DmitryMyadzelets/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Chat</title>

    <script src="./socket.io/socket.io.js"></script>
    <script type="text/javascript">

        var chat = io({path: "/chat/socket.io"});

        chat.on("chat message", function(data) {
            var message = '';
            if (data.from) {
                message += (data.from + ': ');
            }
            message += data.message;
            document.getElementById("messages").innerHTML = ("<hr/>" +
                message + document.getElementById("messages").innerHTML);
        });

        function sendMessage() {
            var msg = document.getElementById("message").value;
            chat.emit("chat message", {message: msg});
        }
    </script>
</head>

<body>
    <h1>Chat</h1>

    <input type="text" id="message"/>
    <button onclick="sendMessage()">Send</button>
    <div id="messages"></div>
</body>
</html>

## index.js
/* Chat server*/
/*jslint browser: false*/
'use strict';
var express = require('express');
var cookies = require('cookie-parser');
var cookie = require('cookie');

var app = express();
var port = 8001;

app.use(cookies());

var server = app.listen(port, function () {
    console.log('Chat server listening on port', port);
});

var chat = express.Router();
app.use('/chat', chat);

chat.get('/', function (ignore, res, next) {
    res.sendFile(__dirname + 'index.html', function (err) {
        if (err) {
            res.status(500);
            next(err);
        }
    });
});


// ============================================================================
var io = require('socket.io').listen(server, {path: '/chat/socket.io'});

// Creates socket.cookies object
io.use(function (socket, next) {
    try {
        socket.cookies = cookie.parse(socket.request.headers.cookie);
    } catch (ignore) {
        socket.cookies = {};
    }
    next();
});


// ============================================================================

// Returns an object with a required structure, given a string
function wrap(s) {
    return {message: s};
}


function connected(socket) {
    socket.join(spaceId);
    // welcome message
    socket.emit(messageId, wrap('you are ' + socket.client.id));
    // send to all except itself
    socket.broadcast.emit(messageId, wrap('new user connected: ' + socket.client.id));
}


io.on('connection', function (socket) {
    console.log(socket.cookies, socket.id);

    connected(socket);

    socket.on('disconnect', function () {
        io.emit(messageId, wrap('user disconnected: ' + socket.client.id));
    });

    socket.on(messageId, function (data) {
        try {
            data.from = socket.client.id;

            // send to all including itself
            io.emit(messageId, data);

            // send message to everybody in the room
            // io.sockets.in(spaceId).emit(messageId, data);
        } catch (e) {
            console.log(e);
        }
    });
});

## nginx-server.conf
# Nginx configuration file

# HTTP server
# Redirects all requests to HTTPS server

server {
    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS server

server {
    listen 443;

    ssl on;
    ssl_certificate /etc/ssl/certs/your-domain.crt;
    ssl_certificate_key /etc/ssl/private/your-domain.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    ssl_prefer_server_ciphers on;
    ssl_dhparam /etc/ssl/private/dhparams.pem;
    ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:ECDHE-RSA-AES128-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA128:DHE-RSA-AES128-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA128:ECDHE-RSA-AES128-SHA384:ECDHE-RSA-AES128-SHA128:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA384:AES128-GCM-SHA128:AES128-SHA128:AES128-SHA128:AES128-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";

    add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;

    root /srv/www/your-domain;
    add_header Cache-control public;
    expires 5m;

    # First server
    location / {
        proxy_pass http://127.0.0.1:8000;
    }

    # Second server
    location /chat {
        proxy_pass http://127.0.0.1:8001;

        # websocket support
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Upgrade $http_upgrade;
    }

    # Locations for static content is better to define without regex,
    # according to the author of nginx
    # i.e except of:
    # location ~ \.(gif|jpg|jpeg|png|js|woff|woff2|otf|ttf)$
    # do this:
    location /js/ {}
    location /css/ {}
    location /img/ {}
}
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">

