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app.js
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var express = require('express'),
helmet = require('helmet'),
app = express(),
cors = require('cors');
var http = require('http').Server(app);
var io = require('socket.io')(http, { pingInterval: 10000, pingTimeout: 40000 });
//const filesocket = io();
var compression = require('compression')
var passwordHash = require('password-hash');
var nodemailer = require('nodemailer');
app.use(compression());
app.use(cors());
app.use(helmet.frameguard({ action: 'DENY' }));
const fileNamespace = io.of("/files");
app.use((req, res, next) => {
//res.setHeader('content-security-policy',"default-src 'self' 'unsafe-inline' https://chattenger.herokuapp.com https://cdnjs.cloudflare.com https://api.imgur.com https://*.tenor.com https://*.giphy.com https://deezerdevs-deezer.p.rapidapi.com https://cdns-preview-9.dzcdn.net blob: https://cdns-images.dzcdn.net http://localhost:3000 https://kit-free.fontawesome.com https://fonts.gstatic.com wss: ; frame-src 'none'; object-src 'none';media-src 'self' http://localhost:3000 blob: data: https: ;base-uri 'self';script-src 'self' 'unsafe-inline' https://ipinfo.io https://chattenger.herokuapp.com http://localhost:3000 ;img-src https: http://localhost:3000 blob: data: ;upgrade-insecure-requests")
res.setHeader('X-Content-Type-Options', 'nosniff');
//res.setHeader('Access-Control-Allow-Origin', 'https://cdnjs.cloudflare.com https://api.imgur.com https://api.giphy.com https://media.tenor.com https://deezerdevs-deezer.p.rapidapi.com https://cdns-images.dzcdn.net');
if (process.env.NODE_ENV == 'production' && req.headers['x-forwarded-proto'] !== 'https') {
res.redirect('https://' + req.headers.host + req.url);
}
else {
next();
}
});
app.use(express.static('public', { lastModified: false }));
app.use(express.static('public/assets', { maxAge: '300d', lastModified: true }));
app.get("/ping", (req, res) => {
res.send("pong");
})
app.get('/*', (req, res) => {
if (!req.headers.host.includes('localhost') && req.url.includes('?'))
res.redirect('https://' + req.headers.host + req.url);
else
res.redirect('/');
})
app.get('/', function (req, res) {
res.sendfile(__dirname + 'public/index.html?v=1.5');
});
let PORT = process.env.PORT || 4000;
let users = {
un: [],
id: [],
roomid: []
};
let rooms = {
roomsid: ['Testing', 'Private'],
password: [
'sha1$e8356b91$1$aaaa4c491d5a13d559d49ec648ce056e172a36e0',
'sha1$4aa86bfc$1$301405d44bc633d120fd59f516ca113891bf9702'
],
admin: ['Admin', 'Raya'],
population: ['1024', '2'],
adminCode: [
'sha1$a5b65be4$1$536471995a5c5edfc0c4edee0627180cf2ebe845',
'sha1$872cc670$1$2cd7c8c784ec2d0d5f0c9bf851e2ac9dd15f6a82'
],
roomSecret: [
'sha1$96376946$1$90e73be1e4e2eb0e3e766a8850df5f2d24bde2a0',
'sha1$a1c4694e$1$4f93c6d802f2025d42bb6b3f2c590d2b56786254'
],
encryptionKey: [
'sha196376946190e73be1e4e2eb0e3e766a8850df5f2d24bde2a6',
'sha1a1c4694e14f93c6d802f2025d42bb6b3f2c590d2b56786254'
],
};
let videocallusers = {
un: [],
id: [],
room: []
};
let voicecallusers = {
un: [],
id: [],
room: [],
profile: []
};
let clloffer = {};
let redlist = [];
function getUser(roomid) {
return users.un.filter(function (e) {
if (users.roomid[users.un.indexOf(e)] == roomid) return e;
});
}
function getCallUser(roomid, bool) {
if (bool) {
return videocallusers.id.filter(function (e) {
if (videocallusers.room[videocallusers.id.indexOf(e)] == roomid) return e;
})
} else {
return voicecallusers.id.filter(function (e) {
if (voicecallusers.room[voicecallusers.id.indexOf(e)] == roomid) return e;
})
}
}
function checkPopulation(room, user) {
let sum = 0;
for (i of users.roomid) {
if (i == room)
sum++;
}
return rooms.population[rooms.roomsid.indexOf(room)] > sum || user == rooms.admin[rooms.roomsid.indexOf(room)] ;
}
function generateRoom() {
let charsall = "ASDFGHJKLMNBVCXZQWERTYUIOPmnbvcxz2346789051poiuyterwq";
let room = "";
for (var r = 0; r < 8; r++) room += charsall.substr(Math.floor(Math.random() * charsall.length), 1);
return room;
}
let n = 141441414141;
fileNamespace.on("connection", function (socket) {
socket.on("joinroom", function (datas) {
if (socket.roomid) {
console.log("Already joined")
return;
}
console.log("Joinfilesocket", datas)
if (datas.auth == rooms.roomSecret[rooms.roomsid.indexOf(datas.nativeRoom)]&&redlist.indexOf(datas.nativeUser) == -1) {
socket.roomid = datas.nativeRoom;
socket.user = datas.nativeUser;
const index = users.un.indexOf(socket.user);
socket.oid = index > -1 ? users.id[index] : null;
socket.join(datas.nativeRoom);
socket.emit("roomjoined")
}
else {
socket.emit("errorconnecting", "Connection to filesocket was lost.")
