Passport is a robust Node.js authentication middleware that helps you to authenticate requests sent to your Express application. Passport uses strategies to utilize both local authentication and OAuth authentication providers, such as Facebook, Twitter, and Google. Using Passport strategies, you'll be able to seamlessly offer different authentication options to your users while maintaining a unified User model. In this chapter, you'll go through the following basic features of Passport:
Understanding Passport strategies
Integrating Passport into your users' MVC architecture
Using Passport's local strategy to authenticate users
Utilizing Passport OAuth strategies
Offering authentication through social OAuth providers