def _handle_auth_response(self, auth_response):
if self.is_defunct:
return
if isinstance(auth_response, AuthSuccessMessage):
log.debug("Connection %s successfully authenticated", self)
self.authenticator.on_authentication_success(auth_response.token)
if self._compressor:
self.compressor = self._compressor
self.connected_event.set()
elif isinstance(auth_response, AuthChallengeMessage):
response = self.authenticator.evaluate_challenge(auth_response.challenge)
msg = AuthResponseMessage("" if response is None else response)
log.debug("Responding to auth challenge on %s", self)
self.send_msg(msg, self.get_request_id(), self._handle_auth_response)
elif isinstance(auth_response, ErrorMessage):
log.debug("Received ErrorMessage on new connection (%s) from %s: %s",
id(self), self.host, auth_response.summary_msg())
raise AuthenticationFailed(
"Failed to authenticate to %s: %s" %
(self.host, auth_response.summary_msg()))
elif isinstance(auth_response, ConnectionShutdown):
log.debug("Connection to %s was closed during the authentication process", self.host)
raise auth_response
else:
msg = "Unexpected response during Connection authentication to %s: %r"
log.error(msg, self.host, auth_response)
raise ProtocolError(msg % (self.host, auth_response))
def _handle_startup_response(self,
startup_response,
did_authenticate=False):
if self.is_defunct:
return
if isinstance(startup_response, ReadyMessage):
log.debug("Got ReadyMessage on new connection (%s) from %s",
id(self), self.host)
if self._compressor:
self.compressor = self._compressor
self.connected_event.set()
elif isinstance(startup_response, AuthenticateMessage):
log.debug(
"Got AuthenticateMessage on new connection (%s) from %s: %s",
id(self), self.host, startup_response.authenticator)
if self.authenticator is None:
raise AuthenticationFailed(
'Remote end requires authentication.')
self.authenticator_class = startup_response.authenticator
if isinstance(self.authenticator, dict):
log.debug("Sending credentials-based auth response on %s",
self)
cm = CredentialsMessage(creds=self.authenticator)
callback = partial(self._handle_startup_response,
did_authenticate=True)
self.send_msg(cm, self.get_request_id(), cb=callback)
else:
log.debug("Sending SASL-based auth response on %s", self)
initial_response = self.authenticator.initial_response()
initial_response = "" if initial_response is None else initial_response
self.send_msg(AuthResponseMessage(initial_response),
self.get_request_id(),
self._handle_auth_response)
elif isinstance(startup_response, ErrorMessage):
log.debug(
"Received ErrorMessage on new connection (%s) from %s: %s",
id(self), self.host, startup_response.summary_msg())
if did_authenticate:
raise AuthenticationFailed(
"Failed to authenticate to %s: %s" %
(self.host, startup_response.summary_msg()))
else:
raise ConnectionException(
"Failed to initialize new connection to %s: %s" %
(self.host, startup_response.summary_msg()))
elif isinstance(startup_response, ConnectionShutdown):
log.debug(
"Connection to %s was closed during the startup handshake",
(self.host))
raise startup_response
else:
msg = "Unexpected response during Connection setup: %r"
log.error(msg, startup_response)
raise ProtocolError(msg % (startup_response, ))