Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 51 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Color.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Color.php
new file mode 100644
index 00000000..25c93fc6
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Color.php
@@ -0,0 +1,51 @@
+<?php

+

+/**

+ * Validates a color according to the HTML spec.

+ */

+class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef

+{

+

+    /**

+     * @param string $string

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return bool|string

+     */

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

+    {

+        static $colors = null;

+        if ($colors === null) {

+            $colors = $config->get('Core.ColorKeywords');

+        }

+

+        $string = trim($string);

+

+        if (empty($string)) {

+            return false;

+        }

+        $lower = strtolower($string);

+        if (isset($colors[$lower])) {

+            return $colors[$lower];

+        }

+        if ($string[0] === '#') {

+            $hex = substr($string, 1);

+        } else {

+            $hex = $string;

+        }

+

+        $length = strlen($hex);

+        if ($length !== 3 && $length !== 6) {

+            return false;

+        }

+        if (!ctype_xdigit($hex)) {

+            return false;

+        }

+        if ($length === 3) {

+            $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];

+        }

+        return "#$hex";

+    }

+}

+

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