On Wed, Mar 3, 2010 at 1:56 PM, Werner Thie <wt...@thiengineering.ch> wrote:
> Hi
>
> Starting twistd xmpp-router and trying to connect to it with a component
> from the wokkel examples
>
> """
> An XMPP Ping server as an external server-side component.
>
> This ping server assumes the domain C{'ping'}.
> """
> import sys
>
> from twisted.python import log
> from twisted.application import app, service, internet
> from twisted.internet import reactor
>
> from wokkel import component
> from wokkel.ping import PingHandler
>
> # Configuration parameters
> EXT_HOST = 'localhost'
> EXT_PORT = 5347
> SECRET = 'secret'
> DOMAIN = 'ping'
> LOG_TRAFFIC = True
>
> # Set up the Twisted application
> application = service.Application("Ping Component")
>
> router = component.Router()
> pingComponent = component.Component(EXT_HOST, EXT_PORT, DOMAIN, SECRET)
> pingComponent.logTraffic = LOG_TRAFFIC
> pingComponent.setServiceParent(application)
>
> pingHandler = PingHandler()
> pingHandler.setHandlerParent(pingComponent)
>
> produces the following traceback:
>
> 2010-03-03 19:24:28+0100 [XmlStream,0,127.0.0.1] Unhandled Error
> Traceback (most recent call last):
> File
> "\proj\Python-2.5.2\stackless-2.5.2-r63812\Modules\pyexpat.c", line 656,
> in EndElement
> ("(N)", string_intern(self, name)))
> File "C:\proj\twisted\twisted\words\xish\domish.py", line
> 797, in _onEndElement
> self.ElementEvent(self.currElem)
> File "C:\proj\twisted\twisted\words\xish\xmlstream.py", line
> 107, in onElement
> self.dispatch(element)
> File "C:\proj\twisted\twisted\words\xish\utility.py", line
> 317, in dispatch
> callbacklist.callback(obj)
> --- <exception caught here> ---
> File "C:\proj\twisted\twisted\words\xish\utility.py", line
> 107, in callback
> methodwrapper(*args, **kwargs)
> File "C:\proj\twisted\twisted\words\xish\utility.py", line
> 27, in __call__
> self.method(*nargs, **nkwargs)
> File
> "C:\proj\twisted\twisted\words\protocols\jabber\component.py", line 171,
> in onElement
> self.onHandshake(unicode(element))
> File
> "C:\proj\twisted\twisted\words\protocols\jabber\component.py", line 187,
> in onHandshake
> unicode(self.secret))
> File
> "C:\proj\twisted\twisted\words\protocols\jabber\xmlstream.py", line 52,
> in hashPassword
> raise TypeError("The session identifier must be a unicode
> object")
> exceptions.TypeError: The session identifier must be a unicode
> object
>
> After some fiddling around it seems that the code at line 282 in
> twisted\words\protocols\jabber\xmlstream.py presets the sid of the
> stream to a str instead of a unicode(str). After changing line 282
> from
>
> self.xmlstream.sid = randbytes.secureRandom(8).encode('hex')
>
> to
>
> self.xmlstream.sid = unicode(randbytes.secureRandom(8).encode('hex'))
>
> everything works as advertised.
>
> Is there somebody around who could tell me what to do with this fix, I'm
> certainly a beginner diddling with XMPP.
>
> Thanks a bunch, Werner
>
>
>
Hello Werner,
I do not know anything about twisted.words, but you should file a bug report
in trac:
http://twistedmatrix.com/trac/report
Just out of curiosity, I did look at xmlstream and the whole unicode type
checking seems unnecessary considering how the values are used:
input = u"%s%s" % (sid, password)
Why sid and password have to be unicode objects and not just basestring
beats me.
-Drew
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