}
})
socket.on('sendingfile', function (datas) {
if (typeof datas === 'object') {
if (redlist.indexOf(datas.user) == -1) {
// save bandwidth...io.to(datas.roomid).emit('updateuser', getUser(datas.roomid));
if ((rooms.roomSecret.indexOf(datas.auth) > -1) && (datas.auth == rooms.roomSecret[rooms.roomsid.indexOf(datas.roomid)])) socket
.broadcast.to(datas.roomid).emit('newmsgfile', datas);
} else socket.leave(datas.roomid);
}
});
socket.on('delete', function (data) {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.oid && data.para == 'right' && users.roomid[users.un.indexOf(data.user)] == socket
.roomid && (data.auth == rooms.roomSecret[rooms.roomsid.indexOf(socket.roomid)])) {
fileNamespace.to(socket.roomid).emit('deleting', {
id: data.msgid,
owner: data.user
});
}
}
});
})
io.on('connection', function (socket) {
//socket.id = n++;
socket.on('setUsername', function (data) {
try {
if (typeof data === 'object') {
//changes start from here
//changed only till above
if (!(data.name).match(/^[a-zA-Z0-9_ ]+$/) || !(data.roomid).match(/^[A-Za-z0-9_ ]+$/)) {
socket.emit('userExists', 'your input has unallowed characters<br>.only alphabets, numbers,underscores and spaces are allowed in roomid and username');
return;
}
if (redlist.indexOf(data.name) > -1) redlist.splice(redlist.indexOf(data.name), 1);
let totaljoined = getUser(data.roomid);
if (data.name != null) data.name = (data.name).trim();
if (data.password) data.password = (data.password).trim();
if ((rooms.admin.indexOf(data.name) > -1) && (rooms.roomsid.indexOf(data.roomid) != rooms.admin.indexOf(data.name)) || (users.un.indexOf(
data.name) > -1) || users.id.indexOf(socket.id) > -1 || (data.name == null) || (data.name == "" || data.name.indexOf('qw') > -1 || data.name.indexOf(',') > -1 ||
data.password == null || data.password == "")) {
if ((users.un.indexOf(data.name) > -1) || data.name.indexOf(',') > -1 || data.name.indexOf('qw') > -1) socket.emit('userExists', data.name +
' username is either taken or invalid! \nTry some other username.');
else if (users.id.indexOf(socket.id) > -1) {
socket.emit('refreshit');
} else if ((rooms.admin.indexOf(data.name) > -1) && (rooms.roomsid.indexOf(data.roomid) != rooms.admin.indexOf(data.name))) socket.emit(
'userExists', 'Try some other username!\nThis username is not available');
else socket.emit('userExists', 'Invalid credential!\nMake sure your name \nor password is not blank!');
} else {
if (((rooms.roomsid.indexOf(data.roomid)) > -1) && (passwordHash.verify(data.password, rooms.password[rooms.roomsid.indexOf(data
.roomid)]))) {
let admin = rooms.admin[rooms.roomsid.indexOf(data.roomid)];//admin can join the room even if it is full
if (rooms.population[rooms.roomsid.indexOf(data.roomid)] > totaljoined.length || admin == data.name) {
if (admin != data.name) {
users.un.push(data.name);
users.roomid.push(data.roomid);
users.id.push(socket.id);
if (videocallusers.un.indexOf(data.name) > -1) {
videocallusers.id.splice(videocallusers.un.indexOf(data.name), 1);
videocallusers.room.splice(videocallusers.un.indexOf(data.name), 1);
videocallusers.un.splice(videocallusers.un.indexOf(data.name), 1);
}
if (voicecallusers.un.indexOf(data.name) > -1) {
voicecallusers.id.splice(voicecallusers.un.indexOf(data.name), 1);
voicecallusers.room.splice(voicecallusers.un.indexOf(data.name), 1);
voicecallusers.profile.splice(voicecallusers.un.indexOf(data.name), 1);
voicecallusers.un.splice(voicecallusers.un.indexOf(data.name), 1);
}
console.log(users);
socket.roomid = data.roomid;
socket.join(data.roomid);
console.log('new user connected to the server.Total ' + users.un.length);
const index = rooms.roomsid.indexOf(data.roomid)
socket.emit('userSet', {
username: data.name,
password: data.password,
admin: admin,
auth: index > -1 ? rooms.roomSecret[index] : generateRoom(),
encryptionKey: index > -1 ? rooms.encryptionKey[index] : generateRoom(),
color: "black",
roomid: data.roomid
});
if (data.name != null) io.to(data.roomid).emit('connected', {
userjoined: data.name,
population: rooms.population[rooms.roomsid.indexOf(data.roomid)],
userNow: getUser(data.roomid)
});
} else {
socket.emit('verifyAdmin');
}
} else {
socket.emit('userExists', 'You cannot join this room!\nRoom is full!');
