vendor/twig/twig/lib/Twig/Node/SandboxedModule.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2009 Fabien Potencier
   7  * (c) 2009 Armin Ronacher
   8  *
   9  * For the full copyright and license information, please view the LICENSE
  10  * file that was distributed with this source code.
  11  */
  12
  13 /**
  14  * Represents a module node.
  15  *
  16  * @author Fabien Potencier <fabien@symfony.com>
  17  */
  18 class Twig_Node_SandboxedModule extends Twig_Node_Module
  19 {
  20     protected $usedFilters;
  21     protected $usedTags;
  22     protected $usedFunctions;
  23
  24     public function __construct(Twig_Node_Module $node, array $usedFilters, array $usedTags, array $usedFunctions)
  25     {
  26         parent::__construct($node->getNode('body'), $node->getNode('parent'), $node->getNode('blocks'), $node->getNode('macros'), $node->getNode('traits'), $node->getAttribute('embedded_templates'), $node->getAttribute('filename'), $node->getLine(), $node->getNodeTag());
  27
  28         $this->setAttribute('index', $node->getAttribute('index'));
  29
  30         $this->usedFilters = $usedFilters;
  31         $this->usedTags = $usedTags;
  32         $this->usedFunctions = $usedFunctions;
  33     }
  34
  35     protected function compileDisplayBody(Twig_Compiler $compiler)
  36     {
  37         $compiler->write("\$this->checkSecurity();\n");
  38
  39         parent::compileDisplayBody($compiler);
  40     }
  41
  42     protected function compileDisplayFooter(Twig_Compiler $compiler)
  43     {
  44         parent::compileDisplayFooter($compiler);
  45
  46         $compiler
  47             ->write("protected function checkSecurity()\n", "{\n")
  48             ->indent()
  49             ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")
  50             ->indent()
  51             ->write(!$this->usedTags ? "array(),\n" : "array('".implode('\', \'', $this->usedTags)."'),\n")
  52             ->write(!$this->usedFilters ? "array(),\n" : "array('".implode('\', \'', $this->usedFilters)."'),\n")
  53             ->write(!$this->usedFunctions ? "array()\n" : "array('".implode('\', \'', $this->usedFunctions)."')\n")
  54             ->outdent()
  55             ->write(");\n")
  56             ->outdent()
  57             ->write("}\n\n")
  58         ;
  59     }
  60 }