diff options
author | Nicolas LÅ“uillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
---|---|---|
committer | Nicolas LÅ“uillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
commit | 99679d06884120c57f43b44e55e03595f1f87bed (patch) | |
tree | a3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php | |
parent | 655214ab30ee84884dc408488b85586f36263fcb (diff) | |
parent | d3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff) | |
download | wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.gz wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.zst wallabag-99679d06884120c57f43b44e55e03595f1f87bed.zip |
Merge pull request #481 from wallabag/dev1.5.2
1.5.2
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php new file mode 100644 index 00000000..8450948c --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/Injector/SafeObject.php | |||
@@ -0,0 +1,121 @@ | |||
1 | <?php | ||
2 | |||
3 | /** | ||
4 | * Adds important param elements to inside of object in order to make | ||
5 | * things safe. | ||
6 | */ | ||
7 | class HTMLPurifier_Injector_SafeObject extends HTMLPurifier_Injector | ||
8 | { | ||
9 | /** | ||
10 | * @type string | ||
11 | */ | ||
12 | public $name = 'SafeObject'; | ||
13 | |||
14 | /** | ||
15 | * @type array | ||
16 | */ | ||
17 | public $needed = array('object', 'param'); | ||
18 | |||
19 | /** | ||
20 | * @type array | ||
21 | */ | ||
22 | protected $objectStack = array(); | ||
23 | |||
24 | /** | ||
25 | * @type array | ||
26 | */ | ||
27 | protected $paramStack = array(); | ||
28 | |||
29 | /** | ||
30 | * Keep this synchronized with AttrTransform/SafeParam.php. | ||
31 | * @type array | ||
32 | */ | ||
33 | protected $addParam = array( | ||
34 | 'allowScriptAccess' => 'never', | ||
35 | 'allowNetworking' => 'internal', | ||
36 | ); | ||
37 | |||
38 | /** | ||
39 | * @type array | ||
40 | */ | ||
41 | protected $allowedParam = array( | ||
42 | 'wmode' => true, | ||
43 | 'movie' => true, | ||
44 | 'flashvars' => true, | ||
45 | 'src' => true, | ||
46 | 'allowFullScreen' => true, // if omitted, assume to be 'false' | ||
47 | ); | ||
48 | |||
49 | /** | ||
50 | * @param HTMLPurifier_Config $config | ||
51 | * @param HTMLPurifier_Context $context | ||
52 | * @return void | ||
53 | */ | ||
54 | public function prepare($config, $context) | ||
55 | { | ||
56 | parent::prepare($config, $context); | ||
57 | } | ||
58 | |||
59 | /** | ||
60 | * @param HTMLPurifier_Token $token | ||
61 | */ | ||
62 | public function handleElement(&$token) | ||
63 | { | ||
64 | if ($token->name == 'object') { | ||
65 | $this->objectStack[] = $token; | ||
66 | $this->paramStack[] = array(); | ||
67 | $new = array($token); | ||
68 | foreach ($this->addParam as $name => $value) { | ||
69 | $new[] = new HTMLPurifier_Token_Empty('param', array('name' => $name, 'value' => $value)); | ||
70 | } | ||
71 | $token = $new; | ||
72 | } elseif ($token->name == 'param') { | ||
73 | $nest = count($this->currentNesting) - 1; | ||
74 | if ($nest >= 0 && $this->currentNesting[$nest]->name === 'object') { | ||
75 | $i = count($this->objectStack) - 1; | ||
76 | if (!isset($token->attr['name'])) { | ||
77 | $token = false; | ||
78 | return; | ||
79 | } | ||
80 | $n = $token->attr['name']; | ||
81 | // We need this fix because YouTube doesn't supply a data | ||
82 | // attribute, which we need if a type is specified. This is | ||
83 | // *very* Flash specific. | ||
84 | if (!isset($this->objectStack[$i]->attr['data']) && | ||
85 | ($token->attr['name'] == 'movie' || $token->attr['name'] == 'src') | ||
86 | ) { | ||
87 | $this->objectStack[$i]->attr['data'] = $token->attr['value']; | ||
88 | } | ||
89 | // Check if the parameter is the correct value but has not | ||
90 | // already been added | ||
91 | if (!isset($this->paramStack[$i][$n]) && | ||
92 | isset($this->addParam[$n]) && | ||
93 | $token->attr['name'] === $this->addParam[$n]) { | ||
94 | // keep token, and add to param stack | ||
95 | $this->paramStack[$i][$n] = true; | ||
96 | } elseif (isset($this->allowedParam[$n])) { | ||
97 | // keep token, don't do anything to it | ||
98 | // (could possibly check for duplicates here) | ||
99 | } else { | ||
100 | $token = false; | ||
101 | } | ||
102 | } else { | ||
103 | // not directly inside an object, DENY! | ||
104 | $token = false; | ||
105 | } | ||
106 | } | ||
107 | } | ||
108 | |||
109 | public function handleEnd(&$token) | ||
110 | { | ||
111 | // This is the WRONG way of handling the object and param stacks; | ||
112 | // we should be inserting them directly on the relevant object tokens | ||
113 | // so that the global stack handling handles it. | ||
114 | if ($token->name == 'object') { | ||
115 | array_pop($this->objectStack); | ||
116 | array_pop($this->paramStack); | ||
117 | } | ||
118 | } | ||
119 | } | ||
120 | |||
121 | // vim: et sw=4 sts=4 | ||