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Direktori : /home2/selectio/public_html/gangabuvana/admin/cms/system/helpers/ |
Current File : /home2/selectio/public_html/gangabuvana/admin/cms/system/helpers/security_helper.php |
<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2018, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) * @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * CodeIgniter Security Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author EllisLab Dev Team * @link https://codeigniter.com/user_guide/helpers/security_helper.html */ // ------------------------------------------------------------------------ if ( ! function_exists('xss_clean')) { /** * XSS Filtering * * @param string * @param bool whether or not the content is an image file * @return string */ function xss_clean($str, $is_image = FALSE) { return get_instance()->security->xss_clean($str, $is_image); } } // ------------------------------------------------------------------------ if ( ! function_exists('sanitize_filename')) { /** * Sanitize Filename * * @param string * @return string */ function sanitize_filename($filename) { return get_instance()->security->sanitize_filename($filename); } } // -------------------------------------------------------------------- if ( ! function_exists('do_hash')) { /** * Hash encode a string * * @todo Remove in version 3.1+. * @deprecated 3.0.0 Use PHP's native hash() instead. * @param string $str * @param string $type = 'sha1' * @return string */ function do_hash($str, $type = 'sha1') { if ( ! in_array(strtolower($type), hash_algos())) { $type = 'md5'; } return hash($type, $str); } } // ------------------------------------------------------------------------ if ( ! function_exists('strip_image_tags')) { /** * Strip Image Tags * * @param string * @return string */ function strip_image_tags($str) { return get_instance()->security->strip_image_tags($str); } } // ------------------------------------------------------------------------ if ( ! function_exists('encode_php_tags')) { /** * Convert PHP tags to entities * * @param string * @return string */ function encode_php_tags($str) { return str_replace(array('<?', '?>'), array('<?', '?>'), $str); } }