Thanks for this draft! I'm new to the OAuth group but I definitely would like to see a solution for this problem, and this seems like a good approach.
I'm having trouble understanding the precise URL structures that are used here. Can client_uri include a nontrivial path? Why is it necessary to repeat client_uri in the response JSON? The use of .well-known is a bit unusual. Why not just host the JSON at the client_uri? If it's because of the need to serve an HTML page on that URL, did you consider using the Accept header to distinguish the desired Content-Type? This might work best with a new content-type registration for this JSON format. Finally, I note that the section on Impersonation Attacks doesn't mention the client_name or logo_uri. If these are to be shown to the user, they present a very serious impersonation risk that ought to be discussed. (The client_name also might need to be localized, which could be done by fetching the JSON document with an appropriate Accept-Language request header.) On Tue, Nov 8, 2022 at 5:22 PM Tobias Looker <tobias.looker= 40mattr.glo...@dmarc.ietf.org> wrote: > Hi All, > > I would like to draw attention to a new I-D we've recently updated called > "OAuth2 Client Discovery". > > https://datatracker.ietf.org/doc/draft-looker-oauth-client-discovery/01/ > > Below is the drafts current abstract for context: > > "This specification defines a mechanism for an authorization server to > obtain the metadata of a client, including its endpoint locations and > capabilities without the need for a registration process." > > Further motivation can be found in the drafts introduction. We believe the > draft is relevant to the presentation Kristina will be making tomorrow on > "client_id" as a URI, hence the email promoting awareness of it. > > There is also important discussion in the current open issues for the I-D, > including those discussing its compatibility with other specifications that > overlap. > https://github.com/mattrglobal/draft-looker-oauth-client-discovery/issues > > Thanks, > > [image: Mattr website] > <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1WeN4boYw%26u%3Dhttps%253a%252f%252fmattr.global%252f&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076709977%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tKqCMzLUQNCeORd908YqfqZoT7tCy%2FMVwXdjpch1sDY%3D&reserved=0> > > > > *Tobias Looker* > > MATTR > CTO > > +64 (0) 27 378 0461 <+64%2027%20378%200461> > tobias.looker@mattr.global > > [image: Mattr website] > <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1WeN4boYw%26u%3Dhttps%253a%252f%252fmattr.global%252f&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076709977%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tKqCMzLUQNCeORd908YqfqZoT7tCy%2FMVwXdjpch1sDY%3D&reserved=0> > > [image: Mattr on LinkedIn] > <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1SbN9fvNg%26u%3Dhttps%253a%252f%252fwww.linkedin.com%252fcompany%252fmattrglobal&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076719975%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=t%2BidOI32oaKuTJf1AkcG%2B%2FirIJwbrgzXVZnjOAC52Hs%3D&reserved=0> > > [image: Mattr on Twitter] > <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1WdMte6ZA%26u%3Dhttps%253a%252f%252ftwitter.com%252fmattrglobal&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076729970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BD9WWyXEjVGlbpbCja93yW%2FzLJZpe%2Ff8lGooe8V6i7w%3D&reserved=0> > > [image: Mattr on Github] > <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiWwGdMoDtMw%26u%3Dhttps%253a%252f%252fgithub.com%252fmattrglobal&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076729970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=4AhRuXZCnU5i3hcngo4H3UiNayYUtXpRcImV4slS1mw%3D&reserved=0> > > > This communication, including any attachments, is confidential. If you are > not the intended recipient, you should not read it - please contact me > immediately, destroy it, and do not copy or use any part of this > communication or disclose anything about it. Thank you. Please note that > this communication does not designate an information system for the > purposes of the Electronic Transactions Act 2002. > > _______________________________________________ > OAuth mailing list > OAuth@ietf.org > https://www.ietf.org/mailman/listinfo/oauth >
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