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1<?php
2
3/**
4 * Mime type class.
5 *
6 * This Source Code Form is subject to the terms of the Mozilla Public License,
7 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
8 * obtain one at https://mozilla.org/MPL/2.0/.
9 *
10 * @package   phpMyFAQ
11 * @author    Anatoliy Belsky <ab@php.net>
12 * @copyright 2009-2026 phpMyFAQ Team
13 * @license   https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0
14 * @link      https://www.phpmyfaq.de
15 * @since     2009-08-21
16 */
17
18declare(strict_types=1);
19
20namespace phpMyFAQ\Attachment;
21
22/**
23 * Class AbstractMimeType
24 *
25 * @package phpMyFAQ\Attachment
26 */
27abstract class AbstractMimeType
28{
29    /**
30     * Simple file extension to mime type mapping.
31     */
32    protected static array $list = [
33        'ez' => 'application/andrew-inset',
34        'hqx' => 'application/mac-binhex40',
35        'cpt' => 'application/mac-compactpro',
36        'doc' => 'application/msword',
37        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
38        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
39        'bin' => 'application/octet-stream',
40        'dms' => 'application/octet-stream',
41        'lha' => 'application/octet-stream',
42        'lzh' => 'application/octet-stream',
43        'exe' => 'application/octet-stream',
44        'rar' => 'application/x-rar-compressed',
45        'class' => 'application/octet-stream',
46        'so' => 'application/octet-stream',
47        'dll' => 'application/octet-stream',
48        'oda' => 'application/oda',
49        'pdf' => 'application/pdf',
50        'ai' => 'application/postscript',
51        'eps' => 'application/postscript',
52        'ps' => 'application/postscript',
53        'smi' => 'application/smil',
54        'smil' => 'application/smil',
55        'mif' => 'application/vnd.mif',
56        'xls' => 'application/vnd.ms-excel',
57        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
58        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
59        'ppt' => 'application/vnd.ms-powerpoint',
60        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
61        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
62        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
63        'wbxml' => 'application/vnd.wap.wbxml',
64        'wmlc' => 'application/vnd.wap.wmlc',
65        'wmlsc' => 'application/vnd.wap.wmlscriptc',
66        'bcpio' => 'application/x-bcpio',
67        'vcd' => 'application/x-cdlink',
68        'pgn' => 'application/x-chess-pgn',
69        'cpio' => 'application/x-cpio',
70        'csh' => 'application/x-csh',
71        'dcr' => 'application/x-director',
72        'dir' => 'application/x-director',
73        'dxr' => 'application/x-director',
74        'dvi' => 'application/x-dvi',
75        'spl' => 'application/x-futuresplash',
76        'gtar' => 'application/x-gtar',
77        'hdf' => 'application/x-hdf',
78        'js' => 'application/x-javascript',
79        'skp' => 'application/x-koan',
80        'skd' => 'application/x-koan',
81        'skt' => 'application/x-koan',
82        'skm' => 'application/x-koan',
83        'latex' => 'application/x-latex',
84        'nc' => 'application/x-netcdf',
85        'cdf' => 'application/x-netcdf',
86        'sh' => 'application/x-sh',
87        'shar' => 'application/x-shar',
88        'swf' => 'application/x-shockwave-flash',
89        'sit' => 'application/x-stuffit',
90        'sv4cpio' => 'application/x-sv4cpio',
91        'sv4crc' => 'application/x-sv4crc',
92        'tar' => 'application/x-tar',
93        'tcl' => 'application/x-tcl',
94        'tex' => 'application/x-tex',
95        'texinfo' => 'application/x-texinfo',
96        'texi' => 'application/x-texinfo',
