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<?php |
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/** |
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* @author Thomas Müller <[email protected]> |
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* |
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* @copyright Copyright (c) 2018, ownCloud GmbH |
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* @license AGPL-3.0 |
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* |
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* This code 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, version 3, |
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* as published by the Free Software Foundation. |
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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, version 3, |
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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\DAV\Files; |
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use OCA\DAV\Connector\Sabre\Node; |
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use OCP\Files\Storage\IPersistentLockingStorage; |
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use OCP\Lock\Persistent\ILock; |
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use Sabre\DAV\Exception\NotFound; |
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use Sabre\DAV\Locks; |
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use Sabre\DAV\Locks\Backend\BackendInterface; |
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use Sabre\DAV\Tree; |
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class FileLocksBackend implements BackendInterface { |
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/** @var Tree */ |
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private $tree; |
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/** @var bool */ |
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private $useV1; |
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public function __construct($tree, $useV1) { |
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$this->tree = $tree; |
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$this->useV1 = $useV1; |
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} |
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/** |
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* Returns a list of Sabre\DAV\Locks\LockInfo objects |
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* |
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* This method should return all the locks for a particular uri, including |
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* locks that might be set on a parent uri. |
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* |
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* If returnChildLocks is set to true, this method should also look for |
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* any locks in the subtree of the uri for locks. |
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* |
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* @param string $uri |
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* @param bool $returnChildLocks |
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* @return array |
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*/ |
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public function getLocks($uri, $returnChildLocks) { |
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try { |
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$node = $this->tree->getNodeForPath($uri); |
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} catch (NotFound $e) { |
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return []; |
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} |
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if (!$node instanceof Node) { |
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return []; |
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} |
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$storage = $node->getFileInfo()->getStorage(); |
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if (!$storage->instanceOfStorage(IPersistentLockingStorage::class)) { |
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return []; |
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} |
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/** @var IPersistentLockingStorage $storage */ |
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$locks = $storage->getLocks($node->getFileInfo()->getInternalPath(), $returnChildLocks); |
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$davLocks = []; |
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foreach ($locks as $lock) { |
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$lockInfo = new Locks\LockInfo(); |
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$fileName = $lock->getAbsoluteDavPath(); |
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if ($this->useV1) { |
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$lockInfo->uri = $fileName; |
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} else { |
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$uid = $lock->getDavUserId(); |
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$lockInfo->uri = "files/$uid/$fileName"; |
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} |
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$lockInfo->token = $lock->getToken(); |
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$lockInfo->created = $lock->getCreatedAt(); |
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$lockInfo->depth = $lock->getDepth(); |
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$lockInfo->owner = $lock->getOwner(); |
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if ($lock->getScope() === ILock::LOCK_SCOPE_EXCLUSIVE) { |
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$lockInfo->scope = Locks\LockInfo::EXCLUSIVE; |
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} else { |
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$lockInfo->scope = Locks\LockInfo::SHARED; |
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} |
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$lockInfo->timeout = $lock->getTimeout(); |
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$davLocks[] = $lockInfo; |
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} |
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return $davLocks; |
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} |
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/** |
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* Locks a uri |
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* |
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* @param string $uri |
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* @param Locks\LockInfo $lockInfo |
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* @return bool |
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*/ |
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public function lock($uri, Locks\LockInfo $lockInfo) { |
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try { |
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$node = $this->tree->getNodeForPath($uri); |
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} catch (NotFound $e) { |
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return false; |
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} |
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if (!$node instanceof Node) { |
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return false; |
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} |
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$storage = $node->getFileInfo()->getStorage(); |
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if (!$storage->instanceOfStorage(IPersistentLockingStorage::class)) { |
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return false; |
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} |
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/** @var IPersistentLockingStorage $storage */ |
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return $storage->lockNodePersistent($node->getFileInfo()->getInternalPath(), [ |
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'token' => $lockInfo->token, |
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'scope' => $lockInfo->scope === Locks\LockInfo::EXCLUSIVE ? ILock::LOCK_SCOPE_EXCLUSIVE : ILock::LOCK_SCOPE_SHARED, |
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'depth' => $lockInfo->depth, |
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'owner' => $lockInfo->owner |
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]); |
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} |
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/** |
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* Removes a lock from a uri |
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* |
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* @param string $uri |
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* @param Locks\LockInfo $lockInfo |
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* @return bool |
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*/ |
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public function unlock($uri, Locks\LockInfo $lockInfo) { |
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try { |
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$node = $this->tree->getNodeForPath($uri); |
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} catch (NotFound $e) { |
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return false; |
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} |
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if (!$node instanceof Node) { |
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return false; |
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} |
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$storage = $node->getFileInfo()->getStorage(); |
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if (!$storage->instanceOfStorage(IPersistentLockingStorage::class)) { |
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return false; |
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} |
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/** @var IPersistentLockingStorage $storage */ |
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return $storage->unlockNodePersistent($node->getFileInfo()->getInternalPath(), [ |
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'token' => $lockInfo->token |
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]); |
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} |
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} |
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owncloud /
core
