652 lines
25 KiB
TypeScript
652 lines
25 KiB
TypeScript
import { PusherRoom } from "../Model/PusherRoom";
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import { CharacterLayer, ExSocketInterface } from "../Model/Websocket/ExSocketInterface";
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import {
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AdminMessage,
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AdminPusherToBackMessage,
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AdminRoomMessage,
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BanMessage,
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CharacterLayerMessage,
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EmoteEventMessage,
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EmotePromptMessage,
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GroupDeleteMessage,
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ItemEventMessage,
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JoinRoomMessage,
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PlayGlobalMessage,
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PusherToBackMessage,
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QueryJitsiJwtMessage,
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RefreshRoomMessage,
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ReportPlayerMessage,
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RoomJoinedMessage,
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SendJitsiJwtMessage,
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ServerToAdminClientMessage,
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ServerToClientMessage,
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SetPlayerDetailsMessage,
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SilentMessage,
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SubMessage,
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UserJoinedRoomMessage,
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UserLeftMessage,
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UserLeftRoomMessage,
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UserMovesMessage,
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ViewportMessage,
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WebRtcSignalToServerMessage,
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WorldConnexionMessage,
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TokenExpiredMessage,
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VariableMessage,
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ErrorMessage,
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WorldFullMessage,
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} from "../Messages/generated/messages_pb";
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import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
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import { ADMIN_API_URL, JITSI_ISS, JITSI_URL, SECRET_JITSI_KEY } from "../Enum/EnvironmentVariable";
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import { adminApi } from "./AdminApi";
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import { emitInBatch } from "./IoSocketHelpers";
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import Jwt from "jsonwebtoken";
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import { clientEventsEmitter } from "./ClientEventsEmitter";
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import { gaugeManager } from "./GaugeManager";
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import { apiClientRepository } from "./ApiClientRepository";
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import { GroupDescriptor, UserDescriptor, ZoneEventListener } from "_Model/Zone";
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import Debug from "debug";
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import { ExAdminSocketInterface } from "_Model/Websocket/ExAdminSocketInterface";
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import { WebSocket } from "uWebSockets.js";
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import { isRoomRedirect } from "../Messages/JsonMessages/RoomRedirect";
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import { CharacterTexture } from "../Messages/JsonMessages/CharacterTexture";
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const debug = Debug("socket");
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interface AdminSocketRoomsList {
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[index: string]: number;
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}
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interface AdminSocketUsersList {
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[index: string]: boolean;
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}
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export interface AdminSocketData {
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rooms: AdminSocketRoomsList;
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users: AdminSocketUsersList;
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}
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export class SocketManager implements ZoneEventListener {
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private rooms: Map<string, PusherRoom> = new Map<string, PusherRoom>();
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constructor() {
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clientEventsEmitter.registerToClientJoin((clientUUid: string, roomId: string) => {
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gaugeManager.incNbClientPerRoomGauge(roomId);
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});
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clientEventsEmitter.registerToClientLeave((clientUUid: string, roomId: string) => {
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gaugeManager.decNbClientPerRoomGauge(roomId);
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});
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}
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async handleAdminRoom(client: ExAdminSocketInterface, roomId: string): Promise<void> {
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const apiClient = await apiClientRepository.getClient(roomId);
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const adminRoomStream = apiClient.adminRoom();
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client.adminConnection = adminRoomStream;
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adminRoomStream
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.on("data", (message: ServerToAdminClientMessage) => {
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if (message.hasUserjoinedroom()) {
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const userJoinedRoomMessage = message.getUserjoinedroom() as UserJoinedRoomMessage;
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if (!client.disconnecting) {
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client.send(
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JSON.stringify({
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type: "MemberJoin",
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data: {
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uuid: userJoinedRoomMessage.getUuid(),
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name: userJoinedRoomMessage.getName(),
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ipAddress: userJoinedRoomMessage.getIpaddress(),
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roomId: roomId,
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},
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})
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);
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}
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} else if (message.hasUserleftroom()) {
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const userLeftRoomMessage = message.getUserleftroom() as UserLeftRoomMessage;
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if (!client.disconnecting) {
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client.send(
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JSON.stringify({
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type: "MemberLeave",
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data: {
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uuid: userLeftRoomMessage.getUuid(),
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},
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})
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);
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}
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} else {
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throw new Error("Unexpected admin message");
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}
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})
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.on("end", () => {
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console.warn("Admin connection lost to back server");
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// Let's close the front connection if the back connection is closed. This way, we can retry connecting from the start.
