FileService::downloaldFile() - Code Metrics - Inspection of "'Elegantly' take the crawl_missing flag to force s..." - matiasdelellis/facerecognition - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — imaginary ( eaed66...5e9e61 )

by Matias

created 2022-12-15 18:33 UTC

FileService::downloaldFile() B

↳ Parent: FileService

Complexity

Conditions	7
Paths	8

Size

Total Lines	59
Code Lines	40

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	20
CRAP Score	14.0419

Importance

Changes

Metric	Value
cc	7
eloc	40
c	0
b	0
f	0
nc	8
nop	1
dl	0
loc	59
ccs	20
cts	42
cp	0.4762
crap	14.0419
rs	8.3466

How to fix Long Method

<?php
declare(strict_types=1);

/**
 * @copyright Copyright (c) 2019-2020 Matias De lellis <[email protected]>
 *
 * @author Matias De lellis <[email protected]>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\FaceRecognition\Service;

use OCP\Files\IRootFolder;
use OCP\Files\File;
use OCP\Files\Folder;
use OCP\Files\Node;
use OCP\ITempManager;

use OCP\Files\IHomeStorage;
use OCP\Files\NotFoundException;
use OCP\Files\StorageNotAvailableException;

use OCA\Files_Sharing\External\Storage as SharingExternalStorage;
filter:
    dependency_paths: ["lib/*"]

use OCA\FaceRecognition\Service\SettingsService;

class FileService {

	const NOMEDIA_FILE = ".nomedia";

	const NOIMAGE_FILE = ".noimage";

	const FACERECOGNITION_SETTINGS_FILE = ".facerecognition.json";

	/**  @var string|null */
	private $userId;

	/** @var IRootFolder */
	private $rootFolder;

	/** @var ITempManager */
	private $tempManager;

	/** @var SettingsService */
	private $settingsService;

	public function __construct($userId,
	                            IRootFolder     $rootFolder,
	                            ITempManager    $tempManager,
	                            SettingsService $settingsService)
	{
		$this->userId          = $userId;
		$this->rootFolder      = $rootFolder;
		$this->tempManager     = $tempManager;
		$this->settingsService = $settingsService;
	}

	/**
	 * TODO: Describe exactly when necessary.
	 *
	 * @return void
	 */
	public function setupFS(string $userId): void {
		\OC_Util::tearDownFS();
filter:
    dependency_paths: ["lib/*"]
		\OC_Util::setupFS($userId);

		$this->userId = $userId;
	}

	/**
	 * Get root user folder
	 * @param string $userId
	 * @return Folder
	 */
	public function getUserFolder($userId = null): Folder {
		return $this->rootFolder->getUserFolder($this->userId ?? $userId);
	}

	/**
	 * Get a Node from userFolder
	 * @param int $id the id of the Node
	 * @param string $userId
	 * @return Node | null
	 */
	public function getFileById(int $fileId, $userId = null): ?Node {
		$files = $this->rootFolder->getUserFolder($this->userId ?? $userId)->getById($fileId);
		if (count($files) === 0) {
			return null;
		}

		return $files[0];
	}

	/**
	 * Get a Node from userFolder
	 * @param string $fullpath the fullpath of the Node
	 * @param string $userId
	 * @return Node | null
	 */
	public function getFileByPath($fullpath, $userId = null): ?Node {
		$file = $this->rootFolder->getUserFolder($this->userId ?? $userId)->get($fullpath);
		return $file;
	}

	/**
	 * Checks if this file is located somewhere under .nomedia file and should be therefore ignored.
	 * Or with an .facerecognition.json setting file that disable tha analysis
	 *
	 * @param File $file File to search for
	 * @return bool True if file is located under .nomedia or .facerecognition.json that disabled
	 * analysis, false otherwise
	 */
	public function isUnderNoDetection(Node $node): bool {
		// If we detect .nomedia file anywhere on the path to root folder (id===null), bail out
		$parentNode = $node->getParent();
		while (($parentNode instanceof Folder) && ($parentNode->getId() !== null)) {
			$allowDetection = $this->getDescendantDetection($parentNode);
			if (!$allowDetection)
				return true;

			try {
				$parentNode = $parentNode->getParent();
			} catch (NotFoundException $e) {
				return false;
			}
		}
		return false;
	}

