diff options
Diffstat (limited to 'system/helpers/security_helper.php')
| -rw-r--r-- | system/helpers/security_helper.php | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php index f2c5bac70..0e2ba788d 100644 --- a/system/helpers/security_helper.php +++ b/system/helpers/security_helper.php @@ -1,126 +1,126 @@ -<?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 ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Security Helpers
- *
- * @package CodeIgniter
- * @subpackage Helpers
- * @category Helpers
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/helpers/security_helper.html
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * XSS Filtering
- *
- * @access public
- * @param string
- * @param string the character set of your data
- * @return string
- */
-if ( ! function_exists('xss_clean'))
-{
- function xss_clean($str, $charset = 'ISO-8859-1')
- {
- $CI =& get_instance();
- return $CI->input->xss_clean($str, $charset);
- }
-}
-
-// --------------------------------------------------------------------
-
-/**
- * Hash encode a string
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('dohash'))
-{
- function dohash($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($str);
- }
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Strip Image Tags
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('strip_image_tags'))
-{
- function strip_image_tags($str)
- {
- $str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
- $str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
-
- return $str;
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Convert PHP tags to entities
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('encode_php_tags'))
-{
- function encode_php_tags($str)
- {
- return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str);
- }
-}
-
-
-/* End of file security_helper.php */
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter Security Helpers + * + * @package CodeIgniter + * @subpackage Helpers + * @category Helpers + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/helpers/security_helper.html + */ + +// ------------------------------------------------------------------------ + +/** + * XSS Filtering + * + * @access public + * @param string + * @param string the character set of your data + * @return string + */ +if ( ! function_exists('xss_clean')) +{ + function xss_clean($str, $charset = 'ISO-8859-1') + { + $CI =& get_instance(); + return $CI->input->xss_clean($str, $charset); + } +} + +// -------------------------------------------------------------------- + +/** + * Hash encode a string + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('dohash')) +{ + function dohash($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($str); + } + } +} + +// ------------------------------------------------------------------------ + +/** + * Strip Image Tags + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('strip_image_tags')) +{ + function strip_image_tags($str) + { + $str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str); + $str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str); + + return $str; + } +} + +// ------------------------------------------------------------------------ + +/** + * Convert PHP tags to entities + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('encode_php_tags')) +{ + function encode_php_tags($str) + { + return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str); + } +} + + +/* End of file security_helper.php */ /* Location: ./system/helpers/security_helper.php */
\ No newline at end of file |