mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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43db90d1b9
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4541 3807eeeb-6ff5-0310-8944-8be069107fe0
487 lines
No EOL
12 KiB
PHP
487 lines
No EOL
12 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Short description for file.
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*
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* Long description for file
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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* @since CakePHP(tm) v 1.2.0.4213
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Load Security class
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*/
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if(!class_exists('Security')){
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uses('Security');
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}
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/**
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* Cookie Component.
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*
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* Cookie handling for the controller.
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*
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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*
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*/
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class CookieComponent extends Object {
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/**
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* The name of the cookie.
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*
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* Overridden with the controller var $cookieName;
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*
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* @var string
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* @access protected
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*/
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var $_name = 'CakeCookie';
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/**
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* Expire time of the cookie
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*
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* Overridden with the controller var $cookieTime;
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*
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* Number of seconds before you want it to expire.
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* If not set, the cookie will expire at the end of the session (when the browser closes).
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*
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* @var string
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* @access protected
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*/
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var $_expire = 0;
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/**
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* Cookie path.
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*
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* Overridden with the controller var $cookiePath;
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*
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* The path on the server in which the cookie will be available on.
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* If var $cookiePath is set to '/foo/', the cookie will only be available
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* within the /foo/ directory and all sub-directories such as /foo/bar/ of domain.
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* The default value is the entire domain.
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*
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* @var string
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* @access protected
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*/
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var $_path = '/';
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/**
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* Domain path.
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*
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* The domain that the cookie is available.
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*
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* Overridden with the controller var $cookieDomain
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*
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* To make the cookie available on all subdomains of example.com.
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* Set var $cookieDomain = '.example.com'; in your controller
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*
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* @var string
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* @access protected
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*/
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var $_domain = '';
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/**
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* Secure HTTPS only cookie.
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*
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* Overridden with the controller var $cookieSecure
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*
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* Indicates that the cookie should only be transmitted over a secure HTTPS connection.
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* When set to true, the cookie will only be set if a secure connection exists.
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*
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* @var boolean
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* @access protected
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*/
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var $_secure = false;
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/**
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* Encryption key.
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*
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* Overridden with the controller var $cookieKey
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*
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* @var string
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* @access protected
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*/
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var $_key = 'khu@j1!A*$tNx$mD*^8zD5';
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/**
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* Values stored in the cookie.
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*
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* Accessed in the controller using $this->Cookie->read('Name.key');
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*
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* @see CookieComponent::read();
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* @var string
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* @access private
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*/
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var $__values = array();
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/**
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* Type of encryption to use.
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*
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* Currently only one method is available
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* Defaults to Security::cipher();
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*
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* @var string
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* @access private
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* @todo add additional encryption methods
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*/
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var $__type = 'cipher';
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/**
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* Used to reset cookie time if $expire is passed to CookieComponent::write()
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*
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* @var string
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* @access private
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*/
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var $__reset = null;
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/**
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* Sets the default values for the cookie
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*
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* @param object $name
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* @param integer $expire
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* @access private
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*/
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function startup($controller = null) {
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if(is_object($controller)){
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if(!isset($controller->cookieName)) {
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trigger_error(__('For added security you should add the var cookieName to your Controller or AppController', true), E_USER_NOTICE);
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} else {
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$this->_name = $controller->cookieName;
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}
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if(isset($controller->cookieTime)){
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$this->__expire($controller->cookieTime);
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}
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if(!isset($controller->cookieKey)){
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trigger_error(__('For added security you should add the var cookieKey to your Controller or AppController', true), E_USER_NOTICE);
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} else {
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$this->_key = $controller->cookieKey;
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}
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if(isset($controller->cookiePath)) {
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$this->_path = $controller->cookiePath;
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}
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if(!isset($controller->cookieDomain)) {
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trigger_error(__('Add var cookieDomain = .yourdomain.com; to your Controller or AppController to allow access on all subdomains', true), E_USER_NOTICE);
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} else {
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$this->_domain = $controller->cookieDomain;
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}
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if(isset($controller->cookieSecure)) {
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$this->_secure = $controller->cookieSecure;
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}
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}
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if(isset($_COOKIE[$this->_name])) {
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$this->__values = $this->__decrypt($_COOKIE[$this->_name]);
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}
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}
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/**
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* Write a value to the $_COOKIE[$config];
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*
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* Optional [Name.], reguired key, optional $value, optional $encrypt, optional $expires
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* $this->Cookie->write('[Name.]key, $value);
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*
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* By default all values are encrypted.
