xref: /webtrees/app/Http/Middleware/DoHousekeeping.php (revision cfbf56ad574e64d6e9caaa3d0e76e9a8c102b676) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Http\Middleware;
19
20use Fig\Http\Message\RequestMethodInterface;
21use Fisharebest\Webtrees\Services\HousekeepingService;
22use League\Flysystem\Adapter\Local;
23use League\Flysystem\Filesystem;
24use League\Flysystem\FilesystemInterface;
25use Psr\Http\Message\ResponseInterface;
26use Psr\Http\Message\ServerRequestInterface;
27use Psr\Http\Server\MiddlewareInterface;
28use Psr\Http\Server\RequestHandlerInterface;
29
30/**
31 * Run the housekeeping service at irregular intervals.
32 */
33class DoHousekeeping implements MiddlewareInterface
34{
35    // Delete cache files after 1 hour.
36    private const MAX_CACHE_AGE = 60 * 60;
37
38    // Delete thumnnails after 90 days.
39    private const MAX_THUMBNAIL_AGE = 60 * 60 * 24 * 90;
40
41    // Delete files in /data/tmp after 1 hour.
42    private const TMP_DIR          = 'data/tmp';
43    private const MAX_TMP_FILE_AGE = 60 * 60;
44
45    // Delete error logs after 90 days.
46    private const MAX_LOG_AGE = 60 * 60 * 24 * 90;
47
48    // Delete inactive sessions after 1 day.
49    private const MAX_SESSION_AGE = 60 * 60 * 24;
50
51    // Run the cleanup every 100 requests.
52    private const PROBABILITY = 100;
53
54    /** @var HousekeepingService */
55    private $housekeeping_service;
56
57    /**
58     * Housekeeping constructor.
59     *
60     * @param HousekeepingService $housekeeping_service
61     */
62    public function __construct(HousekeepingService $housekeeping_service)
63    {
64        $this->housekeeping_service = $housekeeping_service;
65    }
66
67    /**
68     * @param ServerRequestInterface  $request
69     * @param RequestHandlerInterface $handler
70     *
71     * @return ResponseInterface
72     */
73    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
74    {
75        $response = $handler->handle($request);
76
77        // Run the cleanup after random page requests.
78        if ($request->getMethod() === RequestMethodInterface::METHOD_GET && random_int(1, self::PROBABILITY) === 1) {
79            $this->runHousekeeping();
80        }
81
82        return $response;
83    }
84
85    /**
86     * Run the various housekeeping services.
87     *
88     * @return void
89     */
90    private function runHousekeeping(): void
91    {
92        $data_filesystem = app(FilesystemInterface::class);
93        $root_filesystem = new Filesystem(new Local(WT_ROOT));
94
95        // Clear files in the (user-specified) data folder - which might not be local files
96        $this->housekeeping_service->deleteOldFiles($data_filesystem, 'cache', self::MAX_CACHE_AGE);
97
98        $this->housekeeping_service->deleteOldFiles($data_filesystem, 'thumbnail-cache', self::MAX_THUMBNAIL_AGE);
99
100        // Clear files in /data - which need to be local files
101        $this->housekeeping_service->deleteOldFiles($root_filesystem, self::TMP_DIR, self::MAX_TMP_FILE_AGE);
102
103        // Clear entries in database tables
104        $this->housekeeping_service->deleteOldLogs(self::MAX_LOG_AGE);
105
106        $this->housekeeping_service->deleteOldSessions(self::MAX_SESSION_AGE);
107    }
108}
109