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Learning Angular, Fourth Edition

You're reading from   Learning Angular, Fourth Edition A no-nonsense guide to building web applications with Angular 15

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781803240602
Length 446 pages
Edition 4th Edition
Languages
Tools
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Authors (2):
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Pablo Deeleman Pablo Deeleman
Author Profile Icon Pablo Deeleman
Pablo Deeleman
Aristeidis Bampakos Aristeidis Bampakos
Author Profile Icon Aristeidis Bampakos
Aristeidis Bampakos
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Table of Contents (17) Chapters Close

Preface 1. Building Your First Angular Application FREE CHAPTER 2. Introduction to TypeScript 3. Organizing Application into Modules 4. Enabling User Experience with Components 5. Enrich Applications Using Pipes and Directives 6. Managing Complex Tasks with Services 7. Being Reactive Using Observables and RxJS 8. Communicating with Data Services over HTTP 9. Navigating through Application with Routing 10. Collecting User Data with Forms 11. Introduction to Angular Material 12. Unit Test an Angular Application 13. Bringing an Application to Production 14. Handling Errors and Application Debugging 15. Other Books You May Enjoy
16. Index

Authentication and authorization with HTTP

The Fake Store API provides an endpoint for authenticating users with a username and a password. It contains a login method that accepts a username and a password as parameters and returns an authentication token. We will use the authentication token in our application to differentiate between a logged-in user and a guest.

The username and password are provided by a predefined pool of users at https://fakestoreapi.com/users.

We will explore the following authentication and authorization topics in this section:

  • Authenticating with a backend API
  • Authorizing users for certain features
  • Authorizing HTTP requests using interceptors

Let’s get started with how to authenticate with the Fake Store API.

Authenticating with backend API

In Angular real-world applications, we usually consider authentication as an application feature. So, we will create a new Angular module that will handle authentication in our application. The module will contain...

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