xref: /webtrees/app/Http/Middleware/DoHousekeeping.php (revision 9b152ff9230017d2c03aa1bf603a98b18250446d) 
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 Fig\Http\Message\RequestMethodInterface;
23use Fisharebest\Webtrees\Services\HousekeepingService;
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
30use function assert;
31
32/**
33 * Run the housekeeping service at irregular intervals.
34 */
35class DoHousekeeping implements MiddlewareInterface
36{
37    // Delete thumbnails after 90 days.
38    private const MAX_THUMBNAIL_AGE = 60 * 60 * 24 * 90;
39
40    // Delete files in /data/tmp after 1 hour.
41    private const TMP_DIR          = 'data/tmp';
42    private const MAX_TMP_FILE_AGE = 60 * 60;
43
44    // Delete error logs after 90 days.
45    private const MAX_LOG_AGE = 60 * 60 * 24 * 90;
46
47    // Delete inactive sessions after 1 day.
48    private const MAX_SESSION_AGE = 60 * 60 * 24;
49
50    // Run the cleanup every 100 requests.
51    private const PROBABILITY = 100;
52
53    /** @var HousekeepingService */
54    private $housekeeping_service;
55
56    /**
57     * Housekeeping constructor.
58     *
59     * @param HousekeepingService $housekeeping_service
60     */
61    public function __construct(HousekeepingService $housekeeping_service)
62    {
63        $this->housekeeping_service = $housekeeping_service;
64    }
65
66    /**
67     * @param ServerRequestInterface  $request
68     * @param RequestHandlerInterface $handler
69     *
70     * @return ResponseInterface
71     */
72    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
73    {
74        $data_filesystem = $request->getAttribute('filesystem.data');
75        assert($data_filesystem instanceof FilesystemInterface);
76
77        $root_filesystem = $request->getAttribute('filesystem.root');
78        assert($root_filesystem instanceof FilesystemInterface);
79
80        $response = $handler->handle($request);
81
82        // Run the cleanup after random page requests.
83        if ($request->getMethod() === RequestMethodInterface::METHOD_GET && random_int(1, self::PROBABILITY) === 1) {
84            $this->runHousekeeping($data_filesystem, $root_filesystem);
85        }
86
87        return $response;
88    }
89
90    /**
91     * Run the various housekeeping services.
92     *
93     * @param FilesystemInterface $data_filesystem
94     * @param FilesystemInterface $root_filesystem
95     *
96     * @return void
97     */
98    private function runHousekeeping(FilesystemInterface $data_filesystem, FilesystemInterface $root_filesystem): void
99    {
100        // Clear old thumbnails
101        $this->housekeeping_service->deleteOldFiles($data_filesystem, 'thumbnail-cache', self::MAX_THUMBNAIL_AGE);
102
103        // Clear temporary files
104        $this->housekeeping_service->deleteOldFiles($root_filesystem, self::TMP_DIR, self::MAX_TMP_FILE_AGE);
105
106        // Clear entries in database tables
107        $this->housekeeping_service->deleteOldLogs(self::MAX_LOG_AGE);
108
109        $this->housekeeping_service->deleteOldSessions(self::MAX_SESSION_AGE);
110    }
111}
112