- Removed the `Settings::SsoIdentitiesController` and views for a simplified user experience.
- Moved SSO identity management to the Security settings page (`Settings::SecuritiesController`).
- Updated locale keys and layout for the new structure.
- Fixed unlink protection warnings and adjusted redirection path.
- Cleaned up routes, helper methods, and redundant code.
Multi-provider SSO support:
- Database-backed SSO provider management with admin UI
- Support for OpenID Connect, Google OAuth2, GitHub, and SAML 2.0
- Flipper feature flag (db_sso_providers) for dynamic provider loading
- ProviderLoader service for YAML or database configuration
Admin functionality:
- Admin::SsoProvidersController for CRUD operations
- Admin::UsersController for super_admin role management
- Pundit policies for authorization
- Test connection endpoint for validating provider config
User provisioning improvements:
- JIT (just-in-time) account creation with configurable default role
- Changed default JIT role from admin to member (security)
- User attribute sync on each SSO login
- Group/role mapping from IdP claims
SSO identity management:
- Settings::SsoIdentitiesController for users to manage connected accounts
- Issuer validation for OIDC identities
- Unlink protection when no password set
Audit logging:
- SsoAuditLog model tracking login, logout, link, unlink, JIT creation
- Captures IP address, user agent, and metadata
Advanced OIDC features:
- Custom scopes per provider
- Configurable prompt parameter (login, consent, select_account, none)
- RP-initiated logout (federated logout to IdP)
- id_token storage for logout
SAML 2.0 support:
- omniauth-saml gem integration
- IdP metadata URL or manual configuration
- Certificate and fingerprint validation
- NameID format configuration
