projects / github / wallabag / wallabag.git / blame
| Commit | Line | Data |
|---|---|---|
| d4949327 NL |
1 | <?php\r |
| 2 | \r | |
| 3 | /**\r | |
| 4 | * Validates name/value pairs in param tags to be used in safe objects. This\r | |
| 5 | * will only allow name values it recognizes, and pre-fill certain attributes\r | |
| 6 | * with required values.\r | |
| 7 | *\r | |
| 8 | * @note\r | |
| 9 | * This class only supports Flash. In the future, Quicktime support\r | |
| 10 | * may be added.\r | |
| 11 | *\r | |
| 12 | * @warning\r | |
| 13 | * This class expects an injector to add the necessary parameters tags.\r | |
| 14 | */\r | |
| 15 | class HTMLPurifier_AttrTransform_SafeParam extends HTMLPurifier_AttrTransform\r | |
| 16 | {\r | |
| 17 | /**\r | |
| 18 | * @type string\r | |
| 19 | */\r | |
| 20 | public $name = "SafeParam";\r | |
| 21 | \r | |
| 22 | /**\r | |
| 23 | * @type HTMLPurifier_AttrDef_URI\r | |
| 24 | */\r | |
| 25 | private $uri;\r | |
| 26 | \r | |
| 27 | public function __construct()\r | |
| 28 | {\r | |
| 29 | $this->uri = new HTMLPurifier_AttrDef_URI(true); // embedded\r | |
| 30 | $this->wmode = new HTMLPurifier_AttrDef_Enum(array('window', 'opaque', 'transparent'));\r | |
| 31 | }\r | |
| 32 | \r | |
| 33 | /**\r | |
| 34 | * @param array $attr\r | |
| 35 | * @param HTMLPurifier_Config $config\r | |
| 36 | * @param HTMLPurifier_Context $context\r | |
| 37 | * @return array\r | |
| 38 | */\r | |
| 39 | public function transform($attr, $config, $context)\r | |
| 40 | {\r | |
| 41 | // If we add support for other objects, we'll need to alter the\r | |
| 42 | // transforms.\r | |
| 43 | switch ($attr['name']) {\r | |
| 44 | // application/x-shockwave-flash\r | |
| 45 | // Keep this synchronized with Injector/SafeObject.php\r | |
| 46 | case 'allowScriptAccess':\r | |
| 47 | $attr['value'] = 'never';\r | |
| 48 | break;\r | |
| 49 | case 'allowNetworking':\r | |
| 50 | $attr['value'] = 'internal';\r | |
| 51 | break;\r | |
| 52 | case 'allowFullScreen':\r | |
| 53 | if ($config->get('HTML.FlashAllowFullScreen')) {\r | |
| 54 | $attr['value'] = ($attr['value'] == 'true') ? 'true' : 'false';\r | |
| 55 | } else {\r | |
| 56 | $attr['value'] = 'false';\r | |
| 57 | }\r | |
| 58 | break;\r | |
| 59 | case 'wmode':\r | |
| 60 | $attr['value'] = $this->wmode->validate($attr['value'], $config, $context);\r | |
| 61 | break;\r | |
| 62 | case 'movie':\r | |
| 63 | case 'src':\r | |
| 64 | $attr['name'] = "movie";\r | |
| 65 | $attr['value'] = $this->uri->validate($attr['value'], $config, $context);\r | |
| 66 | break;\r | |
| 67 | case 'flashvars':\r | |
| 68 | // we're going to allow arbitrary inputs to the SWF, on\r | |
| 69 | // the reasoning that it could only hack the SWF, not us.\r | |
| 70 | break;\r | |
| 71 | // add other cases to support other param name/value pairs\r | |
| 72 | default:\r | |
| 73 | $attr['name'] = $attr['value'] = null;\r | |
| 74 | }\r | |
| 75 | return $attr;\r | |
| 76 | }\r | |
| 77 | }\r | |
| 78 | \r | |
| 79 | // vim: et sw=4 sts=4\r |