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https://github.com/kamilwylegala/cakephp2-php8.git
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117 lines
3 KiB
PHP
117 lines
3 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 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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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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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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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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/**
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* DatabaseSession provides methods to be used with CakeSession.
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*
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* @package cake.libs
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*/
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class DatabaseSession implements CakeSessionHandlerInterface {
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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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* @access private
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*/
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public static 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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* @access private
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*/
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public static function close() {
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$probability = mt_rand(1, 150);
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if ($probability <= 3) {
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DatabaseSession::gc();
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}
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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 mixed $id The key of the value to read
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* @return mixed The value of the key or false if it does not exist
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* @access private
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*/
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public static function read($id) {
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$model =& ClassRegistry::getObject('Session');
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$row = $model->find('first', array(
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'conditions' => array($model->primaryKey => $id)
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));
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if (empty($row[$model->alias]['data'])) {
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return false;
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}
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return $row[$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 $data The value of the data to be saved.
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* @return boolean True for successful write, false otherwise.
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* @access private
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*/
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public static function write($id, $data) {
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$expires = time() + (Configure::read('Session.timeout') * 60);
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$model =& ClassRegistry::getObject('Session');
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$return = $model->save(compact('id', 'data', 'expires'));
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return $return;
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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 $id ID that uniquely identifies session in database
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* @return boolean True for successful delete, false otherwise.
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* @access private
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*/
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public static function destroy($id) {
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$model =& ClassRegistry::getObject('Session');
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$return = $model->delete($id);
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return $return;
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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 $expires Timestamp (defaults to current time)
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* @return boolean Success
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* @access private
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*/
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public static function gc($expires = null) {
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$model =& ClassRegistry::getObject('Session');
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if (!$expires) {
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$expires = time();
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}
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$return = $model->deleteAll(array($model->alias . ".expires <" => $expires), false, false);
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return $return;
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}
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}
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