2014-12-14 20:47:55 +00:00
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<?php
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class ReCaptchaNoCaptcha extends SimpleCaptcha {
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private $error = null;
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/**
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* Get the captcha form.
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* @return string
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*/
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2015-09-23 06:05:28 +00:00
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function getForm( OutputPage $out, $tabIndex = 1 ) {
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2014-12-14 20:47:55 +00:00
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global $wgReCaptchaSiteKey;
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2015-12-26 19:39:19 +00:00
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$lang = htmlspecialchars( urlencode( $out->getLanguage()->getCode() ) );
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2014-12-14 20:47:55 +00:00
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2015-12-26 19:39:19 +00:00
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// Insert reCAPTCHA script, in display language, if available.
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// Language falls back to the browser's display language.
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2014-12-14 20:47:55 +00:00
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// See https://developers.google.com/recaptcha/docs/faq
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$out->addHeadItem(
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'g-recaptchascript',
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2015-12-26 19:39:19 +00:00
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"<script src=\"https://www.google.com/recaptcha/api.js?hl={$lang}\" async defer></script>"
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2014-12-14 20:47:55 +00:00
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);
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$output = Html::element( 'div', array(
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'class' => array(
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'g-recaptcha',
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'mw-confirmedit-captcha-fail' => !!$this->error,
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),
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'data-sitekey' => $wgReCaptchaSiteKey
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) );
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$htmlUrlencoded = htmlspecialchars( urlencode( $wgReCaptchaSiteKey ) );
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$output .= <<<HTML
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<noscript>
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<div style="width: 302px; height: 422px;">
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<div style="width: 302px; height: 422px; position: relative;">
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<div style="width: 302px; height: 422px; position: absolute;">
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2015-12-26 19:39:19 +00:00
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<iframe src="https://www.google.com/recaptcha/api/fallback?k={$htmlUrlencoded}&hl={$lang}"
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2014-12-14 20:47:55 +00:00
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frameborder="0" scrolling="no"
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style="width: 302px; height:422px; border-style: none;">
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</iframe>
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</div>
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<div style="width: 300px; height: 60px; border-style: none;
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bottom: 12px; left: 25px; margin: 0px; padding: 0px; right: 25px;
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background: #f9f9f9; border: 1px solid #c1c1c1; border-radius: 3px;">
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<textarea id="g-recaptcha-response" name="g-recaptcha-response"
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class="g-recaptcha-response"
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style="width: 250px; height: 40px; border: 1px solid #c1c1c1;
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margin: 10px 25px; padding: 0px; resize: none;" >
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</textarea>
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</div>
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</div>
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</div>
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</noscript>
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HTML;
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return $output;
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}
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protected function logCheckError( $info ) {
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if ( $info instanceof Status ) {
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2015-10-19 10:49:56 +00:00
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$errors = $info->getErrorsArray();
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2014-12-14 20:47:55 +00:00
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$error = $errors[0][0];
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} elseif ( is_array( $info ) ) {
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$error = implode( ',', $info );
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} else {
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$error = $info;
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}
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2015-10-19 10:49:56 +00:00
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2014-12-14 20:47:55 +00:00
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wfDebugLog( 'captcha', 'Unable to validate response: ' . $error );
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}
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/**
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* Check, if the user solved the captcha.
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*
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* Based on reference implementation:
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* https://github.com/google/recaptcha#php
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*
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* @return boolean
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*/
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function passCaptcha() {
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global $wgRequest, $wgReCaptchaSecretKey, $wgReCaptchaSendRemoteIP;
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$url = 'https://www.google.com/recaptcha/api/siteverify';
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// Build data to append to request
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$data = array(
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'secret' => $wgReCaptchaSecretKey,
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'response' => $wgRequest->getVal( 'g-recaptcha-response' ),
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);
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if ( $wgReCaptchaSendRemoteIP ) {
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$data['remoteip'] = $wgRequest->getIP();
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}
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$url = wfAppendQuery( $url, $data );
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$request = MWHttpRequest::factory( $url, array( 'method' => 'GET' ) );
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$status = $request->execute();
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if ( !$status->isOK() ) {
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$this->error = 'http';
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2015-10-14 12:42:38 +00:00
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$this->logCheckError( $status );
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2014-12-14 20:47:55 +00:00
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return false;
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}
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$response = FormatJson::decode( $request->getContent(), true );
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if ( !$response ) {
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$this->error = 'json';
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2015-10-14 12:42:38 +00:00
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$this->logCheckError( $this->error );
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2014-12-14 20:47:55 +00:00
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return false;
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}
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if ( isset( $response['error-codes'] ) ) {
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$this->error = 'recaptcha-api';
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$this->logCheckError( $response['error-codes'] );
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return false;
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}
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return $response['success'];
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}
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function addCaptchaAPI( &$resultArr ) {
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global $wgReCaptchaSiteKey;
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$resultArr['captcha']['type'] = 'recaptchanocaptcha';
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$resultArr['captcha']['mime'] = 'image/png';
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$resultArr['captcha']['key'] = $wgReCaptchaSiteKey;
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$resultArr['captcha']['error'] = $this->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 Wikitext
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*/
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function getMessage( $action ) {
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$name = 'renocaptcha-' . $action;
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$msg = wfMessage( $name );
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$text = $msg->isDisabled() ? wfMessage( 'renocaptcha-edit' )->text() : $msg->text();
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if ( $this->error ) {
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$text = '<div class="error">' . $text . '</div>';
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}
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return $text;
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}
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public function APIGetAllowedParams( &$module, &$params, $flags ) {
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if ( $flags && $this->isAPICaptchaModule( $module ) ) {
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2015-12-18 16:44:37 +00:00
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if ( defined( 'ApiBase::PARAM_HELP_MSG' ) ) {
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$params['g-recaptcha-response'] = array(
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ApiBase::PARAM_HELP_MSG => 'renocaptcha-apihelp-param-g-recaptcha-response',
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);
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} else {
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// @todo: Remove this branch when support for MediaWiki < 1.25 is dropped
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$params['g-recaptcha-response'] = null;
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}
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2014-12-14 20:47:55 +00:00
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}
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return true;
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}
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2015-12-18 16:44:37 +00:00
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/**
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* @deprecated since MediaWiki 1.25
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*/
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2014-12-14 20:47:55 +00:00
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public function APIGetParamDescription( &$module, &$desc ) {
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if ( $this->isAPICaptchaModule( $module ) ) {
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$desc['g-recaptcha-response'] = '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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