SAML SSO flow
User → SP → IdP redirect → assertion → SP session.
Rendering…
Make it your own.
user -> sp: 1. GET /app
sp -> user: 2. AuthnRequest (redirect)
user -> idp: 3. SAMLRequest
idp -> user: 4. login form
user -> idp: 5. creds
idp -> user: 6. SAMLResponse
user -> sp: 7. assertion
sp -> user: 8. session cookie