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| Rev | Author | Line No. | Line |
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| 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($filename) { |
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| 25 | include __DIR__ . '/mimetype_lookup.inc.php'; |
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| 26 | |||
| 27 | foreach ($mime_types as $ext => $mime) { |
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| 28 | if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 29 | return $mime; |
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| 30 | } |
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| 31 | } |
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| 32 | |||
| 33 | return false; |
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| 34 | } |
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| 35 | |||
| 36 | public static function getDescription($file, $filename1=__DIR__.'/filetypes.conf', $filename2=__DIR__.'/filetypes.local') { |
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| 37 | // TODO: Make it multi-lang |
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| 38 | |||
| 39 | $ini = !file_exists($filename1) ? array() : parse_ini_file($filename1, true, INI_SCANNER_RAW); |
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| 40 | if (!isset($ini['OidHeader'])) $ini['OidHeader'] = array(); |
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| 41 | if (!isset($ini['GuidHeader'])) $ini['GuidHeader'] = array(); |
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| 42 | if (!isset($ini['FileExtension'])) $ini['FileExtension'] = array(); |
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| 43 | if (!isset($ini['MimeType'])) $ini['MimeType'] = array(); |
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| 44 | |||
| 45 | $ini2 = !file_exists($filename2) ? array() : parse_ini_file($filename2, true, INI_SCANNER_RAW); |
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| 46 | if (!isset($ini2['OidHeader'])) $ini2['OidHeader'] = array(); |
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| 47 | if (!isset($ini2['GuidHeader'])) $ini2['GuidHeader'] = array(); |
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| 48 | if (!isset($ini2['FileExtension'])) $ini2['FileExtension'] = array(); |
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| 49 | if (!isset($ini2['MimeType'])) $ini2['MimeType'] = array(); |
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| 50 | |||
| 51 | if (is_readable($file)) { |
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| 52 | $h = fopen($file, 'r'); |
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| 53 | $line = trim(fgets($h, 128)); |
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| 54 | if (($line[0] == '[') && ($line[strlen($line)-1] == ']')) { |
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| 55 | $line = substr($line, 1, strlen($line)-2); |
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| 56 | if (isset($ini2['OidHeader'][$line])) return $ini2['OidHeader'][$line]; |
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| 57 | if (isset($ini['OidHeader'][$line])) return $ini['OidHeader'][$line]; |
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| 58 | if (isset($ini2['GuidHeader'][$line])) return $ini2['GuidHeader'][$line]; |
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| 59 | if (isset($ini['GuidHeader'][$line])) return $ini['GuidHeader'][$line]; |
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| 60 | } |
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| 61 | fclose($h); |
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| 62 | } |
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| 63 | |||
| 64 | foreach ($ini2['FileExtension'] as $ext => $name) { |
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| 65 | if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 66 | return $name; |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | foreach ($ini['FileExtension'] as $ext => $name) { |
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| 71 | if (strtoupper(substr($file, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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| 72 | return $name; |
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| 73 | } |
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| 74 | } |
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| 75 | |||
| 76 | $mime = false; |
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| 77 | if (function_exists('mime_content_type')) { |
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| 78 | $mime = @mime_content_type($file); |
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| 79 | } |
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| 80 | if (!$mime) { |
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| 81 | $mime = self::getMimeType($file); |
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| 82 | } |
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| 83 | if ($mime) { |
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| 84 | if (isset($ini2['MimeType'][$mime])) return $ini2['MimeType'][$mime]; |
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| 85 | if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime]; |
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| 86 | } |
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| 87 | |||
| 88 | return $ini['Static']['LngUnknown']; |
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| 89 | } |
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| 90 | |||
| 91 | } |