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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Talk\Controller;
use OCA\Talk\AppInfo\Application;
use OCA\Talk\Exceptions\CannotReachRemoteException;
use OCA\Talk\Exceptions\RoomNotFoundException;
use OCA\Talk\Exceptions\UnauthorizedException;
use OCA\Talk\Federation\FederationManager;
use OCA\Talk\Manager;
use OCA\Talk\Model\Invitation;
use OCA\Talk\ResponseDefinitions;
use OCA\Talk\Service\RoomFormatter;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\OpenAPI;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\IRequest;
use OCP\IUser;
use OCP\IUserSession;
/**
* @psalm-import-type TalkFederationInvite from ResponseDefinitions
* @psalm-import-type TalkRoom from ResponseDefinitions
*/
class FederationController extends OCSController {
public function __construct(
IRequest $request,
private FederationManager $federationManager,
private Manager $talkManager,
private IUserSession $userSession,
private RoomFormatter $roomFormatter,
) {
parent::__construct(Application::APP_ID, $request);
}
/**
* Following the logic of {@see Dispatcher::executeController}
* @return string Either 'json' or 'xml'
* @psalm-return 'json'|'xml'
*/
public function getResponseFormat(): string {
// get format from the url format or request format parameter
$format = $this->request->getParam('format');
// if none is given try the first Accept header
if ($format === null) {
$headers = $this->request->getHeader('Accept');
/**
* Default value of
* @see OCSController::buildResponse()
*/
$format = $this->getResponderByHTTPHeader($headers, 'xml');
}
return $format;
}
/**
* Accept a federation invites
*
* 🚧 Draft: Still work in progress
*
* @param int $id ID of the share
* @psalm-param non-negative-int $id
* @return DataResponse<Http::STATUS_OK, TalkRoom, array{}>|DataResponse<Http::STATUS_BAD_REQUEST|Http::STATUS_GONE, array{error: string}, array{}>|DataResponse<Http::STATUS_NOT_FOUND, array{error?: string}, array{}>
*
* 200: Invite accepted successfully
* 400: Invite can not be accepted (maybe it was accepted already)
* 404: Invite can not be found
* 410: Remote server could not be reached to notify about the acceptance
*/
#[NoAdminRequired]
#[OpenAPI(scope: OpenAPI::SCOPE_FEDERATION)]
public function acceptShare(int $id): DataResponse {
$user = $this->userSession->getUser();
if (!$user instanceof IUser) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
try {
$participant = $this->federationManager->acceptRemoteRoomShare($user, $id);
} catch (CannotReachRemoteException) {
return new DataResponse(['error' => 'remote'], Http::STATUS_GONE);
} catch (UnauthorizedException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} catch (\InvalidArgumentException $e) {
return new DataResponse(['error' => $e->getMessage()], $e->getMessage() === 'invitation' ? Http::STATUS_NOT_FOUND : Http::STATUS_BAD_REQUEST);
}
return new DataResponse($this->roomFormatter->formatRoom(
$this->getResponseFormat(),
[],
$participant->getRoom(),
$participant,
));
}
/**
* Decline a federation invites
*
* 🚧 Draft: Still work in progress
*
* @param int $id ID of the share
* @psalm-param non-negative-int $id
* @return DataResponse<Http::STATUS_OK, array<empty>, array{}>|DataResponse<Http::STATUS_NOT_FOUND|Http::STATUS_BAD_REQUEST, array{error?: string}, array{}>
*
* 200: Invite declined successfully
* 400: Invite was already accepted, use the "Remove the current user from a room" endpoint instead
* 404: Invite can not be found
*/
#[NoAdminRequired]
#[OpenAPI(scope: OpenAPI::SCOPE_FEDERATION)]
public function rejectShare(int $id): DataResponse {
$user = $this->userSession->getUser();
if (!$user instanceof IUser) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
try {
$this->federationManager->rejectRemoteRoomShare($user, $id);
} catch (UnauthorizedException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} catch (\InvalidArgumentException $e) {
return new DataResponse(['error' => $e->getMessage()], $e->getMessage() === 'invitation' ? Http::STATUS_NOT_FOUND : Http::STATUS_BAD_REQUEST);
}
return new DataResponse();
}
/**
* Get a list of federation invites
*
* 🚧 Draft: Still work in progress
*
* @return DataResponse<Http::STATUS_OK, list<TalkFederationInvite>, array{}>
*
* 200: Get list of received federation invites successfully
*/
#[NoAdminRequired]
#[OpenAPI(scope: OpenAPI::SCOPE_FEDERATION)]
public function getShares(): DataResponse {
$user = $this->userSession->getUser();
if (!$user instanceof IUser) {
throw new UnauthorizedException();
}
$invitations = $this->federationManager->getRemoteRoomShares($user);
/** @var list<TalkFederationInvite> $data */
$data = array_values(array_filter(array_map([$this, 'enrichInvite'], $invitations)));
return new DataResponse($data);
}
/**
* @param Invitation $invitation
* @return TalkFederationInvite|null
*/
protected function enrichInvite(Invitation $invitation): ?array {
try {
$room = $this->talkManager->getRoomById($invitation->getLocalRoomId());
} catch (RoomNotFoundException) {
return null;
}
$federationInvite = $invitation->jsonSerialize();
$federationInvite['roomName'] = $room->getName();
$federationInvite['localToken'] = $room->getToken();
return $federationInvite;
}
}
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