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Extracting FileController into a Uploader container

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This commit is contained in:
David Négrier 2020-12-09 21:29:29 +01:00
parent 25f9662b3c
commit bf797085e6
37 changed files with 4856 additions and 9 deletions
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16
uploader/src/App.ts Normal file
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// lib/app.ts
import {FileController} from "./Controller/FileController";
import {App as uwsApp} from "./Server/sifrr.server";
class App {
public app: uwsApp;
public fileController: FileController;
constructor() {
this.app = new uwsApp();
this.fileController = new FileController(this.app);
}
}
export default new App().app;

10
uploader/src/Controller/BaseController.ts Normal file
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import {HttpRequest, HttpResponse} from "uWebSockets.js";
export class BaseController {
protected addCorsHeaders(res: HttpResponse): void {
res.writeHeader('access-control-allow-headers', 'Origin, X-Requested-With, Content-Type, Accept');
res.writeHeader('access-control-allow-methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
res.writeHeader('access-control-allow-origin', '*');
}
}

161
uploader/src/Controller/FileController.ts Normal file
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import {App} from "../Server/sifrr.server";
import {v4} from "uuid";
import {HttpRequest, HttpResponse} from "uWebSockets.js";
import {BaseController} from "./BaseController";
import { Readable } from 'stream'
interface UploadedFileBuffer {
buffer: Buffer,
expireDate: Date
}
export class FileController extends BaseController {
private uploadedFileBuffers: Map<string, UploadedFileBuffer> = new Map<string, UploadedFileBuffer>();
constructor(private App : App) {
super();
this.App = App;
this.uploadAudioMessage();
this.downloadAudioMessage();
// Cleanup every 1 minute
setInterval(this.cleanup.bind(this), 60000);
}
/**
* Clean memory from old files
*/
cleanup(): void {
const now = new Date();
for (const [id, file] of this.uploadedFileBuffers) {
if (file.expireDate < now) {
this.uploadedFileBuffers.delete(id);
}
}
}
uploadAudioMessage(){
this.App.options("/upload-audio-message", (res: HttpResponse, req: HttpRequest) => {
this.addCorsHeaders(res);
res.end();
});
this.App.post("/upload-audio-message", (res: HttpResponse, req: HttpRequest) => {
(async () => {
res.onAborted(() => {
console.warn('upload-audio-message request was aborted');
})
try {
const audioMessageId = v4();
const params = await res.formData({
onFile: (fieldname: string,
file: NodeJS.ReadableStream,
filename: string,
encoding: string,
mimetype: string) => {
(async () => {
console.log('READING FILE', fieldname)
const chunks: Buffer[] = []
for await (const chunk of file) {
if (!(chunk instanceof Buffer)) {
throw new Error('Unexpected chunk');
}
chunks.push(chunk)
}
// Let's expire in 1 minute.
const expireDate = new Date();
expireDate.setMinutes(expireDate.getMinutes() + 1);
this.uploadedFileBuffers.set(audioMessageId, {
buffer: Buffer.concat(chunks),
expireDate
});
})();
}
});
res.writeStatus("200 OK");
this.addCorsHeaders(res);
res.end(JSON.stringify({
id: audioMessageId,
path: `/download-audio-message/${audioMessageId}`
}));
} catch (e) {
console.log("An error happened", e)
res.writeStatus(e.status || "500 Internal Server Error");
this.addCorsHeaders(res);
res.end('An error happened');
}
})();
});
}
downloadAudioMessage(){
this.App.options("/download-audio-message/*", (res: HttpResponse, req: HttpRequest) => {
this.addCorsHeaders(res);
res.end();
});
this.App.get("/download-audio-message/:id", (res: HttpResponse, req: HttpRequest) => {
res.onAborted(() => {
console.warn('download-audio-message request was aborted');
})
const id = req.getParameter(0);
const file = this.uploadedFileBuffers.get(id);
if (file === undefined) {
res.writeStatus("404 Not found");
this.addCorsHeaders(res);
res.end("Cannot find file");
return;
}
const readable = new Readable()
readable._read = () => {} // _read is required but you can noop it
readable.push(file.buffer);
readable.push(null);
const size = file.buffer.byteLength;
res.writeStatus("200 OK");
readable.on('data', buffer => {
const chunk = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength),
lastOffset = res.getWriteOffset();
// First try
const [ok, done] = res.tryEnd(chunk, size);
if (done) {
readable.destroy();
} else if (!ok) {
// pause because backpressure
readable.pause();
// Save unsent chunk for later
res.ab = chunk;
res.abOffset = lastOffset;
// Register async handlers for drainage
res.onWritable(offset => {
const [ok, done] = res.tryEnd(res.ab.slice(offset - res.abOffset), size);
if (done) {
readable.destroy();
} else if (ok) {
readable.resume();
}
return ok;
});
}
});
});
}
}

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uploader/src/Server/server/app.ts Normal file
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import { App as _App, AppOptions } from 'uWebSockets.js';
import BaseApp from './baseapp';
import { extend } from './utils';
import { UwsApp } from './types';
class App extends (<UwsApp>_App) {
constructor(options: AppOptions = {}) {
super(options); // eslint-disable-line constructor-super
extend(this, new BaseApp());
}
}
export default App;

