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import unittest
from .support import CatchLogs
from openid.message import Message, OPENID2_NS, OPENID1_NS, OPENID_NS
from openid import association
from openid.consumer.consumer import GenericConsumer, ServerError
from openid.consumer.discover import OpenIDServiceEndpoint, OPENID_2_0_TYPE
class ErrorRaisingConsumer(GenericConsumer):
"""
A consumer whose _requestAssocation will return predefined results
instead of trying to actually perform association requests.
"""
# The list of objects to be returned by successive calls to
# _requestAssocation. Each call will pop the first element from
# this list and return it to _negotiateAssociation. If the
# element is a Message object, it will be wrapped in a ServerError
# exception. Otherwise it will be returned as-is.
return_messages = []
def _requestAssociation(self, endpoint, assoc_type, session_type):
m = self.return_messages.pop(0)
if isinstance(m, Message):
raise ServerError.fromMessage(m)
else:
return m
class TestOpenID2SessionNegotiation(unittest.TestCase, CatchLogs):
"""
Test the session type negotiation behavior of an OpenID 2
consumer.
"""
def setUp(self):
CatchLogs.setUp(self)
self.consumer = ErrorRaisingConsumer(store=None)
self.endpoint = OpenIDServiceEndpoint()
self.endpoint.type_uris = [OPENID_2_0_TYPE]
self.endpoint.server_url = 'bogus'
def testBadResponse(self):
"""
Test the case where the response to an associate request is a
server error or is otherwise undecipherable.
"""
self.consumer.return_messages = [Message(self.endpoint.preferredNamespace())]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Server error when requesting an association')
def testEmptyAssocType(self):
"""
Test the case where the association type (assoc_type) returned
in an unsupported-type response is absent.
"""
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
# not set: msg.delArg(OPENID_NS, 'assoc_type')
msg.setArg(OPENID_NS, 'session_type', 'new-session-type')
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Unsupported association type',
'Server responded with unsupported association ' +
'session but did not supply a fallback.')
def testEmptySessionType(self):
"""
Test the case where the session type (session_type) returned
in an unsupported-type response is absent.
"""
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'new-assoc-type')
# not set: msg.setArg(OPENID_NS, 'session_type', None)
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Unsupported association type',
'Server responded with unsupported association ' +
'session but did not supply a fallback.')
def testNotAllowed(self):
"""
Test the case where an unsupported-type response specifies a
preferred (assoc_type, session_type) combination that is not
allowed by the consumer's SessionNegotiator.
"""
allowed_types = []
negotiator = association.SessionNegotiator(allowed_types)
self.consumer.negotiator = negotiator
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'not-allowed')
msg.setArg(OPENID_NS, 'session_type', 'not-allowed')
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Unsupported association type',
'Server sent unsupported session/association type:')
def testUnsupportedWithRetry(self):
"""
Test the case where an unsupported-type response triggers a
retry to get an association with the new preferred type.
"""
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'HMAC-SHA1')
msg.setArg(OPENID_NS, 'session_type', 'DH-SHA1')
assoc = association.Association(
'handle', 'secret', 'issued', 10000, 'HMAC-SHA1')
self.consumer.return_messages = [msg, assoc]
self.assertTrue(self.consumer._negotiateAssociation(self.endpoint) is assoc)
self.failUnlessLogMatches('Unsupported association type')
def testUnsupportedWithRetryAndFail(self):
"""
Test the case where an unsupported-typ response triggers a
retry, but the retry fails and None is returned instead.
"""
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'HMAC-SHA1')
msg.setArg(OPENID_NS, 'session_type', 'DH-SHA1')
self.consumer.return_messages = [msg,
Message(self.endpoint.preferredNamespace())]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Unsupported association type',
'Server %s refused' % (self.endpoint.server_url))
def testValid(self):
"""
Test the valid case, wherein an association is returned on the
first attempt to get one.
"""
assoc = association.Association(
'handle', 'secret', 'issued', 10000, 'HMAC-SHA1')
self.consumer.return_messages = [assoc]
self.assertTrue(self.consumer._negotiateAssociation(self.endpoint) is assoc)
self.failUnlessLogEmpty()
class TestOpenID1SessionNegotiation(unittest.TestCase, CatchLogs):
"""
Tests for the OpenID 1 consumer association session behavior. See
the docs for TestOpenID2SessionNegotiation. Notice that this
class is not a subclass of the OpenID 2 tests. Instead, it uses
many of the same inputs but inspects the log messages.
See the calls to self.failUnlessLogMatches. Some of
these tests pass openid2-style messages to the openid 1
association processing logic to be sure it ignores the extra data.
"""
def setUp(self):
CatchLogs.setUp(self)
self.consumer = ErrorRaisingConsumer(store=None)
self.endpoint = OpenIDServiceEndpoint()
self.endpoint.type_uris = [OPENID1_NS]
self.endpoint.server_url = 'bogus'
def testBadResponse(self):
self.consumer.return_messages = [Message(self.endpoint.preferredNamespace())]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Server error when requesting an association')
def testEmptyAssocType(self):
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
# not set: msg.setArg(OPENID_NS, 'assoc_type', None)
msg.setArg(OPENID_NS, 'session_type', 'new-session-type')
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Server error when requesting an association')
def testEmptySessionType(self):
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'new-assoc-type')
# not set: msg.setArg(OPENID_NS, 'session_type', None)
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Server error when requesting an association')
def testNotAllowed(self):
allowed_types = []
negotiator = association.SessionNegotiator(allowed_types)
self.consumer.negotiator = negotiator
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'not-allowed')
msg.setArg(OPENID_NS, 'session_type', 'not-allowed')
self.consumer.return_messages = [msg]
self.assertEqual(self.consumer._negotiateAssociation(self.endpoint), None)
self.failUnlessLogMatches('Server error when requesting an association')
def testUnsupportedWithRetry(self):
msg = Message(self.endpoint.preferredNamespace())
msg.setArg(OPENID_NS, 'error', 'Unsupported type')
msg.setArg(OPENID_NS, 'error_code', 'unsupported-type')
msg.setArg(OPENID_NS, 'assoc_type', 'HMAC-SHA1')
msg.setArg(OPENID_NS, 'session_type', 'DH-SHA1')
assoc = association.Association(
'handle', 'secret', 'issued', 10000, 'HMAC-SHA1')
self.consumer.return_messages = [msg, assoc]
self.assertTrue(self.consumer._negotiateAssociation(self.endpoint) is None)
self.failUnlessLogMatches('Server error when requesting an association')
def testValid(self):
assoc = association.Association(
'handle', 'secret', 'issued', 10000, 'HMAC-SHA1')
self.consumer.return_messages = [assoc]
self.assertTrue(self.consumer._negotiateAssociation(self.endpoint) is assoc)
self.failUnlessLogEmpty()
class TestNegotiatorBehaviors(unittest.TestCase, CatchLogs):
def setUp(self):
self.allowed_types = [
('HMAC-SHA1', 'no-encryption'),
('HMAC-SHA256', 'no-encryption'),
]
self.n = association.SessionNegotiator(self.allowed_types)
def testAddAllowedTypeNoSessionTypes(self):
self.assertRaises(ValueError, self.n.addAllowedType, 'invalid')
def testAddAllowedTypeBadSessionType(self):
self.assertRaises(ValueError, self.n.addAllowedType, 'assoc1', 'invalid')
def testAddAllowedTypeContents(self):
assoc_type = 'HMAC-SHA1'
self.assertTrue(self.n.addAllowedType(assoc_type) is None)
for typ in association.getSessionTypes(assoc_type):
self.assertTrue((assoc_type, typ) in self.n.allowed_types)
if __name__ == '__main__':
unittest.main()
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