}
} else socket.emit('userExists', 'Invalid credential!\nEnter valid room id or password!');
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('verifying', function (data) {
try {
if (typeof data === 'object') {
if (passwordHash.verify(data.value, rooms.adminCode[rooms.roomsid.indexOf(data.roomid)])) {
socket.emit('successverify');
users.un.push(data.admin);
let admin = rooms.admin[rooms.roomsid.indexOf(data.roomid)];
users.roomid.push(data.roomid);
users.id.push(socket.id);
if (redlist.indexOf(data.admin) > -1) redlist.splice(redlist.indexOf(data.admin), 1);
if (videocallusers.un.indexOf(data.admin) > -1) {
videocallusers.id.splice(videocallusers.un.indexOf(data.admin), 1);
videocallusers.room.splice(videocallusers.un.indexOf(data.admin), 1);
videocallusers.un.splice(videocallusers.un.indexOf(data.admin), 1);
}
if (voicecallusers.un.indexOf(data.admin) > -1) {
voicecallusers.id.splice(voicecallusers.un.indexOf(data.admin), 1);
voicecallusers.room.splice(voicecallusers.un.indexOf(data.admin), 1);
voicecallusers.profile.splice(voicecallusers.un.indexOf(data.admin), 1);
voicecallusers.un.splice(voicecallusers.un.indexOf(data.admin), 1);
}
socket.roomid = data.roomid;
socket.join(data.roomid);
const index = rooms.roomsid.indexOf(data.roomid)
socket.emit('userSet', {
username: data.admin,
password: data.password,
admin: admin,
color: "black",
auth: index > -1 ? rooms.roomSecret[index] : generateRoom(),
encryptionKey: index > -1 ? rooms.encryptionKey[index] : generateRoom(),
roomid: data.roomid
});
io.to(data.roomid).emit('connectedadmin', {
admin: admin,
population: rooms.population[rooms.roomsid.indexOf(data.roomid)],
roomid: data.roomid,
color: "black",
userNow: getUser(data.roomid)
});
} else socket.emit('failedverify');
}
}
catch (e) {
console.log(e)
}
})
socket.on('Delroom', function (info) {
try {
if (typeof (info) != 'object') return;
let index = rooms.roomsid.indexOf(info.roomid);
if (index < 0) {
socket.emit('securitydanger', "Error in deleting room");
return;
}
let Admin = rooms.admin[index];
let roomauth = rooms.roomSecret[index];
if (users.un.indexOf(info.user) == users.id.indexOf(socket.id) && info.user == Admin && info.auth == roomauth) {
rooms.admin.splice(index, 1);
rooms.adminCode.splice(index, 1);
rooms.roomSecret.splice(index, 1);
rooms.password.splice(index, 1);
rooms.population.splice(index, 1);
rooms.roomsid.splice(index, 1);
socket.broadcast.to(info.roomid).emit('securitydanger', 'This room has been deleted by admin.There will be now no any update on this room');
socket.emit("securitydanger", "Request for deletion has been accepted");
setTimeout(function () {
io.to(info.roomid).emit('refreshit');
console.log(rooms);
}, 2500);
}
else {
socket.emit('securitydanger', "Action failed");
}
}
catch (e) {
console.log(e)
}
})
socket.on('changeprofilepic', function (e) {
try {
if (typeof e === 'object') {
if (users.id[users.un.indexOf(e.user)] == socket.id && users.roomid[users.un.indexOf(e.user)] == e.roomid) io.to(e.roomid).emit(
'changeprofilepic', e);
}
}
catch (e) {
console.log(e)
}
})
socket.on('createNewRoom', function (data) {
try {
if (typeof data === 'object') {
if (!(data.name).match(/^[a-zA-Z0-9_ ]+$/) || !(data.roomid).match(/^[a-zA-Z0-9_ ]+$/)) {
socket.emit('userExists', 'your input has unallowed characters<br>.only alphabets, numbers,underscores and spaces are allowed in roomid and username');
return;
}
if (redlist.indexOf(data.name) > -1) redlist.splice(redlist.indexOf(data.name), 1);
if (data.name != null) data.name = (data.name).trim();
data.roomid = (data.roomid).trim();
if ((rooms.admin.indexOf(data.name) > -1) || data.name.indexOf('qw') > -1 || data.name.indexOf(',') > -1 || (users.un.indexOf(data.name) > -1) || users.id.indexOf(socket
.id) > -1 || (Number(data.population) == NaN) || (Number(data.population) != parseInt(data.population)) || data.population < 2 || (
data.name == "") || !data.password.match(/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{6,20}$/) || data.roomid.length < 4 || data.roomid.length > 8 || data
.adminCode == null || data.adminCode == "") {
if (data.adminCode == null || data.adminCode == "") socket.emit('userExists', 'Admin code \ncannot be empty');
