name : SecurityExtension.php <?php /* * 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\Bridge\Twig\Extension; use Symfony\Component\Security\Acl\Voter\FieldVote; use Symfony\Component\Security\Core\SecurityContextInterface; /** * SecurityExtension exposes security context features. * * @author Fabien Potencier <fabien@symfony.com> */ class SecurityExtension extends \Twig_Extension { private $context; public function __construct(SecurityContextInterface $context = null) { $this->context = $context; } public function isGranted($role, $object = null, $field = null) { if (null === $this->context) { return false; } if (null !== $field) { $object = new FieldVote($object, $field); } return $this->context->isGranted($role, $object); } /** * {@inheritdoc} */ public function getFunctions() { return array( new \Twig_SimpleFunction('is_granted', array($this, 'isGranted')), ); } /** * Returns the name of the extension. * * @return string The extension name */ public function getName() { return 'security'; } }