ASP。NET MVC + Web API2 + AngularJS授权和认证

I'm developing one large application, which will consist of both ASP.NET MVC and AngularJS+Web Api2 on back-end. Previously I have used MVC forms authorization in my applications. There are lots of examples how to use token based authorization with AngularJS+Web Api, but can't find complete solution that will fit both cases. I'm developing one large application, which wil