	<title>Chat</title>

	<script src="./socket.io/socket.io.js"></script>
	<script type="text/javascript">

	var chat = io({path: "/chat/socket.io"});

	chat.on("chat message", function(data) {
	var message = '';
	if (data.from) {
	message += (data.from + ': ');
	}
	message += data.message;
	document.getElementById("messages").innerHTML = ("<hr/>" +
	message + document.getElementById("messages").innerHTML);
	});

	function sendMessage() {
	var msg = document.getElementById("message").value;
	chat.emit("chat message", {message: msg});
	}
	</script>
	</head>

	<body>
	<h1>Chat</h1>

	<input type="text" id="message"/>
	<button onclick="sendMessage()">Send</button>
	<div id="messages"></div>
	</body>
	</html>
	/* Chat server*/
	/jslint browser: false/
	'use strict';
	var express = require('express');
	var cookies = require('cookie-parser');
	var cookie = require('cookie');

	var app = express();
	var port = 8001;

	app.use(cookies());

	var server = app.listen(port, function () {
	console.log('Chat server listening on port', port);
	});

	var chat = express.Router();
	app.use('/chat', chat);

	chat.get('/', function (ignore, res, next) {
	res.sendFile(__dirname + 'index.html', function (err) {
	if (err) {
	res.status(500);
	next(err);
	}
	});
	});


	// ============================================================================
	var io = require('socket.io').listen(server, {path: '/chat/socket.io'});

	// Creates socket.cookies object
	io.use(function (socket, next) {
	try {
	socket.cookies = cookie.parse(socket.request.headers.cookie);
	} catch (ignore) {
	socket.cookies = {};
	}
	next();
	});


	// ============================================================================

	// Returns an object with a required structure, given a string
	function wrap(s) {
	return {message: s};
	}


	function connected(socket) {
	socket.join(spaceId);
	// welcome message
	socket.emit(messageId, wrap('you are ' + socket.client.id));
	// send to all except itself
	socket.broadcast.emit(messageId, wrap('new user connected: ' + socket.client.id));
	}


	io.on('connection', function (socket) {
	console.log(socket.cookies, socket.id);

	connected(socket);

	socket.on('disconnect', function () {
	io.emit(messageId, wrap('user disconnected: ' + socket.client.id));
	});

	socket.on(messageId, function (data) {
	try {
	data.from = socket.client.id;

	// send to all including itself
	io.emit(messageId, data);

	// send message to everybody in the room
	// io.sockets.in(spaceId).emit(messageId, data);
	} catch (e) {
	console.log(e);
	}
	});
	});
	# Nginx configuration file

	# HTTP server
	# Redirects all requests to HTTPS server

	server {
	location / {
	return 301 https://$host$request_uri;
	}
	}

	# HTTPS server

	server {
	listen 443;

	ssl on;
	ssl_certificate /etc/ssl/certs/your-domain.crt;
	ssl_certificate_key /etc/ssl/private/your-domain.key;
	ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
	ssl_session_cache shared:SSL:10m;
	ssl_session_timeout 10m;
	ssl_prefer_server_ciphers on;
	ssl_dhparam /etc/ssl/private/dhparams.pem;
	ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:ECDHE-RSA-AES128-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA128:DHE-RSA-AES128-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA128:ECDHE-RSA-AES128-SHA384:ECDHE-RSA-AES128-SHA128:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA384:AES128-GCM-SHA128:AES128-SHA128:AES128-SHA128:AES128-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";

	add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
	add_header X-Frame-Options DENY;
	add_header X-Content-Type-Options nosniff;

	root /srv/www/your-domain;
	add_header Cache-control public;
	expires 5m;

	# First server
	location / {
	proxy_pass http://127.0.0.1:8000;
	}

	# Second server
	location /chat {
	proxy_pass http://127.0.0.1:8001;

	# websocket support
	proxy_http_version 1.1;
	proxy_set_header Host $host;
	proxy_set_header Connection 'upgrade';
	proxy_set_header Upgrade $http_upgrade;
	}

	# Locations for static content is better to define without regex,
	# according to the author of nginx
	# i.e except of:
	# location ~ \.(gif\|jpg\|jpeg\|png\|js\|woff\|woff2\|otf\|ttf)$
	# do this:
	location /js/ {}
	location /css/ {}
	location /img/ {}
	}