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if (!client.disconnecting) {
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this.closeWebsocketConnection(client, 1011, "Admin Connection lost to back server");
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}
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console.log("A user left");
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})
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.on("error", (err: Error) => {
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console.error("Error in connection to back server:", err);
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if (!client.disconnecting) {
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this.closeWebsocketConnection(client, 1011, "Error while connecting to back server");
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}
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});
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const message = new AdminPusherToBackMessage();
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message.setSubscribetoroom(roomId);
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console.log(
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`Admin socket handle room ${roomId} connections for a client on ${Buffer.from(
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client.getRemoteAddressAsText()
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).toString()}`
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);
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adminRoomStream.write(message);
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}
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leaveAdminRoom(socket: ExAdminSocketInterface) {
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if (socket.adminConnection) {
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socket.adminConnection.end();
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}
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}
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async handleJoinRoom(client: ExSocketInterface): Promise<void> {
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const viewport = client.viewport;
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try {
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const joinRoomMessage = new JoinRoomMessage();
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joinRoomMessage.setUseruuid(client.userUuid);
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joinRoomMessage.setIpaddress(client.IPAddress);
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joinRoomMessage.setRoomid(client.roomId);
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joinRoomMessage.setName(client.name);
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joinRoomMessage.setPositionmessage(ProtobufUtils.toPositionMessage(client.position));
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joinRoomMessage.setTagList(client.tags);
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if (client.visitCardUrl) {
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joinRoomMessage.setVisitcardurl(client.visitCardUrl);
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}
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joinRoomMessage.setCompanion(client.companion);
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for (const characterLayer of client.characterLayers) {
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const characterLayerMessage = new CharacterLayerMessage();
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characterLayerMessage.setName(characterLayer.name);
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if (characterLayer.url !== undefined) {
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characterLayerMessage.setUrl(characterLayer.url);
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}
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joinRoomMessage.addCharacterlayer(characterLayerMessage);
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}
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console.log("Calling joinRoom");
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const apiClient = await apiClientRepository.getClient(client.roomId);
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const streamToPusher = apiClient.joinRoom();
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clientEventsEmitter.emitClientJoin(client.userUuid, client.roomId);
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client.backConnection = streamToPusher;
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streamToPusher
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.on("data", (message: ServerToClientMessage) => {
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if (message.hasRoomjoinedmessage()) {
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client.userId = (message.getRoomjoinedmessage() as RoomJoinedMessage).getCurrentuserid();
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// If this is the first message sent, send back the viewport.
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this.handleViewport(client, viewport);
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}
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if (message.hasRefreshroommessage()) {
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const refreshMessage: RefreshRoomMessage =
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message.getRefreshroommessage() as unknown as RefreshRoomMessage;
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this.refreshRoomData(refreshMessage.getRoomid(), refreshMessage.getVersionnumber());
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}
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// Let's pass data over from the back to the client.
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if (!client.disconnecting) {
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client.send(message.serializeBinary().buffer, true);
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}
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})
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.on("end", () => {
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console.warn("Connection lost to back server");
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// Let's close the front connection if the back connection is closed. This way, we can retry connecting from the start.
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if (!client.disconnecting) {
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this.closeWebsocketConnection(client, 1011, "Connection lost to back server");
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}
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console.log("A user left");
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})
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.on("error", (err: Error) => {
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console.error("Error in connection to back server:", err);
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if (!client.disconnecting) {
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this.closeWebsocketConnection(client, 1011, "Error while connecting to back server");
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}
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});
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setJoinroommessage(joinRoomMessage);
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streamToPusher.write(pusherToBackMessage);
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const pusherRoom = await this.getOrCreateRoom(client.roomId);
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pusherRoom.join(client);
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} catch (e) {
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console.error('An error occurred on "join_room" event');
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console.error(e);
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}
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}
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private closeWebsocketConnection(client: ExSocketInterface | ExAdminSocketInterface, code: number, reason: string) {
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client.disconnecting = true;
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//this.leaveRoom(client);
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//client.close();
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client.end(code, reason);
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}
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handleViewport(client: ExSocketInterface, viewport: ViewportMessage.AsObject) {
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try {
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client.viewport = viewport;
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const room = this.rooms.get(client.roomId);
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if (!room) {
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console.error("In SET_VIEWPORT, could not find world with id '", client.roomId, "'");
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return;
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}
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room.setViewport(client, client.viewport);
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} catch (e) {
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console.error('An error occurred on "SET_VIEWPORT" event');
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console.error(e);
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}
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}
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handleUserMovesMessage(client: ExSocketInterface, userMovesMessage: UserMovesMessage) {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setUsermovesmessage(userMovesMessage);
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client.backConnection.write(pusherToBackMessage);
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const viewport = userMovesMessage.getViewport();
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if (viewport === undefined) {
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throw new Error("Missing viewport in UserMovesMessage");
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}
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// Now, we need to listen to the correct viewport.