else if (rooms.admin.indexOf(data.name) > -1 || (users.un.indexOf(data.name) > -1) || data.name.indexOf('qw') > -1 || data.name.indexOf(',') > -1) socket.emit(
'userExists', data.name + ' username is either taken or invalid! \nTry some other username.');
else if (users.id.indexOf(socket.id) > -1) {
socket.emit('refreshit');
} else {
if (!data.password.match(/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{6,20}$/)) {
socket.emit('userExists', 'Password is not valid.Please use a strong password of length 6-20 which should contain atleast one special character,one capital letter,one small letter and one number')
return;
}
if (data.roomid.length < 4 || data.roomid.length > 8) socket.emit('userExists',
'Inappropriate room id!\nTry 4-8 characters long.\nAlso make sure that password is \n6-20 characters long');
if (data.name == "") socket.emit('userExists', 'username cannot be empty or contain simply whitespaces');
if ((Number(data.population) == NaN) || (Number(data.population) != parseInt(data.population))) socket.emit('userExists',
'You have entered invalid\nnumber for max users\nEnter only integral values larger than 1');
}
} else {
if ((rooms.roomsid.indexOf(data.roomid) == -1) && (rooms.password.indexOf(passwordHash.generate(data.password)) == -1)) {
users.un.push(data.name);
users.roomid.push(data.roomid);
users.id.push(socket.id);
rooms.population.push(data.population);
rooms.roomsid.push(data.roomid);
rooms.adminCode.push(passwordHash.generate(data.adminCode));
rooms.password.push(passwordHash.generate(data.password));
rooms.admin.push(data.name);
rooms.roomSecret.push(passwordHash.generate(generateRoom()));
rooms.encryptionKey.push((passwordHash.generate(generateRoom()).toString().split('$').join('')));
console.log(users);
console.log(rooms);
socket.roomid = data.roomid;
socket.join(data.roomid);
const index = rooms.roomsid.indexOf(data.roomid)
socket.emit('userSet', {
username: data.name,
password: data.password,
admin: data.name,
color: "black",
roomid: data.roomid,
auth: index > -1 ? rooms.roomSecret[index] : generateRoom(),
encryptionKey: index > -1 ? rooms.encryptionKey[index] : generateRoom(),
});
if (data.name != null) io.to(data.roomid).emit('connectedadmin', {
admin: data.name,
population: data.population,
roomid: data.roomid,
color: "black",
userNow: getUser(data.roomid)
});
} else socket.emit('userExists', 'this roomID is already taken...\nTry other');
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('changepwd', function (data) {
try {
if (typeof data === 'object') {
let ADMIN = rooms.admin[rooms.roomsid.indexOf(data.roomid)];
let adminid = users.id[users.un.indexOf(ADMIN)];
if (ADMIN == data.user && adminid == socket.id && (data.auth == rooms.roomSecret[rooms.roomsid.indexOf(data.roomid)])) {
if (!data.value.trim().match(/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{6,20}$/)) {
socket.emit('securitydanger', 'Changing failed!<br>Nothing was changed!<br>Password was not changed because it did not meet the required constraints.Please use a strong password of length 6-20 which should contain atleast one special character,one capital letter,one small letter and one number')
return;
}
else {
rooms.password[rooms
.roomsid.indexOf(data.roomid)] = passwordHash.generate(data.value.trim());
}
if (Number(data.population) != parseInt(data.population) || data.population < 2) {
socket.emit('securitydanger', 'Changing failed!<br>only password was changed!<br>You cannot have less than 2 members in your room or non-integral number as population.');
return;
}
rooms.population[rooms.roomsid.indexOf(data.roomid)] = parseInt(data.population);
io.to(data.roomid).emit('updateuser', { users: getUser(data.roomid), population: data.population })
}
else {
clloffer[socket.id] = users.id.indexOf(socket.id) > -1 ? 'User belongs to roomid:' + users.roomid[users.id.indexOf(socket.id)] + '\nusername:' + users.un[users.id.indexOf(socket.id)] : 'the user is unknown to server as he/she/it has not joined any room';
io.to(users.id[users.un.indexOf(rooms.admin[rooms.roomsid.indexOf(data.roomid)])]).emit('securitydanger', 'A user recently tried to access your power of changing password for your group,we have blocked it and protected the misuse of your privilege<br><br><b>Detail:</b><br>' + clloffer[socket.id])
