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server.https.js
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server.https.js
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//var http = require('http');
var https = require("https");
var path = require("path");
var express = require("express");
var cookieParser = require("cookie-parser");
var bodyParser = require("body-parser");
//var helmet = require('helmet');
var logger = require("morgan");
var cors = require("cors");
var WSS = require("ws").Server;
const uuid = require("uuid/v4");
var pem = require("pem");
pem.createCertificate({ days: 1, selfSigned: true }, function(err, keys) {
if (err) {
throw err;
}
var app = express();
app.use(logger("dev"));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(cors());
app.use(express.static(path.join(__dirname, "public")));
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error("Not Found");
err.status = 404;
next(err);
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get("env") === "development" ? err : {};
// render the error page
res.status(err.status || 500);
if (req.xhr || Object.keys(req.headers).indexOf("postman-token") > -1) {
return res.json({ message: err.message });
}
res.json({ message: err.message })
//res.render("error");
});
var server = https.createServer(
{ key: keys.serviceKey, cert: keys.certificate },
app
);
// server.listen(8080, '127.0.0.1'); //server will provide access to localhost only ex: http://localhost:8080/
// server.listen(8080, 'local.ip'); //server will provide access to given local IP, ex: http://local.ip:8080/ can be used in local LAN network
server.listen(8080);
console.log("Server started at https://localhost:8080");
var wss = new WSS({ server: server });
var wsUsers = {};
var chatRooms = [];
wss.on("connection", function(socket, req) {
//should be unique
//var id = socket.upgradeReq.headers['sec-websocket-key'];
var id = uuid();
wsUsers[id] = { name: "No Name", socket: socket };
var json = JSON.stringify({ type: "userIdUpdate", id: id });
socket.send(json);
socket.on("message", function(message) {
//console.log('Received from client: ' + id + ' and message is : ' + message);
try {
var msg = JSON.parse(message);
switch (msg.type) {
case "nameUpdate":
wsUsers[id].name = msg.username;
break;
case "msgFromUser":
var json = {
type: "msgToUser",
from_user: msg.from_user,
message: msg.message,
time: msg.time,
name: wsUsers[msg.from_user]
? wsUsers[msg.from_user].name
: "Unknown"
};
if (wsUsers[msg.to_user]) {
wsUsers[msg.to_user].socket.send(JSON.stringify(json));
}
break;
case "chatRoomMessage":
var json = {
type: "chatRoomMessageBroadcast",
from_user: msg.from_user,
message: msg.message,
time: msg.time,
name: wsUsers[msg.from_user]
? wsUsers[msg.from_user].name
: "Unknown"
},
users = Object.keys(wsUsers);
users.forEach(function(v) {
if (v != msg.from_user) {
wsUsers[v].socket.send(JSON.stringify(json));
}
});
break;
default:
console.log(message);
}
} catch (e) {
console.log(e.message);
}
});
socket.on("close", function() {
var log = { userId: id, name: wsUsers[id].name };
delete wsUsers[id];
var json = JSON.stringify({
type: "userDisconnected",
id: id
});
wss.clients.forEach(function each(client) {
client.send(json);
});
console.log("Closed Connection " + JSON.stringify(log));
});
});
var broadcast = function() {
try {
var users = [],
arr = Object.keys(wsUsers);
arr.forEach(function(id) {
users.push({ id: id, name: wsUsers[id].name });
});
var json = JSON.stringify({
type: "broadcast",
total: wss.clients.length,
clients_arr: users
});
wss.clients.forEach(function each(client) {
client.send(json);
});
} catch (e) {
console.log(e.message);
}
};
setInterval(broadcast, 4000);
});