441 lines
21 KiB
TypeScript
441 lines
21 KiB
TypeScript
import { CharacterLayer, ExSocketInterface } from "../Model/Websocket/ExSocketInterface"; //TODO fix import by "_Model/.."
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import { GameRoomPolicyTypes } from "../Model/PusherRoom";
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import { PointInterface } from "../Model/Websocket/PointInterface";
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import {
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SetPlayerDetailsMessage,
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SubMessage,
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BatchMessage,
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ItemEventMessage,
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ViewportMessage,
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ClientToServerMessage,
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SilentMessage,
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WebRtcSignalToServerMessage,
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PlayGlobalMessage,
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ReportPlayerMessage,
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QueryJitsiJwtMessage,
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SendUserMessage,
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ServerToClientMessage,
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CompanionMessage,
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EmotePromptMessage,
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VariableMessage,
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} from "../Messages/generated/messages_pb";
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import { UserMovesMessage } from "../Messages/generated/messages_pb";
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import { TemplatedApp } from "uWebSockets.js";
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import { parse } from "query-string";
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import { jwtTokenManager, tokenInvalidException } from "../Services/JWTTokenManager";
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import { adminApi, FetchMemberDataByUuidResponse } from "../Services/AdminApi";
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import { SocketManager, socketManager } from "../Services/SocketManager";
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import { emitInBatch } from "../Services/IoSocketHelpers";
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import { ADMIN_API_TOKEN, ADMIN_API_URL, SOCKET_IDLE_TIMER } from "../Enum/EnvironmentVariable";
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import { Zone } from "_Model/Zone";
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import { ExAdminSocketInterface } from "_Model/Websocket/ExAdminSocketInterface";
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import { v4 } from "uuid";
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import { CharacterTexture } from "../Services/AdminApi/CharacterTexture";
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export class IoSocketController {
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private nextUserId: number = 1;
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constructor(private readonly app: TemplatedApp) {
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this.ioConnection();
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this.adminRoomSocket();
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}
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adminRoomSocket() {
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this.app.ws("/admin/rooms", {
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upgrade: (res, req, context) => {
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const query = parse(req.getQuery());
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const websocketKey = req.getHeader("sec-websocket-key");
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const websocketProtocol = req.getHeader("sec-websocket-protocol");
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const websocketExtensions = req.getHeader("sec-websocket-extensions");
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const token = query.token;
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if (token !== ADMIN_API_TOKEN) {
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console.log("Admin access refused for token: " + token);
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res.writeStatus("401 Unauthorized").end("Incorrect token");
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return;
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}
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const roomId = query.roomId;
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if (typeof roomId !== "string") {
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console.error("Received");
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res.writeStatus("400 Bad Request").end("Missing room id");
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return;
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}
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res.upgrade({ roomId }, websocketKey, websocketProtocol, websocketExtensions, context);
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},
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open: (ws) => {
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console.log("Admin socket connect for room: " + ws.roomId);
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ws.disconnecting = false;
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socketManager.handleAdminRoom(ws as ExAdminSocketInterface, ws.roomId as string);
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},
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message: (ws, arrayBuffer, isBinary): void => {
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try {
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const roomId = ws.roomId as string;
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//TODO refactor message type and data
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const message: { event: string; message: { type: string; message: unknown; userUuid: string } } =
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JSON.parse(new TextDecoder("utf-8").decode(new Uint8Array(arrayBuffer)));
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if (message.event === "user-message") {
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const messageToEmit = message.message as { message: string; type: string; userUuid: string };
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if (messageToEmit.type === "banned") {
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socketManager.emitBan(
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messageToEmit.userUuid,
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messageToEmit.message,
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messageToEmit.type,
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ws.roomId as string
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);
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}
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if (messageToEmit.type === "ban") {
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socketManager.emitSendUserMessage(
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messageToEmit.userUuid,
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messageToEmit.message,
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messageToEmit.type,
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ws.roomId as string
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);
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}
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}
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} catch (err) {
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console.error(err);
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}
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},
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close: (ws, code, message) => {
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const Client = ws as ExAdminSocketInterface;
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try {
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Client.disconnecting = true;
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socketManager.leaveAdminRoom(Client);
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} catch (e) {
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console.error('An error occurred on admin "disconnect"');
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console.error(e);
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}
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},
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});
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}
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ioConnection() {
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this.app.ws("/room", {
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/* Options */
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//compression: uWS.SHARED_COMPRESSOR,
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idleTimeout: SOCKET_IDLE_TIMER,
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maxPayloadLength: 16 * 1024 * 1024,
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maxBackpressure: 65536, // Maximum 64kB of data in the buffer.
