Add working Socket.IO based chat

Bump version I guess.

src/http.ts

@@ -4,18 +4,21 @@ import * as bodyparser from "body-parser";
 import * as fs from "fs";
 import * as socketio from "socket.io";
 import * as http from "http";
+import * as dirty from "dirty";
 import * as api from "./api";
 import * as db from "./database";
 
 const app = express();
 const server = http.createServer(app);
 const io = socketio(server);
+const store = dirty();
 var njkconf;
 
 function init(satyr: any, port: number){
 	njk.configure('templates', {
 		autoescape: true,
 		express   : app,
+		watch: true
 	});
 	njkconf ={
 		sitename: satyr.name,
@@ -83,6 +86,9 @@ function init(satyr: any, port: number){
 	app.get('/changesk', (req, res) => {
 		res.render('changesk.njk', njkconf);
 	});
+	app.get('/chat', (req, res) => {
+		res.render('chat.html', njkconf);
+	});
 	//api handlers
 	app.post('/api/register', (req, res) => {
 		api.register(req.body.username, req.body.password, req.body.confirm).then( (result) => {
@@ -111,10 +117,84 @@ function init(satyr: any, port: number){
 		res.status(404).render('404.njk', njkconf);
 	});
 	//socket.io chat logic
-	io.on('connection', (socket) => {
-		
+	io.on('connection', async (socket) => {
+		socket.nick = await newNick(socket);
+		socket.on('JOINROOM', async (data) => {
+			let t: any = await db.query('select username from users where username='+db.raw.escape(data));
+			if(t[0]){
+				socket.join(data);
+				io.to(data).emit('JOINED', {nick: socket.nick});
+			}
+			else socket.emit('ALERT', 'Room does not exist');
+		});
+		socket.on('LEAVEROOM', (data) => {
+			socket.leave(data);
+			io.to(data).emit('LEFT', {nick: socket.nick});
+		});
+		socket.on('disconnecting', (reason) => {
+			let rooms = Object.keys(socket.rooms);
+			for(let i=1;i<rooms.length;i++){
+				io.to(rooms[i]).emit('ALERT', socket.nick+' disconnected');
+			}
+			store.rm(socket.nick);
+		});
+		socket.on('NICK', async (data) => {
+			data.nick = data.nick.replace(' ','');
+			if(store.get(data.nick)){
+				socket.emit('ALERT', 'Nickname is already in use');
+				return false;
+			}
+			let user = await db.query('select username from users where username='+db.raw.escape(data.nick));
+			if(user[0]){
+				if(!data.password){
+					socket.emit('ALERT','Incorrect username or password');
+					return false;
+				}
+				if(await db.validatePassword(data.nick, data.password)){
+					chgNick(socket, data.nick);
+				}
+				else socket.emit('ALERT','Incorrect username or password');
+			}
+			else {
+				chgNick(socket, data.nick);
+			}
+		});
+		socket.on('MSG', (data) => {
+			io.to(data.room).emit('MSG', {nick: socket.nick, msg: data.msg});
+		});
+		socket.on('KICK', (data) => {
+			if(socket.nick === data.room){
+			//find client with data.nick
+				let id: string = store.get(data.nick);
+				if(id){
+					let target = io.sockets.connected[id];
+					io.in(data.room).emit('ALERT', data.nick+' has been kicked.');
+					target.disconnect(true);
+				}
+				else socket.emit('ALERT', 'No such user found.');
+			}
+			else socket.emit('ALERT', 'Not authorized to do that.');
+		});
 	});
 	server.listen(port);
 }
 
+async function newNick(socket) {
+	let n: string = 'Guest'+Math.floor(Math.random() * Math.floor(100));
+	if(store.get(n)) return newNick(socket);
+	else {
+		store.set(n, socket.id);
+		return n;
+	}
+}
+async function chgNick(socket, nick) {
+	let rooms = Object.keys(socket.rooms);
+	for(let i=1;i<rooms.length;i++){
+		io.to(rooms[i]).emit('ALERT', socket.nick+' is now known as '+nick);
+	}
+	store.rm(socket.nick);
+	store.set(nick, socket.id);
+	socket.nick = nick;
+}
+
 export { init };