116
uploader/src/Server/server/baseapp.ts Normal file
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import { Readable } from 'stream';
import { us_listen_socket_close, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
import formData from './formdata';
import { stob } from './utils';
import { Handler } from './types';
import {join} from "path";
const contTypes = ['application/x-www-form-urlencoded', 'multipart/form-data'];
const noOp = () => true;
const handleBody = (res: HttpResponse, req: HttpRequest) => {
const contType = req.getHeader('content-type');
res.bodyStream = function() {
const stream = new Readable();
stream._read = noOp; // eslint-disable-line @typescript-eslint/unbound-method
this.onData((ab: ArrayBuffer, isLast: boolean) => {
// uint and then slicing is bit faster than slice and then uint
stream.push(new Uint8Array(ab.slice((ab as any).byteOffset, ab.byteLength))); // eslint-disable-line @typescript-eslint/no-explicit-any
if (isLast) {
stream.push(null);
}
});
return stream;
};
res.body = () => stob(res.bodyStream());
if (contType.includes('application/json'))
res.json = async () => JSON.parse(await res.body());
if (contTypes.map(t => contType.includes(t)).includes(true))
res.formData = formData.bind(res, contType);
};
class BaseApp {
_sockets = new Map();
ws!: TemplatedApp['ws'];
get!: TemplatedApp['get'];
_post!: TemplatedApp['post'];
_put!: TemplatedApp['put'];
_patch!: TemplatedApp['patch'];
_listen!: TemplatedApp['listen'];
post(pattern: string, handler: Handler) {
if (typeof handler !== 'function')
throw Error(`handler should be a function, given ${typeof handler}.`);
this._post(pattern, (res, req) => {
handleBody(res, req);
handler(res, req);
});
return this;
}
put(pattern: string, handler: Handler) {
if (typeof handler !== 'function')
throw Error(`handler should be a function, given ${typeof handler}.`);
this._put(pattern, (res, req) => {
handleBody(res, req);
handler(res, req);
});
return this;
}
patch(pattern: string, handler: Handler) {
if (typeof handler !== 'function')
throw Error(`handler should be a function, given ${typeof handler}.`);
this._patch(pattern, (res, req) => {
handleBody(res, req);
handler(res, req);
});
return this;
}
listen(h: string | number, p: Function | number = noOp, cb?: Function) {
if (typeof p === 'number' && typeof h === 'string') {
this._listen(h, p, socket => {
this._sockets.set(p, socket);
if (cb === undefined) {
throw new Error('cb undefined');
}
cb(socket);
});
} else if (typeof h === 'number' && typeof p === 'function') {
this._listen(h, socket => {
this._sockets.set(h, socket);
p(socket);
});
} else {
throw Error(
'Argument types: (host: string, port: number, cb?: Function) | (port: number, cb?: Function)'
);
}
return this;
}
close(port: null | number = null) {
if (port) {
this._sockets.has(port) && us_listen_socket_close(this._sockets.get(port));
this._sockets.delete(port);
} else {
this._sockets.forEach(app => {
us_listen_socket_close(app);
});
this._sockets.clear();
}
return this;
}
}
export default BaseApp;

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uploader/src/Server/server/formdata.ts Normal file
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import { createWriteStream } from 'fs';
import { join, dirname } from 'path';
import Busboy from 'busboy';
import mkdirp from 'mkdirp';
function formData(
contType: string,
options: busboy.BusboyConfig & {
abortOnLimit?: boolean;
tmpDir?: string;
onFile?: (
fieldname: string,
file: NodeJS.ReadableStream,
filename: string,
encoding: string,
mimetype: string
) => string;
onField?: (fieldname: string, value: any) => void; // eslint-disable-line @typescript-eslint/no-explicit-any
filename?: (oldName: string) => string;
} = {}
) {
console.log('Enter form data');
options.headers = {
'content-type': contType
};
return new Promise((resolve, reject) => {
const busb = new Busboy(options);
const ret = {};
this.bodyStream().pipe(busb);
busb.on('limit', () => {
if (options.abortOnLimit) {
reject(Error('limit'));
}
});
busb.on('file', function(fieldname, file, filename, encoding, mimetype) {
const value: { filePath: string|undefined, filename: string, encoding:string, mimetype: string } = {
filename,
encoding,
mimetype,
filePath: undefined
};
if (typeof options.tmpDir === 'string') {
if (typeof options.filename === 'function') filename = options.filename(filename);
const fileToSave = join(options.tmpDir, filename);
mkdirp(dirname(fileToSave));
file.pipe(createWriteStream(fileToSave));
value.filePath = fileToSave;
}
if (typeof options.onFile === 'function') {
value.filePath =
options.onFile(fieldname, file, filename, encoding, mimetype) || value.filePath;
}
setRetValue(ret, fieldname, value);
});
busb.on('field', function(fieldname, value) {
if (typeof options.onField === 'function') options.onField(fieldname, value);
setRetValue(ret, fieldname, value);
});
busb.on('finish', function() {
resolve(ret);
});
busb.on('error', reject);
});
}
function setRetValue(
ret: { [x: string]: any }, // eslint-disable-line @typescript-eslint/no-explicit-any
fieldname: string,
value: { filename: string; encoding: string; mimetype: string; filePath?: string } | any // eslint-disable-line @typescript-eslint/no-explicit-any
) {
if (fieldname.endsWith('[]')) {
fieldname = fieldname.slice(0, fieldname.length - 2);
if (Array.isArray(ret[fieldname])) {
ret[fieldname].push(value);
} else {
ret[fieldname] = [value];
}
} else {
if (Array.isArray(ret[fieldname])) {
ret[fieldname].push(value);
} else if (ret[fieldname]) {
ret[fieldname] = [ret[fieldname], value];
} else {
ret[fieldname] = value;
}
}
}
export default formData;

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uploader/src/Server/server/sslapp.ts Normal file
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import { SSLApp as _SSLApp, AppOptions } from 'uWebSockets.js';
import BaseApp from './baseapp';
import { extend } from './utils';
import { UwsApp } from './types';
class SSLApp extends (<UwsApp>_SSLApp) {
constructor(options: AppOptions) {
super(options); // eslint-disable-line constructor-super
extend(this, new BaseApp());
}
}
export default SSLApp;

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uploader/src/Server/server/types.ts Normal file
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import { AppOptions, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
export type UwsApp = {
(options: AppOptions): TemplatedApp;
new (options: AppOptions): TemplatedApp;
prototype: TemplatedApp;
};
export type Handler = (res: HttpResponse, req: HttpRequest) => void;
export {};

