Firefox 57 Quantum on non-Linux: request not available in intercepts

[Cantor, Scott]

> we want to report a strange behaviour with the new Firefox on Windows or
> Mac: When the IdP should show an intercept view that contains the usual
> 
>     $request.getContextPath()
> 
> it will fail, showing the "stale request" error page. From the logs it
> looks like this $request variable is either not accessible or does not
> have the getContextPath() method.

It is impossible for that to be browser-specific, so that doesn't suggest the analysis here is correct. If it's your view, I would guess that you didn't populate the view with that variable. It's not automatic.

-- Scott