def setMechanism(self):
"""
Select and setup authentication mechanism.
Uses the authenticator's C{jid} and C{password} attribute for the
authentication credentials. If no supported SASL mechanisms are
advertized by the receiving party, a failing deferred is returned with
a L{SASLNoAcceptableMechanism} exception.
"""
jid = self.xmlstream.authenticator.jid
password = self.xmlstream.authenticator.password
mechanisms = get_mechanisms(self.xmlstream)
if jid.user is not None:
if 'DIGEST-MD5' in mechanisms:
self.mechanism = sasl_mechanisms.DigestMD5(
'xmpp', jid.host, None, jid.user, password)
elif 'PLAIN' in mechanisms:
self.mechanism = sasl_mechanisms.Plain(None, jid.user,
password)
else:
raise SASLNoAcceptableMechanism()
else:
if 'ANONYMOUS' in mechanisms:
self.mechanism = sasl_mechanisms.Anonymous()
else:
raise SASLNoAcceptableMechanism()
def test_getInitialResponse(self):
"""
Test the initial response to be empty.
"""
m = sasl_mechanisms.Anonymous()
self.assertEqual(m.getInitialResponse(), None)
