xref: /webtrees/app/Http/Middleware/AuthModerator.php (revision afa67798854828b1edc33dd077960ec2b18e6140) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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\Exceptions\HttpAccessDeniedException;
25use Fisharebest\Webtrees\Http\RequestHandlers\LoginPage;
26use Fisharebest\Webtrees\Tree;
27use Fisharebest\Webtrees\User;
28use Psr\Http\Message\ResponseInterface;
29use Psr\Http\Message\ServerRequestInterface;
30use Psr\Http\Server\MiddlewareInterface;
31use Psr\Http\Server\RequestHandlerInterface;
32
33use function assert;
34use function redirect;
35use function route;
36
37/**
38 * Middleware to restrict access to moderators.
39 */
40class AuthModerator implements MiddlewareInterface
41{
42    /**
43     * @param ServerRequestInterface  $request
44     * @param RequestHandlerInterface $handler
45     *
46     * @return ResponseInterface
47     */
48    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
49    {
50        $tree = $request->getAttribute('tree');
51        assert($tree instanceof Tree);
52
53        $user = $request->getAttribute('user');
54
55        // Logged in with the correct role?
56        if (Auth::isModerator($tree, $user)) {
57            return $handler->handle($request);
58        }
59
60        // Logged in, but without the correct role?
61        if ($user instanceof User || $request->getMethod() === RequestMethodInterface::METHOD_POST) {
62            throw new HttpAccessDeniedException();
63        }
64
65        // Not logged in.
66        return redirect(route(LoginPage::class, ['tree' => $tree->name(), 'url' => $request->getUri()]));
67    }
68}
69