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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Stefan Weil <sw@weilnetz.de>
* @author szaimen <szaimen@e.mail.de>
* @author Vincent Petry <vincent@nextcloud.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 OCA\Files_External\Service;
use OC\Files\Filesystem;
use OCA\Files_External\Lib\StorageConfig;
use OCA\Files_External\NotFoundException;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Files\Config\IUserMountCache;
use OCP\IUserSession;
/**
* Service class to manage user external storage
* (aka personal storages)
*/
class UserStoragesService extends StoragesService {
use UserTrait;
/**
* Create a user storages service
*
* @param BackendService $backendService
* @param DBConfigService $dbConfig
* @param IUserSession $userSession user session
* @param IUserMountCache $userMountCache
* @param IEventDispatcher $eventDispatcher
*/
public function __construct(
BackendService $backendService,
DBConfigService $dbConfig,
IUserSession $userSession,
IUserMountCache $userMountCache,
IEventDispatcher $eventDispatcher
) {
$this->userSession = $userSession;
parent::__construct($backendService, $dbConfig, $userMountCache, $eventDispatcher);
}
protected function readDBConfig() {
return $this->dbConfig->getUserMountsFor(DBConfigService::APPLICABLE_TYPE_USER, $this->getUser()->getUID());
}
/**
* Triggers $signal for all applicable users of the given
* storage
*
* @param StorageConfig $storage storage data
* @param string $signal signal to trigger
*/
protected function triggerHooks(StorageConfig $storage, $signal) {
$user = $this->getUser()->getUID();
// trigger hook for the current user
$this->triggerApplicableHooks(
$signal,
$storage->getMountPoint(),
\OCA\Files_External\MountConfig::MOUNT_TYPE_USER,
[$user]
);
}
/**
* Triggers signal_create_mount or signal_delete_mount to
* accommodate for additions/deletions in applicableUsers
* and applicableGroups fields.
*
* @param StorageConfig $oldStorage old storage data
* @param StorageConfig $newStorage new storage data
*/
protected function triggerChangeHooks(StorageConfig $oldStorage, StorageConfig $newStorage) {
// if mount point changed, it's like a deletion + creation
if ($oldStorage->getMountPoint() !== $newStorage->getMountPoint()) {
$this->triggerHooks($oldStorage, Filesystem::signal_delete_mount);
$this->triggerHooks($newStorage, Filesystem::signal_create_mount);
}
}
protected function getType() {
return DBConfigService::MOUNT_TYPE_PERSONAl;
}
/**
* Add new storage to the configuration
*
* @param StorageConfig $newStorage storage attributes
*
* @return StorageConfig storage config, with added id
*/
public function addStorage(StorageConfig $newStorage) {
$newStorage->setApplicableUsers([$this->getUser()->getUID()]);
return parent::addStorage($newStorage);
}
/**
* Update storage to the configuration
*
* @param StorageConfig $updatedStorage storage attributes
*
* @return StorageConfig storage config
* @throws NotFoundException if the given storage does not exist in the config
*/
public function updateStorage(StorageConfig $updatedStorage) {
$updatedStorage->setApplicableUsers([$this->getUser()->getUID()]);
return parent::updateStorage($updatedStorage);
}
/**
* Get the visibility type for this controller, used in validation
*
* @return string BackendService::VISIBILITY_* constants
*/
public function getVisibilityType() {
return BackendService::VISIBILITY_PERSONAL;
}
protected function isApplicable(StorageConfig $config) {
return ($config->getApplicableUsers() === [$this->getUser()->getUID()]) && $config->getType() === StorageConfig::MOUNT_TYPE_PERSONAl;
}
}
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