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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\Files\IHomeStorage;
use OCP\Files\IRootFolder;
use OCP\IRequest;
use OCP\IUserManager;
use OCP\Notification\IManager as NotificationManager;
class TransferOwnershipController extends OCSController {
public function __construct(
string $appName,
IRequest $request,
private string $userId,
private NotificationManager $notificationManager,
private ITimeFactory $timeFactory,
private IJobList $jobList,
private TransferOwnershipMapper $mapper,
private IUserManager $userManager,
private IRootFolder $rootFolder,
) {
parent::__construct($appName, $request);
}
/**
* Transfer the ownership to another user
*
* @param string $recipient Username of the recipient
* @param string $path Path of the file
*
* @return DataResponse<Http::STATUS_OK|Http::STATUS_BAD_REQUEST|Http::STATUS_FORBIDDEN, list<empty>, array{}>
*
* 200: Ownership transferred successfully
* 400: Transferring ownership is not possible
* 403: Transferring ownership is not allowed
*/
#[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() !== $this->userId || !$node->getStorage()->instanceOfStorage(IHomeStorage::class)) {
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([]);
}
/**
* Accept an ownership transfer
*
* @param int $id ID of the ownership transfer
*
* @return DataResponse<Http::STATUS_OK|Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, list<empty>, array{}>
*
* 200: Ownership transfer accepted successfully
* 403: Accepting ownership transfer is not allowed
* 404: Ownership transfer not found
*/
#[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);
}
$this->jobList->add(TransferOwnership::class, [
'id' => $transferOwnership->getId(),
]);
$notification = $this->notificationManager->createNotification();
$notification->setApp('files')
->setObject('transfer', (string)$id);
$this->notificationManager->markProcessed($notification);
return new DataResponse([], Http::STATUS_OK);
}
/**
* Reject an ownership transfer
*
* @param int $id ID of the ownership transfer
*
* @return DataResponse<Http::STATUS_OK|Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, list<empty>, array{}>
*
* 200: Ownership transfer rejected successfully
* 403: Rejecting ownership transfer is not allowed
* 404: Ownership transfer not found
*/
#[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);
$this->mapper->delete($transferOwnership);
// A "request denied" notification will be created by Notifier::dismissNotification
return new DataResponse([], Http::STATUS_OK);
}
}
|
