You want to start with something like this: https://apereo.github.io/cas/4.1.x/integration/Delegate-Authentication.html
External identity providers are referred to as "Clients", in the sense that CAS is a client of that identity provider. Build the one for SAML and proceed. IIRC, only SAML2 and only specific variants of are supported there. Skip backporting. It's only going to make you age faster...and not like Clooney. --Misagh > From: "Yan Zhou" <yanand...@gmail.com> > To: "CAS Community" <firstname.lastname@example.org> > Sent: Thursday, April 12, 2018 12:16:47 PM > Subject: [cas-user] CAS 4.1.9 overlay consumes SAML 2.0 and 1.x assertions > Hello, > We are running CAS 4.1.9. An external vendor wants to do SSO with us. User > login > on their side, and they will send us SAML assertion, so that user can SSO to > our App. without login again. > Can CAS (without Shibboleth) consume such SAML 1.x and/or 2.0 assertion? > I think CAS 5.x can, is that correct? We are not in a position to upgrade CAS > 4 > yet. Is it possible to give me the implementation in CAS 5.x and I can port > that into my CAS 4.1.9? > Thanks, > Yan > -- > - Website: https://apereo.github.io/cas > - Gitter Chatroom: https://gitter.im/apereo/cas > - List Guidelines: https://goo.gl/1VRrw7 > - Contributions: https://goo.gl/mh7qDG > --- > You received this message because you are subscribed to the Google Groups "CAS > Community" group. > To unsubscribe from this group and stop receiving emails from it, send an > email > to cas-user+unsubscr...@apereo.org . > To view this discussion on the web visit > https://groups.google.com/a/apereo.org/d/msgid/cas-user/fecb154a-908e-4253-8368-69aa3f2eab8c%40apereo.org > . -- - Website: https://apereo.github.io/cas - Gitter Chatroom: https://gitter.im/apereo/cas - List Guidelines: https://goo.gl/1VRrw7 - Contributions: https://goo.gl/mh7qDG --- You received this message because you are subscribed to the Google Groups "CAS Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to cas-user+unsubscr...@apereo.org. To view this discussion on the web visit https://groups.google.com/a/apereo.org/d/msgid/cas-user/2078968513.19553697.1523562143735.JavaMail.zimbra%40unicon.net.