UPSTREAM BASELINE: nextcloud/spreed v22.0.12 (без изменений)

Источник: https://github.com/nextcloud/spreed/archive/refs/tags/v22.0.12.tar.gz
С этого коммита ветка официального Nextcloud Talk отрезана (решение владельца 2026-07-06).
Все дальнейшие изменения — только наши; версии релизов: 22.0.12-f7.N.

lib/Service/SessionService.php

@@ -0,0 +1,138 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Service;
+
+use OCA\Talk\Model\Attendee;
+use OCA\Talk\Model\Session;
+use OCA\Talk\Model\SessionMapper;
+use OCA\Talk\Participant;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\Exception;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Security\ISecureRandom;
+
+class SessionService {
+
+	public function __construct(
+		protected SessionMapper $sessionMapper,
+		protected IDBConnection $connection,
+		protected ISecureRandom $secureRandom,
+		protected ITimeFactory $timeFactory,
+	) {
+	}
+
+	/**
+	 * Update last ping for multiple sessions
+	 *
+	 * Since this function is called by the HPB with potentially hundreds of
+	 * sessions, we do not use the SessionMapper to get the entities first, as
+	 * that would just not scale good enough.
+	 *
+	 * @param string[] $sessionIds
+	 * @param int $lastPing
+	 */
+	public function updateMultipleLastPings(array $sessionIds, int $lastPing): void {
+		$update = $this->connection->getQueryBuilder();
+		$update->update('talk_sessions')
+			->set('last_ping', $update->createNamedParameter($lastPing, IQueryBuilder::PARAM_INT))
+			->where($update->expr()->in('session_id', $update->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)));
+
+		$update->executeStatement();
+	}
+
+	public function updateLastPing(Session $session, int $lastPing): void {
+		$session->setLastPing($lastPing);
+		$this->sessionMapper->update($session);
+	}
+
+	/**
+	 * @throws \InvalidArgumentException
+	 */
+	public function updateSessionState(Session $session, int $state): void {
+		if (!in_array($state, [Session::STATE_INACTIVE, Session::STATE_ACTIVE], true)) {
+			throw new \InvalidArgumentException('state');
+		}
+
+		$session->setState($state);
+		$this->sessionMapper->update($session);
+	}
+
+	/**
+	 * @param int[] $ids
+	 */
+	public function deleteSessionsById(array $ids): void {
+		$this->sessionMapper->deleteByIds($ids);
+	}
+
+	/**
+	 * @param Attendee $attendee
+	 * @return Session[]
+	 */
+	public function getAllSessionsForAttendee(Attendee $attendee): array {
+		return $this->sessionMapper->findByAttendeeId($attendee->getId());
+	}
+
+	/**
+	 * @param Attendee $attendee
+	 * @param string $forceSessionId
+	 * @return Session
+	 * @throws Exception
+	 */
+	public function createSessionForAttendee(Attendee $attendee, string $forceSessionId = ''): Session {
+		$session = new Session();
+		$session->setAttendeeId($attendee->getId());
+		$session->setInCall(Participant::FLAG_DISCONNECTED);
+		$session->setLastPing($this->timeFactory->getTime());
+
+		if ($forceSessionId !== '') {
+			$session->setSessionId($forceSessionId);
+			$this->sessionMapper->insert($session);
+		} else {
+			while (true) {
+				$sessionId = $this->secureRandom->generate(255);
+				if (!empty($attendee->getInvitedCloudId())) {
+					$sessionId = $this->extendSessionIdWithCloudId($sessionId, $attendee->getInvitedCloudId());
+				}
+				$session->setSessionId($sessionId);
+				try {
+					$this->sessionMapper->insert($session);
+					break;
+				} catch (Exception $e) {
+					// 255 chars are not unique? Try again...
+					if ($e->getReason() !== Exception::REASON_UNIQUE_CONSTRAINT_VIOLATION) {
+						throw $e;
+					}
+				}
+			}
+		}
+
+		return $session;
+	}
+
+	/**
+	 * Adds the given cloud id to the given session id.
+	 *
+	 * The session id and the cloud id are separated by '#'.
+	 *
+	 * If the resulting session id is longer than the column length it is
+	 * trimmed at the end as needed.
+	 *
+	 * @param string $sessionId
+	 * @param string $invitedCloudId
+	 * @return string
+	 */
+	public function extendSessionIdWithCloudId(string $sessionId, string $invitedCloudId): string {
+		// Session id column length is 512, while generated session ids are 255
+		// characters.
+		$invitedCloudId = substr($invitedCloudId, 0, 256);
+
+		return $sessionId . '#' . $invitedCloudId;
+	}
+}