The client_update operation in
http://tools.ietf.org/html/draft-ietf-oauth-dyn-reg-03 does something different
than the operation upon which it was based from
http://openid.net/specs/openid-connect-registration-1_0-13.html. Specifically,
while the OpenID Connect operation replaces all field values, the OAuth
operation allows only selective fields to be replaced, designating fields to
remain unchanged by specifying their value as the empty string ("").
I'm personally not happy with the change to the semantics of client field
inclusion. Updating some but not all fields is a substantially more
complicated operation than replacing all fields. Is there some use case that
motivates this? I don't think it's a substantial burden on the registering
party to remember all the field values from the initial registration and then
selectively use them for update operations, when needed. Then the work goes to
the (I suspect rare) parties that need partial update - not to every server.
It complicates the simple case, rather than pushing the complexity to the rare
case, violating the design principle "make simple things simple and make more
complicated things possible".
Is anyone opposed to updating the OAuth Registration semantics to match the
Connect registration semantics? Is so, why?
Thanks,
-- Mike
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