[Openid-specs-fapi] FAPI certification testing for refresh tokens

Dave Tonge dave.tonge at momentumft.co.uk
Mon Jul 1 06:40:31 UTC 2019

I vote for option 3.

On Fri, 28 Jun 2019 at 17:32, Joseph Heenan via Openid-specs-fapi <
openid-specs-fapi at lists.openid.net> wrote:

> I don’t believe any UK banks support offline_access. I wonder if other
> ecosystems might.
> It sounds like you may be agreeing with me that either ‘3’ or ‘4’ would be
> acceptable options, is that fair?
> Thanks
> Joseph
> On 28 Jun 2019, at 16:21, Filip Skokan <panva.ip at gmail.com> wrote:
> If the OP has a custom policy for deciding whether to issue a refresh
> token you can't always mandate they issue them to the tool which may not
> fall under that policy. The only thing testable for conformance and
> interoperability's sake would be if the server indicates offline_access
> scope and refresh_token grant type support, in which case you can mandate
> the tester whitelist this grant for the tested client and you can then test
> section 11 of Core.
> Going beyond this would be creating a profile of your own.
> S pozdravem,
> *Filip Skokan*
> On Fri, 28 Jun 2019 at 17:13, Joseph Heenan <joseph at authlete.com> wrote:
>> Hi Filip,
>> Refresh tokens in general.
>> Specifically some/many UK banks issue them without scope=offline_access.
>> FAPI certification also doesn’t currently require the user info endpoint is
>> supported, though I believe core certification requires this.
>> (I suspect the desire to issue refresh tokens is related to a desire to
>> not have to support revoking access tokens - i.e. that short lived access
>> tokens that can be refreshed mostly removes the need to ever revoke an
>> access token, but I could be wrong.)
>> Joseph
>> On 28 Jun 2019, at 15:41, Filip Skokan <panva.ip at gmail.com> wrote:
>> Hi Joseph,
>> can you clarify if you're talking about refresh tokens in general or the
>> scope offline_access + prompt consent condition of OIDC?
>> S pozdravem,
>> *Filip Skokan*
>> On Fri, 28 Jun 2019 at 16:29, Joseph Heenan <joseph at authlete.com> wrote:
>>> Hi FAPI WG,
>>> A question has arisen about exactly how refresh tokens should be tested
>>> in the FAPI-RW conformance suite (tests for this are currently being
>>> written, a suggestion Dave Tonge originally made as many banks in the UK
>>> ecosystem are able to issue refresh tokens, and I presume in some cases not
>>> correctly...).
>>> As support of refresh tokens is entirely optional in FAPI, the question
>>> is essentially: “what should happen if the AS doesn’t issue a refresh
>>> token?”
>>> The options seem to be:
>>> 1) The test is marked as passed (I’m not in favour of this option as it
>>> may well be that the tester has accidentally registered the clients without
>>> the refresh token grant)
>>> 2) The test fails if the discovery document indicates the server
>>> supports refresh tokens (on the grounds that it indicates that the client
>>> has been wrongly configured and if the server supports refresh tokens they
>>> conformance suite must be able to test them - note that discovery is also
>>> optional in FAPI-RW, though I’m questioning whether this should be the
>>> case:
>>> https://bitbucket.org/openid/fapi/issues/239/fapi-part-2-should-mention-require
>>> - the counter argument is that potentially ASs may support refresh tokens
>>> but only for non-FAPI-RW use cases)
>>> 3) Same as ‘2’ but make it a warning instead of a failure (essentially
>>> suggesting that it may be okay but certificatee should be able to give a
>>> good reason why refresh tokens aren’t issued in their server when FAPI-RW
>>> is in use)
>>> 4) The test is marked as “not testable” or some similar phrase, probably
>>> resulting in a similar conversation as for ‘3’.
>>> Does anyone have any thoughts please?
>>> Thanks
>>> Joseph
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Dave Tonge
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