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* You must pass $encrypt false to store values in clear test
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*
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* You must use this method before any output is sent to the browser.
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* Failure to do so will result in header already sent errors.
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*
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* @param mixed $key
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* @param mixed $value
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* @param boolean $encrypt
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* @param string $expires
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* @access public
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*/
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function write($key, $value = null, $encrypt = true, $expires = null) {
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if(is_null($encrypt)){
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$encrypt = true;
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}
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$this->__encrypted = $encrypt;
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$this->__expire($expires);
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if(!is_array($key) && $value !== null) {
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$name = $this->__cookieVarNames($key);
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if(count($name) > 1){
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$this->__values[$name[0]][$name[1]] = $value;
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$this->__write("[".$name[0]."][".$name[1]."]", $value);
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} else {
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$this->__values[$name[0]] = $value;
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$this->__write("[".$name[0]."]", $value);
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}
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} else {
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foreach($key as $names => $value){
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$name = $this->__cookieVarNames($names);
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if(count($name) > 1){
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$this->__values[$name[0]][$name[1]] = $value;
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$this->__write("[".$name[0]."][".$name[1]."]", $value);
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} else {
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$this->__values[$name[0]] = $value;
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$this->__write("[".$name[0]."]", $value);
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}
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}
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}
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}
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/**
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* Read the value of the $_COOKIE[$var];
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*
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* Optional [Name.], reguired key
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* $this->Cookie->read(Name.key);
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*
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* @param mixed $key
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* @return string or null
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* @access public
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*/
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function read($key = null) {
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if(is_null($key)){
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return $this->__values;
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}
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$name = $this->__cookieVarNames($key);
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if(count($name) > 1){
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if(isset($this->__values[$name[0]])) {
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$value = $this->__values[$name[0]][$name[1]];
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return $value;
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}
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return null;
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} else {
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if(isset($this->__values[$name[0]])) {
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$value = $this->__values[$name[0]];
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return $value;
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}
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return null;
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}
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}
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/**
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* Delete a cookie value
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*
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* Optional [Name.], reguired key
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* $this->Cookie->read('Name.key);
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*
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* You must use this method before any output is sent to the browser.
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* Failure to do so will result in header already sent errors.
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*
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* @param string $name
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* @access public
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*/
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function del($key) {
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$name = $this->__cookieVarNames($key);
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if(count($name) > 1){
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if(isset($this->__values[$name[0]])) {
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unset($this->__values[$name[0]][$name[1]]);
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$this->__delete("[".$name[0]."][".$name[1]."]");
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}
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} else {
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if(isset($this->__values[$name[0]])) {
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if(is_array($this->__values[$name[0]])) {
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foreach ($this->__values[$name[0]] as $key => $value) {
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$this->__delete("[".$name[0]."][".$key."]");
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}
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} else {
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$this->__delete("[".$name[0]."]");
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}
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unset($this->__values[$name[0]]);
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}
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}
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}
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/**
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* Destroy current cookie
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*
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* You must use this method before any output is sent to the browser.
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* Failure to do so will result in header already sent errors.
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*
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* @access public
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*/
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function destroy() {
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if(isset($_COOKIE[$this->_name])) {
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$this->__values = $this->__decrypt($_COOKIE[$this->_name]);
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}
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foreach ($this->__values as $name => $value) {
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if(is_array($value)) {
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foreach ($value as $key => $val) {
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unset($this->__values[$name][$key]);
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$this->__delete("[$name][$key]");
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}
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} else {
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unset($this->__values[$name]);
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$this->__delete("[$name]");
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}
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}
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$this->__delete("[$name]");
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}
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/**
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* Will allow overriding default encryption method.