	/**
	 * Checks if this folder has .nomedia file an .facerecognition.json setting file that
	 * disable that analysis.
	 *
	 * @param Folder $folder Folder to search for
	 * @return bool true if folder dont have an .nomedia file or .facerecognition.json that disabled
	 * analysis, false otherwise
	 */
	public function getDescendantDetection(Folder $folder): bool {
		try {
			if ($folder->nodeExists(FileService::NOMEDIA_FILE) ||
			    $folder->nodeExists(FileService::NOIMAGE_FILE)) {
				return false;
			}

			if (!$folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
				return true;
			}

			$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
			if (!($file instanceof File)) // Maybe the node exists but it can be a folder.
				return true;

			$settings = json_decode($file->getContent(), true);
			if ($settings === null || !array_key_exists('detection', $settings)) {
				return true;
			}

			if ($settings['detection'] === 'off') {
				return false;
			}
		} catch (StorageNotAvailableException $e) {
			return false;
		}

		return true;
	}

	/**
	 * Set this folder to enable or disable the analysis using the .facerecognition.json file.
	 *
	 * @param Folder $folder Folder to enable/disable for
	 * @return bool true if the change is done. False if failed.
	 */
	public function setDescendantDetection(Folder $folder, bool $detection): bool {
		if ($folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
			$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
			if (!($file instanceof File)) // Maybe the node exists but it can be a folder.
				return false;

			$settings = json_decode($file->getContent(), true);
			if ($settings === null) // Invalid json
				return false;
		}
		else {
			$file = $folder->newFile(FileService::FACERECOGNITION_SETTINGS_FILE);
			$settings = array();
		}

		$settings['detection'] = $detection ? "on" : "off";
		$file->putContent(json_encode($settings));

		return true;
	}

	/**
	 * Returns if the file is inside a native home storage.
	 */
	public function isUserFile(Node $node): bool {
		return (($node->getMountPoint()->getMountType() === '') &&
		        ($node->getStorage()->instanceOfStorage(IHomeStorage::class)));
	}

	/**
	 * Returns if the file is inside a shared mount storage.
	 */
	public function isSharedFile(Node $node): bool {
		return ($node->getMountPoint()->getMountType() === 'shared');
	}

	/**
	 * Returns if the file is inside a external mount storage.
	 */
	public function isExternalFile(Node $node): bool {
		return ($node->getMountPoint()->getMountType() === 'external');
	}

	/**
	 * Returns if the file is inside a group folder storage.
	 */
	public function isGroupFile(Node $node): bool {
		return ($node->getMountPoint()->getMountType() === 'group');
	}

	/**
	 * Returns if the Node is allowed based on preferences.
	 */
	public function isAllowedNode(Node $node): bool {
		if ($this->isUserFile($node)) {
			return true;
		} else if ($this->isSharedFile($node)) {
			return $this->settingsService->getHandleSharedFiles();
		} else if ($this->isExternalFile($node)) {
			return $this->settingsService->getHandleExternalFiles();
		} else if ($this->isGroupFile($node)) {
			return $this->settingsService->getHandleGroupFiles();
		}
		return false;
	}

	/**
	 * Get a path to either the local file or temporary file
	 *
	 * @param File $file
	 * @param int $maxSize maximum size for temporary files
	 * @return string|null
	 */
	public function getLocalFile(File $file, int $maxSize = null): ?string {
		$useTempFile = $file->isEncrypted() || !$file->getStorage()->isLocal();
		if ($useTempFile) {
			$absPath = $this->tempManager->getTemporaryFile();

