Proprietary auth with .NET Core
The authentication patterns made available by ASP.NET Core are basically the same as supported by the previous versions of ASP.NET:
- No authentication, if we don't feel like implementing anything or if we want to use (or develop) a self-made auth interface without relying upon the ASP.NET Core Identity system
- Individual user accounts, when we set up an internal database to store user data using the standard ASP.NET Identity interface
- Azure Active Directory, which implies using a token-based set of API calls handled by the Azure AD Authentication Library (ADAL)
- Windows authentication, only viable for local-scope applications within Windows domains or Active Directory trees
All these approaches--excluding the first one--are handled by ASP.NET Core Identity, a membership system that allows us to add authentication and authorization functionalities to our application. With ASP.NET Core Identity, we can easily implement a login mechanism that will allow our users to...