Maybe I am trying to do something stupid but...
I am attempting to build a ServiceStack OAuth Provide for Azure AD. The redirect URI is passed through by the SS Authentication but I am not sure what to do when the initiating request is a POST rather than a GET. The final redirect is always a GET and I cannot work out how to preserve the initial form data.
Amy I trying to do something reasonable? Any clues on where I should look to preserve my sanity?
You can't redirect to a POST reliably, one solution is to return HTML that auto submits a FORM POST: