diff options
Diffstat (limited to 'classes/Session.php')
-rw-r--r-- | classes/Session.php | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/classes/Session.php b/classes/Session.php new file mode 100644 index 000000000..93fd99baa --- /dev/null +++ b/classes/Session.php @@ -0,0 +1,129 @@ +<?php +/** + * Table Definition for session + * + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2009, Control Yourself, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +if (!defined('LACONICA')) { exit(1); } + +require_once INSTALLDIR.'/classes/Memcached_DataObject.php'; + +class Session extends Memcached_DataObject +{ + ###START_AUTOCODE + /* the code below is auto generated do not remove the above tag */ + + public $__table = 'session'; // table name + public $id; // varchar(32) primary_key not_null + public $session_data; // text() + public $created; // datetime() not_null + public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP + + /* Static get */ + function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Session',$k,$v); } + + /* the code above is auto generated do not remove the tag below */ + ###END_AUTOCODE + + static function logdeb($msg) + { + if (common_config('sessions', 'debug')) { + common_debug("Session: " . $msg); + } + } + + static function open($save_path, $session_name) + { + return true; + } + + static function close() + { + return true; + } + + static function read($id) + { + self::logdeb("Fetching session '$id'"); + + $session = Session::staticGet('id', $id); + + if (empty($session)) { + return ''; + } else { + return (string)$session->session_data; + } + } + + static function write($id, $session_data) + { + self::logdeb("Writing session '$id'"); + + $session = Session::staticGet('id', $id); + + if (empty($session)) { + $session = new Session(); + + $session->id = $id; + $session->session_data = $session_data; + $session->created = common_sql_now(); + + return $session->insert(); + } else { + $session->session_data = $session_data; + + return $session->update(); + } + } + + static function destroy($id) + { + self::logdeb("Deleting session $id"); + + $session = Session::staticGet('id', $id); + + if (!empty($session)) { + return $session->delete(); + } + } + + static function gc($maxlifetime) + { + self::logdeb("garbage collection (maxlifetime = $maxlifetime)"); + + $epoch = time() - $maxlifetime; + + $qry = 'DELETE FROM session ' . + 'WHERE modified < "'.$epoch.'"'; + + $session = new Session(); + + $result = $session->query($qry); + + self::logdeb("garbage collection result = $result"); + } + + static function setSaveHandler() + { + self::logdeb("setting save handlers"); + $result = session_set_save_handler('Session::open', 'Session::close', 'Session::read', + 'Session::write', 'Session::destroy', 'Session::gc'); + self::logdeb("save handlers result = $result"); + return $result; + } +} |