/usr/share/php/Symfony/Component/Workflow/EventListener/ExpressionLanguage.php is in php-symfony-workflow 3.4.6+dfsg-1.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Workflow\EventListener;
use Symfony\Component\Security\Core\Authorization\ExpressionLanguage as BaseExpressionLanguage;
use Symfony\Component\Validator\Validator\ValidatorInterface;
use Symfony\Component\Workflow\Exception\RuntimeException;
/**
* Adds some function to the default Symfony Security ExpressionLanguage.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ExpressionLanguage extends BaseExpressionLanguage
{
protected function registerFunctions()
{
parent::registerFunctions();
$this->register('is_granted', function ($attributes, $object = 'null') {
return sprintf('$auth_checker->isGranted(%s, %s)', $attributes, $object);
}, function (array $variables, $attributes, $object = null) {
return $variables['auth_checker']->isGranted($attributes, $object);
});
$this->register('is_valid', function ($object = 'null', $groups = 'null') {
return sprintf('0 === count($validator->validate(%s, null, %s))', $object, $groups);
}, function (array $variables, $object = null, $groups = null) {
if (!$variables['validator'] instanceof ValidatorInterface) {
throw new RuntimeException('"is_valid" cannot be used as the Validator component is not installed.');
}
$errors = $variables['validator']->validate($object, null, $groups);
return 0 === count($errors);
});
}
}
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