[add] HTML Purifier added to clean code

1 files changed, 54 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php
new file mode 100644
index 00000000..52e12977
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php
@@ -0,0 +1,54 @@
+<?php

+

+class HTMLPurifier_URIFilter_DisableExternal extends HTMLPurifier_URIFilter

+{

+    /**

+     * @type string

+     */

+    public $name = 'DisableExternal';

+

+    /**

+     * @type array

+     */

+    protected $ourHostParts = false;

+

+    /**

+     * @param HTMLPurifier_Config $config

+     * @return void

+     */

+    public function prepare($config)

+    {

+        $our_host = $config->getDefinition('URI')->host;

+        if ($our_host !== null) {

+            $this->ourHostParts = array_reverse(explode('.', $our_host));

+        }

+    }

+

+    /**

+     * @param HTMLPurifier_URI $uri Reference

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return bool

+     */

+    public function filter(&$uri, $config, $context)

+    {

+        if (is_null($uri->host)) {

+            return true;

+        }

+        if ($this->ourHostParts === false) {

+            return false;

+        }

+        $host_parts = array_reverse(explode('.', $uri->host));

+        foreach ($this->ourHostParts as $i => $x) {

+            if (!isset($host_parts[$i])) {

+                return false;

+            }

+            if ($host_parts[$i] != $this->ourHostParts[$i]) {

+                return false;

+            }

+        }

+        return true;

+    }

+}

+

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