID + solution into a single value // API is hardwired to return captchaWord, so use that if the standard isempty // "captchaWord" is sent as "captchaword" by visual editor $index = 'not used'; $response = $request->getVal( 'g-recaptcha-response', $request->getVal( 'captchaWord', $request->getVal( 'captchaword' ) ) ); return [ $index, $response ]; } /** * Check, if the user solved the captcha. * * Based on reference implementation: * https://github.com/google/recaptcha#php * * @param mixed $_ Not used (ReCaptcha v2 puts index and solution in a single string) * @param string $word captcha solution * @return bool */ protected function passCaptcha( $_, $word ) { global $wgRequest, $wgReCaptchaSecretKey, $wgReCaptchaSendRemoteIP; $url = 'https://www.recaptcha.net/recaptcha/api/siteverify'; // Build data to append to request $data = [ 'secret' => $wgReCaptchaSecretKey, 'response' => $word, ]; if ( $wgReCaptchaSendRemoteIP ) { $data['remoteip'] = $wgRequest->getIP(); } $url = wfAppendQuery( $url, $data ); $request = MediaWikiServices::getInstance()->getHttpRequestFactory() ->create( $url, [ 'method' => 'GET' ], __METHOD__ ); $status = $request->execute(); if ( !$status->isOK() ) { $this->error = 'http'; $this->logCheckError( $status ); return false; } $response = FormatJson::decode( $request->getContent(), true ); if ( !$response ) { $this->error = 'json'; $this->logCheckError( $this->error ); return false; } if ( isset( $response['error-codes'] ) ) { $this->error = 'recaptcha-api'; $this->logCheckError( $response['error-codes'] ); return false; } return $response['success']; } /** * @param array &$resultArr */ protected function addCaptchaAPI( &$resultArr ) { $resultArr['captcha'] = $this->describeCaptchaType(); $resultArr['captcha']['error'] = $this->error; } /** * @return array */ public function describeCaptchaType() { global $wgReCaptchaSiteKey; return [ 'type' => 'recaptchanocaptcha', 'mime' => 'image/png', 'key' => $wgReCaptchaSiteKey, ]; } /** * Show a message asking the user to enter a captcha on edit * The result will be treated as wiki text * * @param string $action Action being performed * @return Message */ public function getMessage( $action ) { $msg = parent::getMessage( $action ); if ( $this->error ) { $msg = new RawMessage( '
$1
', [ $msg ] ); } return $msg; } /** * @param ApiBase $module * @param array &$params * @param int $flags * @return bool */ public function apiGetAllowedParams( ApiBase $module, &$params, $flags ) { if ( $flags && $this->isAPICaptchaModule( $module ) ) { $params['g-recaptcha-response'] = [ ApiBase::PARAM_HELP_MSG => 'renocaptcha-apihelp-param-g-recaptcha-response', ]; } return true; } /** * @inheritDoc */ public function getError() { return $this->error; } /** * @inheritDoc */ public function storeCaptcha( $info ) { // ReCaptcha is stored by Google; the ID will be generated at that time as well, and // the one returned here won't be used. Just pretend this worked. return 'not used'; } /** * @inheritDoc */ public function retrieveCaptcha( $index ) { // just pretend it worked return [ 'index' => $index ]; } /** * @inheritDoc */ public function getCaptcha() { // ReCaptcha is handled by frontend code + an external provider; nothing to do here. return []; } /** * @return ReCaptchaNoCaptchaAuthenticationRequest */ public function createAuthenticationRequest() { return new ReCaptchaNoCaptchaAuthenticationRequest(); } /** * @param array $requests * @param array $fieldInfo * @param array &$formDescriptor * @param string $action */ public function onAuthChangeFormFields( array $requests, array $fieldInfo, array &$formDescriptor, $action ) { global $wgReCaptchaSiteKey; $req = AuthenticationRequest::getRequestByClass( $requests, CaptchaAuthenticationRequest::class, true ); if ( !$req ) { return; } // ugly way to retrieve error information $captcha = ConfirmEditHooks::getInstance(); $formDescriptor['captchaWord'] = [ 'class' => HTMLReCaptchaNoCaptchaField::class, 'key' => $wgReCaptchaSiteKey, 'error' => $captcha->getError(), ] + $formDescriptor['captchaWord']; } }