[OpenID] openid and hcard

[tom]

Patrick Aljord wrote:
> Hi Tom,
> Thanks for your anwser.
> I have two questions:
> Can I just use Type URIs and get rid of "Simple Registration"?
>   
Well, I am not sure I understand the question so let me tell you about a 
mistake I made when we first made our OpenID classes... We created 1.1 
authentication classes and we hard coded SREG into that as we needed to 
obtain SREG based information at authentication. Actually SREG (and AX) 
are extensions and you can authenticate a URi without needing any 
extensions hence, we had to build in development time to back out 
extensions from our classes and create an extension mechanism to allow 
extensions such as AX to be dropped in.

So the answer is, yes, you can get rid of SREG and still have a 
perfectly valid authentication class. However, in reality you are ill 
advised to remove SREG from authentication if you want to request 
information held in SREG fields because most OP's and consumers use SREG 
as standard.

> Is Simple Registration supposed to be deprecated by ax schema?
>   
Not that I know of and this creates another small headache. The consumer 
can request both SREG and AX and at the consumer end you can bin SREG 
data if you receive AX data, however at the OP end the person is now 
presented with a request for AX:email and SREG:email, hence to the eye 
it looks like something has gone wrong because the person sees what 
appears to be duplicate information requested.

Personally I think the OpenID community should push to make SREG legacy 
in favour of AX, but to make that happen you'll have to persuade a lot 
of people to put in development time to their OpenID solutions.

tom

> thanks in advance
>
> Pat
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>   


-- 
Tom Calthrop
Founding director, Barnraiser.

Dedicated to giving people the tools they need to share 
knowledge and advance society through social software.

Web site: http://www.barnraiser.org/
OpenID: http://tom.calthrop.info/