			$content = $file->fopen('r');
			if ($maxSize !== null) {
				$content = stream_get_contents($content, $maxSize);
			}
			file_put_contents($absPath, $content);

			return $absPath;
		} else {
			$localPath = $file->getStorage()->getLocalFile($file->getInternalPath());
			return ($localPath !== false) ? $localPath : null;

		}
	}

	/**
	 * Return all images from a given folder.
	 *
	 * TODO: It is inefficient since it copies the array recursively.
	 *
	 * @param Folder $folder Folder to get images from
	 * @return array List of all images and folders to continue recursive crawling
	 */
	public function getPicturesFromFolder(Folder $folder, $results = array()) {
		$nodes = $folder->getDirectoryListing();
		foreach ($nodes as $node) {
			if (!$this->isAllowedNode($node)) {
				continue;
			}
			if ($node instanceof Folder && $this->getDescendantDetection($node)) {
				$results = $this->getPicturesFromFolder($node, $results);
			}
			else if ($node instanceof File) {
				if ($this->settingsService->isAllowedMimetype($node->getMimeType())) {
					$results[] = $node;
				}
			}
		}
		return $results;
	}


	/**
	 * Download a file in a temporary folder
	 *
	 * @param string $fileUrl url to download.
	 * @return string temp file downloaded.
	 *
	 * @throws \Exception
	 */
	public function downloaldFile(string $fileUrl): string {
		$tempFolder = $this->tempManager->getTemporaryFolder('/facerecognition/');
		$tempFile = $tempFolder . basename($fileUrl);

		$fp = fopen($tempFile, 'w+');
		if ($fp === false) {
			throw new \Exception('Could not open the file to write: ' . $tempFile);
		}

		$ch = curl_init($fileUrl);
		if ($ch === false) {
			throw new \Exception('Curl error: unable to initialize curl');
		}

		curl_setopt_array($ch, [
			CURLOPT_FILE => $fp,
			CURLOPT_FOLLOWLOCATION => true,
			CURLOPT_SSL_VERIFYPEER => false,
			CURLOPT_SSL_VERIFYHOST => 0,
			CURLOPT_USERAGENT => 'Nextcloud Facerecognition Service',
		]);

		if (curl_exec($ch) === false) {
			throw new \Exception('Curl error: ' . curl_error($ch));
		}

		$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
		if ($httpCode !== 200) {
			$statusCodes = [
				400 => 'Bad request',
				401 => 'Unauthorized',
				403 => 'Forbidden',
				404 => 'Not Found',
				500 => 'Internal Server Error',
				502 => 'Bad Gateway',
				503 => 'Service Unavailable',
				504 => 'Gateway Timeout',
			];

			$message = 'Download failed';
			if(isset($statusCodes[$httpCode])) {
				$message .= ' - ' . $statusCodes[$httpCode] . ' (HTTP ' . $httpCode . ')';
			} else {
				$message .= ' - HTTP status code: ' . $httpCode;
			}

			$curlErrorMessage = curl_error($ch);
			if(!empty($curlErrorMessage)) {
				$message .= ' - curl error message: ' . $curlErrorMessage;
			}
			$message .= ' - URL: ' . htmlentities($fileUrl);

			throw new \Exception($message);
		}

		curl_close($ch);
		fclose($fp);

		return $tempFile;
	}

	/**
	 * Uncompressing the file with the bzip2-extension
	 *
	 * @param string $in
	 * @param string $out
	 *
	 * @throws \Exception
	 *
	 * @return void
	 */
	public function bunzip2(string $inputFile, string $outputFile): void {
		if (!file_exists ($inputFile) || !is_readable ($inputFile))
			throw new \Exception('The file ' . $inputFile . ' not exists or is not readable');

		if ((!file_exists($outputFile) && !is_writeable(dirname($outputFile))) ||
		    (file_exists($outputFile) && !is_writable($outputFile)))
			throw new \Exception('The file ' . $outputFile . ' exists or is not writable');

