BackendUserAuthenticator.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Core\Middleware;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use ‪TYPO3\CMS\Core\Context\Context;
use ‪TYPO3\CMS\Core\Context\UserAspect;
use ‪TYPO3\CMS\Core\Context\WorkspaceAspect;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
abstract class ‪BackendUserAuthenticator implements MiddlewareInterface
{
    protected ‪$context;
 
    public function ‪__construct(‪Context ‪$context)
    {
        $this->context = ‪$context;
    }
 
    abstract public function ‪process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface;
 
    protected function ‪applyHeadersToResponse(ResponseInterface $response): ResponseInterface
    {
        $headers = [
            'Expires' => 0,
            'Last-Modified' => gmdate('D, d M Y H:i:s') . ' GMT',
            'Cache-Control' => 'no-cache, must-revalidate',
            // HTTP 1.0 compatibility, see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Pragma
            'Pragma' => 'no-cache'
        ];
        foreach ($headers as $headerName => $headerValue) {
            $response = $response->withHeader($headerName, (string)$headerValue);
        }
        return $response;
    }
 
    protected function ‪setBackendUserAspect(?BackendUserAuthentication $user, int $alternativeWorkspaceId = null): void
    {
        $this->context->setAspect(
            'backend.user',
            GeneralUtility::makeInstance(UserAspect::class, $user)
        );
        $this->context->setAspect(
            'workspace',
            GeneralUtility::makeInstance(WorkspaceAspect::class, $alternativeWorkspaceId ?? $user->workspace ?? 0)
        );
    }
}