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//idleTimeout: 10,
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upgrade: (res, req, context) => {
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(async () => {
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/* Keep track of abortions */
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const upgradeAborted = { aborted: false };
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res.onAborted(() => {
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/* We can simply signal that we were aborted */
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upgradeAborted.aborted = true;
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});
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const url = req.getUrl();
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const query = parse(req.getQuery());
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const websocketKey = req.getHeader("sec-websocket-key");
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const websocketProtocol = req.getHeader("sec-websocket-protocol");
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const websocketExtensions = req.getHeader("sec-websocket-extensions");
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const IPAddress = req.getHeader("x-forwarded-for");
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const roomId = query.roomId;
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try {
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if (typeof roomId !== "string") {
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throw new Error("Undefined room ID: ");
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}
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const token = query.token;
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const x = Number(query.x);
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const y = Number(query.y);
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const top = Number(query.top);
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const bottom = Number(query.bottom);
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const left = Number(query.left);
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const right = Number(query.right);
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const name = query.name;
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let companion: CompanionMessage | undefined = undefined;
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if (typeof query.companion === "string") {
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companion = new CompanionMessage();
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companion.setName(query.companion);
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}
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if (typeof name !== "string") {
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throw new Error("Expecting name");
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}
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if (name === "") {
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throw new Error("No empty name");
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}
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let characterLayers = query.characterLayers;
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if (characterLayers === null) {
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throw new Error("Expecting skin");
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}
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if (typeof characterLayers === "string") {
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characterLayers = [characterLayers];
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}
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const tokenData =
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token && typeof token === "string" ? jwtTokenManager.decodeJWTToken(token) : null;
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const userIdentifier = tokenData ? tokenData.identifier : "";
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let memberTags: string[] = [];
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let memberVisitCardUrl: string | null = null;
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let memberMessages: unknown;
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let memberTextures: CharacterTexture[] = [];
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const room = await socketManager.getOrCreateRoom(roomId);
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let userData: FetchMemberDataByUuidResponse = {
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userUuid: userIdentifier,
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tags: [],
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visitCardUrl: null,
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textures: [],
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messages: [],
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anonymous: true,
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};
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if (ADMIN_API_URL) {
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try {
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try {
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userData = await adminApi.fetchMemberDataByUuid(userIdentifier, roomId, IPAddress);
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} catch (err) {
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if (err?.response?.status == 404) {
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// If we get an HTTP 404, the token is invalid. Let's perform an anonymous login!
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console.warn(
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'Cannot find user with email "' +
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(userIdentifier || "anonymous") +
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'". Performing an anonymous login instead.'
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);
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} else if (err?.response?.status == 403) {
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// If we get an HTTP 403, the world is full. We need to broadcast a special error to the client.
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// we finish immediately the upgrade then we will close the socket as soon as it starts opening.
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return res.upgrade(
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{
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rejected: true,
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message: err?.response?.data.message,
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status: err?.response?.status,
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},
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websocketKey,
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websocketProtocol,
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websocketExtensions,
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context
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);
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} else {
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throw err;
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}
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}
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memberMessages = userData.messages;
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memberTags = userData.tags;
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memberVisitCardUrl = userData.visitCardUrl;
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memberTextures = userData.textures;
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if (
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room.policyType === GameRoomPolicyTypes.USE_TAGS_POLICY &&
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(userData.anonymous === true || !room.canAccess(memberTags))
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) {
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throw new Error("Insufficient privileges to access this room");
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}
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if (
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room.policyType === GameRoomPolicyTypes.MEMBERS_ONLY_POLICY &&
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userData.anonymous === true
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) {
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throw new Error("Use the login URL to connect");
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}
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} catch (e) {
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console.log(
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"access not granted for user " +
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(userIdentifier || "anonymous") +
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" and room " +
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roomId
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);
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console.error(e);
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throw new Error("User cannot access this world");
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}
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}
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// Generate characterLayers objects from characterLayers string[]
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const characterLayerObjs: CharacterLayer[] =
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SocketManager.mergeCharacterLayersAndCustomTextures(characterLayers, memberTextures);
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if (upgradeAborted.aborted) {
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console.log("Ouch! Client disconnected before we could upgrade it!");
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/* You must not upgrade now */
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return;
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}
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/* This immediately calls open handler, you must not use res after this call */
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res.upgrade(
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{
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// Data passed here is accessible on the "websocket" socket object.