clloffer[socket.id] = null;
}
}
}
catch (e) {
console.log(e)
}
})
socket.on('msg', function (datas) {
try {
if (typeof datas === 'object') {
if (!datas.message) {
datas.message = "";
}
if (redlist.indexOf(datas.user) == -1) {
if (users.un.indexOf(datas.user) == -1 && users.id.indexOf(socket.id) == -1 && (rooms.roomSecret.indexOf(datas.auth) > -1) && (datas
.auth == rooms.roomSecret[rooms.roomsid.indexOf(datas.roomid)]) && checkPopulation(datas.roomid, datas.user)) {
users.un.push(datas.user);
users.roomid.push(datas.roomid);
users.id.push(socket.id);
socket.roomid = datas.roomid;
socket.join(datas.roomid);
if (videocallusers.un.indexOf(datas.user) > -1) videocallusers.id[videocallusers.un.indexOf(datas.user)] = socket.id;
if (voicecallusers.un.indexOf(datas.user) > -1) voicecallusers.id[voicecallusers.un.indexOf(datas.user)] = socket.id;
io.to(datas.roomid).emit('reconnecteds', {
userconnected: datas.user,
userNow: getUser(datas.roomid)
});
}
io.to(datas.roomid).emit('updateuser', { users: getUser(datas.roomid), population: rooms.population[rooms.roomsid.indexOf(datas.roomid)] });
if (users.id[users.un.indexOf(datas.user)] == socket.id && users.roomid[users.un.indexOf(datas.user)] == datas.roomid && (datas.auth ==
rooms.roomSecret[rooms.roomsid.indexOf(datas.roomid)])) {
if (datas.to) {
if ((users.un.indexOf(datas.to) > -1) && users.roomid[users.un.indexOf(datas.to)] == datas.roomid) {
io.to(users.id[users.un.indexOf(datas.to)]).emit('newmsg', datas);
}
else {
socket.emit('securitydanger', '<b style="color:red">Failed!!</b><br><br>The username ' + datas.to + ' does not exist in your room!<br>Please type correct username!Your last msg was not sent to anyone')
}
}
else {
socket.broadcast.to(datas.roomid).emit('newmsg', datas);
}
}
} else socket.leave(datas.roomid);
}
}
catch (e) {
console.log(e)
}
});
socket.on('sendingfile', function (datas) {
try {
if (typeof datas === 'object') {
if (redlist.indexOf(datas.user) == -1) {
if (users.un.indexOf(datas.user) == -1 && users.id.indexOf(socket.id) == -1 && (rooms.roomSecret.indexOf(datas.auth) > -1) && (datas
.auth == rooms.roomSecret[rooms.roomsid.indexOf(datas.roomid)]) && checkPopulation(datas.roomid, datas.user)) {
users.un.push(datas.user);
users.roomid.push(datas.roomid);
users.id.push(socket.id);
socket.roomid = datas.roomid;
socket.join(datas.roomid);
if (videocallusers.un.indexOf(datas.user) > -1) videocallusers.id[videocallusers.un.indexOf(datas.user)] = socket.id;
if (voicecallusers.un.indexOf(datas.user) > -1) voicecallusers.id[voicecallusers.un.indexOf(datas.user)] = socket.id;
io.to(datas.roomid).emit('reconnecteds', {
userconnected: datas.user,
userNow: getUser(datas.roomid)
});
}
// save bandwidth...io.to(datas.roomid).emit('updateuser', getUser(datas.roomid));
if ((rooms.roomSecret.indexOf(datas.auth) > -1) && (datas.auth == rooms.roomSecret[rooms.roomsid.indexOf(datas.roomid)])) socket
.broadcast.to(datas.roomid).emit('newmsgfile', datas);
} else socket.leave(datas.roomid);
}
}
catch (e) {
console.log(e)
}
});
socket.on('disconnectmember', function (data) {
try {
if (typeof data === 'object') {
if ((rooms.admin[rooms.roomsid.indexOf(data.roomid)] == data.user) && (users.id[users.un.indexOf(data.user)] == socket.id) && (data.auth ==
rooms.roomSecret[rooms.roomsid.indexOf(data.roomid)])) {
io.to(data.roomid).emit('rejected', { user: data.member });
redlist.push(data.member);
}
else {
clloffer[socket.id] = users.id.indexOf(socket.id) > -1 ? 'User belongs to roomid:' + users.roomid[users.id.indexOf(socket.id)] + '\nusername:' + users.un[users.id.indexOf(socket.id)] : 'the user is unknown to server as he/she/it has not joined any room';
io.to(users.id[users.un.indexOf(rooms.admin[rooms.roomsid.indexOf(data.roomid)])]).emit('securitydanger', 'A user recently tried to access your power of removing memeber in the group,we have blocked it and protected the misuse of your privilege<br><br><b>Detail:</b><br>' + clloffer[socket.id])
clloffer[socket.id] = null;
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('changestate', function (data) {
try {
if (typeof data === 'object') {
let all = getCallUser(data.roomid, false);
