friendica-github/src/Factory/SessionFactory.php

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<?php
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/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Factory;
use Friendica\App;
use Friendica\Core\Cache\ICache;
use Friendica\Core\Cache\Type;
use Friendica\Core\Config\IConfig;
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use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Database\Database;
use Friendica\Util\Profiler;
use Psr\Log\LoggerInterface;
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/**
* Factory for creating a valid Session for this run
*/
class SessionFactory
{
/** @var string The plain, PHP internal session management */
const HANDLER_NATIVE = 'native';
/** @var string Using the database for session management */
const HANDLER_DATABASE = 'database';
/** @var string Using the cache for session management */
const HANDLER_CACHE = 'cache';
const HANDLER_DEFAULT = self::HANDLER_DATABASE;
/**
* @param App\Mode $mode
* @param App\BaseURL $baseURL
* @param IConfig $config
* @param Database $dba
* @param ICache $cache
* @param LoggerInterface $logger
* @param array $server
*
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* @return Session\ISession
*/
public function createSession(App\Mode $mode, App\BaseURL $baseURL, IConfig $config, Database $dba, ICache $cache, LoggerInterface $logger, Profiler $profiler, array $server = [])
{
$stamp1 = microtime(true);
$session = null;
try {
if ($mode->isInstall() || $mode->isBackend()) {
$session = new Session\Memory();
} else {
$session_handler = $config->get('system', 'session_handler', self::HANDLER_DEFAULT);
$handler = null;
switch ($session_handler) {
case self::HANDLER_DATABASE:
$handler = new Session\Handler\Database($dba, $logger, $server);
break;
case self::HANDLER_CACHE:
// In case we're using the db as cache driver, use the native db session, not the cache
if ($config->get('system', 'cache_driver') === Type::DATABASE) {
$handler = new Session\Handler\Database($dba, $logger, $server);
} else {
$handler = new Session\Handler\Cache($cache, $logger, $server);
}
break;
}
$session = new Session\Native($baseURL, $handler);
}
} finally {
$profiler->saveTimestamp($stamp1, 'parser', System::callstack());
return $session;
}
}
}