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This just returns the initialResponse passed on creation, stores any challenges and replies with the value of C{response}. @ivar challenge: Last received challenge. @type challenge: C{unicode}. @ivar initialResponse: Initial response to be returned when requested via C{getInitialResponse} or L{None}. @type initialResponse: C{unicode} """ challenge = None name = u"DUMMY" response = b"" def __init__(self, initialResponse): self.initialResponse = initialResponse def getInitialResponse(self): return self.initialResponse def getResponse(self, challenge): self.challenge = challenge return self.response class DummySASLInitiatingInitializer(sasl.SASLInitiatingInitializer): """ Dummy SASL Initializer for initiating entities. This hardwires the SASL mechanism to L{DummySASLMechanism}, that is instantiated with the value of C{initialResponse}. @ivar initialResponse: The initial response to be returned by the dummy SASL mechanism or L{None}. @type initialResponse: C{unicode}. """ initialResponse = None def setMechanism(self): self.mechanism = DummySASLMechanism(self.initialResponse) class SASLInitiatingInitializerTests(unittest.TestCase): """ Tests for L{sasl.SASLInitiatingInitializer} """ def setUp(self): self.output = [] self.authenticator = xmlstream.Authenticator() self.xmlstream = xmlstream.XmlStream(self.authenticator) self.xmlstream.send = self.output.append self.xmlstream.connectionMade() self.xmlstream.dataReceived(b"") self.init = DummySASLInitiatingInitializer(self.xmlstream) def test_onFailure(self): """ Test that the SASL error condition is correctly extracted. """ failure = domish.Element(('urn:ietf:params:xml:ns:xmpp-sasl', 'failure')) failure.addElement('not-authorized') self.init._deferred = defer.Deferred() self.init.onFailure(failure) self.assertFailure(self.init._deferred, sasl.SASLAuthError) self.init._deferred.addCallback(lambda e: self.assertEqual('not-authorized', e.condition)) return self.init._deferred def test_sendAuthInitialResponse(self): """ Test starting authentication with an initial response. """ self.init.initialResponse = b"dummy" self.init.start() auth = self.output[0] self.assertEqual(NS_XMPP_SASL, auth.uri) self.assertEqual(u'auth', auth.name) self.assertEqual(u'DUMMY', auth['mechanism']) self.assertEqual(u'ZHVtbXk=', unicode(auth)) def test_sendAuthNoInitialResponse(self): """ Test starting authentication without an initial response. """ self.init.initialResponse = None self.init.start() auth = self.output[0] self.assertEqual(u'', str(auth)) def test_sendAuthEmptyInitialResponse(self): """ Test starting authentication where the initial response is empty. """ self.init.initialResponse = b"" self.init.start() auth = self.output[0] self.assertEqual('=', unicode(auth)) def test_onChallenge(self): """ Test receiving a challenge message. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) challenge.addContent(u'bXkgY2hhbGxlbmdl') self.init.onChallenge(challenge) self.assertEqual(b'my challenge', self.init.mechanism.challenge) self.init.onSuccess(None) return d def test_onChallengeResponse(self): """ A non-empty response gets encoded and included as character data. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) challenge.addContent(u'bXkgY2hhbGxlbmdl') self.init.mechanism.response = b"response" self.init.onChallenge(challenge) response = self.output[1] self.assertEqual(u'cmVzcG9uc2U=', unicode(response)) self.init.onSuccess(None) return d def test_onChallengeEmpty(self): """ Test receiving an empty challenge message. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) self.init.onChallenge(challenge) self.assertEqual(b'', self.init.mechanism.challenge) self.init.onSuccess(None) return d def test_onChallengeIllegalPadding(self): """ Test receiving a challenge message with illegal padding. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) challenge.addContent(u'bXkg=Y2hhbGxlbmdl') self.init.onChallenge(challenge) self.assertFailure(d, sasl.SASLIncorrectEncodingError) return d def test_onChallengeIllegalCharacters(self): """ Test receiving a challenge message with illegal characters. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) challenge.addContent(u'bXkg*Y2hhbGxlbmdl') self.init.onChallenge(challenge) self.assertFailure(d, sasl.SASLIncorrectEncodingError) return d def test_onChallengeMalformed(self): """ Test receiving a malformed challenge message. """ d = self.init.start() challenge = domish.Element((NS_XMPP_SASL, 'challenge')) challenge.addContent(u'a') self.init.onChallenge(challenge) self.assertFailure(d, sasl.SASLIncorrectEncodingError) return d class SASLInitiatingInitializerSetMechanismTests(unittest.TestCase): """ Test for L{sasl.SASLInitiatingInitializer.setMechanism}. """ def setUp(self): self.output = [] self.authenticator = xmlstream.Authenticator() self.xmlstream = xmlstream.XmlStream(self.authenticator) self.xmlstream.send = self.output.append self.xmlstream.connectionMade() self.xmlstream.dataReceived("") self.init = sasl.SASLInitiatingInitializer(self.xmlstream) def _setMechanism(self, name): """ Set up the XML Stream to have a SASL feature with the given mechanism. """ feature = domish.Element((NS_XMPP_SASL, 'mechanisms')) feature.addElement('mechanism', content=name) self.xmlstream.features[(feature.uri, feature.name)] = feature self.init.setMechanism() return self.init.mechanism.name def test_anonymous(self): """ Test setting ANONYMOUS as the authentication mechanism. """ self.authenticator.jid = jid.JID('example.com') self.authenticator.password = None name = u"ANONYMOUS" self.assertEqual(name, self._setMechanism(name)) def test_plain(self): """ Test setting PLAIN as the authentication mechanism. """ self.authenticator.jid = jid.JID('test@example.com') self.authenticator.password = 'secret' name = u"PLAIN" self.assertEqual(name, self._setMechanism(name)) def test_digest(self): """ Test setting DIGEST-MD5 as the authentication mechanism. """ self.authenticator.jid = jid.JID('test@example.com') self.authenticator.password = 'secret' name = u"DIGEST-MD5" self.assertEqual(name, self._setMechanism(name)) def test_notAcceptable(self): """ Test using an unacceptable SASL authentication mechanism. """ self.authenticator.jid = jid.JID('test@example.com') self.authenticator.password = u'secret' self.assertRaises(sasl.SASLNoAcceptableMechanism, self._setMechanism, u'SOMETHING_UNACCEPTABLE') def test_notAcceptableWithoutUser(self): """ Test using an unacceptable SASL authentication mechanism with no JID. """ self.authenticator.jid = jid.JID('example.com') self.authenticator.password = u'secret' self.assertRaises(sasl.SASLNoAcceptableMechanism, self._setMechanism, u'SOMETHING_UNACCEPTABLE')