def _publish():
service_session = self._router._realm.session
if session._session_id is None:
options = types.PublishOptions(
correlation=unsubscribe.
correlation if unsubscribe else None)
else:
options = types.PublishOptions(
# we exclude the client session from the set of receivers
# for the WAMP session meta events (race conditions!)
exclude=[session._session_id],
correlation=unsubscribe.correlation
if unsubscribe else None)
if was_subscribed:
service_session.publish(
u'wamp.subscription.on_unsubscribe',
session._session_id,
subscription.id,
options=options,
)
if was_deleted:
service_session.publish(
u'wamp.subscription.on_delete',
session._session_id,
subscription.id,
options=options,
)
def test_publish(self):
handler = ApplicationSession()
MockTransport(handler)
publication = yield handler.publish(u'com.myapp.topic1')
self.assertEqual(publication, None)
publication = yield handler.publish(u'com.myapp.topic1', 1, 2, 3)
self.assertEqual(publication, None)
publication = yield handler.publish(u'com.myapp.topic1',
1,
2,
3,
foo=23,
bar='hello')
self.assertEqual(publication, None)
publication = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(exclude_me=False))
self.assertEqual(publication, None)
publication = yield handler.publish(u'com.myapp.topic1',
1,
2,
3,
foo=23,
bar='hello',
options=types.PublishOptions(
exclude_me=False,
exclude=[100, 200, 300]))
self.assertEqual(publication, None)
def test_decorator_multi_subscribe(crossbar):
"""
subscribe with a class using decorators, multiple times
"""
# setup
foo_pub = Deferred()
bar_pub = Deferred()
from autobahn import wamp
class TestSession(HelperSession):
@wamp.subscribe(u"test.foo")
def foo(self, data):
print("FOO:", data)
foo_pub.callback(data)
@wamp.subscribe(u"test.bar")
def bar(self, data):
print("BAR:", data)
bar_pub.callback(data)
def onJoin(self, details):
HelperSession.onJoin(self, details)
self.subscribe(self)
sub_session = yield functest_session(session_factory=TestSession)
pub_session = yield functest_session()
# execute
d0 = pub_session.publish(
u"test.foo",
"foo_arg",
options=types.PublishOptions(acknowledge=True),
)
d1 = pub_session.publish(
u"test.bar",
"bar_arg",
options=types.PublishOptions(acknowledge=True),
)
timeout = sleep(5)
try:
test_results = DeferredList([d0, d1, foo_pub, bar_pub],
fireOnOneErrback=True)
res = yield DeferredList([test_results, timeout],
fireOnOneCallback=True,
fireOnOneErrback=True)
except Exception as e:
print("ERROR", e)
raise
assert not timeout.called, "timed out"
assert foo_pub.called, "test.foo should have been subscribed"
assert bar_pub.called, "test.bar should have been subscribed"
def send(session, details):
yield listening
# this one should be small enough to go through
yield session.publish(u"foo",
u"a" * 20,
options=types.PublishOptions(acknowledge=True))
