xref: /webtrees/app/Http/RequestHandlers/ModuleAction.php (revision d11be7027e34e3121be11cc025421873364403f9) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 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\RequestHandlers;
21
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Http\Exceptions\HttpAccessDeniedException;
24use Fisharebest\Webtrees\Http\Exceptions\HttpNotFoundException;
25use Fisharebest\Webtrees\Services\ModuleService;
26use Fisharebest\Webtrees\Validator;
27use Psr\Http\Message\ResponseInterface;
28use Psr\Http\Message\ServerRequestInterface;
29use Psr\Http\Server\RequestHandlerInterface;
30
31use function method_exists;
32use function str_contains;
33use function strtolower;
34
35/**
36 * Controller for module actions.
37 */
38class ModuleAction implements RequestHandlerInterface
39{
40    private ModuleService $module_service;
41
42    /**
43     * @param ModuleService $module_service
44     */
45    public function __construct(ModuleService $module_service)
46    {
47        $this->module_service = $module_service;
48    }
49
50    /**
51     * Perform an HTTP action for one of the modules.
52     *
53     * @param ServerRequestInterface $request
54     *
55     * @return ResponseInterface
56     */
57    public function handle(ServerRequestInterface $request): ResponseInterface
58    {
59        $module_name = $request->getAttribute('module');
60        $action      = $request->getAttribute('action');
61        $user        = Validator::attributes($request)->user();
62
63        // Check that the module is enabled.
64        // The module itself will need to check any tree-level access,
65        // which may be different for each component (tab, menu, etc.) of the module.
66        $module = $this->module_service->findByName($module_name);
67
68        if ($module === null) {
69            throw new HttpNotFoundException('Module ' . $module_name . ' does not exist');
70        }
71
72        // We'll call a function such as Module::getFooBarAction()
73        $verb   = strtolower($request->getMethod());
74        $method = $verb . $action . 'Action';
75
76        // Actions with "Admin" in the name are for administrators only.
77        if (str_contains($action, 'Admin') && !Auth::isAdmin($user)) {
78            throw new HttpAccessDeniedException('Admin only action');
79        }
80
81        if (!method_exists($module, $method)) {
82            throw new HttpNotFoundException('Method ' . $method . '() not found in ' . $module_name);
83        }
84
85        return $module->$method($request);
86    }
87}
88