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<?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, $object);
}
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return array(
'is_granted' => new \Twig_Function_Method($this, 'isGranted'),
);
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'security';
}
}
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