def __init__(self):
"""Create a basic deliverer."""
username = (config.mta.smtp_user if config.mta.smtp_user else None)
password = (config.mta.smtp_pass if config.mta.smtp_pass else None)
self._connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port),
int(config.mta.max_sessions_per_connection), username, password)
def __init__(self):
"""Create a basic deliverer."""
self._connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port),
int(config.mta.max_sessions_per_connection),
config.mta.smtp_user if config.mta.smtp_user else None,
config.mta.smtp_pass if config.mta.smtp_pass else None,
as_SecureMode(config.mta.smtp_secure_mode),
as_boolean(config.mta.smtp_verify_cert),
as_boolean(config.mta.smtp_verify_hostname),
)
def test_authentication_good_path(self):
# Logging in with the correct user name and password succeeds.
connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0,
'testuser', 'testpass')
connection.sendmail('*****@*****.**', ['*****@*****.**'], """\
From: [email protected]
To: [email protected]
Subject: aardvarks
""")
self.assertEqual(self.layer.smtpd.get_authentication_credentials(),
'AHRlc3R1c2VyAHRlc3RwYXNz')
def test_authentication_good_path(self):
# Logging in with the correct user name and password succeeds.
connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0,
'testuser', 'testpass')
connection.sendmail('*****@*****.**', ['*****@*****.**'], """\
From: [email protected]
To: [email protected]
Subject: aardvarks
""")
self.assertEqual(self.layer.smtpd.get_authentication_credentials(),
'AHRlc3R1c2VyAHRlc3RwYXNz')
def test_not_supported(self):
connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0,
secure_mode=SecureMode.STARTTLS, verify_cert=False
)
msg_text = """\
From: [email protected]
To: [email protected]
Subject: aardvarks
"""
LogFileMark('mailman.smtp')
with self.assertRaises(SMTPNotSupportedError):
connection.sendmail(
'*****@*****.**', ['*****@*****.**'], msg_text)
def test_authentication_error(self):
# Logging in to the MTA with a bad user name and password produces a
# 571 Bad Authentication error.
with self.assertRaises(SMTPAuthenticationError) as cm:
connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0,
'baduser', 'badpass')
connection.sendmail('*****@*****.**', ['*****@*****.**'], """\
From: [email protected]
To: [email protected]
Subject: aardvarks
""")
self.assertEqual(cm.exception.smtp_code, 571)
self.assertEqual(cm.exception.smtp_error, b'Bad authentication')
def __init__(self):
"""Create a basic deliverer."""
username = (config.mta.smtp_user if config.mta.smtp_user else None)
password = (config.mta.smtp_pass if config.mta.smtp_pass else None)
self._connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port),
int(config.mta.max_sessions_per_connection),
username, password)
class BaseDelivery:
"""Base delivery class."""
def __init__(self):
"""Create a basic deliverer."""
username = (config.mta.smtp_user if config.mta.smtp_user else None)
password = (config.mta.smtp_pass if config.mta.smtp_pass else None)
self._connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port),
int(config.mta.max_sessions_per_connection), username, password)
def _deliver_to_recipients(self, mlist, msg, msgdata, recipients):
"""Low-level delivery to a set of recipients.
:param mlist: The mailing list being delivered to.
:type mlist: `IMailingList`
:param msg: The original message being delivered.
:type msg: `Message`
:param msgdata: Additional message metadata for this delivery.
:type msgdata: dictionary
:param recipients: The recipients of this message.
:type recipients: sequence
:return: delivery failures as defined by `smtplib.SMTP.sendmail`
:rtype: dictionary
"""
# Do the actual sending.
sender = self._get_sender(mlist, msg, msgdata)
message_id = msg['message-id']
# Since the recipients can be a set or a list, sort the recipients by
# email address for predictability and testability.
try:
refused = self._connection.sendmail(sender, sorted(recipients),
msg.as_string())
except smtplib.SMTPRecipientsRefused as error:
log.error('%s recipients refused: %s', message_id, error)
refused = error.recipients
except smtplib.SMTPResponseException as error:
log.error('%s response exception: %s', message_id, error)
refused = dict(
# recipient -> (code, error)
(recipient, (error.smtp_code, error.smtp_error))
for recipient in recipients)
except (socket.error, IOError, smtplib.SMTPException) as error:
# MTA not responding, or other socket problems, or any other
# kind of SMTPException. In that case, nothing got delivered,
# so treat this as a temporary failure. We use error code 444
# for this (temporary, unspecified failure, cf RFC 5321).
log.error('%s low level smtp error: %s', message_id, error)
error = str(error)
refused = dict(
# recipient -> (code, error)
(recipient, (444, error)) for recipient in recipients)
return refused
def _get_sender(self, mlist, msg, msgdata):
"""Return the envelope sender to use.
