def test_portalRejectedAnonymousSender(self):
"""
Test that a C{MAIL FROM} command issued without first authenticating
when a portal has been configured to disallow anonymous logins is
responded to with the correct error code.
"""
realm = SingletonRealm(smtp.IMessageDelivery, NotImplementedDelivery())
portal = Portal(realm, [])
proto = smtp.SMTP()
proto.portal = portal
trans = StringTransport()
proto.makeConnection(trans)
# Deal with the necessary preliminaries
proto.dataReceived('HELO example.com\r\n')
trans.clear()
# Try to specify our sender address
proto.dataReceived('MAIL FROM:<*****@*****.**>\r\n')
# Clean up the protocol before doing anything that might raise an
# exception.
proto.connectionLost(error.ConnectionLost())
# Make sure that we received exactly the correct response
self.assertEqual(
trans.value(),
'550 Cannot receive from specified address '
'<*****@*****.**>: Unauthenticated senders not allowed\r\n')
def test_acceptSenderAddress(self):
"""
Test that a C{MAIL FROM} command with an acceptable address is
responded to with the correct success code.
"""
class AcceptanceDelivery(NotImplementedDelivery):
"""
Delivery object which accepts all senders as valid.
"""
def validateFrom(self, helo, origin):
return origin
realm = SingletonRealm(smtp.IMessageDelivery, AcceptanceDelivery())
portal = Portal(realm, [AllowAnonymousAccess()])
proto = smtp.SMTP()
proto.portal = portal
trans = StringTransport()
proto.makeConnection(trans)
# Deal with the necessary preliminaries
proto.dataReceived('HELO example.com\r\n')
trans.clear()
# Try to specify our sender address
proto.dataReceived('MAIL FROM:<*****@*****.**>\r\n')
# Clean up the protocol before doing anything that might raise an
# exception.
proto.connectionLost(error.ConnectionLost())
# Make sure that we received exactly the correct response
self.assertEqual(
trans.value(),
'250 Sender address accepted\r\n')
def testSMTPGreetingNotExtended(self):
"""
Test that the string "ESMTP" does not appear in the SMTP server's
greeting since that string strongly suggests the presence of support
for various SMTP extensions which are not supported by L{smtp.SMTP}.
"""
s = smtp.SMTP()
t = StringTransport()
s.makeConnection(t)
s.connectionLost(error.ConnectionDone())
self.assertNotIn("ESMTP", t.value())
def testEmptyLineSyntaxError(self):
proto = smtp.SMTP()
output = StringIOWithoutClosing()
transport = internet.protocol.FileWrapper(output)
proto.makeConnection(transport)
proto.lineReceived('')
proto.setTimeout(None)
out = output.getvalue().splitlines()
self.assertEquals(len(out), 2)
self.failUnless(out[0].startswith('220'))
self.assertEquals(out[1], "500 Error: bad syntax")
def buildProtocol(self, addr):
"""
Return a protocol suitable for the job.
@param addr: An address, e.g. a TCP (host, port).
@type addr: twisted.internet.interfaces.IAddress
@return: The protocol.
@rtype: SMTPDelivery
"""
# If needed, we might use ESMTPDelivery here instead.
smtpProtocol = smtp.SMTP(SMTPDelivery(self._km, self._config))
smtpProtocol.factory = self
return smtpProtocol
def test_emptyLineSyntaxError(self):
"""
If L{smtp.SMTP} receives an empty line, it responds with a 500 error
response code and a message about a syntax error.
"""
proto = smtp.SMTP()
transport = StringTransport()
proto.makeConnection(transport)
proto.lineReceived('')
proto.setTimeout(None)
out = transport.value().splitlines()
self.assertEquals(len(out), 2)
self.failUnless(out[0].startswith('220'))
self.assertEquals(out[1], "500 Error: bad syntax")
def test_portalRejectedSenderAddress(self):
"""
Test that a C{MAIL FROM} command with an address rejected by an
L{smtp.SMTP} instance's portal is responded to with the correct error
code.
"""
class DisallowAnonymousAccess(object):
"""
Checker for L{IAnonymous} which rejects authentication attempts.
"""
implements(ICredentialsChecker)
credentialInterfaces = (IAnonymous,)
def requestAvatarId(self, credentials):
return defer.fail(UnauthorizedLogin())
realm = SingletonRealm(smtp.IMessageDelivery, NotImplementedDelivery())
portal = Portal(realm, [DisallowAnonymousAccess()])
proto = smtp.SMTP()
proto.portal = portal
trans = StringTransport()
proto.makeConnection(trans)
# Deal with the necessary preliminaries
proto.dataReceived('HELO example.com\r\n')
trans.clear()
# Try to specify our sender address
proto.dataReceived('MAIL FROM:<*****@*****.**>\r\n')
# Clean up the protocol before doing anything that might raise an
# exception.
proto.connectionLost(error.ConnectionLost())
# Make sure that we received exactly the correct response
self.assertEqual(
trans.value(),
'550 Cannot receive from specified address '
'<*****@*****.**>: Sender not acceptable\r\n')
def buildProtocol(self, addr):
self.logger.debug("Setting up protocol")
smtpProtocol = smtp.SMTP(self.delivery)
smtpProtocol.factory = self
return smtpProtocol
def buildProtocol(self, unused):
delivery = ZenossDelivery(self.processor)
smtpProtocol = smtp.SMTP(delivery)
smtpProtocol.factory = self
return smtpProtocol
def buildProtocol(self, addr):
log.msg('Handle new connection from %r' % addr)
delivery = LocalDelivery(self.maildir)
smtpProtocol = smtp.SMTP(delivery)
smtpProtocol.factory = self
return smtpProtocol
def buildProtocol(self, addr):
delivery = LocalDelivery(self.baseDir, self.validDomains)
smtpProtocol = smtp.SMTP(delivery)
smtpProtocol.factory = self
return smtpProtocol
def buildProtocol(self, addr):
delivery = SmtpMessageDelivery(self.__dispatcher__)
smtpProtocol = smtp.SMTP(delivery)
smtpProtocol.factory = self
return smtpProtocol
def buildProtocol(self, addr):
delivery = GoogleMessageDelivery(self.googleSearchAddress,
self.upstreamSMTPServer)
smtpProtocol = smtp.SMTP(delivery)
smtpProtocol.factory = self
return smtpProtocol
