io.on('connection',function(socket){
  var authed = false;
  socket.on('auth',function(username,md5){
    var authServer = AUTH_SERVER + username;
    var buffer = new Buffer(md5);
    request({
      method : 'POST',
      uri : authServer,
      body : buffer
    },function(err,res,body){
      if (err)
        return;
      if (res.statusCode == 403)
        socket.emit('AuthFailed');
      else
      {
        socket.emit('AuthSucceed');
        authed = true;
      }
    })
  });
  socket.on('message',function(message) {
      socket.broadcast.emit('recmessage',message);
  });
});