github/SleekXMPP
1
0
Fork 0
mirror of https://github.com/correl/SleekXMPP.git synced 2024-11-27 19:19:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix SASL mechanism selection bug.

Browse source 
ANONYMOUS was being treated as PLAIN, mechanism was being chosen
purely from supported mechanisms, not those provided by the server.

Broke nested handler methods into top-level methods.
This commit is contained in:
Lance Stout 2011-06-29 14:05:27 -07:00
parent 3b1f3fddf0
commit 9ed972ffeb
1 changed files with 41 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

85
sleekxmpp/clientxmpp.py
View file

@ -112,6 +112,23 @@ class ClientXMPP(BaseXMPP):
self.default_ns,
'jabber:iq:roster')),
self._handle_roster))
self.register_handler(
Callback('SASL Success',
MatchXPath(sasl.Success.tag_name()),
self._handle_sasl_success,
instream=True,
once=True))
self.register_handler(
Callback('SASL Failure',
MatchXPath(sasl.Failure.tag_name()),
self._handle_sasl_fail,
instream=True,
once=True))
self.register_handler(
Callback('STARTTLS Proceed',
MatchXPath(tls.Proceed.tag_name()),
self._handle_starttls_proceed,
instream=True))
self.register_feature('starttls', self._handle_starttls,
restart=True,
@ -130,7 +147,7 @@ class ClientXMPP(BaseXMPP):
self._handle_sasl_plain,
priority=1)
self.register_sasl_mechanism('ANONYMOUS',
self._handle_sasl_plain,
self._handle_sasl_anonymous,
priority=0)
def connect(self, address=tuple(), reattempt=True, use_tls=True):
@ -349,22 +366,9 @@ class ClientXMPP(BaseXMPP):
Arguments:
features -- The stream:features element.
"""
def tls_proceed(proceed):
"""Restart the XML stream when TLS is accepted."""
log.debug("Starting TLS")
if self.start_tls():
self.features.append('starttls')
raise RestartStream()
if not self.use_tls:
return False
elif self.ssl_support:
self.register_handler(
Callback('STARTTLS Proceed',
MatchXPath(tls.Proceed.tag_name()),
tls_proceed,
instream=True))
self.send(features['starttls'], now=True)
return True
else:
@ -372,6 +376,13 @@ class ClientXMPP(BaseXMPP):
" to some servers, and has not been found.")
return False
def _handle_starttls_proceed(self, proceed):
"""Restart the XML stream when TLS is accepted."""
log.debug("Starting TLS")
if self.start_tls():
self.features.append('starttls')
raise RestartStream()
def _handle_sasl_auth(self, features):
"""
Handle authenticating using SASL.
@ -379,46 +390,32 @@ class ClientXMPP(BaseXMPP):
Arguments:
features -- The stream features stanza.
"""
def sasl_success(stanza):
"""SASL authentication succeeded. Restart the stream."""
self.authenticated = True
self.features.append('mechanisms')
raise RestartStream()
def sasl_fail(stanza):
"""SASL authentication failed. Disconnect and shutdown."""
log.info("Authentication failed.")
self.event("failed_auth", direct=True)
self.disconnect()
log.debug("Starting SASL Auth")
return True
self.register_handler(
Callback('SASL Success',
MatchXPath(sasl.Success.tag_name()),
sasl_success,
instream=True,
once=True))
self.register_handler(
Callback('SASL Failure',
MatchXPath(sasl.Failure.tag_name()),
sasl_fail,
instream=True,
once=True))
for priority, mech in self._sasl_mechanism_priorities:
if mech in self._sasl_mechanism_handlers:
if mech in features['mechanisms']:
handler = self._sasl_mechanism_handlers[mech]
if handler(self):
break
else:
log.error("No appropriate login method.")
self.event("no_auth", direct=True)
self.disconnect()
return True
def _handle_sasl_success(self, stanza):
"""SASL authentication succeeded. Restart the stream."""
self.authenticated = True
self.features.append('mechanisms')
raise RestartStream()
def _handle_sasl_fail(self, stanza):
"""SASL authentication failed. Disconnect and shutdown."""
log.info("Authentication failed.")
self.event("failed_auth", direct=True)
self.disconnect()
log.debug("Starting SASL Auth")
return True
def _handle_sasl_plain(self, xmpp):
"""
Attempt to authenticate using SASL PLAIN.