src/Factory/SessionFactory.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Factory;
  23
  24 use Friendica\App;
  25 use Friendica\Core\Cache\ICache;
  26 use Friendica\Core\Cache\Type;
  27 use Friendica\Core\Config\IConfig;
  28 use Friendica\Core\Session;
  29 use Friendica\Core\System;
  30 use Friendica\Database\Database;
  31 use Friendica\Util\Profiler;
  32 use Psr\Log\LoggerInterface;
  33
  34 /**
  35  * Factory for creating a valid Session for this run
  36  */
  37 class SessionFactory
  38 {
  39         /** @var string The plain, PHP internal session management */
  40         const HANDLER_NATIVE = 'native';
  41         /** @var string Using the database for session management */
  42         const HANDLER_DATABASE = 'database';
  43         /** @var string Using the cache for session management */
  44         const HANDLER_CACHE = 'cache';
  45
  46         const HANDLER_DEFAULT = self::HANDLER_DATABASE;
  47
  48         /**
  49          * @param App\Mode        $mode
  50          * @param App\BaseURL     $baseURL
  51          * @param IConfig         $config
  52          * @param Database        $dba
  53          * @param ICache          $cache
  54          * @param LoggerInterface $logger
  55          * @param array           $server
  56          *
  57          * @return Session\ISession
  58          */
  59         public function createSession(App\Mode $mode, App\BaseURL $baseURL, IConfig $config, Database $dba, ICache $cache, LoggerInterface $logger, Profiler $profiler, array $server = [])
  60         {
  61                 $stamp1  = microtime(true);
  62                 $session = null;
  63
  64                 try {
  65                         if ($mode->isInstall() || $mode->isBackend()) {
  66                                 $session = new Session\Memory();
  67                         } else {
  68                                 $session_handler = $config->get('system', 'session_handler', self::HANDLER_DEFAULT);
  69                                 $handler = null;
  70
  71                                 switch ($session_handler) {
  72                                         case self::HANDLER_DATABASE:
  73                                                 $handler = new Session\Handler\Database($dba, $logger, $server);
  74                                                 break;
  75                                         case self::HANDLER_CACHE:
  76                                                 // In case we're using the db as cache driver, use the native db session, not the cache
  77                                                 if ($config->get('system', 'cache_driver') === Type::DATABASE) {
  78                                                         $handler = new Session\Handler\Database($dba, $logger, $server);
  79                                                 } else {
  80                                                         $handler = new Session\Handler\Cache($cache, $logger, $server);
  81                                                 }
  82                                                 break;
  83                                 }
  84
  85                                 $session = new Session\Native($baseURL, $handler);
  86                         }
  87                 } finally {
  88                         $profiler->saveTimestamp($stamp1, 'parser');
  89                         return $session;
  90                 }
  91         }
  92 }