nextcloud/apps/files/lib/Controller/TransferOwnershipController...

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Julius Härtl <jus@bitgrid.net>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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\Files\Controller;
use OCA\Files\BackgroundJob\TransferOwnership;
use OCA\Files\Db\TransferOwnership as TransferOwnershipEntity;
use OCA\Files\Db\TransferOwnershipMapper;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\Files\IRootFolder;
use OCP\IRequest;
use OCP\IUserManager;
use OCP\Notification\IManager as NotificationManager;
class TransferOwnershipController extends OCSController {
/** @var string */
private $userId;
/** @var NotificationManager */
private $notificationManager;
/** @var ITimeFactory */
private $timeFactory;
/** @var IJobList */
private $jobList;
/** @var TransferOwnershipMapper */
private $mapper;
/** @var IUserManager */
private $userManager;
/** @var IRootFolder */
private $rootFolder;
public function __construct(string $appName,
IRequest $request,
string $userId,
NotificationManager $notificationManager,
ITimeFactory $timeFactory,
IJobList $jobList,
TransferOwnershipMapper $mapper,
IUserManager $userManager,
IRootFolder $rootFolder) {
parent::__construct($appName, $request);
$this->userId = $userId;
$this->notificationManager = $notificationManager;
$this->timeFactory = $timeFactory;
$this->jobList = $jobList;
$this->mapper = $mapper;
$this->userManager = $userManager;
$this->rootFolder = $rootFolder;
}
/**
* @NoAdminRequired
*/
public function transfer(string $recipient, string $path): DataResponse {
$recipientUser = $this->userManager->get($recipient);
if ($recipientUser === null) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
$userRoot = $this->rootFolder->getUserFolder($this->userId);
try {
$node = $userRoot->get($path);
} catch (\Exception $e) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
if ($node->getOwner()->getUID() !== $this->userId) {
return new DataResponse([], Http::STATUS_FORBIDDEN);
}
$transferOwnership = new TransferOwnershipEntity();
$transferOwnership->setSourceUser($this->userId);
$transferOwnership->setTargetUser($recipient);
$transferOwnership->setFileId($node->getId());
$transferOwnership->setNodeName($node->getName());
$transferOwnership = $this->mapper->insert($transferOwnership);
$notification = $this->notificationManager->createNotification();
$notification->setUser($recipient)
->setApp($this->appName)
->setDateTime($this->timeFactory->getDateTime())
->setSubject('transferownershipRequest', [
'sourceUser' => $this->userId,
'targetUser' => $recipient,
'nodeName' => $node->getName(),
])
->setObject('transfer', (string)$transferOwnership->getId());
$this->notificationManager->notify($notification);
return new DataResponse([]);
}
/**
* @NoAdminRequired
*/
public function accept(int $id): DataResponse {
try {
$transferOwnership = $this->mapper->getById($id);
} catch (DoesNotExistException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if ($transferOwnership->getTargetUser() !== $this->userId) {
return new DataResponse([], Http::STATUS_FORBIDDEN);
}
$notification = $this->notificationManager->createNotification();
$notification->setApp('files')
->setObject('transfer', (string)$id);
$this->notificationManager->markProcessed($notification);
$newTransferOwnership = new TransferOwnershipEntity();
$newTransferOwnership->setNodeName($transferOwnership->getNodeName());
$newTransferOwnership->setFileId($transferOwnership->getFileId());
$newTransferOwnership->setSourceUser($transferOwnership->getSourceUser());
$newTransferOwnership->setTargetUser($transferOwnership->getTargetUser());
$this->mapper->insert($newTransferOwnership);
$this->jobList->add(TransferOwnership::class, [
'id' => $newTransferOwnership->getId(),
]);
return new DataResponse([], Http::STATUS_OK);
}
/**
* @NoAdminRequired
*/
public function reject(int $id): DataResponse {
try {
$transferOwnership = $this->mapper->getById($id);
} catch (DoesNotExistException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if ($transferOwnership->getTargetUser() !== $this->userId) {
return new DataResponse([], Http::STATUS_FORBIDDEN);
}
$notification = $this->notificationManager->createNotification();
$notification->setApp('files')
->setObject('transfer', (string)$id);
$this->notificationManager->markProcessed($notification);
$notification = $this->notificationManager->createNotification();
$notification->setUser($transferOwnership->getSourceUser())
->setApp($this->appName)
->setDateTime($this->timeFactory->getDateTime())
->setSubject('transferownershipRequestDenied', [
'sourceUser' => $transferOwnership->getSourceUser(),
'targetUser' => $transferOwnership->getTargetUser(),
'nodeName' => $transferOwnership->getNodeName()
])
->setObject('transfer', (string)$transferOwnership->getId());
$this->notificationManager->notify($notification);
$this->mapper->delete($transferOwnership);
return new DataResponse([], Http::STATUS_OK);
}
}