# this will definitely be over 1500 and should fail (due to the other
# side's decoder dropping it because the payload is too big). We can't
# get an error here because the router accepts it, but the other
# *client* will reject...
yield session.publish(u"foo",
u"a" * 2000,
options=types.PublishOptions(acknowledge=True))
def test_blacklist_publish_authid(auth_crossbar):
'''
One publisher, 3 subscribers and blacklisting
'''
# setup
pub_session = yield functest_auth_session(authid=u'steve')
sub_session0 = yield functest_auth_session(authid=u'alice')
sub_session1 = yield functest_auth_session(authid=u'bob')
sub_session2 = yield functest_auth_session(authid=u'carol')
alice = Deferred()
bob = Deferred()
carol = Deferred()
sub0 = yield sub_session0.subscribe(alice.callback, u"test_topic")
sub1 = yield sub_session1.subscribe(bob.callback, u"test_topic")
sub2 = yield sub_session2.subscribe(carol.callback, u"test_topic")
try:
# execute
yield pub_session.publish(
u"test_topic",
"nothing",
options=types.PublishOptions(exclude_authid=[u'alice']))
# we should have received two publishes: for bob and carol but
# *not* alice
yield wait_for(bob, 1, "waiting for publish0")
yield wait_for(carol, 1, "waiting for publish1")
assert not alice.called
finally:
yield sub0.unsubscribe()
yield sub1.unsubscribe()
yield sub2.unsubscribe()
def _publish():
service_session = self._router._realm.session
options = types.PublishOptions(
correlation_id=subscribe.correlation_id,
correlation_is_anchor=False,
correlation_is_last=False,
)
if is_first_subscriber:
subscription_details = {
u'id': subscription.id,
u'created': subscription.created,
u'uri': subscription.uri,
u'match': subscription.match,
}
service_session.publish(
u'wamp.subscription.on_create',
session._session_id,
subscription_details,
options=options,
)
if not was_already_subscribed:
options.correlation_is_last = True
service_session.publish(
u'wamp.subscription.on_subscribe',
session._session_id,
subscription.id,
options=options,
)
def _publish():
service_session = self._router._realm.session
if unsubscribe and self._router.is_traced:
options = types.PublishOptions(
correlation_id=unsubscribe.correlation_id,
correlation_is_anchor=False,
correlation_is_last=False)
else:
options = None
if was_subscribed:
service_session.publish(
u'wamp.subscription.on_unsubscribe',
session._session_id,
subscription.id,
options=options,
)
if was_deleted:
if options:
options.correlation_is_last = True
service_session.publish(
u'wamp.subscription.on_delete',
session._session_id,
subscription.id,
options=options,
)
def _unregister(self, registration, session):
# drop session from registration observers
#
was_registered, was_last_callee = self._registration_map.drop_observer(session, registration)
if was_registered and was_last_callee:
self._registration_map.delete_observation(registration)
# remove registration from session->registrations map
#
if was_registered:
self._session_to_registrations[session].discard(registration)
# publish WAMP meta events
#
if self._router._realm:
service_session = self._router._realm.session
if service_session and not registration.uri.startswith(u'wamp.'):
options = types.PublishOptions(
correlation=None
)
if was_registered:
service_session.publish(u'wamp.registration.on_unregister', session._session_id, registration.id, options=options)
if was_last_callee:
service_session.publish(u'wamp.registration.on_delete', session._session_id, registration.id, options=options)
return was_registered, was_last_callee
def _(session, details):
connects.append(details)
yield session.publish(
u"multiverse", group=g, member=m,
options=types.PublishOptions(acknowledge=True)
)
yield session.leave()
def test_whitelist_publish_authid(auth_crossbar):
'''
One publisher, 3 subscribers and blacklisting
'''
# setup
pub_session = yield functest_auth_session(authid=u'steve')
sub_session0 = yield functest_auth_session(authid=u'alice')
sub_session1 = yield functest_auth_session(authid=u'bob')
sub_session2 = yield functest_auth_session(authid=u'carol')
alice = Deferred()
bob = Deferred()
carol = Deferred()
sub0 = yield sub_session0.subscribe(alice.callback, u"test_topic")
sub1 = yield sub_session1.subscribe(bob.callback, u"test_topic")
sub2 = yield sub_session2.subscribe(carol.callback, u"test_topic")
try:
# execute
yield pub_session.publish(
u"test_topic",
"nothing",
options=types.PublishOptions(
eligible_authid=[u'alice', u'carol', u'eve']))
# alice, carol only should get the pub
yield wait_for(alice, 1, "waiting for publish0")
yield wait_for(carol, 1, "waiting for publish1")
assert not bob.called
finally:
yield sub0.unsubscribe()
yield sub1.unsubscribe()
yield sub2.unsubscribe()
def test_double_subscribe(self):
handler = ApplicationSession()
MockTransport(handler)
event0 = Deferred()
event1 = Deferred()
subscription0 = yield handler.subscribe(
lambda: event0.callback(42), u'com.myapp.topic1')
subscription1 = yield handler.subscribe(
lambda: event1.callback('foo'), u'com.myapp.topic1')
# same topic, same ID
self.assertTrue(subscription0.id == subscription1.id)
# do a publish (MockTransport fakes the acknowledgement
# message) and then do an actual publish event. The IDs
# are the same, so we just do one Event.
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True,
exclude_me=False),
)
handler.onMessage(message.Event(subscription0.id, publish.id))
# ensure we actually got both callbacks
self.assertTrue(event0.called, "Missing callback")
self.assertTrue(event1.called, "Missing callback")
def test_publish_callback_exception(self):
"""
Ensure we handle an exception from the user code.
