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Web Development with Blazor

You're reading from   Web Development with Blazor A hands-on guide for .NET developers to build interactive UIs with C#

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Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781800208728
Length 310 pages
Edition 1st Edition
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Author (1):
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Jimmy Engström Jimmy Engström
Author Profile Icon Jimmy Engström
Jimmy Engström
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Toc

Table of Contents (20) Chapters Close

Preface 1. Section 1:The Basics
2. Chapter 1: Hello Blazor FREE CHAPTER 3. Chapter 2: Creating Your First Blazor App 4. Section 2:Building an Application with Blazor
5. Chapter 3: Introducing Entity Framework Core 6. Chapter 4: Understanding Basic Blazor Components 7. Chapter 5: Creating Advanced Blazor Components 8. Chapter 6: Building Forms with Validation 9. Chapter 7: Creating an API 10. Chapter 8: Authentication and Authorization 11. Chapter 9: Sharing Code and Resources 12. Chapter 10: JavaScript Interop 13. Chapter 11: Managing State 14. Section 3:Debug, Test, and Deploy
15. Chapter 12: Debugging 16. Chapter 13: Testing 17. Chapter 14: Deploy to Production 18. Chapter 15: Where to Go from Here 19. Other Books You May Enjoy

Adding authorization

At this point, we know whether the user is authenticated or not, but does the user have access to a specific function? That is what authorization is all about. Luckily, the built-in functions support this as well, even though we have to write some code for it.

The server side has all the tables needed to add roles to our users. There are, however, no UIs available. For our application, we'll just add a role manually in the database, but first, we need to configure roles.

Adding roles from the server

Execute the following steps to add roles from the server:

  1. In the MyBlogWebAssembly.Server project, open the Startup.cs file.
  2. In the ConfigureServices method, add options to .AddApiAuthorization and remove the default claim mapping as follows:
    .AddApiAuthorization<AppUser, MyBlogDbContext>(options =>
    {                 
        options...
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