		$in_file = bzopen ($inputFile, "r");
		$out_file = fopen ($outputFile, "w");

		if ($out_file === false)
			throw new \Exception('Could not open the file to write: ' . $outputFile);

		while ($buffer = bzread ($in_file, 4096)) {
			if($buffer === false)
				throw new \Exception('Read problem: ' . bzerrstr($in_file));
			if(bzerrno($in_file) !== 0)
				throw new \Exception('Compression problem: '. bzerrstr($in_file));

			fwrite ($out_file, $buffer, 4096);
		}

		bzclose ($in_file);
		fclose ($out_file);
	}

	/**
	 * Create a temporary file and return the path
	 */
	public function getTemporaryFile(string $postFix = ''): string {
		return $this->tempManager->getTemporaryFile($postFix);
	}

	/**
	 * Remove any temporary file from the service.
	 *
	 * @return void
	 */
	public function clean(): void {
		$this->tempManager->clean();
	}

}


1		<?php
2		declare(strict_types=1);
3
4		/**
5		* @copyright Copyright (c) 2019-2020 Matias De lellis <[email protected]>
6		*
7		* @author Matias De lellis <[email protected]>
8		*
9		* @license GNU AGPL version 3 or any later version
10		*
11		* This program is free software: you can redistribute it and/or modify
12		* it under the terms of the GNU Affero General Public License as
13		* published by the Free Software Foundation, either version 3 of the
14		* License, or (at your option) any later version.
15		*
16		* This program is distributed in the hope that it will be useful,
17		* but WITHOUT ANY WARRANTY; without even the implied warranty of
18		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		* GNU Affero General Public License for more details.
20		*
21		* You should have received a copy of the GNU Affero General Public License
22		* along with this program. If not, see <http://www.gnu.org/licenses/>.
23		*
24		*/
25
26		namespace OCA\FaceRecognition\Service;
27
28		use OCP\Files\IRootFolder;
29		use OCP\Files\File;
30		use OCP\Files\Folder;
31		use OCP\Files\Node;
32		use OCP\ITempManager;
33
34		use OCP\Files\IHomeStorage;
35		use OCP\Files\NotFoundException;
36		use OCP\Files\StorageNotAvailableException;
37
38		use OCA\Files_Sharing\External\Storage as SharingExternalStorage;
		0 ignored issues – show Bug introduced 2019-12-08 14:34 UTC by Report Bug Copy Issue Report The type `OCA\Files_Sharing\External\Storage` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
39
40		use OCA\FaceRecognition\Service\SettingsService;
41
42		class FileService {
43
44		const NOMEDIA_FILE = ".nomedia";
45
46		const NOIMAGE_FILE = ".noimage";
47
48		const FACERECOGNITION_SETTINGS_FILE = ".facerecognition.json";
49
50		/** @var string\|null */
51		private $userId;
52
53		/** @var IRootFolder */
54		private $rootFolder;
55
56		/** @var ITempManager */
57		private $tempManager;
58
59		/** @var SettingsService */
60		private $settingsService;
61
62	1	public function __construct($userId,
63		IRootFolder $rootFolder,
64		ITempManager $tempManager,
65		SettingsService $settingsService)
66		{
67	1	$this->userId = $userId;
68	1	$this->rootFolder = $rootFolder;
69	1	$this->tempManager = $tempManager;
70	1	$this->settingsService = $settingsService;
71		}
72
73		/**
74		* TODO: Describe exactly when necessary.
75		*
76		* @return void
77		*/
78	11	public function setupFS(string $userId): void {
79	11	\OC_Util::tearDownFS();
		0 ignored issues – show Bug introduced 2019-12-08 14:34 UTC by Report Bug Copy Issue Report The type `OC_Util` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
80	11	\OC_Util::setupFS($userId);
81
82	11	$this->userId = $userId;
83		}
84
85		/**
86		* Get root user folder
87		* @param string $userId
88		* @return Folder
89		*/
90	10	public function getUserFolder($userId = null): Folder {
