Spring Boot Okta oauth2 example

OAuth 2.0 is an authorization protocol that gives an API client limited access to user data on a web server . GitHub, Google, and Facebook APIs notably use it.

Spring Boot + OAuth 2 Client Credentials Grant – Hello World Example. OAuth (Open Authorization) is a simple way to publish and interact with protected data . It is an open standard for token-based authentication and authorization on the Internet.

A Resource Server serves resources that are protected by the OAuth2 token. Spring OAuth2 provides an authentication filter that handles protection . The @EnableResourceServer annotation enables a Spring Security filter that authenticates requests via an incoming OAuth2 token.