9.5/_additional_response_headers_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Backend\Middleware;


/*

 * 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\MiddlewareInterface;

use Psr\Http\Server\RequestHandlerInterface;


class ‪AdditionalResponseHeaders implements MiddlewareInterface

{

    public function ‪process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface

    {

        $response = $handler->handle($request);

        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['BE']['HTTP']['Response']['Headers'] ?? [] as $header) {

            [$headerName, $value] = explode(':', $header, 2);

            $response = $response->withAddedHeader($headerName, trim($value));

        }

        return $response;

    }

}