xref: /webtrees/app/Http/Middleware/UseDatabase.php (revision befb078ac49853bab3cf5a7e795637fe7911cedb)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2020 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\Webtrees;
23use Illuminate\Database\Capsule\Manager as DB;
24use Illuminate\Database\Query\Builder;
25use PDO;
26use PDOException;
27use Psr\Http\Message\ResponseInterface;
28use Psr\Http\Message\ServerRequestInterface;
29use Psr\Http\Server\MiddlewareInterface;
30use Psr\Http\Server\RequestHandlerInterface;
31use RuntimeException;
32
33use function addcslashes;
34use function trigger_error;
35
36use const E_USER_DEPRECATED;
37
38/**
39 * Middleware to connect to the database.
40 */
41class UseDatabase 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        // Earlier versions of webtrees did not have a dbtype config option.  They always used mysql.
52        $driver = $request->getAttribute('dbtype', 'mysql');
53
54        $dbname = $request->getAttribute('dbname');
55
56        if ($driver === 'sqlite') {
57            $dbname = Webtrees::ROOT_DIR . 'data/' . $dbname . '.sqlite';
58        }
59
60        $capsule = new DB();
61
62        // Newer versions of webtrees support utf8mb4.  Older ones only support 3-byte utf8
63        if ($driver === 'mysql' && $request->getAttribute('mysql_utf8mb4') === '1') {
64            $charset   = 'utf8mb4';
65            $collation = 'utf8mb4_unicode_ci';
66        } else {
67            $charset   = 'utf8';
68            $collation = 'utf8_unicode_ci';
69        }
70
71        $capsule->addConnection([
72            'driver'                  => $driver,
73            'host'                    => $request->getAttribute('dbhost'),
74            'port'                    => $request->getAttribute('dbport'),
75            'database'                => $dbname,
76            'username'                => $request->getAttribute('dbuser'),
77            'password'                => $request->getAttribute('dbpass'),
78            'prefix'                  => $request->getAttribute('tblpfx'),
79            'prefix_indexes'          => true,
80            'options'                 => [
81                // Some drivers do this and some don't.  Make them consistent.
82                PDO::ATTR_STRINGIFY_FETCHES => true,
83            ],
84            // For MySQL
85            'charset'                 => $charset,
86            'collation'               => $collation,
87            'timezone'                => '+00:00',
88            'engine'                  => 'InnoDB',
89            'modes'                   => [
90                'ANSI',
91                'STRICT_ALL_TABLES',
92                // Use SQL injection(!) to override MAX_JOIN_SIZE and GROUP_CONCAT_MAX_LEN settings.
93                "', SQL_BIG_SELECTS=1, GROUP_CONCAT_MAX_LEN=1048576, @foobar='"
94            ],
95            // For SQLite
96            'foreign_key_constraints' => true,
97        ]);
98
99        $capsule->setAsGlobal();
100
101        Builder::macro('whereContains', function ($column, string $search, string $boolean = 'and'): Builder {
102            // Assertion helps static analysis tools understand where we will be using this closure.
103            assert($this instanceof Builder);
104
105            trigger_error('Builder::whereContains() is deprecated. Use LIKE.', E_USER_DEPRECATED);
106
107            return $this->where($column, 'LIKE', '%' . addcslashes($search, '\\%_') . '%', $boolean);
108        });
109
110        try {
111            // Eager-load the connection, to prevent database credentials appearing in error logs.
112            DB::connection()->getPdo();
113        } catch (PDOException $exception) {
114            throw new RuntimeException($exception->getMessage());
115        }
116
117        return $handler->handle($request);
118    }
119}
120