I think you do have options. Take a look at SAML-R (SP) [1] and Ruby SAML IDP (IdP) [2] They aren't perfect but can get you up and running in relatively short

I think you do have options. Take a look at SAML-R (SP) [1] and Ruby SAML IDP (IdP) [2] They aren't perfect but can get you up and running in relatively short time. They are also excellent in showing how things are done. I worked with them before - implementing a solution where a single app acted as a SP and IdP in development env (great for validation). [1] https://github.com/zendesk/samlr https://github.com/zendesk/samlr [2] https://github.com/lawrencepit/ruby-saml-idp https://github.com/lawrencepit/ruby-saml-idp