private AuthResponse <T> Authenticate <T>(string token, Func <T> callback)
{
AuthState authState = _WebServer.CheckAuth(Context.ConnectionId, token);
if (authState == AuthState.Authenticated)
{
Groups.Add(Context.ConnectionId, GROUP_AUTHED);
return(AuthResponse <T> .Authenticated(callback.Invoke()));
}
Groups.Remove(Context.ConnectionId, GROUP_AUTHED);
return(AuthResponse <T> .NotAuthenticated(authState));
}