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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2019-2023 Matias De lellis <[email protected]> |
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* |
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* @author Matias De lellis <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\FaceRecognition\Service; |
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class CompressionService { |
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/** |
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* Decompress according to file extension |
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* |
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* @param string $inputFile |
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* @param string $outputFile |
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* |
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* @throws \Exception |
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* |
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* @return void |
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*/ |
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public function decompress(string $inputFile, string $outputFile): void { |
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if (!file_exists ($inputFile) || !is_readable ($inputFile)) |
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throw new \Exception('The file ' . $inputFile . ' not exists or is not readable'); |
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1 |
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if ((!file_exists($outputFile) && !is_writeable(dirname($outputFile))) || |
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1 |
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(file_exists($outputFile) && !is_writable($outputFile))) |
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throw new \Exception('The file ' . $outputFile . ' exists or is not writable'); |
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1 |
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$extension = pathinfo($inputFile, PATHINFO_EXTENSION); |
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switch ($extension) { |
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case 'bz2': |
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$this->bunzip2($inputFile, $outputFile); |
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break; |
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case '7z': |
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$this->un7z($inputFile, $outputFile); |
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break; |
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default: |
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throw new \Exception('Unsupported file format: ' . $extension); |
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break; |
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} |
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} |
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private function bunzip2(string $inputFile, string $outputFile): void { |
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$in_file = bzopen ($inputFile, "r"); |
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1 |
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$out_file = fopen ($outputFile, "w"); |
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1 |
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if ($out_file === false) |
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throw new \Exception('Could not open the file to write: ' . $outputFile); |
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while ($buffer = bzread ($in_file, 4096)) { |
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1 |
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if($buffer === false) |
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throw new \Exception('Read problem: ' . bzerrstr($in_file)); |
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1 |
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if(bzerrno($in_file) !== 0) |
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throw new \Exception('Compression problem: '. bzerrstr($in_file)); |
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1 |
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fwrite ($out_file, $buffer, 4096); |
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} |
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1 |
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bzclose ($in_file); |
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1 |
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fclose ($out_file); |
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} |
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private function un7z(string $inputFile, string $outputFile): void { |
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$cmd = '7z x ' . $inputFile . ' -o/tmp/'; |
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$output = null; |
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$retval = null; |
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exec($cmd, $output, $retval); |
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if ($retval != 0) |
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throw new \Exception('Fail to extract ' . $inputFile . ': ' . $output); |
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rename('/tmp/' . basename($outputFile), $outputFile); |
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} |
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} |
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matiasdelellis /
facerecognition
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