diff options
Diffstat (limited to 'library/HTMLPurifier/AttrDef/CSS/Filter.php')
-rw-r--r-- | library/HTMLPurifier/AttrDef/CSS/Filter.php | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/library/HTMLPurifier/AttrDef/CSS/Filter.php b/library/HTMLPurifier/AttrDef/CSS/Filter.php deleted file mode 100644 index bde4c3301..000000000 --- a/library/HTMLPurifier/AttrDef/CSS/Filter.php +++ /dev/null @@ -1,77 +0,0 @@ -<?php - -/** - * Microsoft's proprietary filter: CSS property - * @note Currently supports the alpha filter. In the future, this will - * probably need an extensible framework - */ -class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef -{ - /** - * @type HTMLPurifier_AttrDef_Integer - */ - protected $intValidator; - - public function __construct() - { - $this->intValidator = new HTMLPurifier_AttrDef_Integer(); - } - - /** - * @param string $value - * @param HTMLPurifier_Config $config - * @param HTMLPurifier_Context $context - * @return bool|string - */ - public function validate($value, $config, $context) - { - $value = $this->parseCDATA($value); - if ($value === 'none') { - return $value; - } - // if we looped this we could support multiple filters - $function_length = strcspn($value, '('); - $function = trim(substr($value, 0, $function_length)); - if ($function !== 'alpha' && - $function !== 'Alpha' && - $function !== 'progid:DXImageTransform.Microsoft.Alpha' - ) { - return false; - } - $cursor = $function_length + 1; - $parameters_length = strcspn($value, ')', $cursor); - $parameters = substr($value, $cursor, $parameters_length); - $params = explode(',', $parameters); - $ret_params = array(); - $lookup = array(); - foreach ($params as $param) { - list($key, $value) = explode('=', $param); - $key = trim($key); - $value = trim($value); - if (isset($lookup[$key])) { - continue; - } - if ($key !== 'opacity') { - continue; - } - $value = $this->intValidator->validate($value, $config, $context); - if ($value === false) { - continue; - } - $int = (int)$value; - if ($int > 100) { - $value = '100'; - } - if ($int < 0) { - $value = '0'; - } - $ret_params[] = "$key=$value"; - $lookup[$key] = true; - } - $ret_parameters = implode(',', $ret_params); - $ret_function = "$function($ret_parameters)"; - return $ret_function; - } -} - -// vim: et sw=4 sts=4 |