91	10	return $this->rootFolder->getUserFolder($this->userId ?? $userId);
92		}
93
94		/**
95		* Get a Node from userFolder
96		* @param int $id the id of the Node
97		* @param string $userId
98		* @return Node \| null
99		*/
100	6	public function getFileById(int $fileId, $userId = null): ?Node {
101	6	$files = $this->rootFolder->getUserFolder($this->userId ?? $userId)->getById($fileId);
102	6	if (count($files) === 0) {
103	1	return null;
104		}
105
106	5	return $files[0];
107		}
108
109		/**
110		* Get a Node from userFolder
111		* @param string $fullpath the fullpath of the Node
112		* @param string $userId
113		* @return Node \| null
114		*/
115		public function getFileByPath($fullpath, $userId = null): ?Node {
116		$file = $this->rootFolder->getUserFolder($this->userId ?? $userId)->get($fullpath);
117		return $file;
118		}
119
120		/**
121		* Checks if this file is located somewhere under .nomedia file and should be therefore ignored.
122		* Or with an .facerecognition.json setting file that disable tha analysis
123		*
124		* @param File $file File to search for
125		* @return bool True if file is located under .nomedia or .facerecognition.json that disabled
126		* analysis, false otherwise
127		*/
128	1	public function isUnderNoDetection(Node $node): bool {
129		// If we detect .nomedia file anywhere on the path to root folder (id===null), bail out
130	1	$parentNode = $node->getParent();
131	1	while (($parentNode instanceof Folder) && ($parentNode->getId() !== null)) {
132	1	$allowDetection = $this->getDescendantDetection($parentNode);
133	1	if (!$allowDetection)
134	1	return true;
135
136		try {
137	1	$parentNode = $parentNode->getParent();
138	1	} catch (NotFoundException $e) {
139	1	return false;
140		}
141		}
142		return false;
143		}
144
145		/**
146		* Checks if this folder has .nomedia file an .facerecognition.json setting file that
147		* disable that analysis.
148		*
149		* @param Folder $folder Folder to search for
150		* @return bool true if folder dont have an .nomedia file or .facerecognition.json that disabled
151		* analysis, false otherwise
152		*/
153	3	public function getDescendantDetection(Folder $folder): bool {
154		try {
155	3	if ($folder->nodeExists(FileService::NOMEDIA_FILE) \|\|
156	3	$folder->nodeExists(FileService::NOIMAGE_FILE)) {
157	2	return false;
158		}
159
160	3	if (!$folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
161	3	return true;
162		}
163
164		$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
165		if (!($file instanceof File)) // Maybe the node exists but it can be a folder.
166		return true;
167
168		$settings = json_decode($file->getContent(), true);
169		if ($settings === null \|\| !array_key_exists('detection', $settings)) {
170		return true;
171		}
172
173		if ($settings['detection'] === 'off') {
174		return false;
175		}
176		} catch (StorageNotAvailableException $e) {
177		return false;
178		}
179
180		return true;
181		}
182
183		/**
184		* Set this folder to enable or disable the analysis using the .facerecognition.json file.
185		*
186		* @param Folder $folder Folder to enable/disable for
187		* @return bool true if the change is done. False if failed.
188		*/
189		public function setDescendantDetection(Folder $folder, bool $detection): bool {
190		if ($folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
191		$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
192		if (!($file instanceof File)) // Maybe the node exists but it can be a folder.
193		return false;
194
195		$settings = json_decode($file->getContent(), true);
196		if ($settings === null) // Invalid json
197		return false;
198		}
199		else {
200		$file = $folder->newFile(FileService::FACERECOGNITION_SETTINGS_FILE);
