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
|
<?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. */
/** * Marks a section of a template as untrusted code that must be evaluated in the sandbox mode. * * <pre> * {% sandbox %} * {% include 'user.html' %} * {% endsandbox %} * </pre> * * @see http://www.twig-project.org/doc/api.html#sandbox-extension for details * * @final */ class Twig_TokenParser_Sandbox extends Twig_TokenParser { public function parse(Twig_Token $token) { $stream = $this->parser->getStream(); $stream->expect(Twig_Token::BLOCK_END_TYPE); $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true); $stream->expect(Twig_Token::BLOCK_END_TYPE);
// in a sandbox tag, only include tags are allowed if (!$body instanceof Twig_Node_Include) { foreach ($body as $node) { if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) { continue; }
if (!$node instanceof Twig_Node_Include) { throw new Twig_Error_Syntax('Only "include" tags are allowed within a "sandbox" section.', $node->getTemplateLine(), $stream->getSourceContext()); } } }
return new Twig_Node_Sandbox($body, $token->getLine(), $this->getTag()); }
public function decideBlockEnd(Twig_Token $token) { return $token->test('endsandbox'); }
public function getTag() { return 'sandbox'; } }
class_alias('Twig_TokenParser_Sandbox', 'Twig\TokenParser\SandboxTokenParser', false);
|