SessionStorage.php

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<?php
namespace TYPO3\CMS\Rsaauth\Storage;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

class SessionStorage extends AbstractStorage
{
    public function __construct()
    {
        if (!isset($_SESSION) || !is_array($_SESSION)) {
            session_start();
        }
    }

    public function get()
    {
        return isset($_SESSION['tx_rsaauth_key']) ? $_SESSION['tx_rsaauth_key'] : null;
    }

    public function put($key)
    {
        $_SESSION['tx_rsaauth_key'] = $key;
    }
}