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Rev | Author | Line No. | Line |
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488 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * File Type Detection for PHP |
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593 | daniel-mar | 5 | * Copyright 2020 - 2021 Daniel Marschall, ViaThinkSoft |
488 | daniel-mar | 6 | * |
593 | daniel-mar | 7 | * Revision 2021-05-21 |
488 | 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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592 | daniel-mar | 25 | $mime_types = array(); |
26 | |||
488 | daniel-mar | 27 | include __DIR__ . '/mimetype_lookup.inc.php'; |
28 | |||
592 | daniel-mar | 29 | /** @phpstan-ignore-next-line */ |
488 | daniel-mar | 30 | foreach ($mime_types as $ext => $mime) { |
31 | if (strtoupper(substr($filename, -strlen($ext)-1)) == strtoupper('.'.$ext)) { |
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32 | return $mime; |
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33 | } |
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34 | } |
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35 | |||
36 | return false; |
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37 | } |
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38 | |||
39 | public static function getDescription($file, $filenames=array(__DIR__.'/filetypes.local', __DIR__.'/filetypes.conf')) { |
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40 | // TODO: Make it multi-lang |
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41 | |||
42 | $inis = array(); |
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43 | foreach ($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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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 ((substr($line,0,1) == '[') && ($line[strlen($line)-1] == ']')) { |
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55 | $line = substr($line, 1, strlen($line)-2); |
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56 | foreach ($inis as $ini) { |
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57 | if (isset($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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62 | } |
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63 | fclose($h); |
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64 | } |
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65 | |||
66 | foreach ($inis as $ini) { |
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67 | foreach ($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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71 | } |
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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 ($mime) { |
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82 | foreach ($inis as $ini) { |
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83 | if (isset($ini['MimeType'][$mime])) return $ini['MimeType'][$mime]; |
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84 | } |
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85 | } |
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86 | |||
592 | 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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488 | daniel-mar | 93 | } |
94 | |||
95 | } |