firefly-iii/app/Http/Middleware/AcceptHeaders.php
2022-11-06 18:14:21 +01:00

70 lines
2.4 KiB
PHP

<?php
/*
* AcceptHeaders.php
* Copyright (c) 2022 james@firefly-iii.org
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\Http\Middleware;
use FireflyIII\Exceptions\BadHttpHeaderException;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Log;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
/**
*
*/
class AcceptHeaders
{
/**
* Handle the incoming requests.
*
* @param Request $request
* @param callable $next
* @return Response
* @throws BadHttpHeaderException
*/
public function handle($request, $next): mixed
{
$method = $request->getMethod();
if ('GET' === $method && !$request->accepts(['application/json', 'application/vdn.api+json'])) {
throw new BadHttpHeaderException('Your request must accept either application/json or application/vdn.api+json.');
}
$allowed = ['application/x-www-form-urlencoded','application/json'];
$submitted = (string)$request->header('Content-Type');
if (('POST' === $method || 'PUT' === $method) && !in_array($submitted, $allowed, true)) {
$error = new BadHttpHeaderException(sprintf('Content-Type cannot be "%s"', $submitted));
$error->statusCode = 415;
throw $error;
}
// throw bad request if trace id is not a UUID
$uuid = $request->header('X-Trace-Id', null);
if (is_string($uuid) && '' !== trim($uuid) && (preg_match('/^[a-f\d]{8}(-[a-f\d]{4}){4}[a-f\d]{8}$/i', trim($uuid)) !== 1)) {
throw new BadRequestHttpException('Bad X-Trace-Id header.');
}
return $next($request);
}
}