[Twisted-web] [wokkel] issues with disco and entity capabilities.

goffi goffi at goffi.org
Mon Feb 7 20:29:26 EST 2011

Ooopppsss, wrong ML, was destined to twisted-jabber and not twisted-web...
Sorry, it's late :(

On 08/02/2011 02:13, goffi wrote:
> G'day everybody,
> While implementing Entity Capabilities (XEP-0115) on my client, I 
> faced 2 issues with Wokkel:
> - if we have a disco info request with no "to" or "from" attribute 
> (seen with Prosody), a KeyError exception is raised. The attached 
> patch fix it.
> - I generate the hash with the result of disco.DiscoHandler.info with 
> no node, and that include everything like VersionHandler's 
> "jabber:iq:version" feature. That was working great with Prosody and 
> Openfire, but not with Ejabberd (the notification for PEP was not 
> included). After some investigations, I realised that 
> jabber:iq:version feature is not added when there is a node in disco 
> info request, and that's the case with XEP-0115, so the features list 
> was different to the one used to generate the hash, and ejabberd was 
> (silently :( ) rejecting it; resulting in no notification for Personal 
> Eventing Protocol.
> I temporarily fixed the issue by overriding 
> generic.VersionHandler.getDiscoInfo and forcing the node parameter to 
> None, but this case should be managed in Wokkel.
> I have (partially) implemented XEP-0115 in my XMPP client (Salut à 
> Toi: http://wiki.goffi.org/wiki/Salut_%C3%A0_Toi ), but it would be 
> nice to add it to Wokkel.
> Last but not least, I have said a few months ago that I'd like to 
> improve MUC branch for mainstream inclusion, I'm still interested in 
> that, as my client is based on Twisted/Wokkel and I need MUC (I was 
> just too busy so far to contribute on it :) ), but I need the help of 
> Ralph Meijer or at least a Twisted guru if he is too busy to know 
> exactly how and what. For the moment I need to make a dirty hack in my 
> setup.py to use the MUC branch in my project...
> Cheers
> Goffi
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