initial import

lib/classes/Twig/Node/SandboxedModule.php

@@ -0,0 +1,68 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a module node.
+ *
+ * @package    twig
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ */
+class Twig_Node_SandboxedModule extends Twig_Node_Module
+{
+    protected $usedFilters;
+    protected $usedTags;
+
+    public function __construct(Twig_Node_Module $node, array $usedFilters, array $usedTags)
+    {
+        parent::__construct($node->getNode('body'), $node->getNode('parent'), $node->getNode('blocks'), $node->getNode('macros'), $node->getAttribute('filename'), $node->getLine(), $node->getNodeTag());
+
+        $this->usedFilters = $usedFilters;
+        $this->usedTags = $usedTags;
+    }
+
+    protected function compileDisplayBody($compiler)
+    {
+        if (null === $this->getNode('parent')) {
+            $compiler->write("\$this->checkSecurity();\n");
+        }
+
+        parent::compileDisplayBody($compiler);
+    }
+
+    protected function compileDisplayFooter($compiler)
+    {
+        parent::compileDisplayFooter($compiler);
+
+        $compiler
+            ->write("protected function checkSecurity() {\n")
+            ->indent()
+            ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")
+            ->indent()
+            ->write(!$this->usedTags ? "array(),\n" : "array('".implode('\', \'', $this->usedTags)."'),\n")
+            ->write(!$this->usedFilters ? "array()\n" : "array('".implode('\', \'', $this->usedFilters)."')\n")
+            ->outdent()
+            ->write(");\n")
+        ;
+
+        if (null !== $this->getNode('parent')) {
+            $compiler
+                ->raw("\n")
+                ->write("\$this->parent->checkSecurity();\n")
+            ;
+        }
+
+        $compiler
+            ->outdent()
+            ->write("}\n\n")
+        ;
+    }
+}