1 | <?php |
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2 | declare(strict_types=1); |
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3 | |||
4 | /** |
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5 | * @copyright Copyright (c) 2019-2024 Matias De lellis <[email protected]> |
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6 | * |
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7 | * @author Matias De lellis <[email protected]> |
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8 | * |
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9 | * @license GNU AGPL version 3 or any later version |
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10 | * |
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11 | * This program is free software: you can redistribute it and/or modify |
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12 | * it under the terms of the GNU Affero General Public License as |
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13 | * published by the Free Software Foundation, either version 3 of the |
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14 | * License, or (at your option) any later version. |
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15 | * |
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16 | * This program is distributed in the hope that it will be useful, |
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | * GNU Affero General Public License for more details. |
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20 | * |
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21 | * You should have received a copy of the GNU Affero General Public License |
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22 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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23 | * |
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24 | */ |
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25 | |||
26 | namespace OCA\FaceRecognition\Service; |
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27 | |||
28 | class CompressionService { |
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29 | |||
30 | /** |
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31 | * Decompress according to file extension |
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32 | * |
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33 | * @param string $inputFile |
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34 | * @param string $outputFile |
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35 | * |
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36 | * @throws \Exception |
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37 | * |
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38 | * @return void |
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39 | */ |
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40 | 1 | public function decompress(string $inputFile, string $outputFile): void { |
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41 | 1 | if (!file_exists ($inputFile) || !is_readable ($inputFile)) |
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42 | throw new \Exception('The file ' . $inputFile . ' not exists or is not readable'); |
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43 | |||
44 | 1 | if ((!file_exists($outputFile) && !is_writeable(dirname($outputFile))) || |
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45 | 1 | (file_exists($outputFile) && !is_writable($outputFile))) |
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46 | throw new \Exception('The file ' . $outputFile . ' exists or is not writable'); |
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47 | |||
48 | 1 | $extension = pathinfo($inputFile, PATHINFO_EXTENSION); |
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49 | switch ($extension) { |
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50 | 1 | case 'bz2': |
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51 | 1 | $this->bunzip2($inputFile, $outputFile); |
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52 | 1 | break; |
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53 | default: |
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54 | throw new \Exception('Unsupported file format: ' . $extension); |
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55 | break; |
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56 | } |
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57 | } |
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58 | |||
59 | 1 | private function bunzip2(string $inputFile, string $outputFile): void { |
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60 | 1 | $in_file = bzopen ($inputFile, "r"); |
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61 | 1 | $out_file = fopen ($outputFile, "w"); |
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62 | |||
63 | 1 | if ($out_file === false) |
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64 | throw new \Exception('Could not open the file to write: ' . $outputFile); |
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65 | |||
66 | 1 | while ($buffer = bzread ($in_file, 4096)) { |
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67 | 1 | if($buffer === false) |
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68 | throw new \Exception('Read problem: ' . bzerrstr($in_file)); |
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69 | 1 | if(bzerrno($in_file) !== 0) |
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70 | throw new \Exception('Compression problem: '. bzerrstr($in_file)); |
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71 | |||
72 | 1 | fwrite ($out_file, $buffer, 4096); |
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73 | } |
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74 | |||
75 | 1 | bzclose ($in_file); |
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76 | 1 | fclose ($out_file); |
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77 | } |
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78 | |||
79 | } |
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80 |