import socketIO = require('socket.io'); import {Socket} from "socket.io"; import * as http from "http"; import {MessageUserPosition} from "../Model/Websocket/MessageUserPosition"; //TODO fix import by "_Model/.." import {ExSocketInterface} from "../Model/Websocket/ExSocketInterface"; //TODO fix import by "_Model/.." import Jwt, {JsonWebTokenError} from "jsonwebtoken"; import {SECRET_KEY} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..." export class IoSocketController{ Io: socketIO.Server; constructor(server : http.Server) { this.Io = socketIO(server); //authentication with token. it will be decodes and stock in socket. this.Io.use( (socket: Socket, next) => { if (!socket.handshake.query || !socket.handshake.query.token) { return next(new Error('Authentication error')); } Jwt.verify(socket.handshake.query.token, SECRET_KEY, (err: JsonWebTokenError, tokenDecoded: object) => { if (err) { return next(new Error('Authentication error')); } (socket as ExSocketInterface).token = tokenDecoded; next(); }); }); this.ioConnection(); } ioConnection() { this.Io.on('connection', (socket: Socket) => { /*join-rom event permit to join one room. message : userId : user identification roomId: room identification position: position of user in map x: user x position on map y: user y position on map */ socket.on('join-room', (message : string) => { let messageUserPosition = this.hydrateMessageReceive(message); if(messageUserPosition instanceof Error){ return socket.emit("message-error", JSON.stringify({message: messageUserPosition.message})) } //join user in room socket.join(messageUserPosition.roomId); // sending to all clients in room except sender this.saveUserPosition((socket as ExSocketInterface), messageUserPosition); socket.to(messageUserPosition.roomId).emit('join-room', messageUserPosition.toString()); }); socket.on('user-position', (message : string) => { let messageUserPosition = this.hydrateMessageReceive(message); if(messageUserPosition instanceof Error){ return socket.emit("message-error", JSON.stringify({message: messageUserPosition.message})); } // sending to all clients in room except sender this.saveUserPosition((socket as ExSocketInterface), messageUserPosition); socket.to(messageUserPosition.roomId).emit('join-room', messageUserPosition.toString()); }); }); } //permit to save user position in socket saveUserPosition(socket : ExSocketInterface, message : MessageUserPosition){ socket.position = message.position; } //Hydrate and manage error hydrateMessageReceive(message : string) : MessageUserPosition | Error{ try { return new MessageUserPosition(message); }catch (err) { //TODO log error return new Error(err); } } }