201		$settings = array();
202		}
203
204		$settings['detection'] = $detection ? "on" : "off";
205		$file->putContent(json_encode($settings));
206
207		return true;
208		}
209
210		/**
211		* Returns if the file is inside a native home storage.
212		*/
213	8	public function isUserFile(Node $node): bool {
214	8	return (($node->getMountPoint()->getMountType() === '') &&
215	8	($node->getStorage()->instanceOfStorage(IHomeStorage::class)));
216		}
217
218		/**
219		* Returns if the file is inside a shared mount storage.
220		*/
221		public function isSharedFile(Node $node): bool {
222		return ($node->getMountPoint()->getMountType() === 'shared');
223		}
224
225		/**
226		* Returns if the file is inside a external mount storage.
227		*/
228		public function isExternalFile(Node $node): bool {
229		return ($node->getMountPoint()->getMountType() === 'external');
230		}
231
232		/**
233		* Returns if the file is inside a group folder storage.
234		*/
235		public function isGroupFile(Node $node): bool {
236		return ($node->getMountPoint()->getMountType() === 'group');
237		}
238
239		/**
240		* Returns if the Node is allowed based on preferences.
241		*/
242	8	public function isAllowedNode(Node $node): bool {
243	8	if ($this->isUserFile($node)) {
244	8	return true;
245		} else if ($this->isSharedFile($node)) {
246		return $this->settingsService->getHandleSharedFiles();
247		} else if ($this->isExternalFile($node)) {
248		return $this->settingsService->getHandleExternalFiles();
249		} else if ($this->isGroupFile($node)) {
250		return $this->settingsService->getHandleGroupFiles();
251		}
252		return false;
253		}
254
255		/**
256		* Get a path to either the local file or temporary file
257		*
258		* @param File $file
259		* @param int $maxSize maximum size for temporary files
260		* @return string\|null
261		*/
262	4	public function getLocalFile(File $file, int $maxSize = null): ?string {
263	4	$useTempFile = $file->isEncrypted() \|\| !$file->getStorage()->isLocal();
264	4	if ($useTempFile) {
265		$absPath = $this->tempManager->getTemporaryFile();
266
267		$content = $file->fopen('r');
268		if ($maxSize !== null) {
269		$content = stream_get_contents($content, $maxSize);
270		}
271		file_put_contents($absPath, $content);
272
273		return $absPath;
274		} else {
275	4	$localPath = $file->getStorage()->getLocalFile($file->getInternalPath());
276	4	return ($localPath !== false) ? $localPath : null;
		0 ignored issues – show Bug Best Practice introduced 2021-03-17 12:57 UTC by Report Bug Copy Issue Report The expression `return $localPath !== false ? $localPath : null` could return the type `true` which is incompatible with the type-hinted return `null\|string`. Consider adding an additional type-check to rule them out. Loading history...
277		}
278		}
279
280		/**
281		* Return all images from a given folder.
282		*
283		* TODO: It is inefficient since it copies the array recursively.
284		*
285		* @param Folder $folder Folder to get images from
286		* @return array List of all images and folders to continue recursive crawling
287		*/
288	10	public function getPicturesFromFolder(Folder $folder, $results = array()) {
289	10	$nodes = $folder->getDirectoryListing();
290	10	foreach ($nodes as $node) {
291	8	if (!$this->isAllowedNode($node)) {
292		continue;
293		}
294	8	if ($node instanceof Folder && $this->getDescendantDetection($node)) {
295	3	$results = $this->getPicturesFromFolder($node, $results);
296		}
297	8	else if ($node instanceof File) {
298	8	if ($this->settingsService->isAllowedMimetype($node->getMimeType())) {
299	7	$results[] = $node;
300		}
301		}
302		}
303	10	return $results;
304		}
305
306
307		/**
308		* Download a file in a temporary folder
309		*
