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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Talk\Federation;
use OCA\Talk\AppInfo\Application;
use OCA\Talk\Exceptions\CannotReachRemoteException;
use OCA\Talk\Exceptions\RoomNotFoundException;
use OCA\Talk\Exceptions\UnauthorizedException;
use OCA\Talk\Manager;
use OCA\Talk\Model\Attendee;
use OCA\Talk\Model\Invitation;
use OCA\Talk\Model\InvitationMapper;
use OCA\Talk\Participant;
use OCA\Talk\Room;
use OCA\Talk\Service\ParticipantService;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Http;
use OCP\Federation\Exceptions\ProviderCouldNotAddShareException;
use OCP\Federation\ICloudId;
use OCP\Federation\ICloudIdManager;
use OCP\IUser;
use OCP\Notification\IManager;
use SensitiveParameter;
/**
* Class FederationManager
*
* @package OCA\Talk\Federation
*
* FederationManager handles incoming federated rooms
*/
class FederationManager {
public const OCM_RESOURCE_NOT_FOUND = 'RESOURCE_NOT_FOUND';
public const TALK_ROOM_RESOURCE = 'talk-room';
public const TALK_PROTOCOL_NAME = 'nctalk';
public const NOTIFICATION_SHARE_ACCEPTED = 'SHARE_ACCEPTED';
public const NOTIFICATION_SHARE_DECLINED = 'SHARE_DECLINED';
public const NOTIFICATION_SHARE_UNSHARED = 'SHARE_UNSHARED';
public const NOTIFICATION_ROOM_MODIFIED = 'ROOM_MODIFIED';
public const NOTIFICATION_MESSAGE_POSTED = 'MESSAGE_POSTED';
public const TOKEN_LENGTH = 64;
public function __construct(
private Manager $manager,
private ParticipantService $participantService,
private InvitationMapper $invitationMapper,
private BackendNotifier $backendNotifier,
private IManager $notificationManager,
private ICloudIdManager $cloudIdManager,
private RestrictionValidator $restrictionValidator,
) {
}
/**
* Check if $sharedBy is allowed to invite $shareWith
*
* @throws \InvalidArgumentException
*/
public function isAllowedToInvite(
IUser $user,
ICloudId $cloudIdToInvite,
): void {
$this->restrictionValidator->isAllowedToInvite($user, $cloudIdToInvite);
}
public function addRemoteRoom(
IUser $user,
int $remoteAttendeeId,
int $roomType,
string $roomName,
string $remoteToken,
string $remoteServerUrl,
#[SensitiveParameter]
string $sharedSecret,
string $inviterCloudId,
string $inviterDisplayName,
string $localCloudId,
): Invitation {
$couldHaveInviteWithOtherCasing = false;
try {
$room = $this->manager->getRoomByToken($remoteToken, null, $remoteServerUrl);
$couldHaveInviteWithOtherCasing = true;
} catch (RoomNotFoundException) {
$room = $this->manager->createRemoteRoom($roomType, $roomName, $remoteToken, $remoteServerUrl);
}
if ($couldHaveInviteWithOtherCasing) {
try {
$this->invitationMapper->getInvitationForUserByLocalRoom($room, $user->getUID(), true);
throw new ProviderCouldNotAddShareException('User already invited', '', Http::STATUS_BAD_REQUEST);
} catch (DoesNotExistException) {
// Not invited with any casing already, so all good.
}
}
$invitation = new Invitation();
$invitation->setUserId($user->getUID());
$invitation->setState(Invitation::STATE_PENDING);
$invitation->setLocalRoomId($room->getId());
$invitation->setLocalCloudId($localCloudId);
$invitation->setAccessToken($sharedSecret);
$invitation->setRemoteServerUrl($remoteServerUrl);
$invitation->setRemoteToken($remoteToken);
$invitation->setRemoteAttendeeId($remoteAttendeeId);
$invitation->setInviterCloudId($inviterCloudId);
$invitation->setInviterDisplayName($inviterDisplayName);
$this->invitationMapper->insert($invitation);
return $invitation;
}
protected function markNotificationProcessed(string $userId, int $shareId): void {
$notification = $this->notificationManager->createNotification();
$notification->setApp(Application::APP_ID)
->setUser($userId)
->setObject('remote_talk_share', (string) $shareId);
$this->notificationManager->markProcessed($notification);
}
/**
* @throws \InvalidArgumentException
* @throws CannotReachRemoteException
*/
public function acceptRemoteRoomShare(IUser $user, int $shareId): Participant {
try {
$invitation = $this->invitationMapper->getInvitationById($shareId);
} catch (DoesNotExistException $e) {
throw new \InvalidArgumentException('invitation');
}
if ($invitation->getUserId() !== $user->getUID()) {
throw new UnauthorizedException('user');
}
if ($invitation->getState() === Invitation::STATE_ACCEPTED) {
throw new \InvalidArgumentException('state');
}
$cloudId = $this->cloudIdManager->getCloudId($user->getUID(), null);
// Add user to the room
$room = $this->manager->getRoomById($invitation->getLocalRoomId());
if (
!$this->backendNotifier->sendShareAccepted($invitation->getRemoteServerUrl(), $invitation->getRemoteAttendeeId(), $invitation->getAccessToken(), $user->getDisplayName(), $cloudId->getId())
) {
throw new CannotReachRemoteException();
}
$participant = [
[
'actorType' => Attendee::ACTOR_USERS,
'actorId' => $user->getUID(),
'displayName' => $user->getDisplayName(),
'accessToken' => $invitation->getAccessToken(),
'remoteId' => $invitation->getRemoteAttendeeId(),
'invitedCloudId' => $invitation->getLocalCloudId(),
'lastReadMessage' => $room->getLastMessageId(),
]
];
$attendees = $this->participantService->addUsers($room, $participant, $user);
/** @var Attendee $attendee */
$attendee = array_pop($attendees);
$invitation->setState(Invitation::STATE_ACCEPTED);
$invitation->setLocalCloudId($cloudId->getId());
$this->invitationMapper->update($invitation);
$this->markNotificationProcessed($user->getUID(), $shareId);
return new Participant($room, $attendee, null);
}
/**
* @throws DoesNotExistException
*/
public function getRemoteShareById(int $shareId): Invitation {
return $this->invitationMapper->getInvitationById($shareId);
}
/**
* @throws \InvalidArgumentException
* @throws UnauthorizedException
*/
public function rejectRemoteRoomShare(IUser $user, int $shareId): void {
try {
$invitation = $this->invitationMapper->getInvitationById($shareId);
} catch (DoesNotExistException $e) {
throw new \InvalidArgumentException('invitation');
}
if ($invitation->getUserId() !== $user->getUID()) {
throw new UnauthorizedException('user');
}
if ($invitation->getState() !== Invitation::STATE_PENDING) {
|