37
uploader/src/Server/server/utils.ts Normal file
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import { ReadStream } from 'fs';
function extend(who: any, from: any, overwrite = true) { // eslint-disable-line @typescript-eslint/no-explicit-any
const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(
Object.keys(from)
);
ownProps.forEach(prop => {
if (prop === 'constructor' || from[prop] === undefined) return;
if (who[prop] && overwrite) {
who[`_${prop}`] = who[prop];
}
if (typeof from[prop] === 'function') who[prop] = from[prop].bind(who);
else who[prop] = from[prop];
});
}
function stob(stream: ReadStream): Promise<Buffer> {
return new Promise(resolve => {
const buffers: Buffer[] = [];
stream.on('data', buffers.push.bind(buffers));
stream.on('end', () => {
switch (buffers.length) {
case 0:
resolve(Buffer.allocUnsafe(0));
break;
case 1:
resolve(buffers[0]);
break;
default:
resolve(Buffer.concat(buffers));
}
});
});
}
export { extend, stob };

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uploader/src/Server/sifrr.server.ts Normal file
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import { parse } from 'query-string';
import { HttpRequest } from 'uWebSockets.js';
import App from './server/app';
import SSLApp from './server/sslapp';
import * as types from './server/types';
const getQuery = (req: HttpRequest) => {
return parse(req.getQuery());
};
export { App, SSLApp, getQuery };
export * from './server/types';
export default {
App,
SSLApp,
getQuery,
...types
};

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uploader/src/Services/AdminApi.ts Normal file
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import {ADMIN_API_TOKEN, ADMIN_API_URL} from "../Enum/EnvironmentVariable";
import Axios from "axios";
import {v4} from "uuid";
export interface AdminApiData {
organizationSlug: string
worldSlug: string
roomSlug: string
mapUrlStart: string
tags: string[]
policy_type: number
userUuid: string
messages?: unknown[],
textures: CharacterTexture[]
}
export interface CharacterTexture {
id: number,
level: number,
url: string,
rights: string
}
export interface FetchMemberDataByUuidResponse {
uuid: string;
tags: string[];
textures: CharacterTexture[];
messages: unknown[];
}
class AdminApi {
async fetchMapDetails(organizationSlug: string, worldSlug: string, roomSlug: string|undefined): Promise<AdminApiData> {
if (!ADMIN_API_URL) {
return Promise.reject('No admin backoffice set!');
}
const params: { organizationSlug: string, worldSlug: string, roomSlug?: string } = {
organizationSlug,
worldSlug
};
if (roomSlug) {
params.roomSlug = roomSlug;
}
const res = await Axios.get(ADMIN_API_URL + '/api/map',
{
headers: {"Authorization": `${ADMIN_API_TOKEN}`},
params
}
)
return res.data;
}
async fetchMemberDataByUuid(uuid: string): Promise<FetchMemberDataByUuidResponse> {
if (!ADMIN_API_URL) {
return Promise.reject('No admin backoffice set!');
}
try {
const res = await Axios.get(ADMIN_API_URL+'/api/membership/'+uuid,
{ headers: {"Authorization" : `${ADMIN_API_TOKEN}`} }
)
return res.data;
} catch (e) {
if (e?.response?.status == 404) {
// If we get an HTTP 404, the token is invalid. Let's perform an anonymous login!
console.warn('Cannot find user with uuid "'+uuid+'". Performing an anonymous login instead.');
return {
uuid: v4(),
tags: [],
textures: [],
messages: [],
}
} else {
throw e;
}
}
}
async fetchMemberDataByToken(organizationMemberToken: string): Promise<AdminApiData> {
if (!ADMIN_API_URL) {
return Promise.reject('No admin backoffice set!');
}
//todo: this call can fail if the corresponding world is not activated or if the token is invalid. Handle that case.
const res = await Axios.get(ADMIN_API_URL+'/api/login-url/'+organizationMemberToken,
{ headers: {"Authorization" : `${ADMIN_API_TOKEN}`} }
)
return res.data;
}
async fetchCheckUserByToken(organizationMemberToken: string): Promise<AdminApiData> {
if (!ADMIN_API_URL) {
return Promise.reject('No admin backoffice set!');
}
//todo: this call can fail if the corresponding world is not activated or if the token is invalid. Handle that case.
const res = await Axios.get(ADMIN_API_URL+'/api/check-user/'+organizationMemberToken,
{ headers: {"Authorization" : `${ADMIN_API_TOKEN}`} }
)
return res.data;
}
reportPlayer(reportedUserUuid: string, reportedUserComment: string, reporterUserUuid: string) {
return Axios.post(`${ADMIN_API_URL}/api/report`, {
reportedUserUuid,
reportedUserComment,
reporterUserUuid,
},
{
headers: {"Authorization": `${ADMIN_API_TOKEN}`}
});
}
}
export const adminApi = new AdminApi();

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uploader/src/Services/ApiClientRepository.ts Normal file
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/**
* A class to get connections to the correct "api" server given a room name.
*/
import {RoomManagerClient} from "../Messages/generated/messages_grpc_pb";
import grpc from 'grpc';
import {API_URL} from "../Enum/EnvironmentVariable";
class ApiClientRepository {
private roomManagerClient: RoomManagerClient|null = null;
public async getClient(roomId: string): Promise<RoomManagerClient> {
if (this.roomManagerClient === null) {
this.roomManagerClient = new RoomManagerClient(API_URL, grpc.credentials.createInsecure());
}
return Promise.resolve(this.roomManagerClient);
}
}
const apiClientRepository = new ApiClientRepository();
export { apiClientRepository };

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export const arrayIntersect = (array1: string[], array2: string[]) : boolean => {
return array1.filter(value => array2.includes(value)).length > 0;
}

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uploader/src/Services/ClientEventsEmitter.ts Normal file
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const EventEmitter = require('events');
const clientJoinEvent = 'clientJoin';
const clientLeaveEvent = 'clientLeave';
class ClientEventsEmitter extends EventEmitter {
emitClientJoin(clientUUid: string, roomId: string): void {
this.emit(clientJoinEvent, clientUUid, roomId);
}
emitClientLeave(clientUUid: string, roomId: string): void {
this.emit(clientLeaveEvent, clientUUid, roomId);
}
registerToClientJoin(callback: (clientUUid: string, roomId: string) => void): void {
this.on(clientJoinEvent, callback);
}
registerToClientLeave(callback: (clientUUid: string, roomId: string) => void): void {
this.on(clientLeaveEvent, callback);
}
unregisterFromClientJoin(callback: (clientUUid: string, roomId: string) => void): void {
this.removeListener(clientJoinEvent, callback);
}
unregisterFromClientLeave(callback: (clientUUid: string, roomId: string) => void): void {
this.removeListener(clientLeaveEvent, callback);
}
}
export const clientEventsEmitter = new ClientEventsEmitter();