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this.handleViewport(client, viewport.toObject());
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}
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onEmote(emoteMessage: EmoteEventMessage, listener: ExSocketInterface): void {
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const subMessage = new SubMessage();
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subMessage.setEmoteeventmessage(emoteMessage);
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emitInBatch(listener, subMessage);
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}
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onError(errorMessage: ErrorMessage, listener: ExSocketInterface): void {
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const subMessage = new SubMessage();
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subMessage.setErrormessage(errorMessage);
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emitInBatch(listener, subMessage);
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}
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// Useless now, will be useful again if we allow editing details in game
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handleSetPlayerDetails(client: ExSocketInterface, playerDetailsMessage: SetPlayerDetailsMessage) {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setSetplayerdetailsmessage(playerDetailsMessage);
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client.backConnection.write(pusherToBackMessage);
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}
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handleSilentMessage(client: ExSocketInterface, silentMessage: SilentMessage) {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setSilentmessage(silentMessage);
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client.backConnection.write(pusherToBackMessage);
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}
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handleItemEvent(client: ExSocketInterface, itemEventMessage: ItemEventMessage) {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setItemeventmessage(itemEventMessage);
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client.backConnection.write(pusherToBackMessage);
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}
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handleVariableEvent(client: ExSocketInterface, variableMessage: VariableMessage) {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setVariablemessage(variableMessage);
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client.backConnection.write(pusherToBackMessage);
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}
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async handleReportMessage(client: ExSocketInterface, reportPlayerMessage: ReportPlayerMessage) {
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try {
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await adminApi.reportPlayer(
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reportPlayerMessage.getReporteduseruuid(),
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reportPlayerMessage.getReportcomment(),
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client.userUuid,
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client.roomId
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);
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} catch (e) {
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console.error('An error occurred on "handleReportMessage"');
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console.error(e);
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}
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}
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emitVideo(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setWebrtcsignaltoservermessage(data);
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socket.backConnection.write(pusherToBackMessage);
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}
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emitScreenSharing(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setWebrtcscreensharingsignaltoservermessage(data);
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socket.backConnection.write(pusherToBackMessage);
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}
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leaveRoom(socket: ExSocketInterface) {
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// leave previous room and world
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try {
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if (socket.roomId) {
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try {
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//user leaves room
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const room: PusherRoom | undefined = this.rooms.get(socket.roomId);
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if (room) {
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debug("Leaving room %s.", socket.roomId);
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room.leave(socket);
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if (room.isEmpty()) {
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room.close();
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this.rooms.delete(socket.roomId);
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debug("Room %s is empty. Deleting.", socket.roomId);
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}
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} else {
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console.error("Could not find the GameRoom the user is leaving!");
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}
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//user leave previous room
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//Client.leave(Client.roomId);
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} finally {
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//delete Client.roomId;
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clientEventsEmitter.emitClientLeave(socket.userUuid, socket.roomId);
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console.log("A user left");
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}
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}
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} finally {
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if (socket.backConnection) {
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socket.backConnection.end();
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}
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}
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}
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async getOrCreateRoom(roomUrl: string): Promise<PusherRoom> {
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//check and create new world for a room
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let room = this.rooms.get(roomUrl);
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if (room === undefined) {
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room = new PusherRoom(roomUrl, this);
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if (ADMIN_API_URL) {
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await this.updateRoomWithAdminData(room);
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}
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await room.init();
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this.rooms.set(roomUrl, room);
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}
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return room;
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}
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public async updateRoomWithAdminData(room: PusherRoom): Promise<void> {
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const data = await adminApi.fetchMapDetails(room.roomUrl);
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if (isRoomRedirect(data)) {
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// TODO: if the updated room data is actually a redirect, we need to take everybody on the map
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// and redirect everybody to the new location (so we need to close the connection for everybody)
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} else {
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room.tags = data.tags;
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room.policyType = Number(data.policy_type);
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}
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}
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public getWorlds(): Map<string, PusherRoom> {
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return this.rooms;
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}
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public handleQueryJitsiJwtMessage(client: ExSocketInterface, queryJitsiJwtMessage: QueryJitsiJwtMessage) {
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try {
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const room = queryJitsiJwtMessage.getJitsiroom();
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const tag = queryJitsiJwtMessage.getTag(); // FIXME: this is not secure. We should load the JSON for the current room and check rights associated to room instead.
