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[Peter Schober]

Scott Alexander via users <users at shibboleth.net> [2024-05-16 12:28 CEST]:
> > Please add the parameter in your saml autentication request to get
> > it to work.
> 
> I don't understand how to implement this on my Shibboleth SP. How do
> I add the parameters?

https://shibboleth.atlassian.net/wiki/spaces/SP3/pages/2065334736/SAML2+SessionInitiator

Since you want the value/s within your Extensions element to by
dynamic you'd need to use the method mentioned near the very end,
passing a (dynamically generated, from your own code) base64-encoded
AuthnRequest as value of the 'template' request parameter to the
Session initiator.

Not sure how this would work with active protection, i.e,. with people
simply accessing the protected resource at your server.

HTH,
-peter