A while back I wanted to create an ASP.Net MVC client for Google Fit that charted my weight. It turned out that offline Google authentication wasn’t as straight forward as one would hope. This article will explain how it works using Google Fit as an example. The code is applicable to the whole Google API. In this example only one authorization is stored and used across multiple accounts.
There are many projects that are way too small to setup an ASP.Net membership configuration or OWIN authentication. But you still want to protect your applications by one or more accounts. What to do?
Well… there is a small – but obsolete (!!) – thing that you can try: ASP.Net Forms Authentication. While it is obsolete, it is still usable. In this article I’ll show how to implement it for MVC.Net.