You can't get the current user data without their uid. If you have access to the express req object you can grab it with req.uid or if it is a socket call then its socket.uid. The value of uid is 0 if the user is not logged in.
Can't get into plugins on admin settings
If I go to account settings and then plugins, it won't load (hangs there).
This is what I've found on the console (hope it helps):
I'm using NodeBB v0.6.1 (branch: 0.6.x, commit: 7682b56)
Those errors usually mean websockets are not proxied correctly, make sure your nginx setup is correct. If you are using cloudflare you need to disable acceleration. They don't support websockets on smaller plans.