From eba717f95f586d2538007bd18da6e9b32b076c30 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Fri, 31 Oct 2008 22:12:14 +0000
Subject: Merge over vendor code.

git-svn-id: http://gallery.svn.sourceforge.net/svnroot/gallery/trunk/eval/gx/gallery3/trunk@18408 57fcd75e-5312-0410-8df3-f5eb6fbb1595
---
 kohana/helpers/security.php | 47 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 kohana/helpers/security.php

(limited to 'kohana/helpers/security.php')

diff --git a/kohana/helpers/security.php b/kohana/helpers/security.php
new file mode 100644
index 00000000..de723d76
--- /dev/null
+++ b/kohana/helpers/security.php
@@ -0,0 +1,47 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * Security helper class.
+ *
+ * $Id$
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2008 Kohana Team
+ * @license    http://kohanaphp.com/license.html
+ */
+class security_Core {
+
+	/**
+	 * Sanitize a string with the xss_clean method.
+	 *
+	 * @param   string  string to sanitize
+	 * @return  string
+	 */
+	public static function xss_clean($str)
+	{
+		return Input::instance()->xss_clean($str);
+	}
+
+	/**
+	 * Remove image tags from a string.
+	 *
+	 * @param   string  string to sanitize
+	 * @return  string
+	 */
+	public static function strip_image_tags($str)
+	{
+		return preg_replace('#<img\s.*?(?:src\s*=\s*["\']?([^"\'<>\s]*)["\']?[^>]*)?>#is', '$1', $str);
+	}
+
+	/**
+	 * Remove PHP tags from a string.
+	 *
+	 * @param   string  string to sanitize
+	 * @return  string
+	 */
+	public static function encode_php_tags($str)
+	{
+		return str_replace(array('<?', '?>'), array('&lt;?', '?&gt;'), $str);
+	}
+
+} // End security
\ No newline at end of file
-- 
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