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<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Node; use Twig\Compiler; /** * @author Fabien Potencier <fabien@symfony.com> */ class CheckSecurityNode extends Node { private $usedFilters; private $usedTags; private $usedFunctions; public function __construct(array $usedFilters, array $usedTags, array $usedFunctions) { $this->usedFilters = $usedFilters; $this->usedTags = $usedTags; $this->usedFunctions = $usedFunctions; parent::__construct(); } public function compile(Compiler $compiler) { $tags = $filters = $functions = []; foreach (['tags', 'filters', 'functions'] as $type) { foreach ($this->{'used'.ucfirst($type)} as $name => $node) { if ($node instanceof Node) { ${$type}[$name] = $node->getTemplateLine(); } else { ${$type}[$node] = null; } } } $compiler ->write("\$this->sandbox = \$this->env->getExtension('\Twig\Extension\SandboxExtension');\n") ->write('$tags = ')->repr(array_filter($tags))->raw(";\n") ->write('$filters = ')->repr(array_filter($filters))->raw(";\n") ->write('$functions = ')->repr(array_filter($functions))->raw(";\n\n") ->write("try {\n") ->indent() ->write("\$this->sandbox->checkSecurity(\n") ->indent() ->write(!$tags ? "[],\n" : "['".implode("', '", array_keys($tags))."'],\n") ->write(!$filters ? "[],\n" : "['".implode("', '", array_keys($filters))."'],\n") ->write(!$functions ? "[]\n" : "['".implode("', '", array_keys($functions))."']\n") ->outdent() ->write(");\n") ->outdent() ->write("} catch (SecurityError \$e) {\n") ->indent() ->write("\$e->setSourceContext(\$this->source);\n\n") ->write("if (\$e instanceof SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n") ->indent() ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n") ->outdent() ->write("} elseif (\$e instanceof SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n") ->indent() ->write("\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n") ->outdent() ->write("} elseif (\$e instanceof 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") ; } } class_alias('Twig\Node\CheckSecurityNode', 'Twig_Node_CheckSecurity');