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*
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* @param string $type
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* @access public
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* @todo NOT IMPLEMENTED
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*/
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function type($type = 'cipher') {
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$this->__type = 'cipher';
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}
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/**
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* Set the expire time for a session variable.
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*
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* Creates a new expire time for a session variable.
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* $expire can be either integer Unix timestamp or a date string.
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*
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* Used by write()
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* CookieComponent::write(string, string, boolean, 8400);
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* CookieComponent::write(string, string, boolean, '5 Days');
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*
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* @param mixed $expires
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* @return integer
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* @access private
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*/
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function __expire($expires = null){
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$now = time();
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if(is_null($expires)){
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return $this->_expire;
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}
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$this->__reset = $this->_expire;
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if (is_integer($expires) || is_numeric($expires)) {
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return $this->_expire = $now + intval($expires);
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} else {
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return $this->_expire = strtotime($expires, $now);
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}
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}
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/**
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* Set cookie
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*
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* @param string $name
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* @param string $value
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* @access private
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*/
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function __write($name, $value) {
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setcookie($this->_name."$name", $this->__encrypt($value), $this->_expire, $this->_path, $this->_domain, $this->_secure);
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if(!is_null($this->__reset)){
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$this->_expire = $this->__reset;
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$this->__reset = null;
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}
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$this->__encrypted = true;
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}
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/**
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* Sets a cookie expire time to remove cookie value
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*
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* @param string $name
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* @access private
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*/
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function __delete($name) {
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setcookie($this->_name.$name, '', time() - 42000, $this->_path, $this->_domain, $this->_secure);
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}
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/**
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* Encrypts $value using var $type method in Security class
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*
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* @param string $value
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* @return encrypted string
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* @access private
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*/
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function __encrypt($value) {
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if(is_array($value)){
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$value = $this->__implode($value);
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}
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if($this->__encrypted === true) {
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$type = $this->__type;
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$value = "Q2FrZQ==." .base64_encode(Security::$type($value, $this->_key));
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}
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return($value);
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}
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/**
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* Decrypts $value using var $type method in Security class
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*
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* @param string $values
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* @return decrypted string
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* @access private
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*/
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function __decrypt($values) {
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$decrypted = array();
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$type = $this->__type;
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foreach($values as $name => $value) {
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if(is_array($value)){
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foreach ($value as $key => $val) {
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$pos = strpos($val, 'Q2FrZQ==.');
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$decrypted[$name][$key] = $this->__explode($val);
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if ($pos !== false) {
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$val = substr($val, 8);
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$decrypted[$name][$key] = $this->__explode(Security::$type(base64_decode($val), $this->_key));
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}
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}
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} else {
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$pos = strpos($value, 'Q2FrZQ==.');
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$decrypted[$name] = $this->__explode($value);
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if ($pos !== false) {
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$value = substr($value, 8);
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$decrypted[$name] = $this->__explode(Security::$type(base64_decode($value), $this->_key));
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}
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}
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}
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return($decrypted);
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}
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/**
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* Creates an array from the $name parameter which allows the dot notation
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* similar to one used by Session and Configure classes
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*
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* @param string $name
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* @return array
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* @access private
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*/
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function __cookieVarNames($name) {
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if (is_string($name)) {
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if (strpos($name, ".")) {
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$name = explode(".", $name);
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} else {
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$name = array($name);
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}
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}
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return $name;
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}
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/**
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* Implode method to keep keys are multidimensional arrays
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*
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* @param array $array
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* @return string
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* @access private
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*/
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function __implode($array) {
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$string = '';
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foreach ($array as $key => $value) {
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$string .= ',' . $key . '|' . $value;
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}
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return substr($string, 1);
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}
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/**
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* Explode method to return array from string set in CookieComponent::__implode()
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*
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* @param string $string
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* @return array
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* @access private
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*/
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function __explode($string) {
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$array = array();
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foreach (explode(',', $string) as $pair) {
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$key = explode('|', $pair);
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if(!isset($key[1])){
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return $key[0];
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}
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$array[$key[0]] = $key[1];
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}
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return $array;
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}
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}
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?>
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