CheckSecurityNode.php
3.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
<?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
{
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(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->getSourceContext());\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');