From 010efc9b814b433bc60353caec185d905688a32b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Tue, 5 Jun 2012 21:52:21 +0400
Subject: Revert "remove htmlpurifier"

This reverts commit c21a462d52bd32737c32c29b060da03b38f1c2e6.
---
 .../HTMLPurifier/URIFilter/DisableExternal.php     | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 lib/htmlpurifier/library/HTMLPurifier/URIFilter/DisableExternal.php

(limited to 'lib/htmlpurifier/library/HTMLPurifier/URIFilter/DisableExternal.php')

diff --git a/lib/htmlpurifier/library/HTMLPurifier/URIFilter/DisableExternal.php b/lib/htmlpurifier/library/HTMLPurifier/URIFilter/DisableExternal.php
new file mode 100644
index 000000000..d8a39a501
--- /dev/null
+++ b/lib/htmlpurifier/library/HTMLPurifier/URIFilter/DisableExternal.php
@@ -0,0 +1,23 @@
+<?php
+
+class HTMLPurifier_URIFilter_DisableExternal extends HTMLPurifier_URIFilter
+{
+    public $name = 'DisableExternal';
+    protected $ourHostParts = false;
+    public function prepare($config) {
+        $our_host = $config->getDefinition('URI')->host;
+        if ($our_host !== null) $this->ourHostParts = array_reverse(explode('.', $our_host));
+    }
+    public function filter(&$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
-- 
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