Encryption::getId() - Code Metrics - Inspection of "Merge pull request #23301 from owncloud/fix-video-..." - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — stable8.1 ( 1d6099...c6eee6 )

by Morris

created 2016-03-16 14:32 UTC

Encryption::getId() A

↳ Parent: Encryption

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Metric	Value
dl	0
loc	3
ccs	0
cts	2
cp	0
rs	10
cc	1
eloc	2
nc	1
nop	0
crap	2

<?php
/**
 * @author Björn Schießle <[email protected]>
 * @author Clark Tomlinson <[email protected]>
 * @author Jan-Christoph Borchardt <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Lukas Reschke <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Thomas Müller <[email protected]>
 *
 * @copyright Copyright (c) 2015, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\Encryption\Crypto;


use OC\Encryption\Exceptions\DecryptionFailedException;
use OCA\Encryption\Exceptions\PublicKeyMissingException;
use OCA\Encryption\Util;
use OCP\Encryption\IEncryptionModule;
use OCA\Encryption\KeyManager;
use OCP\IL10N;
use OCP\ILogger;

class Encryption implements IEncryptionModule {

	const ID = 'OC_DEFAULT_MODULE';
	const DISPLAY_NAME = 'Default encryption module';

	/**
	 * @var Crypt
	 */
	private $crypt;

	/** @var string */
	private $cipher;

	/** @var string */
	private $path;

	/** @var string */
	private $user;

	/** @var string */
	private $fileKey;

	/** @var string */
	private $writeCache;

	/** @var KeyManager */
	private $keyManager;

	/** @var array */
	private $accessList;

	/** @var boolean */
	private $isWriteOperation;

	/** @var Util */
	private $util;

	/** @var  ILogger */
	private $logger;

	/** @var IL10N */
	private $l;

	/**
	 *
	 * @param Crypt $crypt
	 * @param KeyManager $keyManager
	 * @param Util $util
	 * @param ILogger $logger
	 * @param IL10N $il10n
	 */
	public function __construct(Crypt $crypt,
								KeyManager $keyManager,
								Util $util,
								ILogger $logger,
								IL10N $il10n) {
		$this->crypt = $crypt;
		$this->keyManager = $keyManager;
		$this->util = $util;
		$this->logger = $logger;
		$this->l = $il10n;
	}

	/**
	 * @return string defining the technical unique id
	 */
	public function getId() {
		return self::ID;
	}

	/**
	 * In comparison to getKey() this function returns a human readable (maybe translated) name
	 *
	 * @return string
	 */
	public function getDisplayName() {
		return self::DISPLAY_NAME;
	}

	/**
	 * start receiving chunks from a file. This is the place where you can
	 * perform some initial step before starting encrypting/decrypting the
	 * chunks
	 *
	 * @param string $path to the file
	 * @param string $user who read/write the file
	 * @param string $mode php stream open mode
	 * @param array $header contains the header data read from the file
	 * @param array $accessList who has access to the file contains the key 'users' and 'public'
	 *
	 * @return array $header contain data as key-value pairs which should be
	 *                       written to the header, in case of a write operation
	 *                       or if no additional data is needed return a empty array
	 */
	public function begin($path, $user, $mode, array $header, array $accessList) {

		$this->path = $this->getPathToRealFile($path);
		$this->accessList = $accessList;
		$this->user = $user;
		$this->isWriteOperation = false;
		$this->writeCache = '';

		$this->fileKey = $this->keyManager->getFileKey($this->path, $this->user);

		if (
			$mode === 'w'
			|| $mode === 'w+'
			|| $mode === 'wb'
			|| $mode === 'wb+'
		) {
			$this->isWriteOperation = true;
			if (empty($this->fileKey)) {
				$this->fileKey = $this->crypt->generateFileKey();
			}
		}

		if (isset($header['cipher'])) {
			$this->cipher = $header['cipher'];
		} elseif ($this->isWriteOperation) {
			$this->cipher = $this->crypt->getCipher();
		} else {
			// if we read a file without a header we fall-back to the legacy cipher
			// which was used in <=oC6
			$this->cipher = $this->crypt->getLegacyCipher();
		}