if (users.id[users.un.indexOf(data.user)] == socket.id) {
for (x of all) io.to(x).emit('changestate', data);
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('videovoice', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id) {
for (x of getCallUser(data.roomid, true)) io.to(x).emit('videovoice', data);
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('locationerr', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && users.roomid[users.un.indexOf(data.user)] == data.roomid && (data.auth == rooms
.roomSecret[rooms.roomsid.indexOf(data.roomid)])) {
io.to(data.roomid).emit('errorinfoloc', data.message);
if (videocallusers.un.indexOf(data.user) > -1) videocallusers.id[videocallusers.un.indexOf(data.user)] = socket.id;
if (voicecallusers.un.indexOf(data.user) > -1) voicecallusers.id[voicecallusers.un.indexOf(data.user)] = socket.id;
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('istyping', function (data) {
try {
if (typeof data === 'object') {
if (redlist.indexOf(data.user) == -1) {
if (users.id[users.un.indexOf(data.user)] == socket.id && users.roomid[users.un.indexOf(data.user)] == data.roomid && (data.auth ==
rooms.roomSecret[rooms.roomsid.indexOf(data.roomid)])) io.to(data.roomid).emit('handletype', data.user);
} else socket.leave(data.roomid);
}
}
catch (e) {
console.log(e)
}
});
socket.on('sendoffer', function (value) {
try {
value = JSON.parse(value);
if (typeof value === 'object') {
if (users.id[users.un.indexOf(value.user)] == socket.id && users.roomid[users.un.indexOf(value.user)] == value.roomid && (value.auth ==
rooms.roomSecret[rooms.roomsid.indexOf(value.roomid)])) {
if (value.type == 'video') {
if (videocallusers.un.indexOf(value.user) == -1 && (videocallusers.id.indexOf(socket.id) == -1)) {
videocallusers.un.push(value.user);
videocallusers.id.push(socket.id);
videocallusers.room.push(generateRoom());
}
else {
videocallusers.id[videocallusers.un.indexOf(value.user)] = socket.id;
}
} else {
if (voicecallusers.un.indexOf(value.user) == -1 && voicecallusers.id.indexOf(socket.id) == -1) {
voicecallusers.un.push(value.user);
voicecallusers.id.push(socket.id);
voicecallusers.room.push(generateRoom());
voicecallusers.profile.push(value.profile);
}
else {
voicecallusers.id[voicecallusers.un.indexOf(value.user)] = socket.id;
voicecallusers.profile[voicecallusers.un.indexOf(value.user)] = value.profile;
}
}
value.callroom = (value.type == 'video') ? videocallusers.room[videocallusers.un.indexOf(value.user)] : voicecallusers.room[
voicecallusers.un.indexOf(value.user)];
if (verifyUser(value.target, value.callroom, value.type)) {
socket.emit('deniedoffer', {data:JSON.stringify({ target: value.target, callroom: value.callroom })});
return;
}
console.log('vc user', videocallusers);
console.log('call user', voicecallusers);
socket.emit('setcallroom', value.callroom);
let target = users.id[users.un.indexOf(value.target)];
clloffer[value.target + '_' + value.callroom] = true;
clloffer[value.user + '_' + value.callroom] = true;
console.log('initiating offer allow\nFrom id:', socket.id, 'To:', target);
io.to(target).emit('sendingoffer', JSON.stringify(value));
}
}
}
catch (e) {
console.log(e)
}
})
socket.on("candidate", function (msg) {
// console.log('\n' + JSON.stringify(msg) + '\n');
try {
console.log('candidate \nFrom id:', socket.id, 'To:', msg.id);
io.to(msg.id).emit("candidate", {
id: socket.id,
user: msg.user,
candidate: msg.candidate
});
}
catch (e) {
console.log(e)
}
});
socket.on("sdp", function (msg) {
//console.log('\n' + msg + '\n');
try {
msg = JSON.parse(msg);
if (msg.auth == rooms.roomSecret[rooms.roomsid.indexOf(msg.roomid)] && clloffer[msg.user + '_' + msg.callroom] && clloffer[msg.targetuser + '_' + msg.callroom]) {
let k = users.id[users.un.indexOf(msg.targetuser)];
if (k) {
msg.target = k;
console.log('sdp \nFrom id:', socket.id, 'To:', k);
io.to(msg.target).emit("sdp", JSON.stringify(msg));
console.log('sdp sent');
}
}
else {
socket.emit('disconnectingvdo', {
type: msg.type,
msg: "call already closed",
user: msg.targetuser
});
}
}
catch (e) {
console.log(e)
}
});
socket.on("answer", function (msg) {
//console.log('\n' + msg + '\n');
try {
msg = JSON.parse(msg);
console.log('sending answer\nFrom id:', socket.id, 'To:', msg.target);
