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spring-boot-oauth2-jwt-sample

Spring Boot Oauth2 JWT Sample

Available Users:

(defined in UserDetailsService.java)

username: admin
password: s3cr3t
roles: USER

Getting an Access Token:

(provided by Spring Security OAuth2)

POST http://localhost:8080/oauth/token
                ?client_id=web
                &grant_type=password
                &username=admin
                &password=s3cr3t

Accessing the Resources:

(defined in MyRestController.java)

GET http://localhost:8080/foo
Authorization: Bearer $$MY_ACCESS_TOKEN$$

GET http://localhost:8080/bar
Authorization: Bearer $$MY_ACCESS_TOKEN$$

GET http://localhost:8080/baz
Authorization: Bearer $$MY_ACCESS_TOKEN$$

The first resource is unsecured, the second one requires role USER, the third one required role ADMIN.

JWT and Modifications:

(defined in CustomUserAuthenticationConverter.java) The JWT Token will store an additional user_id field when getting created. And when accessing a resource this data will be read to create an instance of UserDetailsImpl, which then can be used with the @AuthenticationPrincipal annotation (see MyRestController.java).