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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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| 8 | daniel-mar | 5 | * Copyright 2020 - 2021 Daniel Marschall, ViaThinkSoft |
| 2 | daniel-mar | 6 | * |
| 8 | daniel-mar | 7 | * Revision 2021-05-21 |
| 2 | daniel-mar | 8 | * |
| 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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| 8 | daniel-mar | 25 | $mime_types = array(); |
| 26 | |||
| 2 | daniel-mar | 27 | include __DIR__ . '/mimetype_lookup.inc.php'; |
| 28 | |||
| 8 | daniel-mar | 29 | /** @phpstan-ignore-next-line */ |
| 2 | daniel-mar | 30 | foreach ($mime_types as $ext => $mime) { |
| 31 | if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 32 | return $mime; |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | return false; |
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| 37 | } |
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| 38 | |||
| 3 | daniel-mar | 39 | public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) { |
| 2 | daniel-mar | 40 | // TODO: Make it multi-lang |
| 41 | |||
| 3 | daniel-mar | 42 | $inis = array(); |
| 43 | foreach ($filenames as $num => $filename) { |
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| 44 | $inis[$num] = !file_exists($filename) ? array() : parse_ini_file($filename, true, INI_SCANNER_RAW); |
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| 45 | if (!isset($inis[$num]['OidHeader'])) $inis[$num]['OidHeader'] = array(); |
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| 46 | if (!isset($inis[$num]['GuidHeader'])) $inis[$num]['GuidHeader'] = array(); |
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| 47 | if (!isset($inis[$num]['FileExtension'])) $inis[$num]['FileExtension'] = array(); |
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| 48 | if (!isset($inis[$num]['MimeType'])) $inis[$num]['MimeType'] = array(); |
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| 49 | } |
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| 2 | daniel-mar | 50 | |
| 51 | if (is_readable($file)) { |
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| 52 | $h = fopen($file, 'r'); |
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| 53 | $line = trim(fgets($h, 128)); |
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| 4 | daniel-mar | 54 | if ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) { |
| 2 | daniel-mar | 55 | $line = substr($line, 1, strlen($line)-2); |
| 3 | daniel-mar | 56 | foreach ($inis as $ini) { |
| 57 | if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line]; |
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| 58 | } |
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| 59 | foreach ($inis as $ini) { |
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| 60 | if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line]; |
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| 61 | } |
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| 2 | daniel-mar | 62 | } |
| 63 | fclose($h); |
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| 64 | } |
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| 65 | |||
| 3 | daniel-mar | 66 | foreach ($inis as $ini) { |
| 67 | foreach ($ini['FileExtension'] as $ext => $name) { |
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| 68 | if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 69 | return $name; |
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| 70 | } |
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| 2 | daniel-mar | 71 | } |
| 72 | } |
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| 73 | |||
| 74 | $mime = false; |
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| 75 | if (function_exists('mime_content_type')) { |
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| 76 | $mime = @mime_content_type($file); |
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| 77 | } |
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| 78 | if (!$mime) { |
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| 79 | $mime = self::getMimeType($file); |
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| 80 | } |
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| 81 | if ($mime) { |
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| 3 | daniel-mar | 82 | foreach ($inis as $ini) { |
| 83 | if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime]; |
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| 84 | } |
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| 2 | daniel-mar | 85 | } |
| 86 | |||
| 8 | daniel-mar | 87 | foreach ($inis as $ini) { |
| 88 | if (isset($ini['Static']['LngUnknown'])) { |
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| 89 | return $ini['Static']['LngUnknown']; |
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| 90 | } |
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| 91 | } |
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| 92 | return 'Unknown'; |
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| 2 | daniel-mar | 93 | } |
| 94 | |||
| 95 | } |