xref: /webtrees/app/Http/Middleware/AuthModerator.php (revision 54c1ab5ea4e2eb9e21dbacd6aa33a0f25550ac18) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Http\Middleware;
21
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Http\RequestHandlers\HomePage;
24use Fisharebest\Webtrees\Http\RequestHandlers\LoginPage;
25use Fisharebest\Webtrees\Tree;
26use Fisharebest\Webtrees\User;
27use InvalidArgumentException;
28use Psr\Http\Message\ResponseInterface;
29use Psr\Http\Message\ServerRequestInterface;
30use Psr\Http\Server\MiddlewareInterface;
31use Psr\Http\Server\RequestHandlerInterface;
32use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
33
34use function assert;
35use function redirect;
36use function route;
37
38/**
39 * Middleware to restrict access to moderators.
40 */
41class AuthModerator implements MiddlewareInterface
42{
43    /**
44     * @param ServerRequestInterface  $request
45     * @param RequestHandlerInterface $handler
46     *
47     * @return ResponseInterface
48     */
49    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
50    {
51        $tree = $request->getAttribute('tree');
52        assert($tree instanceof Tree, new InvalidArgumentException());
53
54        $user = $request->getAttribute('user');
55
56        // Logged in with the correct role?
57        if ($tree instanceof Tree && Auth::isModerator($tree, $user)) {
58            return $handler->handle($request);
59        }
60
61        // Logged in, but without the correct role?
62        if ($user instanceof User) {
63            return redirect(route(HomePage::class));
64        }
65
66        // Not logged in.
67        return redirect(route(LoginPage::class, ['url' => $request->getUri()]));
68    }
69}
70