1 files changed, 35 insertions, 0 deletions
diff --git a/system/helpers/security.php b/system/helpers/security.php
new file mode 100644
index 0000000..7103bd1
--- /dev/null
+++ b/system/helpers/security.php
@@ -0,0 +1,35 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Security helper class.
+ *
+ * @package    Kohana
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2009 Kohana Team
+ * @license    http://kohanaphp.com/license
+ */
+class security_Core {
+
+	/**
+	 * Sanitize a string with the xss_clean method.
+	 *
+	 * @param   string  string to sanitize
+	 * @param   string  xss_clean method to use ('htmlpurifier' or defaults to built-in method)
+	 * @return  string
+	 */
+	public static function xss_clean($str, $tool = NULL)
+	{
+		return Input::instance()->xss_clean($str, $tool);
+	}
+
+	/**
+	 * Remove image tags from a string.
+	 *
+	 * @param   string  string to sanitize
+	 * @return  string
+	 */
+	public static function strip_image_tags($str)
+	{
+		return preg_replace('#<img\s.*?(?:src\s*=\s*["\']?([^"\'<>\s]*)["\']?[^>]*)?>#is', '$1', $str);
+	}
+
+} // End security
+\ No newline at end of file