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