How to get the IP of the request in the event listener

[ntbutler-nbcs]

Hi all.

I want to be able to log the user's IP against the user when they are authenticated, but can't figure out how to do this. I'm working in the event listener that handles the \Slides\Saml2\Events\SignedIn::class event, but that doesn't seem to have access to the request so I can't get the IP that way.

I did try adding the IP to the session before my router/controller redirects the user to the IdP to auth, but it looks like the session is overwritten with a new session by the time the SignedIn event is triggered, so that value no longer exists in the session.

Any ideas would be welcome.
Cheers!