Learning Blazor

Chapter 4. Customizing the User Login Experience

In this chapter, you’re going to build on your understanding of how to authenticate a user in the context of a Blazor WebAssembly application and customize the authentication experience. You’ll see a familiar web client startup configuration pattern and continue to explore a few other areas of the app, such as the registration of client-side services. From there, I’ll take your knowledge of JavaScript interop further with a compelling example, using browser native speech synthesis. You’ll learn how the app’s header functions, and you’ll see a pattern for implementing modal dialogs as a shared infrastructure within a small base component hierarchy. As part of this, you’ll learn how to write and handle custom events.

A Bit More on Blazor Authentication

When you use the app, your identity is used to uniquely identify you as a user of the app. This is true in most app scenarios, including the defaults for both Blazor hosting models when authentication is configured. A single user can log in from multiple clients to use the Learning Blazor application. Then a user is authenticated, meaning that the user has entered their credentials or been redirected through an authentication workflow. These workflows define a series of sequential steps that must be followed precisely and successfully to yield an authenticated user. Here are the basic steps:

1. Get an authorization code: Run the /authorize endpoint providing the requested scope, where ...