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


<?php
 
/*
 * File Type Detection for PHP
 * Copyright 2020 Daniel Marschall, ViaThinkSoft
 *
 *    Revision 2020-05-17
 *
 * 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) {
                include __DIR__ . '/mimetype_lookup.inc.php';
 
                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];
                        }
                }
 
                return $ini['Static']['LngUnknown'];
        }
 
}
 

Subversion Repositories fileformats

fileformats/trunk/VtsFileTypeDetect.class.php – Rev 3 → 4

Rev 3		Rev 4
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 Daniel Marschall, ViaThinkSoft
6	*	6	*
7	* Revision 2020-05-17	7	* Revision 2020-05-17
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	include __DIR__ . '/mimetype_lookup.inc.php';	25	include __DIR__ . '/mimetype_lookup.inc.php';
26		26
27	foreach ($mime_types as $ext => $mime) {	27	foreach ($mime_types as $ext => $mime) {
28	if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) {	28	if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
29	return $mime;	29	return $mime;
30	}	30	}
31	}	31	}
32		32
33	return false;	33	return false;
34	}	34	}
35		35
36	public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) {	36	public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) {
37	// TODO: Make it multi-lang	37	// TODO: Make it multi-lang
38		38
39	$inis = array();	39	$inis = array();
40	foreach ($filenames as $num => $filename) {	40	foreach ($filenames as $num => $filename) {
41	$inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW);	41	$inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW);
42	if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array();	42	if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array();
43	if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array();	43	if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array();
44	if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array();	44	if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array();
45	if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array();	45	if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array();
46	}	46	}
47		47
48	if (is_readable($file)) {	48	if (is_readable($file)) {
49	$h = fopen($file, 'r');	49	$h = fopen($file, 'r');
50	$line = trim(fgets($h, 128));	50	$line = trim(fgets($h, 128));
51	if (($line[0] == '[') && ($line[strlen($line)-1] == ']')) {	51	if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) {
52	$line = substr($line, 1, strlen($line)-2);	52	$line = substr($line, 1, strlen($line)-2);
53	foreach ($inis as $ini) {	53	foreach ($inis as $ini) {
54	if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line];	54	if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line];
55	}	55	}
56	foreach ($inis as $ini) {	56	foreach ($inis as $ini) {
57	if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line];	57	if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line];
58	}	58	}
59	}	59	}
60	fclose($h);	60	fclose($h);
61	}	61	}
62		62
63	foreach ($inis as $ini) {	63	foreach ($inis as $ini) {
64	foreach ($ini['FileExtension'] as $ext => $name) {	64	foreach ($ini['FileExtension'] as $ext => $name) {
65	if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) {	65	if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) {
66	return $name;	66	return $name;
67	}	67	}
68	}	68	}
69	}	69	}
70		70
71	$mime = false;	71	$mime = false;
72	if (function_exists('mime_content_type')) {	72	if (function_exists('mime_content_type')) {
73	$mime = @mime_content_type($file);	73	$mime = @mime_content_type($file);
74	}	74	}
75	if (!$mime) {	75	if (!$mime) {
76	$mime = self::getMimeType($file);	76	$mime = self::getMimeType($file);
77	}	77	}
78	if ($mime) {	78	if ($mime) {
79	foreach ($inis as $ini) {	79	foreach ($inis as $ini) {
80	if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime];	80	if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime];
81	}	81	}
82	}	82	}
83		83
84	return $ini['Static']['LngUnknown'];	84	return $ini['Static']['LngUnknown'];
85	}	85	}
86		86
87	}	87	}
88		88