forked from Hri7566/mpp-server-dev2
basic channels, users. Clients stack
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*.json
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//call new Server
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global.WebSocket = require('ws');
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global.EventEmitter = require('events').EventEmitter;
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global.fs = require('fs');
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global.createKeccakHash = require('keccak');
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const AsyncConsole = require('asyncconsole')
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let Server = require("./src/Server.js");
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global.SERVER = new Server({
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port: 8080
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});
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let console = new AsyncConsole("", input => {
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try {
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console.log(JSON.stringify(eval(input)));
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} catch(e) {
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console.log(e.toString());
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}
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})
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const Room = require("./Room.js");
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require('node-json-color-stringify');
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class Client extends EventEmitter {
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constructor(ws, req, server) {
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super();
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EventEmitter.call(this);
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this.user;
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this.connectionid = server.connectionid;
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this.server = server;
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this.participantId;
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this.channel;
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this.ws = ws;
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this.req = req;
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this.ip = (req.connection.remoteAddress).replace("::ffff:","");
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this.bindEventListeners();
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require('./Message.js')(this);
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}
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isConnected() {
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return this.ws && this.ws.readyState === WebSocket.OPEN;
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}
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isConnecting() {
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return this.ws && this.ws.readyState === WebSocket.CONNECTING;
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}
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setChannel(_id, settings) {
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if (this.server.rooms.get(_id)) {
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let channel = this.channel;
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if (channel) this.channel.emit("bye", this);
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if (channel) this.channel.updateCh();
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this.channel = this.server.rooms.get(_id);
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this.channel.join(this);
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} else {
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let room = new Room(this.server, _id, settings);
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this.server.rooms.set(_id, room);
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if (this.channel) this.channel.emit("bye", this);
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this.channel = this.server.rooms.get(_id);
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this.channel.join(this);
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}
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}
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sendArray(arr) {
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if (this.isConnected()) {
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console.log(`SEND: `, JSON.colorStringify(arr));
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this.ws.send(JSON.stringify(arr));
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}
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}
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destroy() {
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this.ws.close();
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this.user;
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this.participantId;
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this.channel;
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this.connectionid;
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this.server.connections.delete(this.connectionid);
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if (this.channel) {
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this.channel.emit("bye", this)
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}
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console.log(`Removed Connection ${this.connectionid}.`);
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}
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bindEventListeners() {
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this.ws.on("message", (evt) => {
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try {
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var transmission = JSON.parse(evt);
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} catch (e) {
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this.destroy();
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} finally {
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for (let msg of transmission) {
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if (!msg.hasOwnProperty("m")) return;
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if (!this.server.legit_m.includes(msg.m)) return;
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this.emit(msg.m, msg);
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console.log(`RECIEVE: `, JSON.colorStringify(msg));
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}
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}
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});
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this.ws.on("close", () => {
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this.destroy();
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});
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this.ws.addEventListener("error", (err) => {
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console.error(err);
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this.destroy();
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});
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}
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}
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module.exports = Client;
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function hashCode(str) { // java String#hashCode
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var hash = 0;
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for (var i = 0; i < str.length; i++) {
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hash = str.charCodeAt(i) + ((hash << 5) - hash);
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}
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return hash;
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}
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function intToRGB(i){
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var c = (i & 0x00FFFFFF)
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.toString(16)
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.toUpperCase();
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return "00000".substring(0, 6 - c.length) + c;
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}
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module.exports = {hashCode, intToRGB};
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const User = require("./User.js");
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const Room = require("./Room.js");
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module.exports = (cl) => {
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cl.once("hi", () => {
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let user = new User(cl);
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user.getUserData().then((data) => {
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let msg = {};
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msg.m = "hi";
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msg.motd = cl.server.welcome_motd;
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msg.t = Date.now();
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msg.u = data;
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msg.v = "1.0 Alpha";
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cl.sendArray([msg])
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cl.user = data;
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})
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})
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cl.on("t", msg => {
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if (msg.hasOwnProperty("e") && !isNaN(msg.e))
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cl.sendArray([{
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m: "t",
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t: Date.now(),
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e: msg.e
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}])
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})
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cl.on("ch", msg => {
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if (!msg.hasOwnProperty("set")) msg.set = {};
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if (msg.hasOwnProperty("_id") && typeof msg._id == "string") {
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if (msg._id.length > 512) return;
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cl.setChannel(msg._id, msg.set);
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}
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})
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}
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//noteQuota.js
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//array of rooms
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//room class
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//room deleter
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//databases in Map
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class Room extends EventEmitter { //clean?
