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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">Ok just FYI - I've made this work on my end with a number of tweaks. <br> Effectively I'm adding custom principals for all the subject alternative names to the AuthenticationResult and then using a custom c14n flow to pick one of those principals. To do this, I had to create a custom MFA merge strategy class that looks for a X509 authentication result and adds the subject alternative name principals from the certificate which currently exists in public credentials. I then needed a custom principal serializer because I really needed more than just a username for my custom principal...I needed the subject alternative name 'type'. I then needed all the stuff necessary to make my custom c14n flow work - which was the canonicalization class itself and some other Spring beans that allow me to determine if it should be activated and a way to choose which of the subject alternative names to select based on their type. I did this with a 'weight map' just like 'shibboleth.AuthenticationPrincipalWeightMap'. Because the principals are added to the authn/X509 authentication result and serialized, they can be pulled from the session and re-used by the MFA flow on subsequent logins.<br> In doing all of this is seemed to me that it would make sense for this to be a function of the authn/X509 authentication flow and the c14n/x500 subject canonicalization flow (or a new flow which I named c14/x509AltName). I would think that all that would be needed would be a new principal implementation (and serializer) for the subject alternative name(s) and then change the X509 flow to add these principals to the subject (along with the X500 principal it already adds). Then alter the c14n/x500 flow (or create a new c14n flow) to look for these prinicipals with an optional weight map to pick the correct one.<br> Anyway - I'm glad to share any of my code or contribute in some fashion</p> </td>
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