diff options
Diffstat (limited to 'system/helpers/security_helper.php')
| -rw-r--r-- | system/helpers/security_helper.php | 222 |
1 files changed, 111 insertions, 111 deletions
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php index 06228468f..eec04015d 100644 --- a/system/helpers/security_helper.php +++ b/system/helpers/security_helper.php @@ -1,112 +1,112 @@ -<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); -/** - * Code Igniter - * - * An open source application development framework for PHP 4.3.2 or newer - * - * @package CodeIgniter - * @author Rick Ellis - * @copyright Copyright (c) 2006, pMachine, Inc. - * @license http://www.codeignitor.com/user_guide/license.html - * @link http://www.codeigniter.com - * @since Version 1.0 - * @filesource - */ - -// ------------------------------------------------------------------------ - -/** - * Code Igniter Security Helpers - * - * @package CodeIgniter - * @subpackage Helpers - * @category Helpers - * @author Rick Ellis - * @link http://www.codeigniter.com/user_guide/helpers/security_helper.html - */ - -// ------------------------------------------------------------------------ - -/** - * XSS Filtering - * - * @access public - * @param string - * @param string the character set of your data - * @return string - */ -function xss_clean($str, $charset = 'ISO-8859-1') -{ - $CI =& get_instance(); - return $CI->input->xss_clean($str, $charset); -} - -// -------------------------------------------------------------------- - -/** - * Hash encode a string - * - * @access public - * @param string - * @return string - */ -function dohash($str, $type = 'sha1') -{ - if ($type == 'sha1') - { - if ( ! function_exists('sha1')) - { - if ( ! function_exists('mhash')) - { - require_once(BASEPATH.'libraries/Sha1'.EXT); - $SH = new CI_SHA; - return $SH->generate($str); - } - else - { - return bin2hex(mhash(MHASH_SHA1, $str)); - } - } - else - { - return sha1($str); - } - } - else - { - return md5($str); - } -} - -// ------------------------------------------------------------------------ - -/** - * Strip Image Tags - * - * @access public - * @param string - * @return string - */ -function strip_image_tags($str) -{ - $str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str); - $str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str); - - return $str; -} - -// ------------------------------------------------------------------------ - -/** - * Convert PHP tags to entities - * - * @access public - * @param string - * @return string - */ -function encode_php_tags($str) -{ - return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str); -} - +<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, EllisLab, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Security Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/security_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * XSS Filtering
+ *
+ * @access public
+ * @param string
+ * @param string the character set of your data
+ * @return string
+ */
+function xss_clean($str, $charset = 'ISO-8859-1')
+{
+ $CI =& get_instance();
+ return $CI->input->xss_clean($str, $charset);
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Hash encode a string
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function dohash($str, $type = 'sha1')
+{
+ if ($type == 'sha1')
+ {
+ if ( ! function_exists('sha1'))
+ {
+ if ( ! function_exists('mhash'))
+ {
+ require_once(BASEPATH.'libraries/Sha1'.EXT);
+ $SH = new CI_SHA;
+ return $SH->generate($str);
+ }
+ else
+ {
+ return bin2hex(mhash(MHASH_SHA1, $str));
+ }
+ }
+ else
+ {
+ return sha1($str);
+ }
+ }
+ else
+ {
+ return md5($str);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Strip Image Tags
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function strip_image_tags($str)
+{
+ $str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
+ $str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert PHP tags to entities
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function encode_php_tags($str)
+{
+ return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str);
+}
+
?>
\ No newline at end of file |