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uploader/src/Services/CpuTracker.ts Normal file
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import {CPU_OVERHEAT_THRESHOLD} from "../Enum/EnvironmentVariable";
function secNSec2ms(secNSec: Array<number>|number) {
if (Array.isArray(secNSec)) {
return secNSec[0] * 1000 + secNSec[1] / 1000000;
}
return secNSec / 1000;
}
class CpuTracker {
private cpuPercent: number = 0;
private overHeating: boolean = false;
constructor() {
let time = process.hrtime.bigint()
let usage = process.cpuUsage()
setInterval(() => {
const elapTime = process.hrtime.bigint();
const elapUsage = process.cpuUsage(usage)
usage = process.cpuUsage()
const elapTimeMS = elapTime - time;
const elapUserMS = secNSec2ms(elapUsage.user)
const elapSystMS = secNSec2ms(elapUsage.system)
this.cpuPercent = Math.round(100 * (elapUserMS + elapSystMS) / Number(elapTimeMS) * 1000000)
time = elapTime;
if (!this.overHeating && this.cpuPercent > CPU_OVERHEAT_THRESHOLD) {
this.overHeating = true;
console.warn('CPU high threshold alert. Going in "overheat" mode');
} else if (this.overHeating && this.cpuPercent <= CPU_OVERHEAT_THRESHOLD) {
this.overHeating = false;
console.log('CPU is back to normal. Canceling "overheat" mode');
}
/*console.log('elapsed time ms: ', elapTimeMS)
console.log('elapsed user ms: ', elapUserMS)
console.log('elapsed system ms:', elapSystMS)
console.log('cpu percent: ', this.cpuPercent)*/
}, 100);
}
public getCpuPercent(): number {
return this.cpuPercent;
}
public isOverHeating(): boolean {
return this.overHeating;
}
}
const cpuTracker = new CpuTracker();
export { cpuTracker };

54
uploader/src/Services/GaugeManager.ts Normal file
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import {Counter, Gauge} from "prom-client";
//this class should manage all the custom metrics used by prometheus
class GaugeManager {
private nbClientsGauge: Gauge<string>;
private nbClientsPerRoomGauge: Gauge<string>;
private nbGroupsPerRoomGauge: Gauge<string>;
private nbGroupsPerRoomCounter: Counter<string>;
constructor() {
this.nbClientsGauge = new Gauge({
name: 'workadventure_nb_sockets',
help: 'Number of connected sockets',
labelNames: [ ]
});
this.nbClientsPerRoomGauge = new Gauge({
name: 'workadventure_nb_clients_per_room',
help: 'Number of clients per room',
labelNames: [ 'room' ]
});
this.nbGroupsPerRoomCounter = new Counter({
name: 'workadventure_counter_groups_per_room',
help: 'Counter of groups per room',
labelNames: [ 'room' ]
});
this.nbGroupsPerRoomGauge = new Gauge({
name: 'workadventure_nb_groups_per_room',
help: 'Number of groups per room',
labelNames: [ 'room' ]
});
}
incNbClientPerRoomGauge(roomId: string): void {
this.nbClientsGauge.inc();
this.nbClientsPerRoomGauge.inc({ room: roomId });
}
decNbClientPerRoomGauge(roomId: string): void {
this.nbClientsGauge.dec();
this.nbClientsPerRoomGauge.dec({ room: roomId });
}
incNbGroupsPerRoomGauge(roomId: string): void {
this.nbGroupsPerRoomCounter.inc({ room: roomId })
this.nbGroupsPerRoomGauge.inc({ room: roomId })
}
decNbGroupsPerRoomGauge(roomId: string): void {
this.nbGroupsPerRoomGauge.dec({ room: roomId })
}
}
export const gaugeManager = new GaugeManager();

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uploader/src/Services/IoSocketHelpers.ts Normal file
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import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";
import {BatchMessage, ErrorMessage, ServerToClientMessage, SubMessage} from "../Messages/generated/messages_pb";
export function emitInBatch(socket: ExSocketInterface, payload: SubMessage): void {
socket.batchedMessages.addPayload(payload);
if (socket.batchTimeout === null) {
socket.batchTimeout = setTimeout(() => {
if (socket.disconnecting) {
return;
}
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setBatchmessage(socket.batchedMessages);
socket.send(serverToClientMessage.serializeBinary().buffer, true);
socket.batchedMessages = new BatchMessage();
socket.batchTimeout = null;
}, 100);
}
}
export function emitError(Client: ExSocketInterface, message: string): void {
const errorMessage = new ErrorMessage();
errorMessage.setMessage(message);
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setErrormessage(errorMessage);
if (!Client.disconnecting) {
Client.send(serverToClientMessage.serializeBinary().buffer, true);
}
console.warn(message);
}

