I\'m working with a Spring Boot + Spring Security OAuth2 application that I believe was inspired by examples from Dave Syer. The application is configured to be an OAuth2 au
I implemented spring oauth2 to secure my rest services and additionally add social login and implicit signup for first time login . for user user you can generate the token using username and password only problem with generate the token for social user . for that you have to implement the Filter that will intercept your /oauth/token request before processing . here if you want to generate the the token for social user pass the username and facebook token , here you can use facebook token as password and generate the token for facebook user also . if facebook token updated then you have to write a db trigger also to update you token in user table .... may be it will help you