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.
2026-07-06 14:07:50 +00:00
commit 01acfa3b40
1716 changed files with 613013 additions and 0 deletions
@@ -0,0 +1,148 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Signaling;
+
+use OCA\Talk\Model\Session;
+use OCA\Talk\Room;
+use OCA\Talk\Service\ParticipantService;
+use OCP\AppFramework\Db\TTransactional;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+
+class Messages {
+	use TTransactional;
+
+	public function __construct(
+		protected IDBConnection $db,
+		protected ParticipantService $participantService,
+		protected ITimeFactory $timeFactory,
+	) {
+	}
+
+	/**
+	 * @param string[] $sessionIds
+	 */
+	public function deleteMessages(array $sessionIds): void {
+		$delete = $this->db->getQueryBuilder();
+		$delete->delete('talk_internalsignaling')
+			->where($delete->expr()->in('recipient', $delete->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)))
+			->orWhere($delete->expr()->in('sender', $delete->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)));
+
+		$this->atomic(function () use ($delete): void {
+			$delete->executeStatement();
+		}, $this->db);
+	}
+
+	/**
+	 * @param string $senderSessionId
+	 * @param string $recipientSessionId
+	 * @param string $message
+	 */
+	public function addMessage(string $senderSessionId, string $recipientSessionId, string $message): void {
+		$insert = $this->db->getQueryBuilder();
+		$insert->insert('talk_internalsignaling')
+			->values(
+				[
+					'sender' => $insert->createNamedParameter($senderSessionId),
+					'recipient' => $insert->createNamedParameter($recipientSessionId),
+					'timestamp' => $insert->createNamedParameter($this->timeFactory->getTime()),
+					'message' => $insert->createNamedParameter($message),
+				]
+			);
+		$insert->executeStatement();
+	}
+
+	/**
+	 * @param Room $room
+	 * @param string $message
+	 */
+	public function addMessageForAllParticipants(Room $room, string $message): void {
+		$insert = $this->db->getQueryBuilder();
+		$insert->insert('talk_internalsignaling')
+			->values(
+				[
+					'sender' => $insert->createParameter('sender'),
+					'recipient' => $insert->createParameter('recipient'),
+					'timestamp' => $insert->createNamedParameter($this->timeFactory->getTime()),
+					'message' => $insert->createNamedParameter($message),
+				]
+			);
+
+		$participants = $this->participantService->getParticipantsForAllSessions($room);
+		$this->atomic(function () use ($participants, $insert): void {
+			foreach ($participants as $participant) {
+				$session = $participant->getSession();
+				if ($session instanceof Session) {
+					$insert->setParameter('sender', $session->getSessionId())
+						->setParameter('recipient', $session->getSessionId())
+						->executeStatement();
+				}
+			}
+		}, $this->db);
+	}
+
+	/**
+	 * Get messages and delete them afterwards
+	 *
+	 * To make sure we don't delete messages which we didn't return
+	 * we do it with 1 second difference. This means you don't receive messages
+	 * immediately, but the next polling is only 1 second later and will get the
+	 * "new" message.
+	 *
+	 * @param string $sessionId
+	 * @return list<array{type: string, data: string}>
+	 */
+	public function getAndDeleteMessages(string $sessionId): array {
+		$messages = [];
+		$time = $this->timeFactory->getTime() - 1;
+
+		$query = $this->db->getQueryBuilder();
+		$query->select('*')
+			->from('talk_internalsignaling')
+			->where($query->expr()->eq('recipient', $query->createNamedParameter($sessionId)))
+			->andWhere($query->expr()->lte('timestamp', $query->createNamedParameter($time)))
+			->orderBy('id', 'ASC');
+
+		$delete = $this->db->getQueryBuilder();
+		$delete->delete('talk_internalsignaling')
+			->where($delete->expr()->eq('recipient', $delete->createNamedParameter($sessionId)))
+			->andWhere($delete->expr()->lte('timestamp', $delete->createNamedParameter($time)));
+
+		$this->atomic(function () use (&$messages, $query, $delete): void {
+			$result = $query->executeQuery();
+
+			while ($row = $result->fetch()) {
+				$messages[] = ['type' => 'message', 'data' => $row['message']];
+			}
+			$result->closeCursor();
+
+			$delete->executeStatement();
+		}, $this->db);
+
+		return $messages;
+	}
+
+	/**
+	 * Expires all signaling messages that are too old or invalid
+	 *
+	 * @param int $olderThan
+	 */
+	public function expireOlderThan(int $olderThan): void {
+		$time = $this->timeFactory->getTime() - $olderThan;
+
+		$delete = $this->db->getQueryBuilder();
+		$delete->delete('talk_internalsignaling')
+			->where($delete->expr()->lt('timestamp', $delete->createNamedParameter($time)));
+
+		$this->atomic(function () use ($delete): void {
+			$delete->executeStatement();
+		}, $this->db);
+	}
+}