4 * This file is part of Twig.
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
13 * @author Fabien Potencier <fabien@symfony.com>
15 class Twig_Node_CheckSecurity extends Twig_Node
17 protected $usedFilters;
19 protected $usedFunctions;
21 public function __construct(array $usedFilters, array $usedTags, array $usedFunctions)
23 $this->usedFilters = $usedFilters;
24 $this->usedTags = $usedTags;
25 $this->usedFunctions = $usedFunctions;
27 parent::__construct();
30 public function compile(Twig_Compiler $compiler)
32 $tags = $filters = $functions = array();
33 foreach (array('tags', 'filters', 'functions') as $type) {
34 foreach ($this->{'used'.ucfirst($type)} as $name => $node) {
35 if ($node instanceof Twig_Node) {
36 ${$type}[$name] = $node->getTemplateLine();
38 ${$type}[$node] = null;
44 ->write('$tags = ')->repr(array_filter($tags))->raw(";\n")
45 ->write('$filters = ')->repr(array_filter($filters))->raw(";\n")
46 ->write('$functions = ')->repr(array_filter($functions))->raw(";\n\n")
49 ->write("\$this->env->getExtension('Twig_Extension_Sandbox')->checkSecurity(\n")
51 ->write(!$tags ? "array(),\n" : "array('".implode("', '", array_keys($tags))."'),\n")
52 ->write(!$filters ? "array(),\n" : "array('".implode("', '", array_keys($filters))."'),\n")
53 ->write(!$functions ? "array()\n" : "array('".implode("', '", array_keys($functions))."')\n")
57 ->write("} catch (Twig_Sandbox_SecurityError \$e) {\n")
59 ->write("\$e->setSourceContext(\$this->getSourceContext());\n\n")
60 ->write("if (\$e instanceof Twig_Sandbox_SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n")
62 ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n")
64 ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n")
66 ->write("\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n")
68 ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFunctionError && isset(\$functions[\$e->getFunctionName()])) {\n")
70 ->write("\$e->setTemplateLine(\$functions[\$e->getFunctionName()]);\n")
73 ->write("throw \$e;\n")
80 class_alias('Twig_Node_CheckSecurity', 'Twig\Node\CheckSecurityNode', false);