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\IConfiguration;
   9 use Friendica\Core\Session;
  10 use Friendica\Core\System;
  11 use Friendica\Database\Database;
  12 use Friendica\Util\Profiler;
  13 use Psr\Log\LoggerInterface;
  14
  15 /**
  16  * Factory for creating a valid Session for this run
  17  */
  18 class SessionFactory
  19 {
  20         /** @var string The plain, PHP internal session management */
  21         const HANDLER_NATIVE = 'native';
  22         /** @var string Using the database for session management */
  23         const HANDLER_DATABASE = 'database';
  24         /** @var string Using the cache for session management */
  25         const HANDLER_CACHE = 'cache';
  26
  27         const HANDLER_DEFAULT = self::HANDLER_DATABASE;
  28
  29         /**
  30          * @param App\Mode        $mode
  31          * @param App\BaseURL     $baseURL
  32          * @param IConfiguration  $config
  33          * @param Database        $dba
  34          * @param ICache          $cache
  35          * @param LoggerInterface $logger
  36          * @param array           $server
  37          *
  38          * @return Session\ISession
  39          */
  40         public function createSession(App\Mode $mode, App\BaseURL $baseURL, IConfiguration $config, Database $dba, ICache $cache, LoggerInterface $logger, Profiler $profiler, array $server = [])
  41         {
  42                 $stamp1  = microtime(true);
  43                 $session = null;
  44
  45                 try {
  46                         if ($mode->isInstall() || $mode->isBackend()) {
  47                                 $session = new Session\Memory();
  48                         } else {
  49                                 $session_handler = $config->get('system', 'session_handler', self::HANDLER_DEFAULT);
  50                                 $handler = null;
  51
  52                                 switch ($session_handler) {
  53                                         case self::HANDLER_DATABASE:
  54                                                 $handler = new Session\Handler\Database($dba, $logger, $server);
  55                                                 break;
  56                                         case self::HANDLER_CACHE:
  57                                                 // In case we're using the db as cache driver, use the native db session, not the cache
  58                                                 if ($config->get('system', 'cache_driver') === Cache::TYPE_DATABASE) {
  59                                                         $handler = new Session\Handler\Database($dba, $logger, $server);
  60                                                 } else {
  61                                                         $handler = new Session\Handler\Cache($cache, $logger, $server);
  62                                                 }
  63                                                 break;
  64                                 }
  65
  66                                 $session = new Session\Native($baseURL, $handler);
  67                         }
  68                 } finally {
  69                         $profiler->saveTimestamp($stamp1, 'parser', System::callstack());
  70                         return $session;
  71                 }
  72         }
  73 }