Redirect from IdP to CAS with a param

Marvin Addison marvin.addison at gmail.com
Mon Sep 18 07:13:42 EDT 2017


On Mon, Sep 18, 2017 at 4:31 AM Lalith Jayaweera <ljayaweera at gmail.com>
wrote:

>
> https://ourCASHOST/cas/login?service=https%3A%2F%2Fouridphost%2Fidp%2FAuthn%2FExtCas%3Fconversation%3De1s1&entityId=urn%3Auat%3xxx%3Amsssne
> <https://loginuat.vu.edu.au/cas/login?service=https%3A%2F%2Fidpuatweb1.vu.edu.au%2Fidp%2FAuthn%2FExtCas%3Fconversation%3De1s1&entityId=urn%3Auat%253xxx%3Amsssne>
>
>
>
> Is it possible to inject another param to above within IdP e.g. username
> which gets from the SP link?
>

That should be possible by customizing the CAS login flow, login-flow.xml,
as you seem to realize. It's not clear to me how you could possibly have a
mapping from SP entityID to username, but I suppose you know how to solve
that problem.

M
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