9.5/backend_2_classes_2_http_2_request_handler_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Backend\Http;


/*

 * 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!

 */


use Psr\Http\Message\ResponseInterface;

use Psr\Http\Message\ServerRequestInterface;

use Psr\Http\Server\RequestHandlerInterface as PsrRequestHandlerInterface;

use ‪TYPO3\CMS\Backend\Routing\Exception\InvalidRequestTokenException;

use ‪TYPO3\CMS\Core\Http\RedirectResponse;

use ‪TYPO3\CMS\Core\Http\RequestHandlerInterface;

use ‪TYPO3\CMS\Core\Http\Response;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪RequestHandler implements ‪RequestHandlerInterface, PsrRequestHandlerInterface

{

    public function ‪handleRequest(ServerRequestInterface $request): ResponseInterface

    {

        return $this->‪handle($request);

    }


    public function ‪handle(ServerRequestInterface $request): ResponseInterface

    {

        // Use a custom pre-created response for AJAX calls

        // @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0: No prepared $response to RouteDispatcher any longer

        if (TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_AJAX) {

            $response = new ‪Response('php://temp', 200, [

                'Content-Type' => 'application/json; charset=utf-8',

                'X-JSON' => 'true'

            ]);

        } else {

            $response = new ‪Response();

        }

        try {

            // Check if the router has the available route and dispatch.

            $dispatcher = GeneralUtility::makeInstance(RouteDispatcher::class);

            return $dispatcher->dispatch($request, $response);

        } catch (‪InvalidRequestTokenException $e) {

            // When token was invalid redirect to login

            $url = GeneralUtility::getIndpEnv('TYPO3_SITE_URL') . TYPO3_mainDir;

            return new ‪RedirectResponse($url);

        }

    }


    public function ‪canHandleRequest(ServerRequestInterface $request): bool

    {

        return (bool)(TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_BE);

    }


    public function ‪getPriority(): int

    {

        return 50;

    }

}