Re: [OAUTH-WG] I-D Action: draft-ietf-oauth-rar-04.txt

[Brian Campbell <[e-mail]>]

On Tue, Feb 9, 2021 at 5:53 AM Francis Pouatcha <fpo=
[e-mail]> wrote:

> Find bellow my review of the draft:
>
>
>    1. Redactional changes:
>
> 2.2.  Authorization Data Types
>
>
> Interpretation of the value of the "type" parameter, and the object
>
>    elements that the "type" parameter allows => allowed
>
>
>
The "allows" seems correct there.



> 9.  Metadata
>
> which is an
>
>    JSON array. => which is a JSON array
>

Fixed this in the document source. Thanks!


>
>    1. Application to existing APIs
>
> reason-1: Current open banking initiatives are built on the of existing
> Data Standards like ISO20022 (PAIN, CAMT) which are XML's that do not
> provide direct translation to JSON. Some authorization server's might even
> be able to parse an ISO PAIN file to display the proper authorization
> request to the user.
>

That the APIs are XML doesn't necessarily mean that the details of the
authorization can't be represented in JSON. And, if really need be, XML can
be included as the value of some member in the authorization details and
defined as such by the type.



> reason-2: In some situation, it might be more privacy preserving to have
> the authorization request content negotiated between the AS and the RS. In
> this case the "scope" parameter shall only carry some sort of "grant-id"
> (known in the Berlin Group spec as consent-id). This will allow the AS to
> negotiate the data to be displayed directly with the RS.
>

RAR probably just isn't applicable in that kind of case.



>
> Any idea how to consider these two edge cases?
>




> Best regards.
> /Francis
>
>
> ------------------------------
> *From:* OAuth <[e-mail]> on behalf of Torsten Lodderstedt
> <torsten=[e-mail]>
> *Sent:* Sunday, February 7, 2021 12:49 PM
> *To:* oauth <[e-mail]>
> *Subject:* Re: [OAUTH-WG] I-D Action: draft-ietf-oauth-rar-04.txt
>
> Hi all,
>
> here is the list of changes in revision -04:
>
>
>    - restructured draft for better readability
>    - simplified normative text about use of the resource parameter with
>    authorization_details
>    - added implementation considerations for deployments and products
>    - added type union language from GNAP
>    - added recommendation to use PAR to cope with large requests and for
>    request protection
>
>
> Your feedback is highly appreciated.
>
> best regards,
> Torsten.
>
> Am 07.02.2021 um 13:42 schrieb [e-mail]:
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Web Authorization Protocol WG of the IETF.
>
>        Title           : OAuth 2.0 Rich Authorization Requests
>        Authors         : Torsten Lodderstedt
>                          Justin Richer
>                          Brian Campbell
> Filename        : draft-ietf-oauth-rar-04.txt
> Pages           : 36
> Date            : 2021-02-07
>
> Abstract:
>   This document specifies a new parameter "authorization_details" that
>   is used to carry fine grained authorization data in the OAuth
>   authorization request.
>
>
> The IETF datatracker status page for this draft is:
>
> https://www.google.com/url?q=https://datatracker.ietf.org/doc/draft-ietf-oauth-rar/&source=gmail-imap&ust=1613306557000000&usg=AOvVaw3-4SmuMFgxbz-cDK2Ir_a7
>
> There is also an HTML version available at:
>
> https://www.google.com/url?q=https://www.ietf.org/archive/id/draft-ietf-oauth-rar-04.html&source=gmail-imap&ust=1613306557000000&usg=AOvVaw1J52xGTvk1ZAuBC_fUAIjJ
>
> A diff from the previous version is available at:
>
> https://www.google.com/url?q=https://www.ietf.org/rfcdiff?url2%3Ddraft-ietf-oauth-rar-04&source=gmail-imap&ust=1613306557000000&usg=AOvVaw0TYqmFwryvAYznR2Ho5Oj6
>
>
> 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.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
>
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