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118 lines
2.5 KiB
118 lines
2.5 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/* from
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http://www.spiration.co.uk/post/1333/PHP 5 sessions in mysql database with PDO db objects
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*/
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/**
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*
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*/
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class Session
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{
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public $db;
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public function __destruct()
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{
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session_write_close();
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}
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/**
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* @param $path
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* @param $name
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* @return bool
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*/
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public function open($path, $name)
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{
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return true;
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}
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/**
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* @return bool
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*/
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public function close()
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{
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return true;
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}
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/**
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* @param $sesskey
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* @return mixed
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*/
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public function read($sesskey)
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{
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global $prefs;
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$bindvars = [ $sesskey ];
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if ($prefs['session_lifetime'] > 0) {
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$qry = 'select data from sessions where sesskey = ? and expiry > ?';
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$bindvars[] = $prefs['session_lifetime'];
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} else {
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$qry = 'select data from sessions where sesskey = ?';
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}
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return TikiDb::get()->getOne($qry, $bindvars) ?: '';
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}
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/**
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* @param $sesskey
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* @param $data
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* @return bool
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*/
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public function write($sesskey, $data)
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{
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global $prefs;
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if (TikiDb::get()->getLock($sesskey)) {
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$expiry = time() + ($prefs['session_lifetime'] * 60);
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TikiDb::get()->query('insert into sessions (sesskey, data, expiry) values( ?, ?, ? ) on duplicate key update data=values(data), expiry=values(expiry)', [$sesskey, $data, $expiry]);
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TikiDb::get()->releaseLock('sessions');
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return true;
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}
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return false;
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}
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/**
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* @param $sesskey
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* @return bool
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*/
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public function destroy($sesskey)
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{
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$qry = 'delete from sessions where sesskey = ?';
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TikiDb::get()->query($qry, [ $sesskey ]);
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return true;
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}
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/**
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* @param $maxlifetime
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* @return bool
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*/
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public function gc($maxlifetime)
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{
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global $prefs;
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if ($prefs['session_lifetime'] > 0) {
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$qry = 'delete from sessions where expiry < ?';
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TikiDb::get()->query($qry, [ time() ]);
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}
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return true;
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}
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}
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$session = new Session();
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session_set_save_handler(
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[$session, 'open'],
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[$session, 'close'],
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[$session, 'read'],
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[$session, 'write'],
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[$session, 'destroy'],
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[$session, 'gc']
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);
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