xref: /webtrees/app/Http/Middleware/AuthModerator.php (revision 5bfc689774bb9a6401271c4ed15a6d50652c991b) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Http\Middleware;
21
22use Fig\Http\Message\RequestMethodInterface;
23use Fisharebest\Webtrees\Auth;
24use Fisharebest\Webtrees\Http\Exceptions\HttpAccessDeniedException;
25use Fisharebest\Webtrees\Http\RequestHandlers\LoginPage;
26use Fisharebest\Webtrees\User;
27use Fisharebest\Webtrees\Validator;
28use Psr\Http\Message\ResponseInterface;
29use Psr\Http\Message\ServerRequestInterface;
30use Psr\Http\Server\MiddlewareInterface;
31use Psr\Http\Server\RequestHandlerInterface;
32
33use function redirect;
34use function route;
35
36/**
37 * Middleware to restrict access to moderators.
38 */
39class AuthModerator implements MiddlewareInterface
40{
41    /**
42     * @param ServerRequestInterface  $request
43     * @param RequestHandlerInterface $handler
44     *
45     * @return ResponseInterface
46     */
47    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
48    {
49        $tree = Validator::attributes($request)->tree();
50        $user = Validator::attributes($request)->user();
51
52        // Logged in with the correct role?
53        if (Auth::isModerator($tree, $user)) {
54            return $handler->handle($request);
55        }
56
57        // Logged in, but without the correct role?
58        if ($user instanceof User || $request->getMethod() === RequestMethodInterface::METHOD_POST) {
59            throw new HttpAccessDeniedException();
60        }
61
62        // Not logged in.
63        return redirect(route(LoginPage::class, ['tree' => $tree->name(), 'url' => (string) $request->getUri()]));
64    }
65}
66