webpage authentication based on Shoutcast source IP?

[Hollows]

Hi all

 

What I'd like todo is setup a webpage that allows access if the client's ip matches the ip currently connected to my shoutcast server, the overall goal is to upgrade our Dj Control panel so the currently on air Dj can access the stream controls and anyone else simple gets an error message saying something along the lines of

 

' I'm sorry - another dj is connected at the moment - please try again when you are live '

 

I'm guessing I need to look into php authentication and also using ip's to authenticate a user - I've been using if and else statements at the moment to authenticate users based on a user group id but want to take it a little further and add into that a new step

 

 

 

Can anyone suggest tutorials or material that can help this goal?

 

Or does anyone have an idea how to go about this?

 

 

 

Much respect