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constructor(server, _id, settings) {
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super();
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EventEmitter.call(this);
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this._id = _id;
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this.server = server;
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this.settings = {
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lobby: true,
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visible: settings.visible || true,
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crownsolo: settings.crownsolo || false,
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chat: settings.chat || true,
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color: this.verifyColor(settings.color) || this.server.defaultRoomColor,
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color2: this.verifyColor(settings.color) || this.defaultLobbyColor2
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}
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this.ppl = new Map();
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this.bindEventListeners();
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this.server.rooms.set(_id, this);
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}
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join(cl) {
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let participantId = createKeccakHash('keccak256').update((Math.random().toString() + cl.ip)).digest('hex').substr(0, 24);
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cl.user.id = participantId;
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cl.participantId = participantId;
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this.ppl.set(participantId, cl);
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this.sendArray([{
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color: this.ppl.get(cl.participantId).user.color,
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id: this.ppl.get(cl.participantId).participantId,
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m: "p",
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name: this.ppl.get(cl.participantId).user.name,
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x: this.ppl.get(cl.participantId).x || 200,
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y: this.ppl.get(cl.participantId).y || 100,
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_id: cl.user._id
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}], cl)
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this.updateCh(cl);
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}
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remove(p) {
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//this.participants.splice(this.participants.findIndex((cl) => cl.participantId == p.participantId), 1);
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this.ppl.delete(p.participantId);
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this.sendArray([{
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m: "bye",
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p: p.participantId
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}]);
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this.updateCh();
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}
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updateCh(cl) {
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if (this.ppl.keys().next().value.length <= 0) this.destroy();
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this.ppl.forEach((usr) => {
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this.server.connections.get(usr.connectionid).sendArray([this.fetchData(usr, cl)])
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})
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}
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destroy() {
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this._id;
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console.log(`Deleted room ${this._id}`);
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this.settings = {};
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this.ppl;
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this.server.rooms.delete(_id);
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}
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sendArray(arr, not) {
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this.ppl.forEach((usr) => {
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if (!not || usr.participantId != not.participantId) {
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try {
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this.server.connections.get(usr.connectionid).sendArray(arr)
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} catch (e) {
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console.log(e);
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}
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}
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})
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}
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fetchData(usr, cl) {
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let chppl = [];
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[...this.ppl.values()].forEach((a) => {
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chppl.push(a.user);
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})
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let data = {
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m: "ch",
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ch: {
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count: chppl.length,
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settings: this.settings,
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_id: this._id
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},
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ppl: chppl
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}
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if (cl) {
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if (usr.user.id == cl.user.id) {
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data.p = cl.participantId;
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}
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}
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return data;
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}
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verifyColor(color) {
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return color; //TODO make this
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}
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bindEventListeners() {
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this.on("bye", participant => {
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this.remove(participant);
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})
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}
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}
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module.exports = Room;
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const Client = require("./Client.js")
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class Server extends EventEmitter {
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constructor(config) {
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super();
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EventEmitter.call(this);
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this.wss = new WebSocket.Server({
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port: config.port,
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backlog: 100,
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verifyClient: function (info, done) {
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done(true)
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}
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});
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this.connectionid = 0;
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this.connections = new Map();
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this.rooms = new Map();
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this.wss.on('connection', (ws, req) => {
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this.connections.set(++this.connectionid, new Client(ws, req, this));
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});
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this.legit_m = ["a", "bye", "hi", "ch", "+ls", "-ls", "m", "n", "devices", "t", "chset", "userset", "chown", "kickban", "admin message"]
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this.welcome_motd = config.motd || "You agree to read this message.";
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this._id_Private_Key = config._id_PrivateKey || "boppity";
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this.defaultUsername = config.defaultUsername || "Anonymous";
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this.defaultRoomColor = config.defaultRoomColor || "#3b5054";
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this.defaultLobbyColor = config.defaultLobbyColor || "#19b4b9";
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this.defaultLobbyColor2 = config.defaultLobbyColor2 || "#801014";
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};
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}
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module.exports = Server;
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Room.js make color verifier
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const ColorEncoder = require("./ColorEncoder.js");
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class User {
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constructor(cl) {
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this.cl = cl;
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this.userdb;
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this.server = this.cl.server;
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this.default_db = {}
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}
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async getUserData() {
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if (!this.userdb) {
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this.setUpDb();
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}
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let _id = createKeccakHash('keccak256').update((this.cl.server._id_Private_Key + this.cl.ip)).digest('hex').substr(0, 24);
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if (!this.userdb.get(_id)) {
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this.userdb.set(_id, {
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"color": `#${ColorEncoder.intToRGB(ColorEncoder.hashCode(_id)).toLowerCase()}`,
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"name": this.server.defaultUsername,
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"_id": _id,
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"ip": this.cl.ip
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});
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this.updatedb();
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}
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let user = this.userdb.get(_id);
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return {
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"color": user.color,
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"name": user.name,
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"_id": user._id,
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}
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}
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updatedb() {
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fs.writeFileSync('src/db/users.json', JSON.stringify(this.strMapToObj(this.userdb), null, 2), (err) => {
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if (err) {
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throw err;
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}
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});
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}
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strMapToObj(strMap) {
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let obj = Object.create(null);
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for (let [k, v] of strMap) {
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obj[k] = v;
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}
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return obj;
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}
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setUpDb() {
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let files = fs.readdirSync("src/db/");
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if (!files.includes("users.json")) {
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fs.writeFileSync('src/db/users.json', JSON.stringify(this.default_db, null, 2), (err) => {
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if (err) {
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throw err;
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}
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});
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this.userdb = new Map(Object.entries(require("./db/users.json")));
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} else {
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this.userdb = new Map(Object.entries(require("./db/users.json")));
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}
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}
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}
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module.exports = User;
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