Gain insights into Oauth2 and Spring Security, learn about various grant types, and practice hands-on exercises to configure robust authentication systems effectively.

oauth.tar.gz

Oauth

If you’re curious about getting started with Oauth2 and Spring Security then you’re in the right place. This course will show you what Oauth2 is, why it’s important, and how to use it effectively. 

You’ll start with an overview of Oauth2 in general and then explore the different types of grants including password grants, authorization grants, refresh token grants, and more. All these concepts are backed by hands-on exercises, so you’ll get to practice creating cross-origin resource sharing policies, custom user-principal, and configuration of the authorization server to send login credentials via JSON. 

By the end of this course, you will have the foundations in place to add a proper authentication system to your application.

Oauth2 with Spring Security

Congratulations on completing all the lessons! 🎉 Let’s quickly go over what we covered.



# Summary
 -  **Oauth2** is an industry-standard protocol for authorization, which basically means that it checks if you, the user, have access to a resource with your user level.

- **Password grant** verifies the identity through a username and password. The server returns the JavaScript Web Token (JWT), if the data provided is correct.

-  The **Authorization Code grant** type is used by confidential and public clients to exchange an authorization code for an access token. The authorization server responds with a JSON object that contains the following properties:

   - `token_type`
   - `expires_in`
    - `access_token`
   - `refresh_token`

- A **Refresh token** can be used to request a new access token without the user being redirected. 
- **Cross-origin Resource Sharing (CORS)** policies can be used for JavaScript and XML HTTP Request (XHR) requests for the client-side. A filter needs to be created on the authorization server that sets the CORS policies for every request. 


We hope that this course has met your expectations and has been a positive learning experience for you.

Thank you so much for taking this course. Keep practicing, and have fun!



Let's summarize the concepts covered in this course. 

Introduction

Theory

Practice

Quiz

Conclusion

Wrap Up!

Summary