AX and Artifact Binding Charter Proposal

Breno de Medeiros breno at google.com
Mon Nov 16 18:24:02 UTC 2009


On Mon, Nov 16, 2009 at 9:30 AM, John Bradley <john.bradley at wingaa.com> wrote:
> We don't have it in the request now.
>
> I would prefer to only add one new way.   Adding two and deprecating one immediately sounds a touch silly.

Ok, putting it like this convinced me. Let's  focus on defining the
discovery-based way.

>
> If someone can think of a reason why passing it in the request is better I would be more interested in considering it.
>
> We know it is worse because it could be spoofed with an unsigned request.
>
> Unless we are proposing using openid.sreg.policy_url for both we wind up with RP's sending the privacy policy URI twice in every request.  We could reuse the same parameter for SRAG and AX but that is not too clean.
>
> For short names if we want to keep with URI we could use URN eg.
> urn:ax:fullname
>
> Though I don't give us much of a chance of getting the IANA to register a NID for us.
>
> I am slightly uncomfortable making it a space separated list of strings and URI.
>
> RP's code may need to be reworked to allow strings.
>
> The unregistered URI scheme ax: is also possible.  It just depends on who we want mad at us:)
>
> I suppose we could use ax:fullname and call it a string that just happens to look like a URI:)

Maybe this decision could be helped by surveying RP libraries and see
what causes them to choke.

