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QuestyCaptcha.php
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QuestyCaptcha.php
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<?php
/**
* QuestyCaptcha class
*
* @file
* @author Benjamin Lees <emufarmers@gmail.com>
* @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 MediaWiki\Xml\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( $captcha );
return [
'html' => "<p><label for=\"wpCaptchaWord\">{$captcha['question']}</label> " .
Html::element( 'input', [
'name' => 'wpCaptchaWord',
'id' => 'wpCaptchaWord',
'required',
'autocomplete' => 'off',
// tab in before the edit textarea
'tabindex' => $tabIndex ]
) . "</p>\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' );

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QuestyCaptcha.php (3 KB)

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