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Diffstat (limited to 'extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php')
-rw-r--r--extensions/ConfirmEdit/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php148
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
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+++ 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;
+ }
+}