Passed
Push — master ( 7063d6...9e7aeb )
by Matias
04:08
created

DownloadService::clean()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 2
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
c 1
b 0
f 0
nc 1
nop 0
dl 0
loc 2
ccs 2
cts 2
cp 1
crap 1
rs 10
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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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use OCP\ITempManager;
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class DownloadService {
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	/** @var ITempManager */
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	private $tempManager;
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	public function __construct(ITempManager $tempManager)
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	{
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		$this->tempManager = $tempManager;
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	}
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	/**
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	 * Download a file in a temporary folder
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	 *
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	 * @param string $fileUrl url to download.
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	 * @return string temp file downloaded.
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	 *
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	 * @throws \Exception
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	 */
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	public function downloadFile(string $fileUrl): string {
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		$tempFolder = $this->tempManager->getTemporaryFolder('/facerecognition/');
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		$tempFile = $tempFolder . basename($fileUrl);
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		$fp = fopen($tempFile, 'w+');
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		if ($fp === false) {
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			throw new \Exception('Could not open the file to write: ' . $tempFile);
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		}
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		$ch = curl_init($fileUrl);
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		if ($ch === false) {
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			throw new \Exception('Curl error: unable to initialize curl');
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		}
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		curl_setopt_array($ch, [
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			CURLOPT_FILE => $fp,
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			CURLOPT_FOLLOWLOCATION => true,
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			CURLOPT_SSL_VERIFYPEER => false,
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			CURLOPT_SSL_VERIFYHOST => 0,
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			CURLOPT_USERAGENT => 'Nextcloud-Face-Recognition-Service',
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		]);
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		if (curl_exec($ch) === false) {
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			throw new \Exception('Curl error: ' . curl_error($ch));
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		}
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		$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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		if ($httpCode !== 200) {
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			$statusCodes = [
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				400 => 'Bad request',
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				401 => 'Unauthorized',
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				403 => 'Forbidden',
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				404 => 'Not Found',
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				500 => 'Internal Server Error',
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				502 => 'Bad Gateway',
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				503 => 'Service Unavailable',
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				504 => 'Gateway Timeout',
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			];
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			$message = 'Download failed';
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			if(isset($statusCodes[$httpCode])) {
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				$message .= ' - ' . $statusCodes[$httpCode] . ' (HTTP ' . $httpCode . ')';
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			} else {
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				$message .= ' - HTTP status code: ' . $httpCode;
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			}
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			$curlErrorMessage = curl_error($ch);
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			if(!empty($curlErrorMessage)) {
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				$message .= ' - curl error message: ' . $curlErrorMessage;
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			}
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			$message .= ' - URL: ' . htmlentities($fileUrl);
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			throw new \Exception($message);
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		}
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		curl_close($ch);
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		fclose($fp);
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		return $tempFile;
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	}
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	/**
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	 * Remove any temporary file from the service.
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	 *
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	 * @return void
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	 */
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	public function clean(): void {
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		$this->tempManager->clean();
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	}
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}
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