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Are you looking to secure your Spring Boot applications and keep them safe from unauthorized access? Look no further! this tutorial is the perfect solution for you.

In this course, you'll learn everything you need to know about using Spring Security and JSON Web Tokens (JWT) to secure your applications. We'll start by teaching you the basics of Spring Security and how it can be used to authenticate and authorize users in your application. From there, you'll learn how to implement JWT to provide a secure, stateless method of authentication.

👉🏻 Source code: [ Ссылка ]

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Table of content
00:00 Intro
01:55 How JWT security works
07:26Create a new spring boot 3.0 project
09:28 Add Data source
12:28 Connect to the database
17:12 Create user class
20:05 Transform the User to an entity
25:22 Extend the user to UserDeatils object
33:32 Create the user repository
35:50 Create the JWT authentication filter
40:58 Checking the JWT token
44:32 Create the JWT service
47:56 Add the JJWT dependencies
49:59 What is a JWT token
53:06 Extract claims from JWT
55:23 Implement the getSignInKey method
01:00:07 Extract a single claim from JWT
01:01:51 Extract the username from the token
01:02:52 Generate the JWT token
01:08:15 Check if the token is valid
01:11:22 Check the user existence in the database (JwtAuthFilter)
01:15:13 Implement the UserDetailsService
01:19:38 Update the SecurityContextHolder and finalise the filter
01:23:53 Add the security configuration
01:32:51 Create the authentication provider bean
01:36:41 Create the authentication manager bean
01:38:14 Create the authentication controller
01:40:55 Create the authentication response class
01:41:47 Create the register request object
01:42:50 Create the authentication request class
01:43:22 Create the authentication service
01:45:37 Implement the register method
01:49:28 Implement the authenticate method
01:52:17 Update the security configuration whitelist
01:53:35 Create a demo controller
01:54:55 Test the changes

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