>
> John B.
> On 2009-11-16, at 1:45 PM, Breno de Medeiros wrote:
>
>> On Sat, Nov 14, 2009 at 7:15 PM, Nat <sakimura at gmail.com> wrote:
>>> I am taking a crack at editing the spec.
>>>
>>> Observing the discussion, there are couple of questions I would like to ask.
>>>
>>> 1. Privacy Policy URL.
>>>
>>> We are discussing about the privacy policy URL in RP XRD.  That's fine but
>>> we might also want to consider it being included in the request parameter as
>>> in SREG. Do you want to drop it? I think we should keep it.
>>
>> We could keep it for parity with SREG but recommend using discovery instead.
>>
>>>
>>> 2. Default Attributes
>>>
>>> Do we want to do it in AX way or creat a special set which is compatible
>>> with SREG so that the request URL will be a little shorter?
>>
>> +1 for introducing bult-in aliases for the commonly used URLs.
>>
>>>
>>> =nat at Tokyo via iPhone
>>>
>>> On 2009/11/14, at 12:29, Allen Tom <atom at yahoo-inc.com> wrote:
>>>
>>>> Let's just keep it simple, and put a single link for the privacy policy in
>>>> the discovery document, which would be enough to have parity with SREG. A
>>>> link for ToS is fine too.
>>>>
>>>> The UI Extension is going to define a discovery mechanism for RPs and OPs
>>>> to publish their icons (and presumably their names/descriptions) so we
>>>> should try to make it consistent.
>>>>
>>>>
>>>> http://svn.openid.net/repos/specifications/user_interface/1.0/trunk/openid-user-interface-extension-1_0.html#anchor6
>>>>
>>>> Allen
>>>>
>>>>
>>>> John Bradley wrote:
>>>>>
>>>>> We could do a template for lang and jurisdiction.
>>>>>
>>>>> The other way of dealing with lang is is via content negotiation or links
>>>>> in the HTML documents.
>>>>>
>>>>> I don't know that it is worth complicating the simple case with
>>>>> templates.
>>>>>
>>>>> Having different elements is also a path to madness.
>>>>>
>>>>> Is this a feature that OP would use?
>>>>>
>>>>> John B.
>>>>> On 2009-11-13, at 11:30 PM, Allen Tom wrote:
>>>>>
>>>>>> Keeping the request size small and having RPs implement discovery are
>>>>>> both good things.
>>>>>>
>>>>>> Also privacy policies, as well as other RP metadata (icons,
>>>>>> descriptions) all make sense to put into discovery.
>>>>>>
>>>>>> If the RP is behind a firewall and isn't accessible to the OP, then
>>>>>> hopefully OPs that care about RP metadata can just indicate to the user that
>>>>>> the metadata was not found.
>>>>>>
>>>>>> The proposed XRDS schema looks reasonable. We might want to have
>>>>>> different urls for different languages/jurisdictions, although that's
>>>>>> probably overkill.
>>>>>>
>>>>>> Allen
>>>>>>
>>>>>>
>>>>>> John Bradley wrote:
>>>>>>>
>>>>>>> See folks spec work can be fun:)
>>>>>>>
>>>>>>> John B.
>>>>>>> On 2009-11-13, at 10:29 PM, Breno de Medeiros wrote:
>>>>>>>
>>>>>>>> Going once, going twice ...
>>>>>>>>
>>>>>>>> On Fri, Nov 13, 2009 at 5:26 PM, John Bradley
>>>>>>>> <john.bradley at wingaa.com> wrote:
>>>>>>>>>
>>>>>>>>> Any preference for a namespace?
>>>>>>>>>
>>>>>>>>> We could reuse the openid one that we have for openID 1.1 delegate.
>>>>>>>>>
>>>>>>>>> xmlns:openid="http://openid.net/xmlns/1.0"
>>>>>>>>>
>>>>>>>>> <Service>
>>>>>>>>> <Type>http://specs.openid.net/auth/2.0/return_to</Type>
>>>>>>>>> <URI>http://consumer.example.com/return</URI>
>>>>>>>>>
>>>>>>>>> <openid:Policy_url>http://example.com/privacy-policy.html</openid:Policy_url>
>>>>>>>>> <openid:TOS>http://example.com/terms-of-service.html</openid:TOS>
>>>>>>>>> </Service>
>>>>>>>>>
>>>>>>>>> I should note that this wont work for RP's behind a firewall being
>>>>>>>>> accessed
>>>>>>>>> from a LAN or VPN.
>>>>>>>>>
>>>>>>>>> I am going to observe that if you are all ready on the LAN the
>>>>>>>>> privacy
>>>>>>>>> policy can be dealt with out of band if necessary.
>>>>>>>>>
>>>>>>>>> I am not emotionally attached to the namespace or element names if
>>>>>>>>> someone
>>>>>>>>> has something else they like.
>>>>>>>>>
>>>>>>>>> John B.
>>>>>>>>> On 2009-11-13, at 9:51 PM, Breno de Medeiros wrote:
>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> While we are at it do we want to also publish a TOS URI?
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Don't see why not.
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> --Breno
>>>>>>>>>>
>>>>>>>>>> +1 (650) 214-1007 desk
>>>>>>>>>> +1 (408) 212-0135 (Grand Central)
>>>>>>>>>> MTV-41-3 : 383-A
>>>>>>>>>> PST (GMT-8) / PDT(GMT-7)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> --Breno
>>>>>>>>
>>>>>>>> +1 (650) 214-1007 desk
>>>>>>>> +1 (408) 212-0135 (Grand Central)
>>>>>>>> MTV-41-3 : 383-A
>>>>>>>> PST (GMT-8) / PDT(GMT-7)
>>>>>>>
>>>>>>
>>>>>
>>>>
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>>>
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>>
>>
>>
>> --
>> --Breno
>>
>> +1 (650) 214-1007 desk
>> +1 (408) 212-0135 (Grand Central)
>> MTV-41-3 : 383-A
>> PST (GMT-8) / PDT(GMT-7)
>> _______________________________________________
>> specs mailing list
>> specs at lists.openid.net
>> http://lists.openid.net/mailman/listinfo/openid-specs
>
>



-- 
--Breno

+1 (650) 214-1007 desk
+1 (408) 212-0135 (Grand Central)
MTV-41-3 : 383-A
PST (GMT-8) / PDT(GMT-7)


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