diff options
Diffstat (limited to 'extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php')
| -rw-r--r-- | extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php b/extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php new file mode 100644 index 00000000..7631b82f --- /dev/null +++ b/extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php @@ -0,0 +1,148 @@ +<?php +class ReCaptchaNoCaptcha extends SimpleCaptcha { + private $error = null; + /** + * Get the captcha form. + * @return string + */ + function getForm( OutputPage $out ) { + global $wgReCaptchaSiteKey; + + // Insert reCAPTCHA script. + // See https://developers.google.com/recaptcha/docs/faq + $out->addHeadItem( + 'g-recaptchascript', + '<script src="https://www.google.com/recaptcha/api.js" async defer></script>' + ); + $output = Html::element( 'div', array( + 'class' => array( + 'g-recaptcha', + 'mw-confirmedit-captcha-fail' => !!$this->error, + ), + 'data-sitekey' => $wgReCaptchaSiteKey + ) ); + $htmlUrlencoded = htmlspecialchars( urlencode( $wgReCaptchaSiteKey ) ); + $output .= <<<HTML +<noscript> + <div style="width: 302px; height: 422px;"> + <div style="width: 302px; height: 422px; position: relative;"> + <div style="width: 302px; height: 422px; position: absolute;"> + <iframe src="https://www.google.com/recaptcha/api/fallback?k={$htmlUrlencoded}" + frameborder="0" scrolling="no" + style="width: 302px; height:422px; border-style: none;"> + </iframe> + </div> + <div style="width: 300px; height: 60px; border-style: none; + bottom: 12px; left: 25px; margin: 0px; padding: 0px; right: 25px; + background: #f9f9f9; border: 1px solid #c1c1c1; border-radius: 3px;"> + <textarea id="g-recaptcha-response" name="g-recaptcha-response" + class="g-recaptcha-response" + style="width: 250px; height: 40px; border: 1px solid #c1c1c1; + margin: 10px 25px; padding: 0px; resize: none;" > + </textarea> + </div> + </div> + </div> +</noscript> +HTML; + return $output; + } + + protected function logCheckError( $info ) { + if ( $info instanceof Status ) { + $errors = $status->getErrorsArray(); + $error = $errors[0][0]; + } elseif ( is_array( $info ) ) { + $error = implode( ',', $info ); + } else { + $error = $info; + } + wfDebugLog( 'captcha', 'Unable to validate response: ' . $error ); + } + + /** + * Check, if the user solved the captcha. + * + * Based on reference implementation: + * https://github.com/google/recaptcha#php + * + * @return boolean + */ + function passCaptcha() { + global $wgRequest, $wgReCaptchaSecretKey, $wgReCaptchaSendRemoteIP; + + $url = 'https://www.google.com/recaptcha/api/siteverify'; + // Build data to append to request + $data = array( + 'secret' => $wgReCaptchaSecretKey, + 'response' => $wgRequest->getVal( 'g-recaptcha-response' ), + ); + if ( $wgReCaptchaSendRemoteIP ) { + $data['remoteip'] = $wgRequest->getIP(); + } + $url = wfAppendQuery( $url, $data ); + $request = MWHttpRequest::factory( $url, array( 'method' => 'GET' ) ); + $status = $request->execute(); + if ( !$status->isOK() ) { + $this->error = 'http'; + $this->logStatusError( $status ); + return false; + } + $response = FormatJson::decode( $request->getContent(), true ); + if ( !$response ) { + $this->error = 'json'; + $this->logStatusError( $this->error ); + return false; + } + if ( isset( $response['error-codes'] ) ) { + $this->error = 'recaptcha-api'; + $this->logCheckError( $response['error-codes'] ); + return false; + } + + return $response['success']; + } + + function addCaptchaAPI( &$resultArr ) { + global $wgReCaptchaSiteKey; + + $resultArr['captcha']['type'] = 'recaptchanocaptcha'; + $resultArr['captcha']['mime'] = 'image/png'; + $resultArr['captcha']['key'] = $wgReCaptchaSiteKey; + $resultArr['captcha']['error'] = $this->error; + } + + /** + * Show a message asking the user to enter a captcha on edit + * The result will be treated as wiki text + * + * @param $action string Action being performed + * @return string Wikitext + */ + function getMessage( $action ) { + $name = 'renocaptcha-' . $action; + $msg = wfMessage( $name ); + + $text = $msg->isDisabled() ? wfMessage( 'renocaptcha-edit' )->text() : $msg->text(); + if ( $this->error ) { + $text = '<div class="error">' . $text . '</div>'; + } + return $text; + } + + public function APIGetAllowedParams( &$module, &$params, $flags ) { + if ( $flags && $this->isAPICaptchaModule( $module ) ) { + $params['g-recaptcha-response'] = null; + } + + return true; + } + + public function APIGetParamDescription( &$module, &$desc ) { + if ( $this->isAPICaptchaModule( $module ) ) { + $desc['g-recaptcha-response'] = 'Field from the ReCaptcha widget'; + } + + return true; + } +} |