		return array('cipher' => $this->cipher);
	}

	/**
	 * last chunk received. This is the place where you can perform some final
	 * operation and return some remaining data if something is left in your
	 * buffer.
	 *
	 * @param string $path to the file
	 * @return string remained data which should be written to the file in case
	 *                of a write operation
	 * @throws PublicKeyMissingException
	 * @throws \Exception
	 * @throws \OCA\Encryption\Exceptions\MultiKeyEncryptException
	 */
	public function end($path) {
		$result = '';
		if ($this->isWriteOperation) {
			if (!empty($this->writeCache)) {
				$result = $this->crypt->symmetricEncryptFileContent($this->writeCache, $this->fileKey);

				$this->writeCache = '';
			}
			$publicKeys = array();
			foreach ($this->accessList['users'] as $uid) {
				try {
					$publicKeys[$uid] = $this->keyManager->getPublicKey($uid);
				} catch (PublicKeyMissingException $e) {
					$this->logger->warning(
						'no public key found for user "{uid}", user will not be able to read the file',
						['app' => 'encryption', 'uid' => $uid]
					);
					// if the public key of the owner is missing we should fail
					if ($uid === $this->user) {
						throw $e;
					}
				}
			}

			$publicKeys = $this->keyManager->addSystemKeys($this->accessList, $publicKeys, $this->user);

			$encryptedKeyfiles = $this->crypt->multiKeyEncrypt($this->fileKey, $publicKeys);
			$this->keyManager->setAllFileKeys($this->path, $encryptedKeyfiles);
		}
		return $result;
	}

	/**
	 * encrypt data
	 *
	 * @param string $data you want to encrypt
	 * @return mixed encrypted data
	 */
	public function encrypt($data) {

		// If extra data is left over from the last round, make sure it
		// is integrated into the next 6126 / 8192 block
		if ($this->writeCache) {

			// Concat writeCache to start of $data
			$data = $this->writeCache . $data;

			// Clear the write cache, ready for reuse - it has been
			// flushed and its old contents processed
			$this->writeCache = '';

		}

		$encrypted = '';
		// While there still remains some data to be processed & written
		while (strlen($data) > 0) {

			// Remaining length for this iteration, not of the
			// entire file (may be greater than 8192 bytes)
			$remainingLength = strlen($data);

			// If data remaining to be written is less than the
			// size of 1 6126 byte block
			if ($remainingLength < 6126) {

				// Set writeCache to contents of $data
				// The writeCache will be carried over to the
				// next write round, and added to the start of
				// $data to ensure that written blocks are
				// always the correct length. If there is still
				// data in writeCache after the writing round
				// has finished, then the data will be written
				// to disk by $this->flush().
				$this->writeCache = $data;

				// Clear $data ready for next round
				$data = '';

			} else {

				// Read the chunk from the start of $data
				$chunk = substr($data, 0, 6126);

				$encrypted .= $this->crypt->symmetricEncryptFileContent($chunk, $this->fileKey);

				// Remove the chunk we just processed from
				// $data, leaving only unprocessed data in $data
				// var, for handling on the next round
				$data = substr($data, 6126);

			}

		}

		return $encrypted;
	}

	/**
	 * decrypt data
	 *
	 * @param string $data you want to decrypt
	 * @return mixed decrypted data
	 * @throws DecryptionFailedException
	 */
	public function decrypt($data) {
		if (empty($this->fileKey)) {
			$msg = 'Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.';
			$hint = $this->l->t('Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.');
			$this->logger->error($msg);

			throw new DecryptionFailedException($msg, $hint);
		}

		$result = '';
		if (!empty($data)) {
			$result = $this->crypt->symmetricDecryptFileContent($data, $this->fileKey, $this->cipher);
		}
		return $result;
	}

	/**
	 * update encrypted file, e.g. give additional users access to the file
	 *
	 * @param string $path path to the file which should be updated
	 * @param string $uid of the user who performs the operation
	 * @param array $accessList who has access to the file contains the key 'users' and 'public'
	 * @return boolean
	 */
	public function update($path, $uid, array $accessList) {
		$fileKey = $this->keyManager->getFileKey($path, $uid);

		if (!empty($fileKey)) {

			$publicKeys = array();
			foreach ($accessList['users'] as $user) {
				try {
					$publicKeys[$user] = $this->keyManager->getPublicKey($user);
				} catch (PublicKeyMissingException $e) {
					$this->logger->warning('Could not encrypt file for ' . $user . ': ' . $e->getMessage());
				}
			}