76
uploader/src/Services/JWTTokenManager.ts Normal file
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import {ADMIN_API_URL, ALLOW_ARTILLERY, SECRET_KEY} from "../Enum/EnvironmentVariable";
import {uuid} from "uuidv4";
import Jwt from "jsonwebtoken";
import {TokenInterface} from "../Controller/AuthenticateController";
import {adminApi, AdminApiData} from "../Services/AdminApi";
class JWTTokenManager {
public createJWTToken(userUuid: string) {
return Jwt.sign({userUuid: userUuid}, SECRET_KEY, {expiresIn: '200d'}); //todo: add a mechanic to refresh or recreate token
}
public async getUserUuidFromToken(token: unknown): Promise<string> {
if (!token) {
throw new Error('An authentication error happened, a user tried to connect without a token.');
}
if (typeof(token) !== "string") {
throw new Error('Token is expected to be a string');
}
if(token === 'test') {
if (ALLOW_ARTILLERY) {
return uuid();
} else {
throw new Error("In order to perform a load-testing test on this environment, you must set the ALLOW_ARTILLERY environment variable to 'true'");
}
}
return new Promise<string>((resolve, reject) => {
Jwt.verify(token, SECRET_KEY, {},(err, tokenDecoded) => {
const tokenInterface = tokenDecoded as TokenInterface;
if (err) {
console.error('An authentication error happened, invalid JsonWebToken.', err);
reject(new Error('An authentication error happened, invalid JsonWebToken. ' + err.message));
return;
}
if (tokenDecoded === undefined) {
console.error('Empty token found.');
reject(new Error('Empty token found.'));
return;
}
//verify token
if (!this.isValidToken(tokenInterface)) {
reject(new Error('Authentication error, invalid token structure.'));
return;
}
if (ADMIN_API_URL) {
//verify user in admin
adminApi.fetchCheckUserByToken(tokenInterface.userUuid).then(() => {
resolve(tokenInterface.userUuid);
}).catch((err) => {
//anonymous user
if(err.response && err.response.status && err.response.status === 404){
resolve(tokenInterface.userUuid);
return;
}
reject(err);
});
} else {
resolve(tokenInterface.userUuid);
}
});
});
}
private isValidToken(token: object): token is TokenInterface {
return !(typeof((token as TokenInterface).userUuid) !== 'string');
}
}
export const jwtTokenManager = new JWTTokenManager();

