How to create from scratch a REST service with Spring Boot. We'll secure it using the Oauth2 protocol, using JSON Web Tokens, or JWT. There are several interesting materials scattered on the web, however, after studying a lot of then, I believe that the theme could be examined a little further. Instead of simply showing how to configure the server, I'll try to briefly explain why such configuration is necessary.
Go to the cloned directory and runmvn spring-boot:run or build with your chosen IDE.
You should install ./JQ before running these Curl commands.
To get a new token
To get a refresh token
To access a protected resource
curl trusted-app:secret@localhost:8080/oauth/token -d "grant_type=password&username=user&password=password" | jq
To get a refresh token
curl trusted-app:secret@localhost:8080/oauth/token -d "grant_type=refresh_token&jti=[JTI]&refresh_token=[REFRESH_TOKEN]" | jq
To access a protected resource
curl -H "Authorization: Bearer [ACCESS_TOKEN]" localhost:8080/api/hello
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