Series: Monkey Logon - Xamarin, ASP.NET Core 2 & External OAuth
A common case for a modern mobile app: Users should be enabled to log on to a mobile app using external authentication providers only, e.g. Facebook or Google. The mobile app has a backing web service and it must safely and securely “share the user authentication” with the service to authorize service requests issued by the app. This blog series demonstrates my approach on this issue with a mobile Xamarin app and a .NET Core 2-based web service.