Re: [OAUTH-WG] New Version Notification for draft-lodderstedt-oauth-rar-02.txt

Brian Campbell <bcampbell@pingidentity.com> Wed, 02 October 2019 15:45 UTC

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References: <156907504831.22964.1710780113673136607.idtracker@ietfa.amsl.com> <A82AA337-86BF-485D-901B-3A3C73C6177B@lodderstedt.net> <e4427073-f995-4337-ca7c-99a92c745bf2@aol.com> <CBCF41AA-CADB-4CF9-8BB4-172E4571B655@bspk.io> <CA+k3eCS1Zgoj6UStsQDu=8y5EZioqU5hTysokYPpkZr0dAxhPA@mail.gmail.com> <5AD68F4C-837A-4532-97D1-1FE65FEC32D2@mit.edu>
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From: Brian Campbell <bcampbell@pingidentity.com>
Date: Wed, 2 Oct 2019 09:45:14 -0600
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To: Justin Richer <jricher@mit.edu>
Cc: George Fletcher <gffletch@aol.com>, oauth <oauth@ietf.org>
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Subject: Re: [OAUTH-WG] New Version Notification for draft-lodderstedt-oauth-rar-02.txt
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I guess we differ in our opinion of how remiss that would be. But given
what you've got in there now, the more narrow point I was trying to make
was to say that I don't think "data" is defined or explained well enough to
be helpful.

On Tue, Oct 1, 2019 at 4:33 PM Justin Richer <jricher@mit.edu>; wrote:

> I think that we need to define :some: common set to data elements in this
> spec, in order to help people who are using this and trying to apply it to
> their APIs do so in vaguely consistent ways. The details of which parts we
> standardize on are still, I think, up for grabs. I’d be happy to have a
> better name than “data” for this aspect, but I think there’s value in
> defining this kind of thing. Like in the financial space, it’s the
> difference between “transactions” and “accounts”. Or in the medical space,
> there’s “demographics” and “appointments” and “testResults”. This is a
> very, very, very common way to slice up OAuth-protected resources, and we’d
> be remiss to leave it undefined and just have every API developer need to
> come up with their own version of the same thing.
>
> — Justin
>
> On Oct 1, 2019, at 2:40 PM, Brian Campbell <bcampbell@pingidentity.com>;
> wrote:
>
> I'm not entirely sold on the draft attempting to define this set of common
> data elements in the first place. But that said, I think (similar to
> George?) I'm struggling with "data" more than the others. The definition in
> the -02 draft is an "array of strings representing the kinds of data being
> requested from the resource" and I'm honestly having a hard time
> understanding what that actually means or how it would be used in practice.
> And I'm not sure roughly equating it to “what kind of thing I want” helped
> me understand any better.
>
> On Tue, Sep 24, 2019 at 5:34 PM Justin Richer <justin@bspk.io>; wrote:
>
>> The idea behind the “locations”, “actions”, “data”, and “identifier” data
>> element types mirrors what I’ve seen “scope” used for in the wild. They
>> roughly equate to “where something is”, “what I want to do with it”, “what
>> kind of thing I want”, and “the exact thing I want”, respectively. I’m
>> completely open for better names, and have even been thinking “datatype”
>> might be better than just “data” for the third one.
>>
>> As for encoding, I think that form encoding makes sense because it’s the
>> simplest possible encoding that will work. I personally don’t see a need to
>> armor this part of the request with base64, as it is in JOSE, and doing so
>> would make it one more step removed from easy developer understanding.
>>
>> -- Justin Richer
>>
>> Bespoke Engineering
>> +1 (617) 564-3801
>> https://bspk.io/
>>
>>
>>
>> On Sep 24, 2019, at 1:45 PM, George Fletcher <gffletch@aol.com>; wrote:
>>
>> Just two questions...
>>
>> 1. What is the rationale that 'data' is really an array of arbitrary
>> top-level claims? I find looking at the spec and not finding a 'data'
>> section a little confusing.
>>
>> 2. What is the rationale for sending the JSON object as a urlencoded JSON
>> string rather than a base64url encoded JSON string? The later would likely
>> be smaller and easier to read:)
>>
>> Thanks,
>> George
>>
>> On 9/21/19 1:51 PM, Torsten Lodderstedt wrote:
>>
>> Hi all,??
>>
>> I just published a draft about ???OAuth 2.0 Rich Authorization
>> Requests??? (formerly known as ???structured scopes???).??
>>
>> https://tools.ietf.org/html/draft-lodderstedt-oauth-rar-02
>>
>> It specifies a new parameter?????authorization_details"??that is used to
>> carry fine grained authorization data in the OAuth authorization request.
>> This mechanisms was designed based on experiences gathered in the field of
>> open banking, e.g. PSD2, and is intended to make the implementation of rich
>> and transaction oriented authorization requests much easier than with
>> current OAuth 2.0.
>>
>> I???m happy that Justin Richer and Brian Campbell joined me as authors of
>> this draft. We would would like to thank Daniel Fett, Sebastian Ebling,
>> Dave Tonge, Mike Jones, Nat Sakimura, and Rob Otto for their valuable
>> feedback during the preparation of this draft.
>>
>> We look forward to getting your feedback.??
>>
>> kind regards,
>> Torsten.??
>>
>> Begin forwarded message:
>>
>> *From: *internet-drafts@ietf.org
>> *Subject: **New Version Notification for
>> draft-lodderstedt-oauth-rar-02.txt*
>> *Date: *21. September 2019 at 16:10:48 CEST
>> *To: *"Justin Richer" <ietf@justin.richer.org>;, "Torsten Lodderstedt" <
>> torsten@lodderstedt.net>;, "Brian Campbell" <bcampbell@pingidentity.com>;
>>
>>
>> A new version of I-D, draft-lodderstedt-oauth-rar-02.txt
>> has been successfully submitted by Torsten Lodderstedt and posted to the
>> IETF repository.
>>
>> Name: draft-lodderstedt-oauth-rar
>> Revision: 02
>> Title: OAuth 2.0 Rich Authorization Requests
>> Document date: 2019-09-20
>> Group: Individual Submission
>> Pages: 16
>> URL: ??????????????????????
>> https://www.ietf.org/internet-drafts/draft-lodderstedt-oauth-rar-02.txt
>> Status: ????????????????
>> https://datatracker.ietf.org/doc/draft-lodderstedt-oauth-rar/
>> Htmlized: ????????????
>> https://tools.ietf.org/html/draft-lodderstedt-oauth-rar-02
>> Htmlized: ????????????
>> https://datatracker.ietf.org/doc/html/draft-lodderstedt-oauth-rar
>> Diff: ????????????????????
>> https://www.ietf.org/rfcdiff?url2=draft-lodderstedt-oauth-rar-02
>>
>> Abstract:
>> ????This document specifies a new parameter "authorization_details" that
>> ????is used to carry fine grained authorization data in the OAuth
>> ????authorization request.
>>
>>
>>
>>
>> Please note that it may take a couple of minutes from the time of
>> submission
>> until the htmlized version and diff are available at tools.ietf.org.
>>
>> The IETF Secretariat
>>
>>
>>
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