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uploader/src/Services/SocketManager.ts Normal file
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import {PusherRoom} from "../Model/PusherRoom";
import {CharacterLayer, ExSocketInterface} from "../Model/Websocket/ExSocketInterface";
import {
GroupDeleteMessage,
GroupUpdateMessage,
ItemEventMessage,
ItemStateMessage,
PlayGlobalMessage,
PointMessage,
PositionMessage,
RoomJoinedMessage,
ServerToClientMessage,
SetPlayerDetailsMessage,
SilentMessage,
SubMessage,
ReportPlayerMessage,
UserJoinedMessage, UserLeftMessage,
UserMovedMessage,
UserMovesMessage,
ViewportMessage, WebRtcDisconnectMessage,
WebRtcSignalToClientMessage,
WebRtcSignalToServerMessage,
WebRtcStartMessage,
QueryJitsiJwtMessage,
SendJitsiJwtMessage,
SendUserMessage, JoinRoomMessage, CharacterLayerMessage, PusherToBackMessage
} from "../Messages/generated/messages_pb";
import {PointInterface} from "../Model/Websocket/PointInterface";
import {User} from "../Model/User";
import {ProtobufUtils} from "../Model/Websocket/ProtobufUtils";
import {Group} from "../Model/Group";
import {cpuTracker} from "./CpuTracker";
import {GROUP_RADIUS, JITSI_ISS, MINIMUM_DISTANCE, SECRET_JITSI_KEY} from "../Enum/EnvironmentVariable";
import {Movable} from "../Model/Movable";
import {PositionInterface} from "../Model/PositionInterface";
import {adminApi, CharacterTexture} from "./AdminApi";
import Direction = PositionMessage.Direction;
import {emitError, emitInBatch} from "./IoSocketHelpers";
import Jwt from "jsonwebtoken";
import {JITSI_URL} from "../Enum/EnvironmentVariable";
import {clientEventsEmitter} from "./ClientEventsEmitter";
import {gaugeManager} from "./GaugeManager";
import {apiClientRepository} from "./ApiClientRepository";
import {ServiceError} from "grpc";
import {GroupDescriptor, UserDescriptor, ZoneEventListener} from "_Model/Zone";
import Debug from "debug";
const debug = Debug('socket');
interface AdminSocketRoomsList {
[index: string]: number;
}
interface AdminSocketUsersList {
[index: string]: boolean;
}
export interface AdminSocketData {
rooms: AdminSocketRoomsList,
users: AdminSocketUsersList,
}
export class SocketManager implements ZoneEventListener {
private Worlds: Map<string, PusherRoom> = new Map<string, PusherRoom>();
private sockets: Map<number, ExSocketInterface> = new Map<number, ExSocketInterface>();
constructor() {
clientEventsEmitter.registerToClientJoin((clientUUid: string, roomId: string) => {
gaugeManager.incNbClientPerRoomGauge(roomId);
});
clientEventsEmitter.registerToClientLeave((clientUUid: string, roomId: string) => {
gaugeManager.decNbClientPerRoomGauge(roomId);
});
}
getAdminSocketDataFor(roomId:string): AdminSocketData {
throw new Error('Not reimplemented yet');
/*const data:AdminSocketData = {
rooms: {},
users: {},
}
const room = this.Worlds.get(roomId);
if (room === undefined) {
return data;
}
const users = room.getUsers();
data.rooms[roomId] = users.size;
users.forEach(user => {
data.users[user.uuid] = true
})
return data;*/
}
async handleJoinRoom(client: ExSocketInterface): Promise<void> {
const position = client.position;
const viewport = client.viewport;
try {
const joinRoomMessage = new JoinRoomMessage();
joinRoomMessage.setUseruuid(client.userUuid);
joinRoomMessage.setRoomid(client.roomId);
joinRoomMessage.setName(client.name);
joinRoomMessage.setPositionmessage(ProtobufUtils.toPositionMessage(client.position));
for (const characterLayer of client.characterLayers) {
const characterLayerMessage = new CharacterLayerMessage();
characterLayerMessage.setName(characterLayer.name);
if (characterLayer.url !== undefined) {
characterLayerMessage.setUrl(characterLayer.url);
}
joinRoomMessage.addCharacterlayer(characterLayerMessage);
}
console.log('Calling joinRoom')
const apiClient = await apiClientRepository.getClient(client.roomId);
const streamToPusher = apiClient.joinRoom();
client.backConnection = streamToPusher;
streamToPusher.on('data', (message: ServerToClientMessage) => {
if (message.hasRoomjoinedmessage()) {
client.userId = (message.getRoomjoinedmessage() as RoomJoinedMessage).getCurrentuserid();
// TODO: do we need this.sockets anymore?
this.sockets.set(client.userId, client);
// If this is the first message sent, send back the viewport.
this.handleViewport(client, viewport);
}
// Let's pass data over from the back to the client.
if (!client.disconnecting) {
client.send(message.serializeBinary().buffer, true);
}
}).on('end', () => {
console.warn('Connection lost to back server');
// Let's close the front connection if the back connection is closed. This way, we can retry connecting from the start.
if (!client.disconnecting) {
this.closeWebsocketConnection(client, 1011, 'Connection lost to back server');
}
console.log('A user left');
}).on('error', (err: Error) => {
console.error('Error in connection to back server:', err);
if (!client.disconnecting) {
this.closeWebsocketConnection(client, 1011, 'Error while connecting to back server');
}
});
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setJoinroommessage(joinRoomMessage);
streamToPusher.write(pusherToBackMessage);
// TODO: analyze viewport, subscribe to correct handler
//join new previous room
//const gameRoom = this.joinRoom(client, position);
//const things = gameRoom.setViewport(client, viewport);
/*const roomJoinedMessage = new RoomJoinedMessage();
for (const thing of things) {
if (thing instanceof User) {
const player: ExSocketInterface|undefined = this.sockets.get(thing.id);
if (player === undefined) {
console.warn('Something went wrong. The World contains a user "'+thing.id+"' but this user does not exist in the sockets list!");
continue;
}
const userJoinedMessage = new UserJoinedMessage();
userJoinedMessage.setUserid(thing.id);
userJoinedMessage.setName(player.name);
userJoinedMessage.setCharacterlayersList(ProtobufUtils.toCharacterLayerMessages(player.characterLayers));
userJoinedMessage.setPosition(ProtobufUtils.toPositionMessage(player.position));
roomJoinedMessage.addUser(userJoinedMessage);
roomJoinedMessage.setTagList(client.tags);
} else if (thing instanceof Group) {
const groupUpdateMessage = new GroupUpdateMessage();
groupUpdateMessage.setGroupid(thing.getId());
groupUpdateMessage.setPosition(ProtobufUtils.toPointMessage(thing.getPosition()));
roomJoinedMessage.addGroup(groupUpdateMessage);
} else {
console.error("Unexpected type for Movable returned by setViewport");
}
}
for (const [itemId, item] of gameRoom.getItemsState().entries()) {
const itemStateMessage = new ItemStateMessage();
itemStateMessage.setItemid(itemId);
itemStateMessage.setStatejson(JSON.stringify(item));
roomJoinedMessage.addItem(itemStateMessage);
}
roomJoinedMessage.setCurrentuserid(client.userId);
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setRoomjoinedmessage(roomJoinedMessage);
if (!client.disconnecting) {
client.send(serverToClientMessage.serializeBinary().buffer, true);
}*/
} catch (e) {
console.error('An error occurred on "join_room" event');
console.error(e);
}
}
private closeWebsocketConnection(client: ExSocketInterface, code: number, reason: string) {
client.disconnecting = true;
//this.leaveRoom(client);
//client.close();
client.end(code, reason);
}
handleViewport(client: ExSocketInterface, viewport: ViewportMessage.AsObject) {
try {
client.viewport = viewport;
const world = this.Worlds.get(client.roomId);