"""
handler = ApplicationSession()
MockTransport(handler)
error_instance = RuntimeError("we have a problem")
got_err_d = Deferred()
def observer(e, msg):
if error_instance == e.value:
got_err_d.callback(True)
handler.onUserError = observer
def boom():
raise error_instance
sub = yield handler.subscribe(boom, u'com.myapp.topic1')
# MockTransport gives us the ack reply and then we do our
# own event message
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True, exclude_me=False),
)
msg = message.Event(sub.id, publish.id)
handler.onMessage(msg)
# we know it worked if our observer worked and did
# .callback on our Deferred above.
self.assertTrue(got_err_d.called)
def test_single_session_pub_sub_success(crossbar):
"""
Override exclude_me so we publish to ourselves as well.
Note: not paramterized over publish_options because we need to
know the status of "exclude_me"
"""
# setup
session = yield functest_session()
pub_d = Deferred()
sub = yield session.subscribe(pub_d.callback, u"test_topic")
try:
assert not pub_d.called
# execute
yield session.publish(u"test_topic",
"foo",
options=types.PublishOptions(acknowledge=True,
exclude_me=False))
# test
yield wait_for(pub_d, 5, "Waiting for our publish callback")
assert pub_d.called, "Should publish to ourselves with exclude_me=False"
assert pub_d.result == "foo"
finally:
yield sub.unsubscribe()
def test_internal_uri(crossbar):
"""
publish to crossbar.* should be denied
"""
# setup
pub_session = yield functest_session()
# execute
d0 = pub_session.publish(
u"wamp.awesome",
"arg",
options=types.PublishOptions(acknowledge=True),
)
d1 = sleep(5)
try:
res = yield DeferredList([d0, d1],
fireOnOneCallback=True,
fireOnOneErrback=True)
assert False, "Should have gotten error"
except FirstError as e:
real_e = e.subFailure.value
assert 'restricted topic' in str(real_e)
assert not d1.called
def test_authenticated_two_session_pub_sub(auth_crossbar):
"""
authenticated publisher and subscriber
"""
# setup
pub_session = yield functest_auth_session()
sub_session = yield functest_auth_session()
pub_d = Deferred()
sub = yield sub_session.subscribe(pub_d.callback, u"auth_topic")
try:
assert not pub_d.called
# execute
pub = yield pub_session.publish(
u"auth_topic",
("foo", "bar"),
options=types.PublishOptions(
acknowledge=True,
# XXX need a "legitimate" way to get session id?
eligible=[sub_session._session_id],
))
yield wait_for(pub_d, 5, "waiting for two-session publish callback")
# test
assert pub_d.called, "Failed to get publish callback"
# we should have published our two args
# NOTE: any sequence converted to list...
assert pub_d.result == ["foo", "bar"]
finally:
yield sub.unsubscribe()
def _publish():
service_session = self._router._realm.session
options = types.PublishOptions(
# we exclude the client session from the set of receivers
# for the WAMP session meta events (race conditions!)
exclude=[session._session_id],
correlation=subscribe.correlation)
if is_first_subscriber:
subscription_details = {
u'id': subscription.id,
u'created': subscription.created,
u'uri': subscription.uri,
u'match': subscription.match,
}
service_session.publish(
u'wamp.subscription.on_create',
session._session_id,
subscription_details,
options=options,
)
if not was_already_subscribed:
service_session.publish(
u'wamp.subscription.on_subscribe',
session._session_id,
subscription.id,
options=options,
)
def test_single_session_pub_sub_to_self(crossbar):
'''
With exclude_me=False we should get our own publish
'''
# setup
session = yield functest_session()
pub_session = session
sub_session = session
pub_d = Deferred()
sub = yield sub_session.subscribe(pub_d.callback, u"test_topic")
try:
# execute
assert not pub_d.called
yield pub_session.publish(u"test_topic",
"foo",
options=types.PublishOptions(
acknowledge=True, exclude_me=False))
# test
try:
yield wait_for(pub_d, 1, "Expected this timeout")
except RuntimeError as e:
assert False, "Should have gotten a publish"
assert pub_d.called, "Should publish to ourselves with exclude_me=False"
finally:
yield sub.unsubscribe()
def test_single_session_pub_sub(crossbar):
'''
Ensure we don't publish to our own session by default.
