mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-12-25 04:02:46 +01:00
Add support for CAP NEW, including reauthentication.
This commit is contained in:
Valentin Lorentz
parent
834453eeff
commit
30cb10e422
@ -974,10 +974,12 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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self.startedAt = time.time()
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self.lastping = time.time()
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self.outstandingPing = False
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self.capNegociationEnded = False
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self.resetSasl()
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def resetSasl(self):
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network_config = conf.supybot.networks.get(self.network)
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self.sasl_authenticated = False
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self.sasl_username = network_config.sasl.username()
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self.sasl_password = network_config.sasl.password()
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self.sasl_ecdsa_key = network_config.sasl.ecdsa_key()
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@ -1034,6 +1036,11 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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if self.sasl_next_mechanisms:
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self.REQUEST_CAPABILITIES.add('sasl')
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def endCapabilityNegociation(self):
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if not self.capNegociationEnded:
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self.capNegociationEnded = True
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self.sendMsg(ircmsgs.IrcMsg(command='CAP', args=('END',)))
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def sendSaslString(self, string):
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for chunk in ircutils.authenticate_generator(string):
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self.sendMsg(ircmsgs.IrcMsg(command='AUTHENTICATE',
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@ -1046,12 +1053,13 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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args=(self.sasl_current_mechanism.upper(),)))
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else:
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self.sasl_current_mechanism = None
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self.sendMsg(ircmsgs.IrcMsg(command='CAP', args=('END',)))
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self.endCapabilityNegociation()
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def filterSaslMechanisms(self, available):
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available = set(map(str.lower, available))
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self.sasl_next_mechanisms = [
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x for x in self.sasl_next_mechanisms
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if x in available]
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if x.lower() in available]
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def doAuthenticate(self, msg):
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if not self.authenticate_decoder:
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@ -1088,7 +1096,8 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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def do903(self, msg):
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log.info('%s: SASL authentication successful', self.network)
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self.queueMsg(ircmsgs.IrcMsg(command='CAP', args=('END',)))
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self.sasl_authenticated = True
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self.endCapabilityNegociation()
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def do904(self, msg):
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log.warning('%s: SASL authentication failed', self.network)
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@ -1123,6 +1132,8 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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self.doCapLs(msg)
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elif subcommand == 'DEL':
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self.doCapDel(msg)
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elif subcommand == 'NEW':
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self.doCapNew(msg)
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def doCapAck(self, msg):
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if len(msg.args) != 3:
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log.warning('Bad CAP ACK from server: %r', msg)
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@ -1136,7 +1147,7 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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if 'sasl' in caps:
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self.tryNextSaslMechanism()
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else:
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self.sendMsg(ircmsgs.IrcMsg(command='CAP', args=('END',)))
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self.endCapabilityNegociation()
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def doCapNak(self, msg):
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if len(msg.args) != 3:
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log.warning('Bad CAP NAK from server: %r', msg)
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@ -1146,7 +1157,7 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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self.state.capabilities_nak.update(caps)
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log.warning('%s: Server refused capabilities: %L',
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self.network, caps)
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self.sendMsg(ircmsgs.IrcMsg(command='CAP', args=('END',)))
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self.endCapabilityNegociation()
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def _addCapabilities(self, capstring):
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for item in capstring.split():
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while item.startswith(('=', '~')):
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@ -1179,8 +1190,7 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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self.sendMsg(ircmsgs.IrcMsg(command='CAP',
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args=('REQ', caps)))
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else:
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self.sendMsg(ircmsgs.IrcMsg(command='CAP',
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args=('END',)))
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self.endCapabilityNegociation()
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else:
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log.warning('Bad CAP LS from server: %r', msg)
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return
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@ -1199,9 +1209,29 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
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except KeyError:
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pass
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try:
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del self.state.capabilities_ack[cap]
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self.state.capabilities_ack.remove(cap)
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except KeyError:
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pass
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def doCapNew(self, msg):
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if len(msg.args) != 3:
