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msd2/phpBB3/vendor/symfony/twig-bridge/Extension/SecurityExtension.php

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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\Authorization\AuthorizationCheckerInterface;
+use Symfony\Component\Security\Core\Exception\AuthenticationCredentialsNotFoundException;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+/**
+ * SecurityExtension exposes security context features.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class SecurityExtension extends AbstractExtension
+{
+    private $securityChecker;
+
+    public function __construct(AuthorizationCheckerInterface $securityChecker = null)
+    {
+        $this->securityChecker = $securityChecker;
+    }
+
+    public function isGranted($role, $object = null, $field = null)
+    {
+        if (null === $this->securityChecker) {
+            return false;
+        }
+
+        if (null !== $field) {
+            $object = new FieldVote($object, $field);
+        }
+
+        try {
+            return $this->securityChecker->isGranted($role, $object);
+        } catch (AuthenticationCredentialsNotFoundException $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFunctions()
+    {
+        return array(
+            new TwigFunction('is_granted', array($this, 'isGranted')),
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'security';
+    }
+}