io.to(msg.target).emit("answer", JSON.stringify(msg));
}
catch (e) {
console.log(e)
}
});
socket.on('offeraccepted', function (msg) {
try {
msg = JSON.parse(msg);
console.log(msg);
const ind = users.un.indexOf(msg.target);
const rid = rooms.roomsid.indexOf(msg.roomid);
if (typeof msg === 'object' && users.roomid[ind] == msg.roomid) {
if (users.id[ind] == socket.id && (msg.auth == rooms.roomSecret[rid]) && clloffer[
msg.target + '_' + msg.callroom] && clloffer[
msg.user + '_' + msg.callroom]) {
if (msg.type == 'video' || msg.type == true) {
msg.group = getCallUser(msg.callroom, true);
if (videocallusers.un.indexOf(msg.target) > -1) {
videocallusers.id.splice(videocallusers.un.indexOf(msg.target), 1);
videocallusers.room.splice(videocallusers.un.indexOf(msg.target), 1);
videocallusers.un.splice(videocallusers.un.indexOf(msg.target), 1);
}
if (videocallusers.id.indexOf(socket.id) == -1) {
videocallusers.un.push(msg.target);
videocallusers.id.push(socket.id);
videocallusers.room.push(msg.callroom);
}
} else {
msg.group = getCallUser(msg.callroom, false);
if (voicecallusers.un.indexOf(msg.target) > -1) {
voicecallusers.id.splice(videocallusers.un.indexOf(msg.target), 1);
voicecallusers.room.splice(videocallusers.un.indexOf(msg.target), 1);
voicecallusers.profile.splice(voicecallusers.un.indexOf(msg.target), 1);
voicecallusers.un.splice(videocallusers.un.indexOf(msg.target), 1);
}
if (voicecallusers.id.indexOf(socket.id) == -1) {
voicecallusers.un.push(msg.target);
voicecallusers.id.push(socket.id);
voicecallusers.room.push(msg.callroom);
voicecallusers.profile.push(msg.profile);
}
}
console.log("offeraccepted");
console.log('vc user', videocallusers);
console.log('call user', voicecallusers);
for (x of msg.group) {
console.log('sending offer\nFrom id:', socket.id, 'To:', x);
io.to(x).emit('createoffer', {
id: socket.id,
callroom: msg.callroom,
length: msg.group.length,
profile: msg.profile,
offerer: false,
user: users.un[users.id.indexOf(socket.id)]
});
socket.emit('createoffer', {
id: x,
callroom: msg.callroom,
offerer: true,
length: msg.group.length,
profile: voicecallusers.profile[voicecallusers.id.indexOf(x)],
user: users.un[users.id.indexOf(x)]
});
}
}
else {
socket.emit('disconnectingvdo', {
type: msg.type == 'video' || msg.type == true,
msg: "call already closed",
user: msg.user
});
}
}
else {
socket.emit('disconnectingvdo', {
type: msg.type == 'video' || msg.type == true,
msg: "call already closed",
user: msg.user
});
}
}
catch (e) {
console.log(e)
}
});
socket.on('sendingspecial', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && users.roomid[users.un.indexOf(data.user)] == data.roomid) socket.broadcast.to(
data.roomid).emit('sendingspecial', data);
}
}
catch (e) {
console.log(e)
}
});
socket.on('renderspecial', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && users.roomid[users.un.indexOf(data.user)] == data.roomid) socket.broadcast.to(
data.roomid).emit('renderspecial', data);
}
}
catch (e) {
console.log(e)
}
});
socket.on('cancelspecial', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && users.roomid[users.un.indexOf(data.user)] == data.roomid) socket.broadcast.to(
data.roomid).emit('cancelspecial', data);
}
}
catch (e) {
console.log(e)
}
});
function verifyUser(user, callroom, type) {
try {
if (type == "video") {
console.log(videocallusers);
return videocallusers.room[videocallusers.un.indexOf(user)] == callroom;
}
if (type == 'audio') {
console.log(voicecallusers);
return voicecallusers.room[voicecallusers.un.indexOf(user)] == callroom;
}
}
catch (e) {
console.log(e)
}
}
socket.on('offerdenied', function (m) {
try {
msg = JSON.parse(m.data);
console.log("offer rejected by " + msg.target);
console.log(msg);
if (typeof msg === 'object') {
let senderid = users.id[users.un.indexOf(msg.user)];
if (msg.auth == rooms.roomSecret[rooms.roomsid.indexOf(msg.roomid)] && users.id[users.un.indexOf(msg.target)] == socket.id && clloffer[msg.user + '_' + msg.callroom]) {
io.to(senderid).emit('deniedoffer', {data:JSON.stringify(msg),msg:m.msg});
clloffer[msg.target + '_' + msg.callroom] = null;
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('disconnectingit', function (msg) {
try {
msg = JSON.parse(msg);
console.log("prev status");
