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CollectGarbage.php
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CollectGarbage.php
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<?php
/*
* This file is part of Flarum.
*
* For detailed copyright and license information, please view the
* LICENSE file that was distributed with this source code.
*/
namespace Flarum\Http\Middleware;
use Carbon\Carbon;
use Flarum\Http\AccessToken;
use Flarum\User\EmailToken;
use Flarum\User\PasswordToken;
use Flarum\User\RegistrationToken;
use Illuminate\Contracts\Config\Repository as ConfigRepository;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\MiddlewareInterface as Middleware;
use Psr\Http\Server\RequestHandlerInterface as Handler;
use SessionHandlerInterface;
class CollectGarbage implements Middleware
{
protected array $sessionConfig;
public function __construct(
protected SessionHandlerInterface $sessionHandler,
ConfigRepository $config
) {
$this->sessionConfig = (array) $config->get('session');
}
public function process(Request $request, Handler $handler): Response
{
$this->collectGarbageSometimes();
return $handler->handle($request);
}
private function collectGarbageSometimes(): void
{
// In order to save performance, we only execute this query
// from time to time (with 2% chance).
if (! $this->hit()) {
return;
}
$time = Carbon::now()->timestamp;
AccessToken::whereExpired()->delete();
$earliestToKeep = date('Y-m-d H:i:s', $time - 24 * 60 * 60);
EmailToken::where('created_at', '<=', $earliestToKeep)->delete();
PasswordToken::where('created_at', '<=', $earliestToKeep)->delete();
RegistrationToken::where('created_at', '<=', $earliestToKeep)->delete();
$this->sessionHandler->gc($this->getSessionLifetimeInSeconds());
}
private function hit(): bool
{
return mt_rand(1, 100) <= 2;
}
private function getSessionLifetimeInSeconds(): float|int
{
return $this->sessionConfig['lifetime'] * 60;
}
}