Demo OAuth2 provider with Spring Boot
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This project is a minimal but functional OAuth2 Authorization Server (token issuer) and Resource Server (protected API). (You could split the two roles across two applications if you preferred.) It uses Spring Boot to provide an embedded servlet container and for defaulting a load of configuration, so you should be up and running with it very quickly. There are integration tests proving that it works and also showing you how to access it with the Spring RestTemplate API.


You need Java (1.7 or better) and Maven (3.0.5 or better):

$ mvn package
$ java -jar target/*.jar
<app starts and listens on port 8080>

Here are some curl commands to use to get started:

$ curl -H "Accept: application/json" my-client-with-secret:secret@localhost:8080/oauth/token -d grant_type=client_credentials
{... "access_token": "b561ff06-4259-466e-92d8-781db1a51901", ...}
$ TOKEN=b561ff06-4259-466e-92d8-781db1a5190
$ curl -H "Authorization: Bearer $TOKEN" localhost:8080/
Hello World