Twig_Node_CheckSecurity Class Reference

Inheritance diagram for Twig_Node_CheckSecurity:

Collaboration diagram for Twig_Node_CheckSecurity:

Public Member Functions
	__construct (array $usedFilters, array $usedTags, array $usedFunctions)
	compile (Twig_Compiler $compiler)
	Compiles the node to PHP. More...
Public Member Functions inherited from Twig_Node
	__construct (array $nodes=array(), array $attributes=array(), $lineno=0, $tag=null)
	Constructor. More...
	__toString ()
	toXml ($asDom=false)
	compile (Twig_Compiler $compiler)
	Compiles the node to PHP. More...
	getTemplateLine ()
	getLine ()
	getNodeTag ()
	hasAttribute ($name)
	getAttribute ($name)
	setAttribute ($name, $value)
	removeAttribute ($name)
	hasNode ($name)
	getNode ($name)
	setNode ($name, $node=null)
	removeNode ($name)
	count ()
	getIterator ()
	setTemplateName ($name)
	getTemplateName ()
	setFilename ($name)
	getFilename ()

Protected Attributes
	$usedFilters
	$usedTags
	$usedFunctions
Protected Attributes inherited from Twig_Node
	$nodes
	$attributes
	$lineno
	$tag

Detailed Description

Author

Fabien Potencier fabie.nosp@m.n@sy.nosp@m.mfony.nosp@m..com

Definition at line 15 of file CheckSecurity.php.

Constructor & Destructor Documentation

__construct()

Twig_Node_CheckSecurity::__construct	(	array	$usedFilters,
		array	$usedTags,
		array	$usedFunctions
	)

Definition at line 21 of file CheckSecurity.php.

References $usedFilters, $usedFunctions, and $usedTags.

    {
        $this->usedFilters = $usedFilters;
        $this->usedTags = $usedTags;
        $this->usedFunctions = $usedFunctions;

        parent::__construct();
    }

Member Function Documentation

compile()

Twig_Node_CheckSecurity::compile

(

Twig_Compiler

$compiler

)

Compiles the node to PHP.

Implements Twig_NodeInterface.

Definition at line 30 of file CheckSecurity.php.

References Twig_Node\$name, $tags, $type, and Twig_Compiler\write().

    {
        $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->getTemplateLine();
                } 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($functions))->raw(";\n\n")
            ->write("try {\n")
            ->indent()
            ->write("\$this->env->getExtension('Twig_Extension_Sandbox')->checkSecurity(\n")
            ->indent()
            ->write(!$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->setSourceContext(\$this->getSourceContext());\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")
        ;
    }

Here is the call graph for this function:

Field Documentation

$usedFilters

Twig_Node_CheckSecurity::$usedFilters

protected

Definition at line 17 of file CheckSecurity.php.

Referenced by __construct().

$usedFunctions

Twig_Node_CheckSecurity::$usedFunctions

protected

Definition at line 19 of file CheckSecurity.php.

Referenced by __construct().

$usedTags

Twig_Node_CheckSecurity::$usedTags

protected

Definition at line 18 of file CheckSecurity.php.

Referenced by __construct().

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The documentation for this class was generated from the following file:

• libs/composer/vendor/twig/twig/lib/Twig/Node/CheckSecurity.php