Initial import from local backup (Documents-Playground/pakerpale)
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jeonghwa
206
application/core/CB_Input.php
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206
application/core/CB_Input.php
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<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2015, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
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* @license http://opensource.org/licenses/MIT MIT License
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* @link http://codeigniter.com
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* @since Version 1.0.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* Input Class
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*
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* Pre-processes global input data for security
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Input
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* @author EllisLab Dev Team
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* @link http://codeigniter.com/user_guide/libraries/input.html
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*/
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class CB_Input extends CI_Input
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{
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/**
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* Fetch from array
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*
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* Internal method used to retrieve values from global arrays.
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*
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* @param array &$array $_GET, $_POST, $_COOKIE, $_SERVER, etc.
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* @param mixed $index Index for item to be fetched from $array
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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protected function _fetch_from_array(&$array, $index = NULL, $xss_clean = NULL, $default_value =NULL)
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{
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is_bool($xss_clean) OR $xss_clean = $this->_enable_xss;
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// If $index is NULL, it means that the whole $array is requested
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isset($index) OR $index = array_keys($array);
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// allow fetching multiple keys at once
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if (is_array($index))
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{
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$output = array();
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foreach ($index as $key)
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{
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$output[$key] = $this->_fetch_from_array($array, $key, $xss_clean);
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}
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return $output;
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}
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if (isset($array[$index]))
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{
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$value = $array[$index];
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}
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elseif (($count = preg_match_all('/(?:^[^\[]+)|\[[^]]*\]/', $index, $matches)) > 1) // Does the index contain array notation
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{
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$value = $array;
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for ($i = 0; $i < $count; $i++)
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{
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$key = trim($matches[0][$i], '[]');
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if ($key === '') // Empty notation will return the value as array
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{
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break;
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}
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if (isset($value[$key]))
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{
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$value = $value[$key];
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}
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else
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{
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return $default_value;
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}
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}
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}
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else
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{
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return $default_value;
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}
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return ($xss_clean === TRUE)
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? $this->security->xss_clean($value)
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: $value;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from the GET array
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*
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* @param mixed $index Index for item to be fetched from $_GET
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function get($index = NULL, $xss_clean = NULL, $default_value = NULL)
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{
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return $this->_fetch_from_array($_GET, $index, $xss_clean, $default_value);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from the POST array
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*
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* @param mixed $index Index for item to be fetched from $_POST
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function post($index = NULL, $xss_clean = NULL, $default_value = NULL)
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{
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return $this->_fetch_from_array($_POST, $index, $xss_clean, $default_value);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from POST data with fallback to GET
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*
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* @param string $index Index for item to be fetched from $_POST or $_GET
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function post_get($index, $xss_clean = NULL, $default_value = NULL)
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{
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return isset($_POST[$index])
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? $this->post($index, $xss_clean, $default_value)
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: $this->get($index, $xss_clean, $default_value);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from GET data with fallback to POST
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*
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* @param string $index Index for item to be fetched from $_GET or $_POST
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function get_post($index, $xss_clean = NULL, $default_value = NULL)
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{
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return isset($_GET[$index])
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? $this->get($index, $xss_clean, $default_value)
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: $this->post($index, $xss_clean, $default_value);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from the COOKIE array
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*
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* @param mixed $index Index for item to be fetched from $_COOKIE
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function cookie($index = NULL, $xss_clean = NULL, $default_value = NULL)
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{
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return $this->_fetch_from_array($_COOKIE, $index, $xss_clean, $default_value);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch an item from the SERVER array
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*
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* @param mixed $index Index for item to be fetched from $_SERVER
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* @param bool $xss_clean Whether to apply XSS filtering
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* @return mixed
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*/
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public function server($index, $xss_clean = NULL, $default_value = NULL)
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{
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return $this->_fetch_from_array($_SERVER, $index, $xss_clean, $default_value);
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}
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}
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