'''
# setup
session = yield functest_session()
pub_session = session
sub_session = session
pub_d = Deferred()
sub = yield sub_session.subscribe(pub_d.callback, u"test_topic")
try:
# execute
assert not pub_d.called
yield pub_session.publish(
u"test_topic",
"foo",
options=types.PublishOptions(acknowledge=True))
# test
try:
yield wait_for(pub_d, 1, "Expected this timeout")
assert False, "Should have gotten an exception"
except RuntimeError as e:
pass
assert not pub_d.called, "Shouldn't publish to ourselves"
finally:
yield sub.unsubscribe()
def test_publish_undefined_exception(self):
handler = ApplicationSession()
MockTransport(handler)
options = types.PublishOptions(acknowledge=True)
yield self.assertFailure(handler.publish(u'de.myapp.topic1', options=options), ApplicationError)
yield self.assertFailure(handler.publish(u'', options=options), ApplicationError)
def bob_join(session, details):
print("bob joined: PID={x_cb_pid}".format(**details.authextra))
print("publishing 'test.a_thing'")
p = yield session.publish("test.a_thing", 3, 2, 1, options=types.PublishOptions(acknowledge=True))
print("published {}".format(p))
res = yield session.call("test.rpc", 1, 2, 3)
print("test.rpc returned: {}".format(res))
reactor.callLater(2, session.leave)
def test_publish_acknowledged(self):
handler = ApplicationSession()
MockTransport(handler)
publication = yield handler.publish(u'com.myapp.topic1', options=types.PublishOptions(acknowledge=True))
self.assertTrue(type(publication.id) in (int, long))
publication = yield handler.publish(u'com.myapp.topic1', 1, 2, 3, options=types.PublishOptions(acknowledge=True))
self.assertTrue(type(publication.id) in (int, long))
publication = yield handler.publish(u'com.myapp.topic1', 1, 2, 3, foo=23, bar='hello', options=types.PublishOptions(acknowledge=True))
self.assertTrue(type(publication.id) in (int, long))
publication = yield handler.publish(u'com.myapp.topic1', options=types.PublishOptions(exclude_me=False, acknowledge=True))
self.assertTrue(type(publication.id) in (int, long))
publication = yield handler.publish(u'com.myapp.topic1', 1, 2, 3, foo=23, bar='hello', options=types.PublishOptions(exclude_me=False, exclude=[100, 200, 300], acknowledge=True))
self.assertTrue(type(publication.id) in (int, long))
def on_authorize_success(authorization):
if not authorization[u'allow']:
# error reply since session is not authorized to register
#
reply = message.Error(message.Register.MESSAGE_TYPE, register.request, ApplicationError.NOT_AUTHORIZED, [u"session is not authorized to register procedure '{0}'".format(register.procedure)])
else:
registration = self._registration_map.get_observation(register.procedure, register.match)
if register.force_reregister and registration:
for obs in registration.observers:
self._registration_map.drop_observer(obs, registration)
kicked = message.Unregistered(
0,
registration=registration.id,
reason=u"wamp.error.unregistered",
)
kicked.correlation = register.correlation
self._router.send(obs, kicked)
self._registration_map.delete_observation(registration)
# ok, session authorized to register. now get the registration
#
registration_extra = RegistrationExtra(register.invoke)
registration_callee_extra = RegistrationCalleeExtra(register.concurrency)
registration, was_already_registered, is_first_callee = self._registration_map.add_observer(session, register.procedure, register.match, registration_extra, registration_callee_extra)
if not was_already_registered:
self._session_to_registrations[session].add(registration)
# publish WAMP meta events
#
if self._router._realm:
service_session = self._router._realm.session
if service_session and not registration.uri.startswith(u'wamp.'):
options = types.PublishOptions(
correlation=register.correlation
)
if is_first_callee:
registration_details = {
u'id': registration.id,
u'created': registration.created,
u'uri': registration.uri,
u'match': registration.match,
u'invoke': registration.extra.invoke,
}
service_session.publish(u'wamp.registration.on_create', session._session_id, registration_details, options=options)
if not was_already_registered:
service_session.publish(u'wamp.registration.on_register', session._session_id, registration.id, options=options)
# acknowledge register with registration ID
#
reply = message.Registered(register.request, registration.id)
# send out reply to register requestor
#
reply.correlation = register.correlation
self._router.send(session, reply)
def test_publish_defined_exception(self):
handler = ApplicationSession()
MockTransport(handler)
options = types.PublishOptions(acknowledge=True)
handler.define(NotAuthorized)
yield self.assertFailure(handler.publish(u'de.myapp.topic1', options=options), NotAuthorized)
handler.define(InvalidUri)
yield self.assertFailure(handler.publish(u'', options=options), InvalidUri)
def test_double_subscribe_double_unsubscribe(self):
'''
If we subscribe twice, and unsubscribe twice, we should then get
an Unsubscribed message.
