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<?php
use MediaWiki\Auth\AuthenticationRequest;
use MediaWiki\Auth\AuthManager;
/**
* Generic captcha authentication request class. A captcha consist some data stored in the session
* (e.g. a question and its answer), an ID that references the data, and a solution.
*/
class CaptchaAuthenticationRequest extends AuthenticationRequest {
/** @var string Identifier of the captcha. Used internally to remember which captcha was used. */
public $captchaId;
/** @var array Information about the captcha (e.g. question text; solution). Exact semantics
* differ between types. */
public $captchaData;
/** @var string Captcha solution submitted by the user. */
public $captchaWord;
public function __construct( $id, $data ) {
$this->captchaId = $id;
$this->captchaData = $data;
}
public function loadFromSubmission( array $data ) {
$success = parent::loadFromSubmission( $data );
if ( $success ) {
// captchaId and captchaWord was set from the submission but captchaData was not.
$captcha = ConfirmEditHooks::getInstance();
$this->captchaData = $captcha->retrieveCaptcha( $this->captchaId );
if ( !$this->captchaData ) {
return false;
}
}
return $success;
}
public function getFieldInfo() {
$captcha = ConfirmEditHooks::getInstance();
$action = 'generic'; // doesn't actually exist but *Captcha::getMessage will handle that
switch ( $this->action ) {
case AuthManager::ACTION_LOGIN:
$action = 'badlogin';
break;
case AuthManager::ACTION_CREATE:
$action = 'createaccount';
break;
}
$fields = [
'captchaId' => [
'type' => 'hidden',
'value' => $this->captchaId,
'label' => wfMessage( 'captcha-id-label' ),
'help' => wfMessage( 'captcha-id-help' ),
],
'captchaInfo' => [
'type' => 'null',
'label' => $captcha->getMessage( $action ),
'value' => $captcha->getCaptchaInfo( $this->captchaData, $this->captchaId ),
'help' => wfMessage( 'captcha-info-help' ),
],
'captchaWord' => [
'type' => 'string',
'label' => wfMessage( 'captcha-label' ),
'help' => wfMessage( 'captcha-help' ),
],
];
return $fields;
}
public function getMetadata() {
$captcha = ConfirmEditHooks::getInstance();
return $captcha->describeCaptchaType();
}
public static function __set_state( $data ) {
$ret = new static( null, null );
foreach ( $data as $k => $v ) {
$ret->$k = $v;
}
return $ret;
}
}
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