Oracle Identity Cloud Service (IDCS) protects Oracle IaaS, PaaS, SaaS and On-Premises applications. Oracle IDCS provides federated single-sign on experience to its clients. It follows open standards such as SAML 2.0, OAuth 2.0 and OpenID Connect 1.0. In the federation model, Oracle IDCS can either act as an Identity Provider (IdP) or a Service Provider (SP) or both.
Oracle IDCS has a built-in feature that provides multiple social identity providers such as Google, Facebook, LinkedIn and Twitter. It uses underlying OAuth 2.0 protocol to interact with the Social Identity providers. This article presents how to configure IDCS to allow for Social Logins. Let me explain this concept with the sequence diagram below: