[Moin-user] openid problem: OpenID error: return_to does not match return URL

[Richard Taylor]

Johannes Berg was kind enough to point out the cause of my problem, so I 
thought that I would post the solution here in case someone else comes 
searching the archives.

The route of the problem appears to lie with mod_python. I switched to 
using mod_wsgi and all was well.

Regards

Richard


Richard Taylor wrote:
> Hi
> 
> I am trying to get OpenID working on the PyConUK conference wiki 
> (http://www.pyconuk.org/community).
> 
> I am using:
> 	moin-1.7.1
> 	python-openid-2.1.1 (I tried python-openid-2.2.1 as well but got the 
> same error)
> 
> 
> If I set an OpenID association with an existing user through the 
> preferences page I can login with the OpenID OK. However when I attempt 
> to login with a new OpenID and create a new user name or associate with 
> an existing user name I get the following error after I click on 'Choose 
> this name" on the page: 
> http://www.pyconuk.org/community?action=login&login=1&oidstage=1&stage=openid...
> 
> """
> OpenID error: return_to does not match return URL. Expected 		
> 'http://www.pyconuk.org/community?action=login&login=1&oidstage=1&stage=openid', 
> got 
> u'http://www.pyconuk.org/community?action=login&login=1&oidstage=1&stage=openid&janrain_nonce=2008-08-18T14%3A09%3A14ZLZE5ly&openid1_claimed_id=http%3A%2F%2Fclaimid.com%2Fhippy'.
> """
> 
> I have tracked down where the error is generated from but I do not 
> understand why the problem is occurring:
> 
> 	openid/consumer/consumer.py:
> 
> 	    def _verifyReturnToArgs(query):
> 		...
> 	        # Make sure all non-OpenID arguments in the response are also
> 	        # in the signed return_to.
> 		bare_args = message.getArgs(BARE_NS)
>          	for pair in bare_args.iteritems():
>              		if pair not in parsed_args:
>                  		raise ProtocolError("Parameter %s not in return_to 
> URL" % (pair[0],))
> 
> This produces the error: "Parameter username not in return_to URL".
> 
> 
> Can anyone suggest what might be the problem?
> 
> Regards
> 
> Richard
> 
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