'''
handler = ApplicationSession()
MockTransport(handler)
# monkey-patch ApplicationSession to ensure we get our message
unsubscribed_d = Deferred()
def onMessage(msg):
if isinstance(msg, message.Unsubscribed):
unsubscribed_d.callback(msg)
return ApplicationSession.onMessage(handler, msg)
handler.onMessage = onMessage
event0 = Deferred()
event1 = Deferred()
subscription0 = yield handler.subscribe(
lambda: event0.callback(42), u'com.myapp.topic1')
subscription1 = yield handler.subscribe(
lambda: event1.callback('foo'), u'com.myapp.topic1')
self.assertTrue(subscription0.id == subscription1.id)
yield subscription0.unsubscribe()
yield subscription1.unsubscribe()
# after the second unsubscribe, we should have gotten an
# Unsubscribed message
assert unsubscribed_d.called
# do a publish (MockTransport fakes the acknowledgement
# message) and then do an actual publish event. Sending
# the Event should be an error, as we have no
# subscriptions left.
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True,
exclude_me=False),
)
try:
handler.onMessage(message.Event(subscription0.id, publish.id))
self.fail("Expected ProtocolError")
except ProtocolError:
pass
# since we unsubscribed the second event handler, we
# should NOT have called its callback
self.assertTrue(not event0.called, "First callback fired.")
self.assertTrue(not event1.called, "Second callback fired.")
def onJoin(self, details):
def on_event(i):
print("Got event: {}".format(i))
yield self.subscribe(on_event, 'com.myapp.topic1')
counter = 0
while True:
self.publish('com.myapp.topic1',
counter,
options=types.PublishOptions(excludeMe=False))
counter += 1
yield sleep(1)
def test_double_subscribe_errors(self):
"""
Test various error-conditions when we try to add a second
subscription-handler (its signature must match any
existing handlers).
"""
handler = ApplicationSession()
MockTransport(handler)
event0 = Deferred()
event1 = Deferred()
def second(*args, **kw):
# our EventDetails should have been passed as the
# "boom" kwarg; see "details_arg=" below
self.assertTrue('boom' in kw)
self.assertTrue(isinstance(kw['boom'], types.EventDetails))
event1.callback(args)
subscription0 = yield handler.subscribe(
lambda arg: event0.callback(arg), u'com.myapp.topic1')
subscription1 = yield handler.subscribe(
second,
u'com.myapp.topic1',
types.SubscribeOptions(details_arg='boom'),
)
# same topic, same ID
self.assertTrue(subscription0.id == subscription1.id)
