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121 lines
3.5 KiB
121 lines
3.5 KiB
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
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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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namespace OCA\Talk\Service;
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use OCA\Talk\Model\Attendee;
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use OCA\Talk\Model\Session;
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use OCA\Talk\Model\SessionMapper;
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use OCA\Talk\Participant;
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use OCP\DB\Exception;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\Security\ISecureRandom;
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class SessionService {
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protected SessionMapper $sessionMapper;
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protected IDBConnection $connection;
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protected ISecureRandom $secureRandom;
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public function __construct(
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SessionMapper $sessionMapper,
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IDBConnection $connection,
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ISecureRandom $secureRandom,
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) {
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$this->sessionMapper = $sessionMapper;
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$this->connection = $connection;
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$this->secureRandom = $secureRandom;
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}
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/**
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* Update last ping for multiple sessions
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*
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* Since this function is called by the HPB with potentially hundreds of
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* sessions, we do not use the SessionMapper to get the entities first, as
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* that would just not scale good enough.
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*
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* @param string[] $sessionIds
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* @param int $lastPing
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*/
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public function updateMultipleLastPings(array $sessionIds, int $lastPing): void {
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$update = $this->connection->getQueryBuilder();
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$update->update('talk_sessions')
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->set('last_ping', $update->createNamedParameter($lastPing, IQueryBuilder::PARAM_INT))
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->where($update->expr()->in('session_id', $update->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)));
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$update->executeStatement();
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}
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public function updateLastPing(Session $session, int $lastPing): void {
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$session->setLastPing($lastPing);
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$this->sessionMapper->update($session);
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}
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/**
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* @param int[] $ids
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*/
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public function deleteSessionsById(array $ids): void {
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$this->sessionMapper->deleteByIds($ids);
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}
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/**
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* @param Attendee $attendee
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* @return Session[]
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*/
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public function getAllSessionsForAttendee(Attendee $attendee): array {
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return $this->sessionMapper->findByAttendeeId($attendee->getId());
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}
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/**
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* @param Attendee $attendee
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* @param string $forceSessionId
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* @return Session
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* @throws Exception
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*/
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public function createSessionForAttendee(Attendee $attendee, string $forceSessionId = ''): Session {
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$session = new Session();
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$session->setAttendeeId($attendee->getId());
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$session->setInCall(Participant::FLAG_DISCONNECTED);
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if ($forceSessionId !== '') {
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$session->setSessionId($forceSessionId);
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$this->sessionMapper->insert($session);
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} else {
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while (true) {
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$sessionId = $this->secureRandom->generate(255);
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$session->setSessionId($sessionId);
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try {
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$this->sessionMapper->insert($session);
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break;
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} catch (Exception $e) {
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// 255 chars are not unique? Try again...
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if ($e->getReason() === Exception::REASON_UNIQUE_CONSTRAINT_VIOLATION) {
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throw $e;
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}
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}
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}
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}
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return $session;
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}
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}
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