116 lines
3.9 KiB
PHP
116 lines
3.9 KiB
PHP
<?php
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/*
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* @copyright Copyright (c) 2021 Julius Härtl <jus@bitgrid.net>
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*
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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declare(strict_types=1);
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namespace OCA\Deck\Listeners;
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use OCA\Deck\Db\StackMapper;
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use OCA\Deck\Event\AAclEvent;
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use OCA\Deck\Event\ACardEvent;
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use OCA\Deck\Event\BoardUpdatedEvent;
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use OCA\Deck\Event\CardUpdatedEvent;
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use OCA\Deck\Event\SessionClosedEvent;
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use OCA\Deck\Event\SessionCreatedEvent;
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use OCA\Deck\NotifyPushEvents;
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use OCA\Deck\Service\SessionService;
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use OCA\NotifyPush\Queue\IQueue;
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use OCP\EventDispatcher\Event;
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use OCP\EventDispatcher\IEventListener;
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use OCP\IRequest;
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use Psr\Container\ContainerInterface;
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use Psr\Log\LoggerInterface;
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/** @template-implements IEventListener<Event|SessionCreatedEvent|SessionClosedEvent|AAclEvent|ACardEvent|CardUpdatedEvent|BoardUpdatedEvent> */
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class LiveUpdateListener implements IEventListener {
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private LoggerInterface $logger;
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private SessionService $sessionService;
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private IRequest $request;
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private StackMapper $stackMapper;
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private $queue;
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public function __construct(
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ContainerInterface $container,
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IRequest $request,
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LoggerInterface $logger,
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SessionService $sessionService,
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StackMapper $stackMapper
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) {
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try {
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$this->queue = $container->get(IQueue::class);
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} catch (\Exception $e) {
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// most likely notify_push is not installed.
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return;
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}
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$this->logger = $logger;
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$this->sessionService = $sessionService;
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$this->request = $request;
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$this->stackMapper = $stackMapper;
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}
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public function handle(Event $event): void {
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if (!$this->queue) {
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// notify_push is not active
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return;
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}
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try {
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// the web frontend is adding the Session-ID as a header
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// TODO: verify the token! this currently allows to spoof a token from someone
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// else, preventing this person from getting updates
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$causingSessionToken = $this->request->getHeader('x-nc-deck-session');
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if (
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$event instanceof SessionCreatedEvent ||
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$event instanceof SessionClosedEvent ||
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$event instanceof BoardUpdatedEvent ||
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$event instanceof AAclEvent
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) {
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$this->sessionService->notifyAllSessions($this->queue, $event->getBoardId(), NotifyPushEvents::DeckBoardUpdate, [
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'id' => $event->getBoardId()
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], $causingSessionToken);
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} elseif ($event instanceof ACardEvent) {
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$boardId = $this->stackMapper->findBoardId($event->getCard()->getStackId());
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$this->sessionService->notifyAllSessions($this->queue, $boardId, NotifyPushEvents::DeckCardUpdate, [
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'boardId' => $boardId,
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'cardId' => $event->getCard()->getId()
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], $causingSessionToken);
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// if card got moved to a diferent board, we should notify
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// also sessions active on the previous board
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if ($event instanceof CardUpdatedEvent && $event->getCardBefore()) {
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$previousBoardId = $this->stackMapper->findBoardId($event->getCardBefore()->getStackId());
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if ($boardId !== $previousBoardId) {
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$this->sessionService->notifyAllSessions($this->queue, $previousBoardId, NotifyPushEvents::DeckCardUpdate, [
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'boardId' => $boardId,
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'cardId' => $event->getCard()->getId()
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], $causingSessionToken);
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}
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}
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}
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} catch (\Exception $e) {
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$this->logger->error('Error when handling live update event', ['exception' => $e]);
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}
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}
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}
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