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