def _send_sasl_node_and_wait_for(self, node):
node = yield from protocol.send_and_wait_for(
self.xmlstream,
[node],
[
nonza.SASLChallenge,
nonza.SASLFailure,
nonza.SASLSuccess
],
timeout=self.timeout
)
state = node.TAG[1]
if state == "failure":
xmpp_error = node.condition[1]
text = node.text
raise aiosasl.SASLFailure(xmpp_error, text=text)
if hasattr(node, "payload"):
payload = node.payload
else:
payload = None
return state, payload
def _check_action(self, action, payload):
try:
(next_action,
next_payload,
new_state,
result_payload) = self._action_sequence.pop(0)
except ValueError:
raise AssertionError(
"SASL action performed unexpectedly: "
"{} with payload {}".format(
action,
payload))
self._state = new_state
self._testobj.assertEqual(
action,
next_action,
"SASL action sequence violated")
self._testobj.assertEqual(
payload,
next_payload,
"SASL payload expectation violated")
if new_state == "failure" and action != "abort":
opaque_error, text = result_payload
raise aiosasl.SASLFailure(opaque_error, text=text)
if result_payload is not None:
result_payload = result_payload
return new_state, result_payload
def test_reject_double_initiate_after_error(self):
opaque_error = object()
self.intf.initiate.side_effect = aiosasl.SASLFailure(
opaque_error
)
with self.assertRaises(aiosasl.SASLFailure):
run_coroutine(self.sm.initiate("foo", b"bar"))
with self.assertRaisesRegexp(RuntimeError,
"has already been called"):
run_coroutine(self.sm.initiate("foo"))
def test_response_failure(self):
opaque_error = object()
self.sm._state = aiosasl.SASLState.CHALLENGE
self.intf.respond.side_effect = aiosasl.SASLFailure(
opaque_error
)
with self.assertRaises(aiosasl.SASLFailure):
run_coroutine(
self.sm.response(b"bar")
)
self.assertEqual(self.sm._state, aiosasl.SASLState.FAILURE)
def abort(self):
try:
next_state, payload = yield from self._send_sasl_node_and_wait_for(
nonza.SASLAbort())
except aiosasl.SASLFailure as err:
self._state = "failure"
if err.opaque_error != "aborted":
raise
return "failure", None
else:
raise aiosasl.SASLFailure(
"aborted",
text="unexpected non-failure after abort: "
"{}".format(self._state))