ASP.NET Core Identity Series

The most complete guide for ASP.NET Core Identity

Part 1 - Getting Started

• Introduction to ASP.NET Core Identity library
• Describe ASP.NET Core Identity basic archirecture
• Explain the role and relationship between Stores and Managers and how they function under the hood
• Explain what Claims, ClaimsIdentity and ClaimsPrincipal entities are and how they are related
• Step by step guide on how to install and start using the core packages
• Associated repository branch: getting-started

Part 2 - Integrate Entity Framework

• Introduce Microsoft.Extensions.Identity.Stores and UserStoreBase store implementations
• Plug and configure Entity Framework Core with ASP.NET Core Identity and minimum configuration
• Explain Entity Framework different store implementations such as UserOnlyStore or UserStore
• Step by step guide for applying migrations and creating Identity's SQL Schema
• Discuss whether you should use ASP.NET Core Identity with Entity Framework
• Associated repository branch: entity-framework-integration

Part 3 - Deep Dive in authorization

• Explain Claims-based authorization by example
• Explain Role-based authorization by example
• Step by step guide for creating custom Authorization Policy Provider
• Explain how authorization works under the hood
• Explain Imperative authorization by example
• Associated repository branch: authorization

Part 4 - OAuth 2.0, OpenID Connect & IdentityServer

• Explain how OAuth 2.0 works (terminology, grant types, tokens)
• Explain how OpenID Connect works (terminology, tokens, flows)
• Learn how to use IdentityServer for integrating OAuth 2.0 and OpenID Connect
• Associated repository branch: identity-server

Part 5 - External provider authentication & registration strategy

• Step by step guides for enabling external provider authentication
  • Google authentication
  • Facebook authentication
  • Twitter authentication
  • Microsoft authentication
  • GitHub authentication
  • LinkedIn authentication
  • DropBox authentication
• Implement an external provider registration strategy
• Associated repository branch: external-authentication

Part 6 - Two-Factor Authentication

• Implement all Two Factor Authentication related tasks:
  • Enable/Disable 2FA
  • Configure authenticator app (QR Code included)
  • Generate/Reset recovery tokens
  • Reset authenticator app
• Explore the 2FA code and database schema
• Enhance the security level of 2FA by overriding the default implementation
  • Encrypt authenticator key
  • Encrypt recovery tokens
• Associated repository branch: two-factor-authentication

To be continued..

Installation instructions

The project is built with ASP.NET Core with Angular on the client side.

1. Basic project setup:
   • cd ./AspNetCoreIdentity where the package.json file exist
   • npm install
   • dotnet restore
   • dotnet build
   • dotnet run
2. Create the AspNetCoreIdentityDb database (skip if you want to run with In memory DB)
   • cd ./AspNetCoreIdentity where the AspNetCoreIdentity.csproj exist
   • Add-Migration initial_migration or dotnet ef migrations add initial_migration
   • Update-Database or dotnet ef database update
3. Create the IdentityServerDb database (skip if you want to run with In memory DB)
   • Follow the instructions

In case you don't want to use a real SQL Server Database when running the AspNetCoreIdentity project, simply set InMemoryProvider: true in the appsettings.json. This option will use in memory database

In case you don't want to use a real SQL Server Database when running the IdentityServer project simply set UseInMemoryStores: true in the relative appsettings.json This option will use in memory database

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