if (!world) {
console.error("In SET_VIEWPORT, could not find world with id '", client.roomId, "'");
return;
}
world.setViewport(client, client.viewport);
} catch (e) {
console.error('An error occurred on "SET_VIEWPORT" event');
console.error(e);
}
}
handleUserMovesMessage(client: ExSocketInterface, userMovesMessage: UserMovesMessage) {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setUsermovesmessage(userMovesMessage);
client.backConnection.write(pusherToBackMessage);
const viewport = userMovesMessage.getViewport();
if (viewport === undefined) {
throw new Error('Missing viewport in UserMovesMessage');
}
// Now, we need to listen to the correct viewport.
this.handleViewport(client, viewport.toObject())
}
// Useless now, will be useful again if we allow editing details in game
handleSetPlayerDetails(client: ExSocketInterface, playerDetailsMessage: SetPlayerDetailsMessage) {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setSetplayerdetailsmessage(playerDetailsMessage);
client.backConnection.write(pusherToBackMessage);
}
handleSilentMessage(client: ExSocketInterface, silentMessage: SilentMessage) {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setSilentmessage(silentMessage);
client.backConnection.write(pusherToBackMessage);
}
handleItemEvent(client: ExSocketInterface, itemEventMessage: ItemEventMessage) {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setItemeventmessage(itemEventMessage);
client.backConnection.write(pusherToBackMessage);
/*const itemEvent = ProtobufUtils.toItemEvent(itemEventMessage);
try {
const world = this.Worlds.get(ws.roomId);
if (!world) {
console.error("Could not find world with id '", ws.roomId, "'");
return;
}
const subMessage = new SubMessage();
subMessage.setItemeventmessage(itemEventMessage);
// Let's send the event without using the SocketIO room.
for (const user of world.getUsers().values()) {
const client = this.searchClientByIdOrFail(user.id);
//client.emit(SocketIoEvent.ITEM_EVENT, itemEvent);
emitInBatch(client, subMessage);
}
world.setItemState(itemEvent.itemId, itemEvent.state);
} catch (e) {
console.error('An error occurred on "item_event"');
console.error(e);
}*/
}
async handleReportMessage(client: ExSocketInterface, reportPlayerMessage: ReportPlayerMessage) {
try {
const reportedSocket = this.sockets.get(reportPlayerMessage.getReporteduserid());
if (!reportedSocket) {
throw 'reported socket user not found';
}
//TODO report user on admin application
await adminApi.reportPlayer(reportedSocket.userUuid, reportPlayerMessage.getReportcomment(), client.userUuid)
} catch (e) {
console.error('An error occurred on "handleReportMessage"');
console.error(e);
}
}
emitVideo(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setWebrtcsignaltoservermessage(data);
socket.backConnection.write(pusherToBackMessage);
//send only at user
/*const client = this.sockets.get(data.getReceiverid());
if (client === undefined) {
console.warn("While exchanging a WebRTC signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
return;
}
const webrtcSignalToClient = new WebRtcSignalToClientMessage();
webrtcSignalToClient.setUserid(socket.userId);
webrtcSignalToClient.setSignal(data.getSignal());
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setWebrtcsignaltoclientmessage(webrtcSignalToClient);
if (!client.disconnecting) {
client.send(serverToClientMessage.serializeBinary().buffer, true);
}*/
}
emitScreenSharing(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setWebrtcscreensharingsignaltoservermessage(data);
socket.backConnection.write(pusherToBackMessage);
//send only at user
/*const client = this.sockets.get(data.getReceiverid());
if (client === undefined) {
console.warn("While exchanging a WEBRTC_SCREEN_SHARING signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
return;
}
const webrtcSignalToClient = new WebRtcSignalToClientMessage();
webrtcSignalToClient.setUserid(socket.userId);
webrtcSignalToClient.setSignal(data.getSignal());
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setWebrtcscreensharingsignaltoclientmessage(webrtcSignalToClient);
if (!client.disconnecting) {
client.send(serverToClientMessage.serializeBinary().buffer, true);
}*/
}
private searchClientByIdOrFail(userId: number): ExSocketInterface {
const client: ExSocketInterface|undefined = this.sockets.get(userId);
if (client === undefined) {
throw new Error("Could not find user with id " + userId);
}
return client;
}
leaveRoom(socket : ExSocketInterface) {
// leave previous room and world
try {
if (socket.roomId) {
try {
//user leaves room
const room: PusherRoom | undefined = this.Worlds.get(socket.roomId);
if (room) {
debug('Leaving room %s.', socket.roomId);
room.leave(socket);
if (room.isEmpty()) {
this.Worlds.delete(socket.roomId);
debug('Room %s is empty. Deleting.', socket.roomId);
}
} else {
console.error('Could not find the GameRoom the user is leaving!');
}
//user leave previous room
//Client.leave(Client.roomId);
} finally {
//delete Client.roomId;
this.sockets.delete(socket.userId);
clientEventsEmitter.emitClientLeave(socket.userUuid, socket.roomId);
console.log('A user left (', this.sockets.size, ' connected users)');
}
}
} finally {
if (socket.backConnection) {
socket.backConnection.end();
}
}
}
async getOrCreateRoom(roomId: string): Promise<PusherRoom> {
//check and create new world for a room
let world = this.Worlds.get(roomId)
if(world === undefined){
world = new PusherRoom(
roomId,
this
/* (user: User, group: Group) => this.joinWebRtcRoom(user, group),
(user: User, group: Group) => this.disConnectedUser(user, group),
MINIMUM_DISTANCE,
GROUP_RADIUS,
(thing: Movable, listener: User) => this.onRoomEnter(thing, listener),
(thing: Movable, position:PositionInterface, listener:User) => this.onClientMove(thing, position, listener),
(thing: Movable, listener:User) => this.onClientLeave(thing, listener)*/
);
if (!world.anonymous) {
const data = await adminApi.fetchMapDetails(world.organizationSlug, world.worldSlug, world.roomSlug)
world.tags = data.tags
world.policyType = Number(data.policy_type)
}
this.Worlds.set(roomId, world);
}
return Promise.resolve(world)
}
/* private joinRoom(client : ExSocketInterface, position: PointInterface): PusherRoom {
const roomId = client.roomId;
client.position = position;
const world = this.Worlds.get(roomId)
if(world === undefined){
throw new Error('Could not find room for ID: '+client.roomId)
}
// Dispatch groups position to newly connected user
world.getGroups().forEach((group: Group) => {
this.emitCreateUpdateGroupEvent(client, group);
});
//join world
world.join(client, client.position);
clientEventsEmitter.emitClientJoin(client.userUuid, client.roomId);
console.log(new Date().toISOString() + ' A user joined (', this.sockets.size, ' connected users)');
return world;
}
private onClientMove(thing: Movable, position:PositionInterface, listener:User): void {
const clientListener = this.searchClientByIdOrFail(listener.id);
if (thing instanceof User) {
const clientUser = this.searchClientByIdOrFail(thing.id);
const userMovedMessage = new UserMovedMessage();
userMovedMessage.setUserid(clientUser.userId);
userMovedMessage.setPosition(ProtobufUtils.toPositionMessage(clientUser.position));
const subMessage = new SubMessage();
subMessage.setUsermovedmessage(userMovedMessage);
clientListener.emitInBatch(subMessage);
//console.log("Sending USER_MOVED event");
