mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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147 lines
3.6 KiB
PHP
147 lines
3.6 KiB
PHP
<?php
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/**
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* Database Session save handler. Allows saving session information into a model.
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*
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* PHP 5
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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.Model.Datasource.Session
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* @since CakePHP(tm) v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('CakeSessionHandlerInterface', 'Model/Datasource/Session');
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App::uses('ClassRegistry', 'Utility');
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/**
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* DatabaseSession provides methods to be used with CakeSession.
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*
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* @package Cake.Model.Datasource.Session
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*/
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class DatabaseSession implements CakeSessionHandlerInterface {
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/**
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* Reference to the model handling the session data
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*
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* @var Model
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*/
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protected $_model;
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/**
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* Number of seconds to mark the session as expired
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*
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* @var int
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*/
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protected $_timeout;
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/**
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* Constructor. Looks at Session configuration information and
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* sets up the session model.
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*
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*/
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public function __construct() {
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$modelName = Configure::read('Session.handler.model');
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if (empty($modelName)) {
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$settings = array(
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'class' => 'Session',
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'alias' => 'Session',
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'table' => 'cake_sessions',
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);
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} else {
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$settings = array(
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'class' => $modelName,
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'alias' => 'Session',
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);
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}
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$this->_model = ClassRegistry::init($settings);
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$this->_timeout = Configure::read('Session.timeout') * 60;
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}
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/**
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* Method called on open of a database session.
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*
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* @return boolean Success
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*/
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public function open() {
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return true;
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}
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/**
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* Method called on close of a database session.
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*
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* @return boolean Success
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*/
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public function close() {
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return true;
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}
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/**
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* Method used to read from a database session.
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*
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* @param integer|string $id The key of the value to read
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* @return mixed The value of the key or false if it does not exist
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*/
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public function read($id) {
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$row = $this->_model->find('first', array(
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'conditions' => array($this->_model->primaryKey => $id)
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));
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if (empty($row[$this->_model->alias]['data'])) {
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return false;
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}
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return $row[$this->_model->alias]['data'];
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}
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/**
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* Helper function called on write for database sessions.
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*
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* @param integer $id ID that uniquely identifies session in database
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* @param mixed $data The value of the data to be saved.
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* @return boolean True for successful write, false otherwise.
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*/
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public function write($id, $data) {
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if (!$id) {
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return false;
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}
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$expires = time() + $this->_timeout;
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$record = compact('id', 'data', 'expires');
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$record[$this->_model->primaryKey] = $id;
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return $this->_model->save($record);
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}
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/**
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* Method called on the destruction of a database session.
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*
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* @param integer $id ID that uniquely identifies session in database
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* @return boolean True for successful delete, false otherwise.
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*/
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public function destroy($id) {
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return $this->_model->delete($id);
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}
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/**
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* Helper function called on gc for database sessions.
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*
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* @param integer $expires Timestamp (defaults to current time)
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* @return boolean Success
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*/
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public function gc($expires = null) {
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if (!$expires) {
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$expires = time();
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} else {
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$expires = time() - $expires;
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}
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return $this->_model->deleteAll(array($this->_model->alias . ".expires <" => $expires), false, false);
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}
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}
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