StrictSessionHandler.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;


/**
 * Adds basic `SessionUpdateTimestampHandlerInterface` behaviors to another `SessionHandlerInterface`.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
class StrictSessionHandler extends AbstractSessionHandler {
    private bool $doDestroy;
    public function __construct(\SessionHandlerInterface $handler) {
        if ($handler instanceof \SessionUpdateTimestampHandlerInterface) {
            throw new \LogicException(\sprintf('"%s" is already an instance of "SessionUpdateTimestampHandlerInterface", you cannot wrap it with "%s".', get_debug_type($handler), self::class));
        }
    }
    
    /**
     * Returns true if this handler wraps an internal PHP session save handler using \SessionHandler.
     *
     * @internal
     */
    public function isWrapper() : bool {
        return $this->handler instanceof \SessionHandler;
    }
    public function open(string $savePath, string $sessionName) : bool {
        parent::open($savePath, $sessionName);
        return $this->handler
            ->open($savePath, $sessionName);
    }
    protected function doRead(string $sessionId) : string {
        return $this->handler
            ->read($sessionId);
    }
    public function updateTimestamp(string $sessionId, string $data) : bool {
        return $this->write($sessionId, $data);
    }
    protected function doWrite(string $sessionId, string $data) : bool {
        return $this->handler
            ->write($sessionId, $data);
    }
    public function destroy(string $sessionId) : bool {
        $this->doDestroy = true;
        $destroyed = parent::destroy($sessionId);
        return $this->doDestroy ? $this->doDestroy($sessionId) : $destroyed;
    }
    protected function doDestroy(string $sessionId) : bool {
        $this->doDestroy = false;
        return $this->handler
            ->destroy($sessionId);
    }
    public function close() : bool {
        return $this->handler
            ->close();
    }
    public function gc(int $maxlifetime) : int|false {
        return $this->handler
            ->gc($maxlifetime);
    }

}