			$publicKeys = $this->keyManager->addSystemKeys($accessList, $publicKeys, $uid);

			$encryptedFileKey = $this->crypt->multiKeyEncrypt($fileKey, $publicKeys);

			$this->keyManager->deleteAllFileKeys($path);

			$this->keyManager->setAllFileKeys($path, $encryptedFileKey);

		} else {
			$this->logger->debug('no file key found, we assume that the file "{file}" is not encrypted',
				array('file' => $path, 'app' => 'encryption'));

			return false;
		}

		return true;
	}

	/**
	 * should the file be encrypted or not
	 *
	 * @param string $path
	 * @return boolean
	 */
	public function shouldEncrypt($path) {
		$parts = explode('/', $path);
		if (count($parts) < 4) {
			return false;
		}

		if ($parts[2] == 'files') {
			return true;
		}
		if ($parts[2] == 'files_versions') {
			return true;
		}
		if ($parts[2] == 'files_trashbin') {
			return true;
		}

		return false;
	}

	/**
	 * get size of the unencrypted payload per block.
	 * ownCloud read/write files with a block size of 8192 byte
	 *
	 * @return integer
	 */
	public function getUnencryptedBlockSize() {
		return 6126;
	}

	/**
	 * check if the encryption module is able to read the file,
	 * e.g. if all encryption keys exists
	 *
	 * @param string $path
	 * @param string $uid user for whom we want to check if he can read the file
	 * @return bool
	 * @throws DecryptionFailedException
	 */
	public function isReadable($path, $uid) {
		$fileKey = $this->keyManager->getFileKey($path, $uid);
		if (empty($fileKey)) {
			$owner = $this->util->getOwner($path);
			if ($owner !== $uid) {
				// if it is a shared file we throw a exception with a useful
				// error message because in this case it means that the file was
				// shared with the user at a point where the user didn't had a
				// valid private/public key
				$msg = 'Encryption module "' . $this->getDisplayName() .
					'" is not able to read ' . $path;
				$hint = $this->l->t('Can not read this file, probably this is a shared file. Please ask the file owner to reshare the file with you.');
				$this->logger->warning($msg);
				throw new DecryptionFailedException($msg, $hint);
			}
			return false;
		}

		return true;
	}

	/**
	 * @param string $path
	 * @return string
	 */
	protected function getPathToRealFile($path) {
		$realPath = $path;
		$parts = explode('/', $path);
		if ($parts[2] === 'files_versions') {
			$realPath = '/' . $parts[1] . '/files/' . implode('/', array_slice($parts, 3));
			$length = strrpos($realPath, '.');
			$realPath = substr($realPath, 0, $length);
		}

