INNER CODE UNIT · JavaScript

expressServer

Sandermoen/instaclone · index.js:71

const expressServer = app.listen(PORT, () => {
  console.log(`Backend listening on port ${PORT}`);
});

const io = socketio(expressServer);
app.set('socketio', io);
console.log('Socket.io listening for connections');

// Authenticate before establishing a socket connection
io.use((socket, next) => {
  const token = socket.handshake.query.token;
  if (token) {
    try {
      const user = jwt.decode(token, process.env.JWT_SECRET);
      if (!user) {
        return next(new Error('Not authorized.'));
      }
      socket.user = user;

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