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if (SECRET_JITSI_KEY === "") {
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throw new Error(
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"You must set the SECRET_JITSI_KEY key to the secret to generate JWT tokens for Jitsi."
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);
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}
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// Let's see if the current client has
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const isAdmin = client.tags.includes(tag);
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const jwt = Jwt.sign(
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{
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aud: "jitsi",
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iss: JITSI_ISS,
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sub: JITSI_URL,
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room: room,
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moderator: isAdmin,
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},
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SECRET_JITSI_KEY,
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{
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expiresIn: "1d",
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algorithm: "HS256",
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header: {
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alg: "HS256",
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typ: "JWT",
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},
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}
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);
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const sendJitsiJwtMessage = new SendJitsiJwtMessage();
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sendJitsiJwtMessage.setJitsiroom(room);
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sendJitsiJwtMessage.setJwt(jwt);
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setSendjitsijwtmessage(sendJitsiJwtMessage);
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client.send(serverToClientMessage.serializeBinary().buffer, true);
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} catch (e) {
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console.error("An error occurred while generating the Jitsi JWT token: ", e);
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}
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}
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public async emitSendUserMessage(userUuid: string, message: string, type: string, roomId: string) {
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/*const client = this.searchClientByUuid(userUuid);
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if(client) {
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const adminMessage = new SendUserMessage();
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adminMessage.setMessage(message);
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adminMessage.setType(type);
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setSendusermessage(adminMessage);
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client.backConnection.write(pusherToBackMessage);
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return;
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}*/
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const backConnection = await apiClientRepository.getClient(roomId);
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const backAdminMessage = new AdminMessage();
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backAdminMessage.setMessage(message);
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backAdminMessage.setRoomid(roomId);
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backAdminMessage.setRecipientuuid(userUuid);
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backAdminMessage.setType(type);
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backConnection.sendAdminMessage(backAdminMessage, (error) => {
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if (error !== null) {
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console.error("Error while sending admin message", error);
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}
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});
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}
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public async emitBan(userUuid: string, message: string, type: string, roomId: string) {
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/*const client = this.searchClientByUuid(userUuid);
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if(client) {
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const banUserMessage = new BanUserMessage();
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banUserMessage.setMessage(message);
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banUserMessage.setType(type);
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const pusherToBackMessage = new PusherToBackMessage();
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pusherToBackMessage.setBanusermessage(banUserMessage);
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client.backConnection.write(pusherToBackMessage);
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return;
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}*/
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const backConnection = await apiClientRepository.getClient(roomId);
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const banMessage = new BanMessage();
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banMessage.setMessage(message);
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banMessage.setRoomid(roomId);
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banMessage.setRecipientuuid(userUuid);
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banMessage.setType(type);
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backConnection.ban(banMessage, (error) => {
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if (error !== null) {
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console.error("Error while sending admin message", error);
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}
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});
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}
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/**
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* Merges the characterLayers received from the front (as an array of string) with the custom textures from the back.