97        't' => 'application/x-troff',
98        'tr' => 'application/x-troff',
99        'roff' => 'application/x-troff',
100        'man' => 'application/x-troff-man',
101        'me' => 'application/x-troff-me',
102        'ms' => 'application/x-troff-ms',
103        'ustar' => 'application/x-ustar',
104        'src' => 'application/x-wais-source',
105        'xhtml' => 'application/xhtml+xml',
106        'xht' => 'application/xhtml+xml',
107        'zip' => 'application/zip',
108        'au' => 'audio/basic',
109        'snd' => 'audio/basic',
110        'mid' => 'audio/midi',
111        'midi' => 'audio/midi',
112        'kar' => 'audio/midi',
113        'mpga' => 'audio/mpeg',
114        'mp2' => 'audio/mpeg',
115        'mp3' => 'audio/mpeg',
116        'aif' => 'audio/x-aiff',
117        'aiff' => 'audio/x-aiff',
118        'aifc' => 'audio/x-aiff',
119        'm3u' => 'audio/x-mpegurl',
120        'ram' => 'audio/x-pn-realaudio',
121        'rm' => 'audio/x-pn-realaudio',
122        'rpm' => 'audio/x-pn-realaudio-plugin',
123        'ra' => 'audio/x-realaudio',
124        'wav' => 'audio/x-wav',
125        'pdb' => 'chemical/x-pdb',
126        'xyz' => 'chemical/x-xyz',
127        'bmp' => 'image/bmp',
128        'gif' => 'image/gif',
129        'ief' => 'image/ief',
130        'jpeg' => 'image/jpeg',
131        'jpg' => 'image/jpeg',
132        'jpe' => 'image/jpeg',
133        'png' => 'image/png',
134        'tiff' => 'image/tiff',
135        'tif' => 'image/tiff',
136        'djvu' => 'image/vnd.djvu',
137        'djv' => 'image/vnd.djvu',
138        'wbmp' => 'image/vnd.wap.wbmp',
139        'ras' => 'image/x-cmu-raster',
140        'pnm' => 'image/x-portable-anymap',
141        'pbm' => 'image/x-portable-bitmap',
142        'pgm' => 'image/x-portable-graymap',
143        'ppm' => 'image/x-portable-pixmap',
144        'rgb' => 'image/x-rgb',
145        'xbm' => 'image/x-xbitmap',
146        'xpm' => 'image/x-xpixmap',
147        'xwd' => 'image/x-xwindowdump',
148        'igs' => 'model/iges',
149        'iges' => 'model/iges',
150        'msh' => 'model/mesh',
151        'mesh' => 'model/mesh',
152        'silo' => 'model/mesh',
153        'wrl' => 'model/vrml',
154        'vrml' => 'model/vrml',
155        'css' => 'text/css',
156        'html' => 'text/html',
157        'htm' => 'text/html',
158        'asc' => 'text/plain',
159        'txt' => 'text/plain',
160        'rtx' => 'text/richtext',
161        'rtf' => 'text/rtf',
162        'sgml' => 'text/sgml',
163        'sgm' => 'text/sgml',
164        'tsv' => 'text/tab-separated-values',
165        'wml' => 'text/vnd.wap.wml',
166        'wmls' => 'text/vnd.wap.wmlscript',
167        'etx' => 'text/x-setext',
168        'xsl' => 'text/xml',
169        'xml' => 'text/xml',
170        'mpeg' => 'video/mpeg',
171        'mpg' => 'video/mpeg',
172        'mpe' => 'video/mpeg',
173        'qt' => 'video/quicktime',
174        'mov' => 'video/quicktime',
175        'mxu' => 'video/vnd.mpegurl',
176        'avi' => 'video/x-msvideo',
177        'movie' => 'video/x-sgi-movie',
178        'ice' => 'x-conference/x-cooltalk',
179        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
180        'odp' => 'application/vnd.oasis.opendocument.presentation ',
181        'sxc' => 'application/vnd.sun.xml.calc',
182        'odt' => 'application/vnd.oasis.opendocument.text',
183        'log' => 'text/plain',
184    ];
185
186    /**
187     * Read mime type mapped to extension.
188     *
189     * @param string $ext file extension
190     */
191    public static function guessByExt(string $ext): string
192    {
193        $mimeType = self::$list[$ext] ?? null;
194
195        return is_string($mimeType) ? $mimeType : 'application/octet-stream';
196    }
197}