[OpenID] XRD/YADIS validator?

Dick Hardt dick at sxip.com
Thu Jan 4 00:50:46 UTC 2007

Hi Sam

Good to see you have interest in OpenID et al.  As others have noted,  
there is tons of value in a validator.

If I could make a suggestion, the starting point for validation would  
be really useful if it was the OpenID (be it an i-name or URL).

This may be more then what you want to do with the Feed Validator,  
but We[1] would be happy to work with you on that!

-- Dick

[1] That of course of course is the Royal We that includes people on  
my team, JanRain's team and other members of the community since I  
don't get to write code anymore myself. :-)

On 3-Jan-07, at 2:09 PM, Sam Ruby wrote:

> Would people on this list see value in a XRD/YADIS validator?
> If syndication is any guide, once the "unwashed masses" start adopting
> this, I see plenty of opportunities for errors: non-memorable  
> namespace
> names, MiXeDcAsE Element names, etc.
> If there is value, what I would find helpful is suggestions in the  
> form
> of test cases: documents which either are asserted to be valid, or
> documents which contain specified conditions that should produce a
> specific error or a warning.
> An example of a warnings could be "unknown Type":  in theory, any  
> URI is
> valid, but unknown Types may indicate a typo.
> Checks can also be made for the presence of elements such as
> openid:Delegate when Type is other than http://openid.net/signon/1.0.
> Given such tests, I can quickly build this logic on top of the
> foundation that is the Feed Validator: it already has logic for what
> constitutes a valid URI (or IRI, for that matter).
> - Sam Ruby
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