# MockTransport gives us the ack reply and then we do our
# own event message.
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True,
exclude_me=False),
)
# note that the protocol serializer converts all sequences
# to lists, so we pass "args" as a list, not a tuple on
# purpose.
handler.onMessage(
message.Event(subscription0.id, publish.id, args=['arg0']))
# each callback should have gotten called, each with its
# own args (we check the correct kwarg in second() above)
self.assertTrue(event0.called)
self.assertTrue(event1.called)
self.assertEqual(event0.result, 'arg0')
self.assertEqual(event1.result, ('arg0', ))
def _publish():
service_session = self._router._realm.session
options = types.PublishOptions(correlation_id=None)
if was_subscribed:
service_session.publish(
u'wamp.subscription.on_unsubscribe',
session._session_id,
subscription.id,
options=options,
)
if was_deleted:
service_session.publish(
u'wamp.subscription.on_delete',
session._session_id,
subscription.id,
options=options,
)
def test_whitelist_publish_authrole(auth_crossbar):
'''
One publisher, 3 subscribers and blacklisting
'''
# setup
pub_session = yield functest_auth_session(authid=u'steve')
sub_session0 = yield functest_auth_session(authid=u'alice')
sub_session1 = yield functest_auth_session(authid=u'bob')
sub_session2 = yield functest_auth_session(authid=u'carol')
publishes = []
got_pubs = [
Deferred(),
Deferred(),
Deferred(),
Deferred(),
Deferred(),
Deferred()
]
notify_pubs = [x for x in got_pubs]
alice = Deferred()
bob = Deferred()
carol = Deferred()
sub0 = yield sub_session0.subscribe(alice.callback, u"test_topic")
sub1 = yield sub_session1.subscribe(bob.callback, u"test_topic")
sub2 = yield sub_session2.subscribe(carol.callback, u"test_topic")
try:
# execute
yield pub_session.publish(
u"test_topic",
"nothing",
options=types.PublishOptions(eligible_authrole=u'role1'))
# we should have received two publishes: for alice and bob but
# *not* carol (who is in role1 instead of role0)
yield wait_for(carol, 1, "waiting for publish0")
yield sleep(0.1) # give spurious alice, bob messages time to arrive
assert not alice.called
assert not bob.called
finally:
yield sub0.unsubscribe()
yield sub1.unsubscribe()
yield sub2.unsubscribe()
def test_publish_callback_exception(self):
"""
Ensure we handle an exception from the user code.
"""
handler = ApplicationSession()
MockTransport(handler)
error_instance = RuntimeError("we have a problem")
got_err_d = Deferred()
def observer(kw):
if kw['isError'] and 'failure' in kw:
fail = kw['failure']
fail.trap(RuntimeError)
if error_instance == fail.value:
got_err_d.callback(True)
log.addObserver(observer)
def boom():
raise error_instance
try:
sub = yield handler.subscribe(boom, u'com.myapp.topic1')
# MockTransport gives us the ack reply and then we do our
# own event message
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True,
exclude_me=False),
)
msg = message.Event(sub.id, publish.id)
handler.onMessage(msg)
# we know it worked if our observer worked and did
# .callback on our Deferred above.
self.assertTrue(got_err_d.called)
# ...otherwise trial will fail the test anyway
self.flushLoggedErrors()
finally:
log.removeObserver(observer)
def test_double_subscribe_single_unsubscribe(self):
'''
Make sure we correctly deal with unsubscribing one of our handlers
from the same topic.
'''
handler = ApplicationSession()
MockTransport(handler)
# monkey-patch ApplicationSession to ensure we DO NOT get
# an Unsubscribed message -- since we only unsubscribe
# from ONE of our handlers for com.myapp.topic1
def onMessage(msg):
assert not isinstance(msg, message.Unsubscribed)
return ApplicationSession.onMessage(handler, msg)
handler.onMessage = onMessage
event0 = Deferred()
event1 = Deferred()
subscription0 = yield handler.subscribe(
lambda: event0.callback(42), u'com.myapp.topic1')
subscription1 = yield handler.subscribe(
lambda: event1.callback('foo'), u'com.myapp.topic1')
self.assertTrue(subscription0.id == subscription1.id)
yield subscription1.unsubscribe()
# do a publish (MockTransport fakes the acknowledgement
# message) and then do an actual publish event. Note the
# IDs are the same, so there's only one Event.
publish = yield handler.publish(
u'com.myapp.topic1',
options=types.PublishOptions(acknowledge=True,
exclude_me=False),
)
handler.onMessage(message.Event(subscription0.id, publish.id))
# since we unsubscribed the second event handler, we
# should NOT have called its callback
self.assertTrue(event0.called, "Missing callback")
self.assertTrue(not event1.called, "Second callback fired.")
