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ER: Support Seamless SSO to OAC with Keycloak Direct Grant (No IDCS Login Prompt)

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SridharL
SridharL Rank 3 - Community Apprentice

We have federated Keycloak with OCI IAM (IDCS) using OIDC. (Followed:https://blogs.oracle.com/coretec/ssofederation-with-keycloak-and-idcs-andor-oci-iam-domains)
Users authenticate into WebApplication using Keycloak Direct Grant (API-based token login).

Current Behavior:
When users click the OAC link from WebApplication, they are redirected to the IDCS login page and must log in again before accessing OAC.

Expected Behavior:
Users should land directly on the OAC homepage without seeing the IDCS login screen, using SSO from Keycloak.

Observation:

  • Direct Grant authentication does not create a browser session / Keycloak cookie
  • OCI IAM → OAC requires a browser-based session
  • Hence, re-login is prompted (expected by current design)

Enhancement Request:
Requesting support/enhancement to:

  • Enable seamless SSO to OAC when authentication is done via Keycloak Direct Grant
  • Or provide an alternative supported approach to bridge token-based authentication with browser SSO

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