diff options
Diffstat (limited to 'public/system/library/template/Twig/Node/CheckSecurity.php')
-rw-r--r-- | public/system/library/template/Twig/Node/CheckSecurity.php | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/public/system/library/template/Twig/Node/CheckSecurity.php b/public/system/library/template/Twig/Node/CheckSecurity.php new file mode 100644 index 0000000..b4a436a --- /dev/null +++ b/public/system/library/template/Twig/Node/CheckSecurity.php @@ -0,0 +1,78 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2015 Fabien Potencier + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * @author Fabien Potencier <fabien@symfony.com> + */ +class Twig_Node_CheckSecurity extends Twig_Node +{ + protected $usedFilters; + protected $usedTags; + protected $usedFunctions; + + public function __construct(array $usedFilters, array $usedTags, array $usedFunctions) + { + $this->usedFilters = $usedFilters; + $this->usedTags = $usedTags; + $this->usedFunctions = $usedFunctions; + + parent::__construct(); + } + + public function compile(Twig_Compiler $compiler) + { + $tags = $filters = $functions = array(); + foreach (array('tags', 'filters', 'functions') as $type) { + foreach ($this->{'used'.ucfirst($type)} as $name => $node) { + if ($node instanceof Twig_Node) { + ${$type}[$name] = $node->getLine(); + } else { + ${$type}[$node] = null; + } + } + } + + $compiler + ->write('$tags = ')->repr(array_filter($tags))->raw(";\n") + ->write('$filters = ')->repr(array_filter($filters))->raw(";\n") + ->write('$functions = ')->repr(array_filter($functions))->raw(";\n\n") + ->write("try {\n") + ->indent() + ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n") + ->indent() + ->write(!$tags ? "array(),\n" : "array('".implode("', '", array_keys($tags))."'),\n") + ->write(!$filters ? "array(),\n" : "array('".implode("', '", array_keys($filters))."'),\n") + ->write(!$functions ? "array()\n" : "array('".implode("', '", array_keys($functions))."')\n") + ->outdent() + ->write(");\n") + ->outdent() + ->write("} catch (Twig_Sandbox_SecurityError \$e) {\n") + ->indent() + ->write("\$e->setTemplateFile(\$this->getTemplateName());\n\n") + ->write("if (\$e instanceof Twig_Sandbox_SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n") + ->indent() + ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n") + ->outdent() + ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n") + ->indent() + ->write("\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n") + ->outdent() + ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFunctionError && isset(\$functions[\$e->getFunctionName()])) {\n") + ->indent() + ->write("\$e->setTemplateLine(\$functions[\$e->getFunctionName()]);\n") + ->outdent() + ->write("}\n\n") + ->write("throw \$e;\n") + ->outdent() + ->write("}\n\n") + ; + } +} |