src/Factory/SessionFactory.php

   1 <?php
   2
   3 namespace Friendica\Factory;
   4
   5 use Friendica\App;
   6 use Friendica\Core\Cache\Cache;
   7 use Friendica\Core\Cache\ICache;
   8 use Friendica\Core\Config\Configuration;
   9 use Friendica\Core\Session\ISession;
  10 use Friendica\Core\Session\Memory;
  11 use Friendica\Core\Session\Native;
  12 use Friendica\Core\System;
  13 use Friendica\Database\Database;
  14 use Friendica\Model\User\Cookie;
  15 use Friendica\Util\Profiler;
  16 use Psr\Log\LoggerInterface;
  17
  18 /**
  19  * Factory for creating a valid Session for this run
  20  */
  21 class SessionFactory
  22 {
  23         /** @var string The plain, PHP internal session management */
  24         const INTERNAL = 'native';
  25         /** @var string Using the database for session management */
  26         const DATABASE = 'database';
  27         /** @var string Using the cache for session management */
  28         const CACHE = 'cache';
  29         /** @var string A temporary cached session */
  30         const MEMORY  = 'memory';
  31         /** @var string The default type for Session management in case of no config */
  32         const DEFAULT = self::DATABASE;
  33
  34         /**
  35          * @param App\Mode        $mode
  36          * @param Configuration   $config
  37          * @param Cookie          $cookie
  38          * @param Database        $dba
  39          * @param ICache          $cache
  40          * @param LoggerInterface $logger
  41          * @param array           $server
  42          *
  43          * @return ISession
  44          */
  45         public function createSession(App\Mode $mode, Configuration $config, Cookie $cookie, Database $dba, ICache $cache, LoggerInterface $logger, Profiler $profiler, array $server = [])
  46         {
  47                 $stamp1  = microtime(true);
  48                 $session = null;
  49
  50                 try {
  51                         if ($mode->isInstall() || $mode->isBackend()) {
  52                                 $session = new Memory();
  53                         } else {
  54                                 $session_handler = $config->get('system', 'session_handler', self::DEFAULT);
  55
  56                                 switch ($session_handler) {
  57                                         case self::INTERNAL:
  58                                                 $session = new Native($config, $cookie);
  59                                                 break;
  60                                         case self::DATABASE:
  61                                         default:
  62                                                 $session = new Database($config, $cookie, $dba, $logger, $server);
  63                                                 break;
  64                                         case self::CACHE:
  65                                                 // In case we're using the db as cache driver, use the native db session, not the cache
  66                                                 if ($config->get('system', 'cache_driver') === Cache::TYPE_DATABASE) {
  67                                                         $session = new Database($config, $cookie, $dba, $logger, $server);
  68                                                 } else {
  69                                                         $session = new Cache($config, $cookie, $cache, $logger, $server);
  70                                                 }
  71                                                 break;
  72                                 }
  73                         }
  74                 } finally {
  75                         $profiler->saveTimestamp($stamp1, 'parser', System::callstack());
  76                         return $session;
  77                 }
  78         }
  79 }