310		* @param string $fileUrl url to download.
311		* @return string temp file downloaded.
312		*
313		* @throws \Exception
314		*/
315	1	public function downloaldFile(string $fileUrl): string {
316	1	$tempFolder = $this->tempManager->getTemporaryFolder('/facerecognition/');
317	1	$tempFile = $tempFolder . basename($fileUrl);
318
319	1	$fp = fopen($tempFile, 'w+');
320	1	if ($fp === false) {
321		throw new \Exception('Could not open the file to write: ' . $tempFile);
322		}
323
324	1	$ch = curl_init($fileUrl);
325	1	if ($ch === false) {
326		throw new \Exception('Curl error: unable to initialize curl');
327		}
328
329	1	curl_setopt_array($ch, [
330	1	CURLOPT_FILE => $fp,
331	1	CURLOPT_FOLLOWLOCATION => true,
332	1	CURLOPT_SSL_VERIFYPEER => false,
333	1	CURLOPT_SSL_VERIFYHOST => 0,
334	1	CURLOPT_USERAGENT => 'Nextcloud Facerecognition Service',
335	1	]);
336
337	1	if (curl_exec($ch) === false) {
338		throw new \Exception('Curl error: ' . curl_error($ch));
339		}
340
341	1	$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
342	1	if ($httpCode !== 200) {
343		$statusCodes = [
344		400 => 'Bad request',
345		401 => 'Unauthorized',
346		403 => 'Forbidden',
347		404 => 'Not Found',
348		500 => 'Internal Server Error',
349		502 => 'Bad Gateway',
350		503 => 'Service Unavailable',
351		504 => 'Gateway Timeout',
352		];
353
354		$message = 'Download failed';
355		if(isset($statusCodes[$httpCode])) {
356		$message .= ' - ' . $statusCodes[$httpCode] . ' (HTTP ' . $httpCode . ')';
357		} else {
358		$message .= ' - HTTP status code: ' . $httpCode;
359		}
360
361		$curlErrorMessage = curl_error($ch);
362		if(!empty($curlErrorMessage)) {
363		$message .= ' - curl error message: ' . $curlErrorMessage;
364		}
365		$message .= ' - URL: ' . htmlentities($fileUrl);
366
367		throw new \Exception($message);
368		}
369
370	1	curl_close($ch);
371	1	fclose($fp);
372
373	1	return $tempFile;
374		}
375
376		/**
377		* Uncompressing the file with the bzip2-extension
378		*
379		* @param string $in
380		* @param string $out
381		*
382		* @throws \Exception
383		*
384		* @return void
385		*/
386	1	public function bunzip2(string $inputFile, string $outputFile): void {
387	1	if (!file_exists ($inputFile) \|\| !is_readable ($inputFile))
388		throw new \Exception('The file ' . $inputFile . ' not exists or is not readable');
389
390	1	if ((!file_exists($outputFile) && !is_writeable(dirname($outputFile))) \|\|
391	1	(file_exists($outputFile) && !is_writable($outputFile)))
392		throw new \Exception('The file ' . $outputFile . ' exists or is not writable');
393
394	1	$in_file = bzopen ($inputFile, "r");
395	1	$out_file = fopen ($outputFile, "w");
396
397	1	if ($out_file === false)
398		throw new \Exception('Could not open the file to write: ' . $outputFile);
399
400	1	while ($buffer = bzread ($in_file, 4096)) {
401	1	if($buffer === false)
402		throw new \Exception('Read problem: ' . bzerrstr($in_file));
403	1	if(bzerrno($in_file) !== 0)
404		throw new \Exception('Compression problem: '. bzerrstr($in_file));
405
406	1	fwrite ($out_file, $buffer, 4096);
407		}
408
409	1	bzclose ($in_file);
410	1	fclose ($out_file);
411		}
412
413		/**
414		* Create a temporary file and return the path
415		*/
416		public function getTemporaryFile(string $postFix = ''): string {
417		return $this->tempManager->getTemporaryFile($postFix);
418		}
419
420		/**
421		* Remove any temporary file from the service.
422		*
423		* @return void
424		*/
425	4	public function clean(): void {
426	4	$this->tempManager->clean();
427		}
428
429		}
430

matiasdelellis / facerecognition

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FileService::downloaldFile() B

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