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<?php
/**
* @author Bachsau
* @author Niklas Laxström
*/
class Asirra extends SimpleCaptcha {
public $asirra_clientscript = 'http://challenge.asirra.com/js/AsirraClientSide.js';
// As we don't have to store anything but some other things to do,
// we're going to replace that constructor completely.
function __construct() {
global $wgExtensionAssetsPath, $wgAsirraScriptPath;
$this->asirra_localpath = "$wgExtensionAssetsPath/ConfirmEdit";
}
function getForm() {
global $wgAsirraEnlargedPosition, $wgAsirraCellsPerRow, $wgOut, $wgLang;
$wgOut->addModules( 'ext.confirmedit.asirra' );
$js = Html::linkedScript( $this->asirra_clientscript );
$message = Xml::encodeJsVar( wfMessage( 'asirra-createaccount-fail' )->plain() );
$js .= Html::inlineScript( <<<JAVASCRIPT
var asirra_js_failed = '$message';
JAVASCRIPT
);
$js .= '<noscript>' . wfMessage( 'asirra-nojs' )->parse() . '</noscript>';
return $js;
}
function passCaptcha() {
global $wgRequest;
$ticket = $wgRequest->getVal( 'Asirra_Ticket' );
$api = 'http://challenge.asirra.com/cgi/Asirra?';
$params = array(
'action' => 'ValidateTicket',
'ticket' => $ticket,
);
$response = Http::get( $api . wfArrayToCgi( $params ) );
$xml = simplexml_load_string( $response );
$result = $xml->xpath( '/AsirraValidation/Result' );
return strval( $result[0] ) === 'Pass';
}
}
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