diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/SecurityBundle/Templating/Helper/SecurityHelper.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/SecurityBundle/Templating/Helper/SecurityHelper.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,59 @@
+<?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\Bundle\SecurityBundle\Templating\Helper;
+
+use Symfony\Component\Security\Acl\Voter\FieldVote;
+use Symfony\Component\Templating\Helper\Helper;
+use Symfony\Component\Security\Core\SecurityContextInterface;
+
+/**
+ * SecurityHelper provides read-only access to the security context.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class SecurityHelper extends Helper
+{
+    private $context;
+
+    /**
+     * Constructor.
+     *
+     * @param SecurityContextInterface $context A SecurityContext instance
+     */
+    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);
+    }
+
+    /**
+     * Returns the canonical name of this helper.
+     *
+     * @return string The canonical name
+     */
+    public function getName()
+    {
+        return 'security';
+    }
+}