1 files changed, 34 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php
new file mode 100644
index 00000000..1a30e8fe
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php
@@ -0,0 +1,34 @@
+<?php

+

+class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number

+{

+

+    public function __construct()

+    {

+        parent::__construct(false); // opacity is non-negative, but we will clamp it

+    }

+

+    /**

+     * @param string $number

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return string

+     */

+    public function validate($number, $config, $context)

+    {

+        $result = parent::validate($number, $config, $context);

+        if ($result === false) {

+            return $result;

+        }

+        $float = (float)$result;

+        if ($float < 0.0) {

+            $result = '0';

+        }

+        if ($float > 1.0) {

+            $result = '1';

+        }

+        return $result;

+    }

+}

+

+// vim: et sw=4 sts=4