} else if (thing instanceof Group) {
this.emitCreateUpdateGroupEvent(clientListener, thing);
} else {
console.error('Unexpected type for Movable.');
}
}
private onClientLeave(thing: Movable, listener:User) {
const clientListener = this.searchClientByIdOrFail(listener.id);
if (thing instanceof User) {
const clientUser = this.searchClientByIdOrFail(thing.id);
this.emitUserLeftEvent(clientListener, clientUser.userId);
} else if (thing instanceof Group) {
this.emitDeleteGroupEvent(clientListener, thing.getId());
} else {
console.error('Unexpected type for Movable.');
}
}*/
private emitCreateUpdateGroupEvent(client: ExSocketInterface, group: Group): void {
const position = group.getPosition();
const pointMessage = new PointMessage();
pointMessage.setX(Math.floor(position.x));
pointMessage.setY(Math.floor(position.y));
const groupUpdateMessage = new GroupUpdateMessage();
groupUpdateMessage.setGroupid(group.getId());
groupUpdateMessage.setPosition(pointMessage);
groupUpdateMessage.setGroupsize(group.getSize);
const subMessage = new SubMessage();
subMessage.setGroupupdatemessage(groupUpdateMessage);
emitInBatch(client, subMessage);
//socket.emit(SocketIoEvent.GROUP_CREATE_UPDATE, groupUpdateMessage.serializeBinary().buffer);
}
private emitDeleteGroupEvent(client: ExSocketInterface, groupId: number): void {
const groupDeleteMessage = new GroupDeleteMessage();
groupDeleteMessage.setGroupid(groupId);
const subMessage = new SubMessage();
subMessage.setGroupdeletemessage(groupDeleteMessage);
emitInBatch(client, subMessage);
}
private emitUserLeftEvent(client: ExSocketInterface, userId: number): void {
const userLeftMessage = new UserLeftMessage();
userLeftMessage.setUserid(userId);
const subMessage = new SubMessage();
subMessage.setUserleftmessage(userLeftMessage);
emitInBatch(client, subMessage);
}
private joinWebRtcRoom(user: User, group: Group) {
/*const roomId: string = "webrtcroom"+group.getId();
if (user.socket.webRtcRoomId === roomId) {
return;
}*/
for (const otherUser of group.getUsers()) {
if (user === otherUser) {
continue;
}
// Let's send 2 messages: one to the user joining the group and one to the other user
const webrtcStartMessage1 = new WebRtcStartMessage();
webrtcStartMessage1.setUserid(otherUser.id);
webrtcStartMessage1.setName(otherUser.socket.name);
webrtcStartMessage1.setInitiator(true);
const serverToClientMessage1 = new ServerToClientMessage();
serverToClientMessage1.setWebrtcstartmessage(webrtcStartMessage1);
if (!user.socket.disconnecting) {
user.socket.send(serverToClientMessage1.serializeBinary().buffer, true);
//console.log('Sending webrtcstart initiator to '+user.socket.userId)
}
const webrtcStartMessage2 = new WebRtcStartMessage();
webrtcStartMessage2.setUserid(user.id);
webrtcStartMessage2.setName(user.socket.name);
webrtcStartMessage2.setInitiator(false);
const serverToClientMessage2 = new ServerToClientMessage();
serverToClientMessage2.setWebrtcstartmessage(webrtcStartMessage2);
if (!otherUser.socket.disconnecting) {
otherUser.socket.send(serverToClientMessage2.serializeBinary().buffer, true);
//console.log('Sending webrtcstart to '+otherUser.socket.userId)
}
}
}
//disconnect user
private disConnectedUser(user: User, group: Group) {
// Most of the time, sending a disconnect event to one of the players is enough (the player will close the connection
// which will be shut for the other player).
// However! In the rare case where the WebRTC connection is not yet established, if we close the connection on one of the player,
// the other player will try connecting until a timeout happens (during this time, the connection icon will be displayed for nothing).
// So we also send the disconnect event to the other player.
for (const otherUser of group.getUsers()) {
if (user === otherUser) {
continue;
}
const webrtcDisconnectMessage1 = new WebRtcDisconnectMessage();
webrtcDisconnectMessage1.setUserid(user.id);
const serverToClientMessage1 = new ServerToClientMessage();
serverToClientMessage1.setWebrtcdisconnectmessage(webrtcDisconnectMessage1);
if (!otherUser.socket.disconnecting) {
otherUser.socket.send(serverToClientMessage1.serializeBinary().buffer, true);
}
const webrtcDisconnectMessage2 = new WebRtcDisconnectMessage();
webrtcDisconnectMessage2.setUserid(otherUser.id);
const serverToClientMessage2 = new ServerToClientMessage();
serverToClientMessage2.setWebrtcdisconnectmessage(webrtcDisconnectMessage2);
if (!user.socket.disconnecting) {
user.socket.send(serverToClientMessage2.serializeBinary().buffer, true);
}
}
}
emitPlayGlobalMessage(client: ExSocketInterface, playglobalmessage: PlayGlobalMessage) {
const pusherToBackMessage = new PusherToBackMessage();
pusherToBackMessage.setPlayglobalmessage(playglobalmessage);
client.backConnection.write(pusherToBackMessage);
}
public getWorlds(): Map<string, PusherRoom> {
return this.Worlds;
}
/**
*
* @param token
*/
searchClientByUuid(uuid: string): ExSocketInterface | null {
for(const socket of this.sockets.values()){
if(socket.userUuid === uuid){
return socket;
}
}
return null;
}
public handleQueryJitsiJwtMessage(client: ExSocketInterface, queryJitsiJwtMessage: QueryJitsiJwtMessage) {
const room = queryJitsiJwtMessage.getJitsiroom();
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.
if (SECRET_JITSI_KEY === '') {
throw new Error('You must set the SECRET_JITSI_KEY key to the secret to generate JWT tokens for Jitsi.');
}
// Let's see if the current client has
const isAdmin = client.tags.includes(tag);
const jwt = Jwt.sign({
"aud": "jitsi",
"iss": JITSI_ISS,
"sub": JITSI_URL,
"room": room,
"moderator": isAdmin
}, SECRET_JITSI_KEY, {
expiresIn: '1d',
algorithm: "HS256",
header:
{
"alg": "HS256",
"typ": "JWT"
}
});
const sendJitsiJwtMessage = new SendJitsiJwtMessage();
sendJitsiJwtMessage.setJitsiroom(room);
sendJitsiJwtMessage.setJwt(jwt);
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setSendjitsijwtmessage(sendJitsiJwtMessage);
client.send(serverToClientMessage.serializeBinary().buffer, true);
}
public emitSendUserMessage(messageToSend: {userUuid: string, message: string, type: string}): ExSocketInterface {
const socket = this.searchClientByUuid(messageToSend.userUuid);
if(!socket){
throw 'socket was not found';
}
const sendUserMessage = new SendUserMessage();
sendUserMessage.setMessage(messageToSend.message);
sendUserMessage.setType(messageToSend.type);
const serverToClientMessage = new ServerToClientMessage();
serverToClientMessage.setSendusermessage(sendUserMessage);
if (!socket.disconnecting) {
socket.send(serverToClientMessage.serializeBinary().buffer, true);
}
return socket;
}
/**
* Merges the characterLayers received from the front (as an array of string) with the custom textures from the back.
*/
static mergeCharacterLayersAndCustomTextures(characterLayers: string[], memberTextures: CharacterTexture[]): CharacterLayer[] {
const characterLayerObjs: CharacterLayer[] = [];
for (const characterLayer of characterLayers) {
if (characterLayer.startsWith('customCharacterTexture')) {
const customCharacterLayerId: number = +characterLayer.substr(22);
for (const memberTexture of memberTextures) {
if (memberTexture.id == customCharacterLayerId) {
characterLayerObjs.push({
name: characterLayer,
url: memberTexture.url
})
break;
}
}
} 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);
}
}
export const socketManager = new SocketManager();