		return $realPath;
	}

}


1		<?php
2		/**
3		* @author Björn Schießle <[email protected]>
4		* @author Clark Tomlinson <[email protected]>
5		* @author Jan-Christoph Borchardt <[email protected]>
6		* @author Joas Schilling <[email protected]>
7		* @author Lukas Reschke <[email protected]>
8		* @author Morris Jobke <[email protected]>
9		* @author Thomas Müller <[email protected]>
10		*
11		* @copyright Copyright (c) 2015, ownCloud, Inc.
12		* @license AGPL-3.0
13		*
14		* This code is free software: you can redistribute it and/or modify
15		* it under the terms of the GNU Affero General Public License, version 3,
16		* as published by the Free Software Foundation.
17		*
18		* This program is distributed in the hope that it will be useful,
19		* but WITHOUT ANY WARRANTY; without even the implied warranty of
20		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21		* GNU Affero General Public License for more details.
22		*
23		* You should have received a copy of the GNU Affero General Public License, version 3,
24		* along with this program. If not, see <http://www.gnu.org/licenses/>
25		*
26		*/
27
28		namespace OCA\Encryption\Crypto;
29
30
31		use OC\Encryption\Exceptions\DecryptionFailedException;
32		use OCA\Encryption\Exceptions\PublicKeyMissingException;
33		use OCA\Encryption\Util;
34		use OCP\Encryption\IEncryptionModule;
35		use OCA\Encryption\KeyManager;
36		use OCP\IL10N;
37		use OCP\ILogger;
38
39		class Encryption implements IEncryptionModule {
40
41		const ID = 'OC_DEFAULT_MODULE';
42		const DISPLAY_NAME = 'Default encryption module';
43
44		/**
45		* @var Crypt
46		*/
47		private $crypt;
48
49		/** @var string */
50		private $cipher;
51
52		/** @var string */
53		private $path;
54
55		/** @var string */
56		private $user;
57
58		/** @var string */
59		private $fileKey;
60
61		/** @var string */
62		private $writeCache;
63
64		/** @var KeyManager */
65		private $keyManager;
66
67		/** @var array */
68		private $accessList;
69
70		/** @var boolean */
71		private $isWriteOperation;
72
73		/** @var Util */
74		private $util;
75
76		/** @var ILogger */
77		private $logger;
78
79		/** @var IL10N */
80		private $l;
81
82		/**
83		*
84		* @param Crypt $crypt
85		* @param KeyManager $keyManager
86		* @param Util $util
87		* @param ILogger $logger
88		* @param IL10N $il10n
89		*/
90	22	public function __construct(Crypt $crypt,
91		KeyManager $keyManager,
92		Util $util,
93		ILogger $logger,
94		IL10N $il10n) {
95	22	$this->crypt = $crypt;
96	22	$this->keyManager = $keyManager;
97	22	$this->util = $util;
98	22	$this->logger = $logger;
99	22	$this->l = $il10n;
100	22	}
101
102		/**
103		* @return string defining the technical unique id
104		*/
105		public function getId() {
106		return self::ID;
107		}
108
109		/**
110		* In comparison to getKey() this function returns a human readable (maybe translated) name
111		*
112		* @return string
113		*/
114		public function getDisplayName() {
115		return self::DISPLAY_NAME;
116		}
117
118		/**
119		* start receiving chunks from a file. This is the place where you can
120		* perform some initial step before starting encrypting/decrypting the
121		* chunks
122		*
123		* @param string $path to the file
124		* @param string $user who read/write the file
125		* @param string $mode php stream open mode
126		* @param array $header contains the header data read from the file
127		* @param array $accessList who has access to the file contains the key 'users' and 'public'
128		*
129		* @return array $header contain data as key-value pairs which should be
130		* written to the header, in case of a write operation
131		* or if no additional data is needed return a empty array
132		*/
133	6	public function begin($path, $user, $mode, array $header, array $accessList) {
134
135	6	$this->path = $this->getPathToRealFile($path);
136	6	$this->accessList = $accessList;
137	6	$this->user = $user;
138	6	$this->isWriteOperation = false;
139	6	$this->writeCache = '';
140
141	6	$this->fileKey = $this->keyManager->getFileKey($this->path, $this->user);
142
143		if (
144		$mode === 'w'
145	6	\|\| $mode === 'w+'
146	4	\|\| $mode === 'wb'
147	4	\|\| $mode === 'wb+'
148	6	) {
149	2	$this->isWriteOperation = true;
150	2	if (empty($this->fileKey)) {
151	1	$this->fileKey = $this->crypt->generateFileKey();
152	1	}
153	2	}
154
155	6	if (isset($header['cipher'])) {
156	2	$this->cipher = $header['cipher'];
