pictcode / lib / Cake / Controller / Component / SessionComponent.php @ 0b1b8047
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<?php
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/**
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* SessionComponent. Provides access to Sessions from the Controller layer
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Controller.Component
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* @since CakePHP(tm) v 0.10.0.1232
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('Component', 'Controller'); |
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App::uses('CakeSession', 'Model/Datasource'); |
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/**
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* The CakePHP SessionComponent provides a way to persist client data between
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* page requests. It acts as a wrapper for the `$_SESSION` as well as providing
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* convenience methods for several `$_SESSION` related functions.
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*
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* @package Cake.Controller.Component
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html
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* @link http://book.cakephp.org/2.0/en/development/sessions.html
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*/
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class SessionComponent extends Component { |
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/**
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* Get / Set the userAgent
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*
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* @param string $userAgent Set the userAgent
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* @return string Current user agent.
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*/
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public function userAgent($userAgent = null) { |
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return CakeSession::userAgent($userAgent); |
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} |
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/**
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* Writes a value to a session key.
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*
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* In your controller: $this->Session->write('Controller.sessKey', 'session value');
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*
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* @param string $name The name of the key your are setting in the session.
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* This should be in a Controller.key format for better organizing
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* @param string $value The value you want to store in a session.
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* @return bool Success
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::write
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*/
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public function write($name, $value = null) { |
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return CakeSession::write($name, $value); |
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} |
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/**
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* Reads a session value for a key or returns values for all keys.
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*
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* In your controller: $this->Session->read('Controller.sessKey');
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* Calling the method without a param will return all session vars
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*
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* @param string $name the name of the session key you want to read
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* @return mixed value from the session vars
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::read
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*/
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public function read($name = null) { |
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return CakeSession::read($name); |
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} |
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/**
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* Deletes a session value for a key.
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*
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* In your controller: $this->Session->delete('Controller.sessKey');
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*
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* @param string $name the name of the session key you want to delete
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* @return bool true is session variable is set and can be deleted, false is variable was not set.
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::delete
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*/
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public function delete($name) { |
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return CakeSession::delete($name); |
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} |
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/**
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* Reads and deletes a session value for a key.
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*
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* In your controller: `$this->Session->consume('Controller.sessKey');`
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*
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* @param string $name the name of the session key you want to read
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* @return mixed values from the session vars
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*/
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public function consume($name) { |
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return CakeSession::consume($name); |
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} |
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/**
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* Checks if a session variable is set.
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*
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* In your controller: $this->Session->check('Controller.sessKey');
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*
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* @param string $name the name of the session key you want to check
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* @return bool true is session variable is set, false if not
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::check
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*/
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public function check($name) { |
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return CakeSession::check($name); |
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} |
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/**
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* Used to determine the last error in a session.
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*
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* In your controller: $this->Session->error();
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*
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* @return string Last session error
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*/
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public function error() { |
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return CakeSession::error(); |
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} |
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/**
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* Used to set a session variable that can be used to output messages in the view.
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*
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* In your controller: $this->Session->setFlash('This has been saved');
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*
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* Additional params below can be passed to customize the output, or the Message.[key].
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* You can also set additional parameters when rendering flash messages. See SessionHelper::flash()
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* for more information on how to do that.
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*
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* @param string $message Message to be flashed
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* @param string $element Element to wrap flash message in.
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* @param array $params Parameters to be sent to layout as view variables
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* @param string $key Message key, default is 'flash'
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* @return void
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#creating-notification-messages
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* @deprecated 3.0.0 Since 2.7, use the FlashComponent instead.
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*/
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public function setFlash($message, $element = 'default', $params = array(), $key = 'flash') { |
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CakeSession::write('Message.' . $key, compact('message', 'element', 'params')); |
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} |
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/**
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* Used to renew a session id
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*
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* In your controller: $this->Session->renew();
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*
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* @return void
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*/
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public function renew() { |
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return CakeSession::renew(); |
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} |
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/**
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* Used to check for a valid session.
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*
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* In your controller: $this->Session->valid();
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*
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* @return bool true is session is valid, false is session is invalid
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*/
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public function valid() { |
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return CakeSession::valid(); |
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} |
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/**
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* Used to destroy sessions
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*
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* In your controller: $this->Session->destroy();
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*
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* @return void
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* @link http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::destroy
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*/
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public function destroy() { |
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return CakeSession::destroy(); |
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} |
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/**
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* Get/Set the session id.
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*
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* When fetching the session id, the session will be started
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* if it has not already been started. When setting the session id,
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* the session will not be started.
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*
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* @param string $id Id to use (optional)
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* @return string The current session id.
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*/
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public function id($id = null) { |
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if (empty($id)) { |
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CakeSession::start();
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} |
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return CakeSession::id($id); |
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} |
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/**
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* Returns a bool, whether or not the session has been started.
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*
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* @return bool
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*/
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public function started() { |
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return CakeSession::started(); |
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} |
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} |