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*/
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static mergeCharacterLayersAndCustomTextures(
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characterLayers: string[],
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memberTextures: CharacterTexture[]
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): CharacterLayer[] {
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const characterLayerObjs: CharacterLayer[] = [];
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for (const characterLayer of characterLayers) {
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if (characterLayer.startsWith("customCharacterTexture")) {
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const customCharacterLayerId: number = +characterLayer.substr(22);
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for (const memberTexture of memberTextures) {
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if (memberTexture.id == customCharacterLayerId) {
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characterLayerObjs.push({
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name: characterLayer,
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url: memberTexture.url,
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});
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break;
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}
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|
}
|
|
} else {
|
|
characterLayerObjs.push({
|
|
name: characterLayer,
|
|
url: undefined,
|
|
});
|
|
}
|
|
}
|
|
return characterLayerObjs;
|
|
}
|
|
|
|
public onUserEnters(user: UserDescriptor, listener: ExSocketInterface): void {
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUserjoinedmessage(user.toUserJoinedMessage());
|
|
|
|
emitInBatch(listener, subMessage);
|
|
}
|
|
|
|
public onUserMoves(user: UserDescriptor, listener: ExSocketInterface): void {
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUsermovedmessage(user.toUserMovedMessage());
|
|
|
|
emitInBatch(listener, subMessage);
|
|
}
|
|
|
|
public onUserLeaves(userId: number, listener: ExSocketInterface): void {
|
|
const userLeftMessage = new UserLeftMessage();
|
|
userLeftMessage.setUserid(userId);
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUserleftmessage(userLeftMessage);
|
|
|
|
emitInBatch(listener, subMessage);
|
|
}
|
|
|
|
public onGroupEnters(group: GroupDescriptor, listener: ExSocketInterface): void {
|
|
const subMessage = new SubMessage();
|
|
subMessage.setGroupupdatemessage(group.toGroupUpdateMessage());
|
|
|
|
emitInBatch(listener, subMessage);
|
|
}
|
|
|
|
public onGroupMoves(group: GroupDescriptor, listener: ExSocketInterface): void {
|
|
this.onGroupEnters(group, listener);
|
|
}
|
|
|
|
public onGroupLeaves(groupId: number, listener: ExSocketInterface): void {
|
|
const groupDeleteMessage = new GroupDeleteMessage();
|
|
groupDeleteMessage.setGroupid(groupId);
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setGroupdeletemessage(groupDeleteMessage);
|
|
|
|
emitInBatch(listener, subMessage);
|
|
}
|
|
|
|
public emitWorldFullMessage(client: WebSocket) {
|
|
const errorMessage = new WorldFullMessage();
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setWorldfullmessage(errorMessage);
|
|
|
|
if (!client.disconnecting) {
|
|
client.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
}
|
|
|
|
public emitTokenExpiredMessage(client: WebSocket) {
|
|
const errorMessage = new TokenExpiredMessage();
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setTokenexpiredmessage(errorMessage);
|
|
|
|
if (!client.disconnecting) {
|
|
client.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
}
|
|
|
|
public emitConnexionErrorMessage(client: WebSocket, message: string) {
|
|
const errorMessage = new WorldConnexionMessage();
|
|
errorMessage.setMessage(message);
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setWorldconnexionmessage(errorMessage);
|
|
|
|
client.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
|
|
private refreshRoomData(roomId: string, versionNumber: number): void {
|
|
const room = this.rooms.get(roomId);
|
|
//this function is run for every users connected to the room, so we need to make sure the room wasn't already refreshed.
|
|
if (!room || !room.needsUpdate(versionNumber)) return;
|
|
|
|
this.updateRoomWithAdminData(room);
|
|
}
|
|
|
|
handleEmotePromptMessage(client: ExSocketInterface, emoteEventmessage: EmotePromptMessage) {
|
|
const pusherToBackMessage = new PusherToBackMessage();
|
|
pusherToBackMessage.setEmotepromptmessage(emoteEventmessage);
|
|
|
|
client.backConnection.write(pusherToBackMessage);
|
|
}
|
|
|
|
public async emitPlayGlobalMessage(
|
|
client: ExSocketInterface,
|
|
playGlobalMessageEvent: PlayGlobalMessage
|
|
): Promise<void> {
|
|
if (!client.tags.includes("admin")) {
|
|
throw "Client is not an admin!";
|
|
}
|
|
|
|
const clientRoomUrl = client.roomId;
|
|
let tabUrlRooms: string[];
|
|
|
|
if (playGlobalMessageEvent.getBroadcasttoworld()) {
|
|
tabUrlRooms = await adminApi.getUrlRoomsFromSameWorld(clientRoomUrl);
|
|
} else {
|
|
tabUrlRooms = [clientRoomUrl];
|
|
}
|
|
|
|
const roomMessage = new AdminRoomMessage();
|
|
roomMessage.setMessage(playGlobalMessageEvent.getContent());
|
|
roomMessage.setType(playGlobalMessageEvent.getType());
|
|
|
|
for (const roomUrl of tabUrlRooms) {
|
|
const apiRoom = await apiClientRepository.getClient(roomUrl);
|
|
roomMessage.setRoomid(roomUrl);
|
|
apiRoom.sendAdminMessageToRoom(roomMessage, (response) => {
|
|
return;
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
export const socketManager = new SocketManager();
|