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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * File Type Detection for PHP |
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| 5 | * Copyright 2020 Daniel Marschall, ViaThinkSoft |
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| 6 | * |
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| 7 | * Revision 2020-05-17 |
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| 8 | * |
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| 9 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 10 | * you may not use this file except in compliance with the License. |
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| 11 | * You may obtain a copy of the License at |
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| 12 | * |
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| 13 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 14 | * |
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| 15 | * Unless required by applicable law or agreed to in writing, software |
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| 16 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 17 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 18 | * See the License for the specific language governing permissions and |
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| 19 | * limitations under the License. |
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| 20 | */ |
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| 21 | |||
| 22 | class VtsFileTypeDetect { |
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| 23 | |||
| 24 | public static function getMimeType($filename) { |
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| 5 | daniel-mar | 25 | $mime_types = array(); |
| 26 | |||
| 2 | daniel-mar | 27 | include __DIR__ . '/mimetype_lookup.inc.php'; |
| 28 | |||
| 29 | foreach ($mime_types as $ext => $mime) { |
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| 30 | if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 31 | return $mime; |
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| 32 | } |
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| 33 | } |
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| 34 | |||
| 35 | return false; |
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| 36 | } |
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| 37 | |||
| 3 | daniel-mar | 38 | public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) { |
| 2 | daniel-mar | 39 | // TODO: Make it multi-lang |
| 40 | |||
| 3 | daniel-mar | 41 | $inis = array(); |
| 42 | foreach ($filenames as $num => $filename) { |
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| 43 | $inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW); |
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| 44 | if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array(); |
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| 45 | if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array(); |
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| 46 | if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array(); |
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| 47 | if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array(); |
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| 48 | } |
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| 2 | daniel-mar | 49 | |
| 50 | if (is_readable($file)) { |
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| 51 | $h = fopen($file, 'r'); |
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| 52 | $line = trim(fgets($h, 128)); |
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| 4 | daniel-mar | 53 | if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) { |
| 2 | daniel-mar | 54 | $line = substr($line, 1, strlen($line)-2); |
| 3 | daniel-mar | 55 | foreach ($inis as $ini) { |
| 56 | if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line]; |
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| 57 | } |
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| 58 | foreach ($inis as $ini) { |
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| 59 | if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line]; |
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| 60 | } |
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| 2 | daniel-mar | 61 | } |
| 62 | fclose($h); |
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| 63 | } |
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| 64 | |||
| 3 | daniel-mar | 65 | foreach ($inis as $ini) { |
| 66 | foreach ($ini['FileExtension'] as $ext => $name) { |
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| 67 | if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 68 | return $name; |
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| 69 | } |
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| 2 | daniel-mar | 70 | } |
| 71 | } |
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| 72 | |||
| 73 | $mime = false; |
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| 74 | if (function_exists('mime_content_type')) { |
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| 75 | $mime = @mime_content_type($file); |
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| 76 | } |
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| 77 | if (!$mime) { |
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| 78 | $mime = self::getMimeType($file); |
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| 79 | } |
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| 80 | if ($mime) { |
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| 3 | daniel-mar | 81 | foreach ($inis as $ini) { |
| 82 | if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime]; |
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| 83 | } |
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| 2 | daniel-mar | 84 | } |
| 85 | |||
| 86 | return $ini['Static']['LngUnknown']; |
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| 87 | } |
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| 88 | |||
| 89 | } |