console.log('vc user', videocallusers);
console.log('call user', voicecallusers);
if (typeof msg === 'object') {
if (!msg.roomid) {
return;
}
if (users.id[users.un.indexOf(msg.user)] == socket.id) {
clloffer[msg.user + '_' + msg.roomid] = null;
if (msg.type) {
let inte = videocallusers.un.indexOf(msg.user);
console.log(inte);
if (inte > -1) {
videocallusers.id.splice(inte, 1);
videocallusers.room.splice(inte, 1);
videocallusers.un.splice(inte, 1);
}
} else {
let inte = voicecallusers.un.indexOf(msg.user);
console.log(inte);
if (inte > -1) {
voicecallusers.id.splice(inte, 1);
voicecallusers.room.splice(inte, 1);
voicecallusers.profile.splice(inte, 1);
voicecallusers.un.splice(inte, 1);
}
}
let all = getCallUser(msg.roomid, msg.type);
for (x of all) io.to(x).emit('disconnectingvdo', {
type: msg.type,
msg: msg.showmsg,
id: socket.id,
user: msg.user
});
console.log("disconnectingvdo event...", msg);
console.log('vc user', videocallusers);
console.log('call user', voicecallusers);
}
}
}
catch (e) {
console.log(e)
}
});
socket.on('rejoinra', function (data) {
try {
if (typeof data === 'object') {
if (users.id.indexOf(socket.id) > -1)
return;
if (!socket.id) {
socket.emit('retry');
return;
}
if (redlist.indexOf(data.user) == -1) {
if (socket.id && users.id.indexOf(socket.id) == -1 && (rooms.roomSecret.indexOf(data.auth) > -1)
&& (data.auth == rooms.roomSecret[rooms.roomsid.indexOf(data.room)]) && checkPopulation(data.room, data.user)) {
socket.roomid = data.room;
socket.join(data.room);
if (users.un.indexOf(data.user) == -1) {
users.un.push(data.user);
users.roomid.push(data.room);
if (videocallusers.un.indexOf(data.user) > -1) {
videocallusers.id[videocallusers.un.indexOf(data.user)] = socket.id;
}
if (voicecallusers.un.indexOf(data.user) > -1) {
voicecallusers.id[voicecallusers.un.indexOf(data.user)] = socket.id;
}
users.id.push(socket.id);
console.log('user reconnected \n');
console.log(voicecallusers, '\n', videocallusers);
console.log(users, '\n', rooms);
io.to(data.room).emit('reconnecteds', {
userconnected: data.user,
userNow: getUser(data.room)
});
}
else {
users.id[users.un.indexOf(data.user)] = socket.id;
if (videocallusers.un.indexOf(data.user) > -1) {
videocallusers.id[videocallusers.un.indexOf(data.user)] = socket.id;
}
if (voicecallusers.un.indexOf(data.user) > -1) {
voicecallusers.id[voicecallusers.un.indexOf(data.user)] = socket.id;
}
io.to(data.room).emit('reconnecteds', {
userconnected: data.user,
userNow: getUser(data.room)
});
}
}
if ((rooms.roomSecret.indexOf(data.auth) == -1) && (data.auth != rooms.roomSecret[rooms.roomsid.indexOf(data.room)])) socket.emit(
'nolonger',
"Your access token is nolonger valid.Please refresh the page and create new room to continue chatting"
);
else {
socket.emit('retry');
}
} else socket.leave(data.roomid);
}
}
catch (e) {
console.log(e)
}
})
socket.on('delete', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && data.para == 'right' && users.roomid[users.un.indexOf(data.user)] == data
.roomid && (data.auth == rooms.roomSecret[rooms.roomsid.indexOf(data.roomid)])) io.to(data.roomid).emit('deleting', {
id: data.msgid,
owner: data.user
});
}
}
catch (e) {
console.log(e)
}
});
socket.on('refreshlist', function (data) {
try {
if (typeof data === 'object') {
if (users.id[users.un.indexOf(data.user)] == socket.id && (data.auth == rooms.roomSecret[rooms.roomsid.indexOf(data.roomid)])) {
if (videocallusers.un.indexOf(data.user) > -1) {
videocallusers.room.splice(videocallusers.un.indexOf(data.user), 1);
videocallusers.id.splice(videocallusers.un.indexOf(data.user), 1);
videocallusers.un.splice(videocallusers.un.indexOf(data.user), 1);
}
if (voicecallusers.un.indexOf(data.user) > -1) {
voicecallusers.room.splice(voicecallusers.un.indexOf(data.user), 1);
voicecallusers.id.splice(voicecallusers.un.indexOf(data.user), 1);
voicecallusers.profile.splice(voicecallusers.un.indexOf(data.user), 1);
voicecallusers.un.splice(voicecallusers.un.indexOf(data.user), 1);
}
console.log("Refreshed list");
console.log('vc user', videocallusers);
console.log('call user', voicecallusers);
}
}
}
catch (e) {
console.log(e)
}
})
socket.on('disconnect', function (reason) {
try {
if (users.id.indexOf(socket.id) > -1) {