* @ingroup Extensions */ namespace MediaWiki\Extension\ConfirmEdit\QuestyCaptcha; use MediaWiki\Auth\AuthenticationRequest; use MediaWiki\Context\RequestContext; use MediaWiki\Extension\ConfirmEdit\Auth\CaptchaAuthenticationRequest; use MediaWiki\Extension\ConfirmEdit\SimpleCaptcha\SimpleCaptcha; use MediaWiki\Extension\ConfirmEdit\Store\CaptchaStore; use MediaWiki\Html\Html; use Xml; class QuestyCaptcha extends SimpleCaptcha { /** * @var string used for questycaptcha-edit, questycaptcha-addurl, questycaptcha-badlogin, * questycaptcha-createaccount, questycaptcha-create, questycaptcha-sendemail via getMessage() */ protected static $messagePrefix = 'questycaptcha-'; /** * Validate a CAPTCHA response * * @note Trimming done as per T368112 * * @param string $answer * @param array $info * @return bool */ protected function keyMatch( $answer, $info ) { if ( is_array( $info['answer'] ) ) { return in_array( strtolower( trim( $answer ) ), array_map( 'strtolower', $info['answer'] ) ); } else { return strtolower( trim( $answer ) ) == strtolower( $info['answer'] ); } } /** * @param array &$resultArr */ protected function addCaptchaAPI( &$resultArr ) { $captcha = $this->getCaptcha(); $index = $this->storeCaptcha( $captcha ); $resultArr['captcha'] = $this->describeCaptchaType(); $resultArr['captcha']['id'] = $index; $resultArr['captcha']['question'] = $captcha['question']; } /** * @return array */ public function describeCaptchaType() { return [ 'type' => 'question', 'mime' => 'text/html', ]; } /** * @return array */ public function getCaptcha() { global $wgCaptchaQuestions; // Backwards compatibility if ( $wgCaptchaQuestions === array_values( $wgCaptchaQuestions ) ) { return $wgCaptchaQuestions[ mt_rand( 0, count( $wgCaptchaQuestions ) - 1 ) ]; } $question = array_rand( $wgCaptchaQuestions, 1 ); $answer = $wgCaptchaQuestions[ $question ]; return [ 'question' => $question, 'answer' => $answer ]; } /** * @param int $tabIndex * @return array */ public function getFormInformation( $tabIndex = 1 ) { $captcha = $this->getCaptcha(); if ( !$captcha ) { die( "No questions found; set some in LocalSettings.php using the format from QuestyCaptcha.php." ); } $index = $this->storeCaptcha( $captcha ); return [ 'html' => "
" . Html::element( 'input', [ 'name' => 'wpCaptchaWord', 'id' => 'wpCaptchaWord', 'required', 'autocomplete' => 'off', // tab in before the edit textarea 'tabindex' => $tabIndex ] ) . "
\n" . Xml::element( 'input', [ 'type' => 'hidden', 'name' => 'wpCaptchaId', 'id' => 'wpCaptchaId', 'value' => $index ] ) ]; } public function showHelp() { $context = RequestContext::getMain(); $out = $context->getOutput(); $out->setPageTitleMsg( $context->msg( 'captchahelp-title' ) ); $out->addWikiMsg( 'questycaptchahelp-text' ); if ( CaptchaStore::get()->cookiesNeeded() ) { $out->addWikiMsg( 'captchahelp-cookies-needed' ); } } /** * @param array $captchaData * @param string $id * @return mixed */ public function getCaptchaInfo( $captchaData, $id ) { return $captchaData['question']; } /** * @param array $requests * @param array $fieldInfo * @param array &$formDescriptor * @param string $action */ public function onAuthChangeFormFields( array $requests, array $fieldInfo, array &$formDescriptor, $action ) { /** @var CaptchaAuthenticationRequest $req */ $req = AuthenticationRequest::getRequestByClass( $requests, CaptchaAuthenticationRequest::class, true ); if ( !$req ) { return; } // declare RAW HTML output. $formDescriptor['captchaInfo']['raw'] = true; $formDescriptor['captchaWord']['label-message'] = null; } } class_alias( QuestyCaptcha::class, 'QuestyCaptcha' );