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clientbot: time out CAP/SASL after 5 seconds

Closes #424.
This commit is contained in:
James Lu 2017-03-04 23:54:16 -08:00
parent 733d7d7c87
commit 47f0b7626f

View File

@ -75,6 +75,15 @@ class ClientbotWrapperProtocol(Protocol):
f('CAP LS 302')
# Start a timer to call CAP END if registration freezes (e.g. if AUTHENTICATE for SASL is
# never replied to).
def capEnd():
log.info('(%s) Skipping SASL due to timeout; are the IRCd and services configured '
'properly?', self.irc.name)
self.capEnd()
self._cap_timer = threading.Timer(5, capEnd)
self._cap_timer.start()
# This is a really gross hack to get the defined NICK/IDENT/HOST/GECOS.
# But this connection stuff is done before any of the spawnClient stuff in
# services_support fires.
@ -413,6 +422,14 @@ class ClientbotWrapperProtocol(Protocol):
parsed_args['tags'] = tags # Add message tags to this dict.
return [idsource, command, parsed_args]
def capEnd(self):
"""
Abort SASL login by sending CAP END.
"""
self.irc.send('CAP END')
log.debug("(%s) Stopping CAP END timer.", self.irc.name)
self._cap_timer.cancel()
def saslAuth(self):
"""
Starts an authentication attempt via SASL. This returns True if SASL
@ -483,7 +500,7 @@ class ClientbotWrapperProtocol(Protocol):
logfunc = log.info if command == '903' else log.warning
logfunc('(%s) %s', self.irc.name, args[-1])
if not self.has_eob:
self.irc.send('CAP END')
self.capEnd()
handle_903 = handle_902 = handle_905 = handle_906 = handle_907 = handle_904
def requestNewCaps(self):
@ -521,12 +538,12 @@ class ClientbotWrapperProtocol(Protocol):
# to do so.
if not self.saslAuth():
if not self.has_eob:
self.irc.send('CAP END')
self.capEnd()
elif subcmd == 'NAK':
log.warning('(%s) Got NAK for IRCv3 capabilities %s, even though they were supposedly available',
self.irc.name, args[-1])
if not self.has_eob:
self.irc.send('CAP END')
self.capEnd()
elif subcmd == 'NEW':
# :irc.example.com CAP modernclient NEW :batch
# :irc.example.com CAP tester NEW :away-notify extended-join