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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Stefan Weil <sw@weilnetz.de>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @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 OC\Files\Node;
use OC\Cache\CappedMemoryCache;
use OC\Files\Mount\Manager;
use OC\Files\Mount\MountPoint;
use OCP\Files\Config\IUserMountCache;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OC\Hooks\PublicEmitter;
use OCP\Files\IRootFolder;
use OCP\ILogger;
use OCP\IUserManager;
/**
* Class Root
*
* Hooks available in scope \OC\Files
* - preWrite(\OCP\Files\Node $node)
* - postWrite(\OCP\Files\Node $node)
* - preCreate(\OCP\Files\Node $node)
* - postCreate(\OCP\Files\Node $node)
* - preDelete(\OCP\Files\Node $node)
* - postDelete(\OCP\Files\Node $node)
* - preTouch(\OC\FilesP\Node $node, int $mtime)
* - postTouch(\OCP\Files\Node $node)
* - preCopy(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - postCopy(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - preRename(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - postRename(\OCP\Files\Node $source, \OCP\Files\Node $target)
*
* @package OC\Files\Node
*/
class Root extends Folder implements IRootFolder {
/** @var Manager */
private $mountManager;
/** @var PublicEmitter */
private $emitter;
/** @var null|\OC\User\User */
private $user;
/** @var CappedMemoryCache */
private $userFolderCache;
/** @var IUserMountCache */
private $userMountCache;
/** @var ILogger */
private $logger;
/** @var IUserManager */
private $userManager;
/**
* @param \OC\Files\Mount\Manager $manager
* @param \OC\Files\View $view
* @param \OC\User\User|null $user
* @param IUserMountCache $userMountCache
* @param ILogger $logger
* @param IUserManager $userManager
*/
public function __construct($manager,
$view,
$user,
IUserMountCache $userMountCache,
ILogger $logger,
IUserManager $userManager) {
parent::__construct($this, $view, '');
$this->mountManager = $manager;
$this->user = $user;
$this->emitter = new PublicEmitter();
$this->userFolderCache = new CappedMemoryCache();
$this->userMountCache = $userMountCache;
$this->logger = $logger;
$this->userManager = $userManager;
}
/**
* Get the user for which the filesystem is setup
*
* @return \OC\User\User
*/
public function getUser() {
return $this->user;
}
/**
* @param string $scope
* @param string $method
* @param callable $callback
*/
public function listen($scope, $method, callable $callback) {
$this->emitter->listen($scope, $method, $callback);
}
/**
* @param string $scope optional
* @param string $method optional
* @param callable $callback optional
*/
public function removeListener($scope = null, $method = null, callable $callback = null) {
$this->emitter->removeListener($scope, $method, $callback);
}
/**
* @param string $scope
* @param string $method
* @param Node[] $arguments
*/
public function emit($scope, $method, $arguments = array()) {
$this->emitter->emit($scope, $method, $arguments);
}
/**
* @param \OC\Files\Storage\Storage $storage
* @param string $mountPoint
* @param array $arguments
*/
public function mount($storage, $mountPoint, $arguments = array()) {
$mount = new MountPoint($storage, $mountPoint, $arguments);
$this->mountManager->addMount($mount);
}
/**
* @param string $mountPoint
* @return \OC\Files\Mount\MountPoint
*/
public function getMount($mountPoint) {
return $this->mountManager->find($mountPoint);
}
/**
* @param string $mountPoint
* @return \OC\Files\Mount\MountPoint[]
*/
public function getMountsIn($mountPoint) {
return $this->mountManager->findIn($mountPoint);
}
/**
* @param string $storageId
* @return \OC\Files\Mount\MountPoint[]
*/
public function getMountByStorageId($storageId) {
return $this->mountManager->findByStorageId($storageId);
}
/**
* @param int $numericId
* @return MountPoint[]
*/
public function getMountByNumericStorageId($numericId) {
return $this->mountManager->findByNumericId($numericId);
}
/**
* @param \OC\Files\Mount\MountPoint $mount
*/
public function unMount($mount) {
$this->mountManager->remove($mount);
}
/**
* @param string $path
* @throws \OCP\Files\NotFoundException
* @throws \OCP\Files\NotPermittedException
* @return string
*/
public function get($path) {
$path = $this->normalizePath($path);
if ($this->isValidPath($path)) {
$fullPath = $this->getFullPath($path);
$fileInfo = $this->view->getFileInfo($fullPath);
if ($fileInfo) {
return $this->createNode($fullPath, $fileInfo);
} else {
throw new NotFoundException($path);
}
} else {
throw new NotPermittedException();
}
}
//most operations can't be done on the root
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function rename($targetPath) {
throw new NotPermittedException();
}
public function delete() {
throw new NotPermittedException();
}
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function copy($targetPath) {
throw new NotPermittedException();
}
/**
* @param int $mtime
* @throws \OCP\Files\NotPermittedException
*/
public function touch($mtime = null) {
throw new NotPermittedException();
}
/**
* @return \OC\Files\Storage\Storage
* @throws \OCP\Files\NotFoundException
*/
public function getStorage() {
throw new NotFoundException();
}
/**
* @return string
*/
public function getPath() {
return '/';
}
/**
* @return string
*/
public function getInternalPath() {
return '';
}
/**
* @return int
*/
public function getId() {
return null;
}
/**
* @return array
*/
public function stat() {
return null;
}
/**
* @return int
*/
public function getMTime() {
return null;
}
/**
* @return int
*/
public function getSize() {
return null;
}
/**
* @return string
*/
public function getEtag() {
return null;
}
/**
* @return int
*/
public function getPermissions() {
return \OCP\Constants::PERMISSION_CREATE;
}
/**
* @return bool
*/
public function isReadable() {
return false;
}
/**
* @return bool
*/
public function isUpdateable() {
return false;
}
/**
* @return bool
*/
public function isDeletable() {
return false;
}
/**
* @return bool
*/
public function isShareable() {
return false;
}
/**
* @return Node
* @throws \OCP\Files\NotFoundException
*/
public function getParent() {
throw new NotFoundException();
}
/**
* @return string
*/
public function getName() {
return '';
}
/**
* Returns a view to user's files folder
*
* @param String $userId user ID
* @return \OCP\Files\Folder
* @throws \OC\User\NoUserException
*/
public function getUserFolder($userId) {
$userObject = $this->userManager->get($userId);
if (is_null($userObject)) {
$this->logger->error(
sprintf(
'Backends provided no user object for %s',
$userId
),
[
'app' => 'files',
]
);
throw new \OC\User\NoUserException('Backends provided no user object');
}
$userId = $userObject->getUID();
if (!$this->userFolderCache->hasKey($userId)) {
\OC\Files\Filesystem::initMountPoints($userId);
try {
$folder = $this->get('/' . $userId . '/files');
} catch (NotFoundException $e) {
if (!$this->nodeExists('/' . $userId)) {
$this->newFolder('/' . $userId);
}
$folder = $this->newFolder('/' . $userId . '/files');
}
$this->userFolderCache->set($userId, $folder);
}
return $this->userFolderCache->get($userId);
}
public function clearCache() {
$this->userFolderCache = new CappedMemoryCache();
}
public function getUserMountCache() {
return $this->userMountCache;
}
}