157	6	} elseif ($this->isWriteOperation) {
158	1	$this->cipher = $this->crypt->getCipher();
159	1	} else {
160		// if we read a file without a header we fall-back to the legacy cipher
161		// which was used in <=oC6
162	3	$this->cipher = $this->crypt->getLegacyCipher();
163		}
164
165	6	return array('cipher' => $this->cipher);
166		}
167
168		/**
169		* last chunk received. This is the place where you can perform some final
170		* operation and return some remaining data if something is left in your
171		* buffer.
172		*
173		* @param string $path to the file
174		* @return string remained data which should be written to the file in case
175		* of a write operation
176		* @throws PublicKeyMissingException
177		* @throws \Exception
178		* @throws \OCA\Encryption\Exceptions\MultiKeyEncryptException
179		*/
180	2	public function end($path) {
181	2	$result = '';
182	2	if ($this->isWriteOperation) {
183	2	if (!empty($this->writeCache)) {
184		$result = $this->crypt->symmetricEncryptFileContent($this->writeCache, $this->fileKey);
		0 ignored issues – show Comprehensibility Best Practice introduced 2016-02-05 08:40 UTC by Report Bug Copy Issue Report The expression `$this->crypt->symmetricE...Cache, $this->fileKey);` of type `false\|string` adds `false` to the return on line 208 which is incompatible with the return type declared by the interface `OCP\Encryption\IEncryptionModule::end` of type `string`. It seems like you forgot to handle an error condition. Loading history...
185		$this->writeCache = '';
186		}
187	2	$publicKeys = array();
188	2	foreach ($this->accessList['users'] as $uid) {
189		try {
190	2	$publicKeys[$uid] = $this->keyManager->getPublicKey($uid);
191	2	} catch (PublicKeyMissingException $e) {
192	2	$this->logger->warning(
193	2	'no public key found for user "{uid}", user will not be able to read the file',
194	2	['app' => 'encryption', 'uid' => $uid]
195	2	);
196		// if the public key of the owner is missing we should fail
197	2	if ($uid === $this->user) {
198	1	throw $e;
199		}
200		}
201	2	}
202
203	1	$publicKeys = $this->keyManager->addSystemKeys($this->accessList, $publicKeys, $this->user);
204
205	1	$encryptedKeyfiles = $this->crypt->multiKeyEncrypt($this->fileKey, $publicKeys);
206	1	$this->keyManager->setAllFileKeys($this->path, $encryptedKeyfiles);
207	1	}
208	1	return $result;
209		}
210
211		/**
212		* encrypt data
213		*
214		* @param string $data you want to encrypt
215		* @return mixed encrypted data
216		*/
217		public function encrypt($data) {
218
219		// If extra data is left over from the last round, make sure it
220		// is integrated into the next 6126 / 8192 block
221		if ($this->writeCache) {
222
223		// Concat writeCache to start of $data
224		$data = $this->writeCache . $data;
225
226		// Clear the write cache, ready for reuse - it has been
227		// flushed and its old contents processed
228		$this->writeCache = '';
229
230		}
231
232		$encrypted = '';
233		// While there still remains some data to be processed & written
234		while (strlen($data) > 0) {
235
236		// Remaining length for this iteration, not of the
237		// entire file (may be greater than 8192 bytes)
238		$remainingLength = strlen($data);
239
240		// If data remaining to be written is less than the
241		// size of 1 6126 byte block
242		if ($remainingLength < 6126) {
243
244		// Set writeCache to contents of $data
245		// The writeCache will be carried over to the
246		// next write round, and added to the start of
247		// $data to ensure that written blocks are
248		// always the correct length. If there is still
249		// data in writeCache after the writing round
250		// has finished, then the data will be written
251		// to disk by $this->flush().
252		$this->writeCache = $data;
253
254		// Clear $data ready for next round
255		$data = '';
256
257		} else {
258
259		// Read the chunk from the start of $data
260		$chunk = substr($data, 0, 6126);
261
262		$encrypted .= $this->crypt->symmetricEncryptFileContent($chunk, $this->fileKey);
263
264		// Remove the chunk we just processed from
265		// $data, leaving only unprocessed data in $data
266		// var, for handling on the next round
267		$data = substr($data, 6126);
268
269		}
270
271		}
272
273		return $encrypted;
274		}
275
276		/**
277		* decrypt data
278		*
279		* @param string $data you want to decrypt
280		* @return mixed decrypted data