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url,
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token,
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userUuid: userData.userUuid,
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IPAddress,
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roomId,
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name,
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companion,
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characterLayers: characterLayerObjs,
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messages: memberMessages,
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tags: memberTags,
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visitCardUrl: memberVisitCardUrl,
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textures: memberTextures,
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position: {
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x: x,
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y: y,
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direction: "down",
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moving: false,
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} as PointInterface,
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viewport: {
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top,
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right,
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bottom,
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left,
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},
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},
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/* Spell these correctly */
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websocketKey,
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websocketProtocol,
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websocketExtensions,
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context
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);
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} catch (e) {
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res.upgrade(
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{
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rejected: true,
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reason: e.reason || null,
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message: e.message ? e.message : "500 Internal Server Error",
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},
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websocketKey,
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websocketProtocol,
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websocketExtensions,
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context
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);
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}
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})();
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},
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/* Handlers */
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open: (ws) => {
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if (ws.rejected === true) {
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//FIX ME to use status code
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if (ws.reason === tokenInvalidException) {
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socketManager.emitTokenExpiredMessage(ws);
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} else if (ws.message === "World is full") {
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socketManager.emitWorldFullMessage(ws);
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} else {
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socketManager.emitConnexionErrorMessage(ws, ws.message as string);
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}
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setTimeout(() => ws.close(), 0);
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return;
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}
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// Let's join the room
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const client = this.initClient(ws);
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socketManager.handleJoinRoom(client);
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//get data information and show messages
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if (client.messages && Array.isArray(client.messages)) {
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client.messages.forEach((c: unknown) => {
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const messageToSend = c as { type: string; message: string };
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const sendUserMessage = new SendUserMessage();
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sendUserMessage.setType(messageToSend.type);
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sendUserMessage.setMessage(messageToSend.message);
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setSendusermessage(sendUserMessage);
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if (!client.disconnecting) {
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client.send(serverToClientMessage.serializeBinary().buffer, true);
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}
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});
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}
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},
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message: (ws, arrayBuffer, isBinary): void => {
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const client = ws as ExSocketInterface;
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const message = ClientToServerMessage.deserializeBinary(new Uint8Array(arrayBuffer));
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if (message.hasViewportmessage()) {
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socketManager.handleViewport(client, (message.getViewportmessage() as ViewportMessage).toObject());
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} else if (message.hasUsermovesmessage()) {
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socketManager.handleUserMovesMessage(client, message.getUsermovesmessage() as UserMovesMessage);
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} else if (message.hasSetplayerdetailsmessage()) {
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socketManager.handleSetPlayerDetails(
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client,
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message.getSetplayerdetailsmessage() as SetPlayerDetailsMessage
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);
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} else if (message.hasSilentmessage()) {
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socketManager.handleSilentMessage(client, message.getSilentmessage() as SilentMessage);
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} else if (message.hasItemeventmessage()) {
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socketManager.handleItemEvent(client, message.getItemeventmessage() as ItemEventMessage);
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} else if (message.hasVariablemessage()) {
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socketManager.handleVariableEvent(client, message.getVariablemessage() as VariableMessage);
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} else if (message.hasWebrtcsignaltoservermessage()) {
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socketManager.emitVideo(
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client,
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message.getWebrtcsignaltoservermessage() as WebRtcSignalToServerMessage
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);
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} else if (message.hasWebrtcscreensharingsignaltoservermessage()) {
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socketManager.emitScreenSharing(
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client,
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message.getWebrtcscreensharingsignaltoservermessage() as WebRtcSignalToServerMessage
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);
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} else if (message.hasPlayglobalmessage()) {
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socketManager.emitPlayGlobalMessage(client, message.getPlayglobalmessage() as PlayGlobalMessage);
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} else if (message.hasReportplayermessage()) {
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socketManager.handleReportMessage(client, message.getReportplayermessage() as ReportPlayerMessage);
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} else if (message.hasQueryjitsijwtmessage()) {
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socketManager.handleQueryJitsiJwtMessage(
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client,
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message.getQueryjitsijwtmessage() as QueryJitsiJwtMessage
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);
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} else if (message.hasEmotepromptmessage()) {
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socketManager.handleEmotePromptMessage(
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client,
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message.getEmotepromptmessage() as EmotePromptMessage
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);
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}
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/* Ok is false if backpressure was built up, wait for drain */
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//let ok = ws.send(message, isBinary);
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},
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drain: (ws) => {
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console.log("WebSocket backpressure: " + ws.getBufferedAmount());
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},
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close: (ws, code, message) => {
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const Client = ws as ExSocketInterface;
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try {
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Client.disconnecting = true;
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//leave room
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socketManager.leaveRoom(Client);
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} catch (e) {
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console.error('An error occurred on "disconnect"');
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console.error(e);
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}
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},
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});
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}
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//eslint-disable-next-line @typescript-eslint/no-explicit-any
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private initClient(ws: any): ExSocketInterface {
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const client: ExSocketInterface = ws;
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client.userId = this.nextUserId;
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this.nextUserId++;
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client.userUuid = ws.userUuid;
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client.IPAddress = ws.IPAddress;
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client.token = ws.token;
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client.batchedMessages = new BatchMessage();
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client.batchTimeout = null;
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client.emitInBatch = (payload: SubMessage): void => {
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emitInBatch(client, payload);
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};
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client.disconnecting = false;
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client.messages = ws.messages;
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client.name = ws.name;
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client.tags = ws.tags;
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client.visitCardUrl = ws.visitCardUrl;
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client.textures = ws.textures;
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client.characterLayers = ws.characterLayers;
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client.companion = ws.companion;
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client.roomId = ws.roomId;
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client.listenedZones = new Set<Zone>();
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return client;
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}
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}
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