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Interoperability with python-openid
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Richard Collette  
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 More options May 8 2012, 12:02 pm
From: Richard Collette <richard.colle...@gmail.com>
Date: Tue, 8 May 2012 09:02:15 -0700 (PDT)
Local: Tues, May 8 2012 12:02 pm
Subject: Interoperability with python-openid
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I need to implement an OP on our side sending unsolicited assertions to the
RP.  The RP is python based with no previous open id experience so I am
trying to provide some direction.   Searching around I have found a few
different libraries.  The python-openid library (
https://github.com/openid/python-openid) seems to be one of the simpler
ones although that in itself may present a problem.  There are various
topics posted about it not supporting POST assertions, which is what the
examples I have looked at in DotNetOpenAuth use.  That library also seems
to be updated infrequently.

Does anyone know of any interoperability issues with python-openid for the
stated use case?
Is there an example of sending unsolicited assertions as an HTTP GET using
DotNetOpenAuth?
Does anyone recommend and alternate python based open Id library?

Thank you,
Rich


 
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Andrew Arnott  
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 More options May 10 2012, 11:49 pm
From: Andrew Arnott <andrewarn...@gmail.com>
Date: Thu, 10 May 2012 20:49:50 -0700
Local: Thurs, May 10 2012 11:49 pm
Subject: Re: [dotnetopenauth] Interoperability with python-openid
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Not all libraries support unsolicited assertions (although technically a
full and correct implementation of the spec means that receiving
unsolicited assertions will "just work").  I don't know if the Python
one(s) support them.

DNOA prefers to use HTTP GET for all message passing between OpenID
parties.  It only uses POST if the message payload is too large for a URL.
 When I just double checked, I saw a GET sent to the RP with the assertion.
 The RP then uses a POST directly back to the OP (not via the browser) to
verify the assertion, and this is per mandate in the spec.  So I think it's
doing what you're wanting it to do.

--
Andrew Arnott
"I [may] not agree with what you have to say, but I'll defend to the death
your right to say it." - S. G. Tallentyre

On Tue, May 8, 2012 at 9:02 AM, Richard Collette <richard.colle...@gmail.com


 
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