281		* @throws DecryptionFailedException
282		*/
283	1	public function decrypt($data) {
284	1	if (empty($this->fileKey)) {
285	1	$msg = 'Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.';
286	1	$hint = $this->l->t('Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.');
287	1	$this->logger->error($msg);
288
289	1	throw new DecryptionFailedException($msg, $hint);
290		}
291
292		$result = '';
293		if (!empty($data)) {
294		$result = $this->crypt->symmetricDecryptFileContent($data, $this->fileKey, $this->cipher);
295		}
296		return $result;
297		}
298
299		/**
300		* update encrypted file, e.g. give additional users access to the file
301		*
302		* @param string $path path to the file which should be updated
303		* @param string $uid of the user who performs the operation
304		* @param array $accessList who has access to the file contains the key 'users' and 'public'
305		* @return boolean
306		*/
307	3	public function update($path, $uid, array $accessList) {
308	3	$fileKey = $this->keyManager->getFileKey($path, $uid);
309
310	3	if (!empty($fileKey)) {
311
312	2	$publicKeys = array();
313	2	foreach ($accessList['users'] as $user) {
314		try {
315	2	$publicKeys[$user] = $this->keyManager->getPublicKey($user);
316	2	} catch (PublicKeyMissingException $e) {
317	1	$this->logger->warning('Could not encrypt file for ' . $user . ': ' . $e->getMessage());
318		}
319	2	}
320
321	2	$publicKeys = $this->keyManager->addSystemKeys($accessList, $publicKeys, $uid);
322
323	2	$encryptedFileKey = $this->crypt->multiKeyEncrypt($fileKey, $publicKeys);
324
325	2	$this->keyManager->deleteAllFileKeys($path);
326
327	2	$this->keyManager->setAllFileKeys($path, $encryptedFileKey);
328
329	2	} else {
330	1	$this->logger->debug('no file key found, we assume that the file "{file}" is not encrypted',
331	1	array('file' => $path, 'app' => 'encryption'));
332
333	1	return false;
334		}
335
336	2	return true;
337		}
338
339		/**
340		* should the file be encrypted or not
341		*
342		* @param string $path
343		* @return boolean
344		*/
345	8	public function shouldEncrypt($path) {
346	8	$parts = explode('/', $path);
347	8	if (count($parts) < 4) {
348	4	return false;
349		}
350
351	4	if ($parts[2] == 'files') {
352	1	return true;
353		}
354	3	if ($parts[2] == 'files_versions') {
355	1	return true;
356		}
357	2	if ($parts[2] == 'files_trashbin') {
358	1	return true;
359		}
360
361	1	return false;
362		}
363
364		/**
365		* get size of the unencrypted payload per block.
366		* ownCloud read/write files with a block size of 8192 byte
367		*
368		* @return integer
369		*/
370		public function getUnencryptedBlockSize() {
371		return 6126;
372		}
373
374		/**
375		* check if the encryption module is able to read the file,
376		* e.g. if all encryption keys exists
377		*
378		* @param string $path
379		* @param string $uid user for whom we want to check if he can read the file
380		* @return bool
381		* @throws DecryptionFailedException
382		*/
383		public function isReadable($path, $uid) {
384		$fileKey = $this->keyManager->getFileKey($path, $uid);
385		if (empty($fileKey)) {
386		$owner = $this->util->getOwner($path);
387		if ($owner !== $uid) {
388		// if it is a shared file we throw a exception with a useful
389		// error message because in this case it means that the file was
390		// shared with the user at a point where the user didn't had a
391		// valid private/public key
392		$msg = 'Encryption module "' . $this->getDisplayName() .
393		'" is not able to read ' . $path;
394		$hint = $this->l->t('Can not read this file, probably this is a shared file. Please ask the file owner to reshare the file with you.');
395		$this->logger->warning($msg);
396		throw new DecryptionFailedException($msg, $hint);
397		}
398		return false;
399		}
400
401		return true;
402		}
403
404		/**
405		* @param string $path
406		* @return string
407		*/
408	10	protected function getPathToRealFile($path) {
409	10	$realPath = $path;
410	10	$parts = explode('/', $path);
411	10	if ($parts[2] === 'files_versions') {
412	2	$realPath = '/' . $parts[1] . '/files/' . implode('/', array_slice($parts, 3));
413	2	$length = strrpos($realPath, '.');
414	2	$realPath = substr($realPath, 0, $length);
415	2	}
416
417	10	return $realPath;
418		}
419
420		}
421

owncloud / core

Push — stable8.1 ( 1d6099...c6eee6 )

Encryption::getId() A

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