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log.warning('Bad CAP NEW from server: %r', msg)
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return
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caps = msg.args[2].split()
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assert caps, 'Empty list of capabilities'
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self._addCapabilities(msg.args[2])
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if not self.sasl_authenticated and 'sasl' in self.state.capabilities_ls:
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self.resetSasl()
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s = self.state.capabilities_ls['sasl']
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if s is not None:
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self.filterSaslMechanisms(set(s.split(',')))
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common_supported_unrequested_capabilities = (
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set(self.state.capabilities_ls) &
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self.REQUEST_CAPABILITIES -
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self.state.capabilities_ack)
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if common_supported_unrequested_capabilities:
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caps = ' '.join(sorted(common_supported_unrequested_capabilities))
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self.sendMsg(ircmsgs.IrcMsg(command='CAP',
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args=('REQ', caps)))
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def monitor(self, targets):
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"""Increment a counter of how many callbacks monitor each target;
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@ -531,7 +531,7 @@ class SaslTestCase(SupyTestCase):
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def setUp(self):
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pass
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def startCapNegociation(self, sasl_attributes=None):
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def startCapNegociation(self, caps='sasl'):
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m = self.irc.takeMsg()
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self.failUnless(m.command == 'CAP', 'Expected CAP, got %r.' % m)
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self.failUnless(m.args == ('LS', '302'), 'Expected CAP LS 302, got %r.' % m)
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@ -542,13 +542,10 @@ class SaslTestCase(SupyTestCase):
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m = self.irc.takeMsg()
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self.failUnless(m.command == 'USER', 'Expected USER, got %r.' % m)
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if sasl_attributes:
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'LS', 'sasl=%s' % sasl_attributes)))
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else:
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'LS', 'sasl')))
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args=('*', 'LS', caps)))
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if caps:
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m = self.irc.takeMsg()
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self.failUnless(m.command == 'CAP', 'Expected CAP, got %r.' % m)
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self.assertEqual(m.args[0], 'REQ', m)
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@ -642,7 +639,7 @@ class SaslTestCase(SupyTestCase):
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self.assertEqual(self.irc.sasl_next_mechanisms,
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['external', 'plain'])
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self.startCapNegociation(sasl_attributes='foo,plain,bar')
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self.startCapNegociation(caps='sasl=foo,plain,bar')
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m = self.irc.takeMsg()
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self.assertEqual(m, ircmsgs.IrcMsg(command='AUTHENTICATE',
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@ -659,6 +656,61 @@ class SaslTestCase(SupyTestCase):
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self.endCapNegociation()
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def testReauthenticate(self):
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try:
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conf.supybot.networks.test.sasl.username.setValue('jilles')
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conf.supybot.networks.test.sasl.password.setValue('sesame')
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self.irc = irclib.Irc('test')
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finally:
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conf.supybot.networks.test.sasl.username.setValue('')
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conf.supybot.networks.test.sasl.password.setValue('')
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self.assertEqual(self.irc.sasl_current_mechanism, None)
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self.assertEqual(self.irc.sasl_next_mechanisms, ['plain'])
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self.startCapNegociation(caps='')
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self.endCapNegociation()
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while self.irc.takeMsg():
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pass
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'NEW', 'sasl=EXTERNAL')))
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self.irc.takeMsg() # None. But even if it was CAP REQ sasl, it would be ok
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self.assertEqual(self.irc.takeMsg(), None)
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try:
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conf.supybot.networks.test.sasl.username.setValue('jilles')
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conf.supybot.networks.test.sasl.password.setValue('sesame')
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'DEL', 'sasl')))
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'NEW', 'sasl=PLAIN')))
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finally:
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conf.supybot.networks.test.sasl.username.setValue('')
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conf.supybot.networks.test.sasl.password.setValue('')
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m = self.irc.takeMsg()
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self.failUnless(m.command == 'CAP', 'Expected CAP, got %r.' % m)
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self.assertEqual(m.args[0], 'REQ', m)
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self.assertEqual(m.args[1], 'sasl')
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self.irc.feedMsg(ircmsgs.IrcMsg(command='CAP',
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args=('*', 'ACK', 'sasl')))
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m = self.irc.takeMsg()
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self.assertEqual(m, ircmsgs.IrcMsg(command='AUTHENTICATE',
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args=('PLAIN',)))
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self.irc.feedMsg(ircmsgs.IrcMsg(command='AUTHENTICATE', args=('+',)))
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m = self.irc.takeMsg()
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self.assertEqual(m, ircmsgs.IrcMsg(command='AUTHENTICATE',
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args=('amlsbGVzAGppbGxlcwBzZXNhbWU=',)))
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self.irc.feedMsg(ircmsgs.IrcMsg(command='900', args=('jilles',)))
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self.irc.feedMsg(ircmsgs.IrcMsg(command='903', args=('jilles',)))
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class IrcCallbackTestCase(SupyTestCase):
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