From 7ba0b1b75ca2b3ff720f7ddf0e03db882a65353d Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Sun, 1 Apr 2012 11:36:16 -0700
Subject: Restrict valid urls to having a http:// or https:// prefix.  Fixes
 #1830.

---
 modules/gallery/helpers/MY_valid.php | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 modules/gallery/helpers/MY_valid.php

(limited to 'modules/gallery/helpers')

diff --git a/modules/gallery/helpers/MY_valid.php b/modules/gallery/helpers/MY_valid.php
new file mode 100644
index 00000000..68712302
--- /dev/null
+++ b/modules/gallery/helpers/MY_valid.php
@@ -0,0 +1,26 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2012 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class valid extends valid_Core {
+  public static function url($url) {
+    return valid_Core::url($url) &&
+      (!strncasecmp($url, "http://", strlen("http://")) ||
+       !strncasecmp($url, "https://", strlen("https://")));
+  }
+}
-- 
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