No objections on my part. I would rather have a smaller core spec with features
that everyone agrees on.
BTW, a thought for the discovery draft - RFC 2616/2617 only defines
www-authenticate's semantics in the context of a 401. It's unclear from the
draft what it would mean to return a www-authenticate header on a 200 response.
The reason I care about this is that I think it makes sense that if someone
wants to talk to an endpoint they know supports OAuth and need to know where
their token issuer location is they would want to fire off an OPTIONS request
to the resource and find out from the response where the issuer is and what
realm is being used. It seems to me that the simplest way to solve this problem
is to just return www-authenticate on a 200 response to an OPTIONS request.
Thoughts?
Thanks,
Yaron
From: Eran Hammer-Lahav [mailto:[email protected]]
Sent: Wednesday, June 23, 2010 11:04 AM
To: Yaron Goland; James Manger; OAuth WG
Subject: Re: OAuth discovery draft?
I think the core work is pretty stable now, unlike the discovery bits which
(while simple) are not enjoying the same level of consensus. I think it is much
more practical to propose them as a separate document and perhaps consider
merging them later on when they reach an equal level of stability. But overall,
I'm not too worries about multiple documents.
EHL
On 6/23/10 11:00 AM, "Yaron Goland" <[email protected]> wrote:
I've been noodling [1] a lot about full delegation in OAuth [2] and one of the
issues that came out of that was the need for discovering both the location and
realm of an endpoint's token server. But at least for my use cases (which
consist of walking up to a service and making an options request and getting
back a www-authenticate header) all I need back is a realm and a token server
URL. In other words just having one argument added to our www-authenticate
header would be enough to solve the case where someone wants to walk up to a
service and find out where its token server is. Does that really need its own
spec? Or can we just add an argument to www-authenticate in the current spec?
Thanks,
Yaron
[1] See http://www.goland.org/oauthgenericdelegation/ for an overview of my
thinking on full delegation in OAuth. At the very end are links to a bunch of
other much more in-depth articles on particular subjects touched on in the main
article.
[2] I define 'full delegation' as "User X of Service Y grants permission Z to
User A of Service B". Currently OAuth requires X == A. In the future I hope to
see extensions to OAuth that enable what I'm terming 'full delegation'. But
personally I'm really happy that OAuth has the X==A restriction. It simplifies
a whole host of issues and satisfies a really important use case.
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf
> Of Eran Hammer-Lahav
> Sent: Monday, June 21, 2010 9:50 PM
> To: Manger, James H; OAuth WG ([email protected])
> Subject: Re: [OAUTH-WG] OAuth discovery draft?
>
> Yes, it's on my desk and not yet ready, but I am working on one. It includes
> your sites proposal among other things. I am trying to get the core spec
> stable this week and focus on that next.
>
> EHL
>
> > -----Original Message-----
> > From: Manger, James H [mailto:[email protected]]
> > Sent: Monday, June 21, 2010 8:03 PM
> > To: Eran Hammer-Lahav; OAuth WG ([email protected])
> > Subject: OAuth discovery draft?
> >
> > Eran,
> >
> > There have been a few mentions recently of an OAuth discovery draft.
> > Is there any such draft yet, or is this just a part that we know needs
> > to be done?
> >
> > The email on "OAuth meeting notes on -05 (with updates)" said:
> >
> > >> 6.1.1. - describing the WWW-Authenticate response header
> > >>
> > >> - Discovery needed for various elements
> > >
> > > Yes. That's for the discovery draft.
> >
> >
> > A wiki page on "Future OpenID Technical Requirements"
> > <http://wiki.openid.net/Future-OpenID-Technical-Requirements> says:
> >
> > > 6) IdP Discovery
> > >
> > > * Much of this will be covered by OAuth2 Discovery,
> > > however OIC may need to define OpenID specific features.
> > >...
> > > 17) Simpler discovery
> > >
> > > * See Eran's OAuth Discovery proposal
> >
> >
> > There was an OAuth 1.0 Discovery draft over 2 years ago, but that is tagged:
> > "expired", "marked as obsolete by its author", "discouraged from
> > implementing", "no update is expected", "replaced by the OAuth 2.0
> effort".
> >
> > I know I should write a discovery draft myself.
> >
> > --
> > James Manger
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