WebSVN – fileformats – Diff – /trunk/VtsFileTypeDetect.class.php


<?php
 
/*
 * File Type Detection for PHP
 * Copyright 2020 - 2021 Daniel Marschall, ViaThinkSoft
 *
 *    Revision 2021-05-21
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
class VtsFileTypeDetect {
 
        public static function getMimeType($filename) {
                $mime_types = array();
 
                include __DIR__ . '/mimetype_lookup.inc.php';
 
                /** @phpstan-ignore-next-line */
                foreach ($mime_types as $ext => $mime) {
                        if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
                                return $mime;
                        }
                }
 
                return false;
        }
 
        public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) {
                // TODO: Make it multi-lang
 
                $inis = array();
                foreach ($filenames as $num => $filename) {
                        $inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW);
                        if (!isset($inis[$num]['OidHeader']))     $inis[$num]['OidHeader']     = array();
                        if (!isset($inis[$num]['GuidHeader']))    $inis[$num]['GuidHeader']    = array();
                        if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array();
                        if (!isset($inis[$num]['MimeType']))      $inis[$num]['MimeType']      = array();
                }
 
                if (is_readable($file)) {
                        $h = fopen($file, 'r');
                        $line = trim(fgets($h, 128));
                        if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) {
                                $line = substr($line, 1, strlen($line)-2);
                                foreach ($inis as $ini) {
                                        if (isset($ini['OidHeader'][$line]))  return $ini['OidHeader'][$line];
                                }
                                foreach ($inis as $ini) {
                                        if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line];
                                }
                        }
                        fclose($h);
                }
 
                foreach ($inis as $ini) {
                        foreach ($ini['FileExtension'] as $ext => $name) {
                                if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
                                        return $name;
                                }
                        }
                }
 
                $mime = false;
                if (function_exists('mime_content_type')) {
                        $mime = @mime_content_type($file);
                }
                if (!$mime) {
                        $mime = self::getMimeType($file);
                }
                if ($mime) {
                        foreach ($inis as $ini) {
                                if (isset($ini['MimeType'][$mime]))  return $ini['MimeType'][$mime];
                        }
                }
 
                foreach ($inis as $ini) {
                        if (isset($ini['Static']['LngUnknown'])) {
                                return $ini['Static']['LngUnknown'];
                        }
                }
                return 'Unknown';
        }
 
}
 

Rev 5	Rev 8
1	<?php	1	<?php
2		2
3	/*	3	/*
4	* File Type Detection for PHP	4	* File Type Detection for PHP
5	* Copyright 2020 Daniel Marschall, ViaThinkSoft	5	* Copyright 2020 - 2021 Daniel Marschall, ViaThinkSoft
6	*	6	*
7	* Revision 2020-05-17	7	* Revision 2021-05-21
8	*	8	*
9	* Licensed under the Apache License, Version 2.0 (the "License");	9	* Licensed under the Apache License, Version 2.0 (the "License");
10	* you may not use this file except in compliance with the License.	10	* you may not use this file except in compliance with the License.
11	* You may obtain a copy of the License at	11	* You may obtain a copy of the License at
12	*	12	*
13	* http://www.apache.org/licenses/LICENSE-2.0	13	* http://www.apache.org/licenses/LICENSE-2.0
14	*	14	*
15	* Unless required by applicable law or agreed to in writing, software	15	* Unless required by applicable law or agreed to in writing, software
16	* distributed under the License is distributed on an "AS IS" BASIS,	16	* distributed under the License is distributed on an "AS IS" BASIS,
17	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.	17	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18	* See the License for the specific language governing permissions and	18	* See the License for the specific language governing permissions and
19	* limitations under the License.	19	* limitations under the License.
20	*/	20	*/
21		21
22	class VtsFileTypeDetect {	22	class VtsFileTypeDetect {
23		23
24	public static function getMimeType($filename) {	24	public static function getMimeType($filename) {
25	$mime_types = array();	25	$mime_types = array();
26		26
27	include __DIR__ . '/mimetype_lookup.inc.php';	27	include __DIR__ . '/mimetype_lookup.inc.php';
28		28
-		29	/** @phpstan-ignore-next-line */
29	foreach ($mime_types as $ext => $mime) {	30	foreach ($mime_types as $ext => $mime) {
30	if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) {	31	if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
31	return $mime;	32	return $mime;
32	}	33	}
33	}	34	}
34		35
35	return false;	36	return false;
36	}	37	}
37		38
38	public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) {	39	public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) {
39	// TODO: Make it multi-lang	40	// TODO: Make it multi-lang
40		41
41	$inis = array();	42	$inis = array();
42	foreach ($filenames as $num => $filename) {	43	foreach ($filenames as $num => $filename) {
43	$inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW);	44	$inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW);
44	if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array();	45	if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array();
45	if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array();	46	if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array();
46	if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array();	47	if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array();
47	if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array();	48	if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array();
48	}	49	}
49		50
50	if (is_readable($file)) {	51	if (is_readable($file)) {
51	$h = fopen($file, 'r');	52	$h = fopen($file, 'r');
52	$line = trim(fgets($h, 128));	53	$line = trim(fgets($h, 128));
53	if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) {	54	if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) {
54	$line = substr($line, 1, strlen($line)-2);	55	$line = substr($line, 1, strlen($line)-2);
55	foreach ($inis as $ini) {	56	foreach ($inis as $ini) {
56	if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line];	57	if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line];
57	}	58	}
58	foreach ($inis as $ini) {	59	foreach ($inis as $ini) {
59	if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line];	60	if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line];
60	}	61	}
61	}	62	}
62	fclose($h);	63	fclose($h);
63	}	64	}
64		65
65	foreach ($inis as $ini) {	66	foreach ($inis as $ini) {
66	foreach ($ini['FileExtension'] as $ext => $name) {	67	foreach ($ini['FileExtension'] as $ext => $name) {
67	if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) {	68	if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
68	return $name;	69	return $name;
69	}	70	}
70	}	71	}
71	}	72	}
72		73
73	$mime = false;	74	$mime = false;
74	if (function_exists('mime_content_type')) {	75	if (function_exists('mime_content_type')) {
75	$mime = @mime_content_type($file);	76	$mime = @mime_content_type($file);
76	}	77	}
77	if (!$mime) {	78	if (!$mime) {
78	$mime = self::getMimeType($file);	79	$mime = self::getMimeType($file);
79	}	80	}
80	if ($mime) {	81	if ($mime) {
81	foreach ($inis as $ini) {	82	foreach ($inis as $ini) {
82	if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime];	83	if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime];
83	}	84	}
84	}	85	}
85		86
-		87	foreach ($inis as $ini) {
-		88	if (isset($ini['Static']['LngUnknown'])) {
86	return $ini['Static']['LngUnknown'];	89	return $ini['Static']['LngUnknown'];
87	}	90	}
-		91	}
-		92	return 'Unknown';
-		93	}
88		94
89	}	95	}
90		96

Subversion Repositories fileformats

fileformats/trunk/VtsFileTypeDetect.class.php – Rev 5 → 8