The message metadata can override the calculation of the sender, but
otherwise it falls to the list's -bounces robot. If this message is
not intended for any specific mailing list, the site owner's address
is used.
:param mlist: The mailing list being delivered to.
:type mlist: `IMailingList`
:param msg: The original message being delivered.
:type msg: `Message`
:param msgdata: Additional message metadata for this delivery.
:type msgdata: dictionary
:return: The envelope sender.
:rtype: string
"""
sender = msgdata.get('sender')
if sender is None:
return (config.mailman.site_owner
if mlist is None else mlist.bounces_address)
return sender
class BaseDelivery:
"""Base delivery class."""
def __init__(self):
"""Create a basic deliverer."""
username = config.mta.smtp_user if config.mta.smtp_user else None
password = config.mta.smtp_pass if config.mta.smtp_pass else None
self._connection = Connection(
config.mta.smtp_host,
int(config.mta.smtp_port),
int(config.mta.max_sessions_per_connection),
username,
password,
)
def _deliver_to_recipients(self, mlist, msg, msgdata, recipients):
"""Low-level delivery to a set of recipients.
:param mlist: The mailing list being delivered to.
:type mlist: `IMailingList`
:param msg: The original message being delivered.
:type msg: `Message`
:param msgdata: Additional message metadata for this delivery.
:type msgdata: dictionary
:param recipients: The recipients of this message.
:type recipients: sequence
:return: delivery failures as defined by `smtplib.SMTP.sendmail`
:rtype: dictionary
"""
# Do the actual sending.
sender = self._get_sender(mlist, msg, msgdata)
message_id = msg["message-id"]
try:
refused = self._connection.sendmail(sender, recipients, msg.as_string())
except smtplib.SMTPRecipientsRefused as error:
log.error("%s recipients refused: %s", message_id, error)
refused = error.recipients
except smtplib.SMTPResponseException as error:
log.error("%s response exception: %s", message_id, error)
refused = dict(
# recipient -> (code, error)
(recipient, (error.smtp_code, error.smtp_error))
for recipient in recipients
)
except (socket.error, IOError, smtplib.SMTPException) as error:
# MTA not responding, or other socket problems, or any other
# kind of SMTPException. In that case, nothing got delivered,
# so treat this as a temporary failure. We use error code 444
# for this (temporary, unspecified failure, cf RFC 5321).
log.error("%s low level smtp error: %s", message_id, error)
error = str(error)
refused = dict(
# recipient -> (code, error)
(recipient, (444, error))
for recipient in recipients
)
return refused
def _get_sender(self, mlist, msg, msgdata):
"""Return the envelope sender to use.
The message metadata can override the calculation of the sender, but
otherwise it falls to the list's -bounces robot. If this message is
not intended for any specific mailing list, the site owner's address
is used.
:param mlist: The mailing list being delivered to.
:type mlist: `IMailingList`
:param msg: The original message being delivered.
:type msg: `Message`
:param msgdata: Additional message metadata for this delivery.
:type msgdata: dictionary
:return: The envelope sender.
:rtype: string
"""
sender = msgdata.get("sender")
if sender is None:
return config.mailman.site_owner if mlist is None else mlist.bounces_address
return sender
def setUp(self):
self.connection = Connection(config.mta.smtp_host,
int(config.mta.smtp_port), 0)
self.msg_text = """\
class TestConnectionCount(unittest.TestCase):
layer = SMTPLayer
def setUp(self):
self.connection = Connection(config.mta.smtp_host,
int(config.mta.smtp_port), 0)
self.msg_text = """\
From: [email protected]
To: [email protected]
Subject: aardvarks
"""
def test_count_0(self):
# So far, no connections.
self.assertEqual(SMTPLayer.smtpd.get_connection_count(), 0)
def test_count_1(self):
self.connection.sendmail('*****@*****.**', ['*****@*****.**'],
self.msg_text)
self.assertEqual(SMTPLayer.smtpd.get_connection_count(), 1)
def test_count_2(self):
self.connection.sendmail('*****@*****.**', ['*****@*****.**'],
self.msg_text)
self.connection.quit()
self.connection.sendmail('*****@*****.**', ['*****@*****.**'],
self.msg_text)
self.connection.quit()
self.assertEqual(SMTPLayer.smtpd.get_connection_count(), 2)
def test_count_reset(self):
self.connection.sendmail('*****@*****.**', ['*****@*****.**'],
self.msg_text)
self.connection.quit()
self.connection.sendmail('*****@*****.**', ['*****@*****.**'],
self.msg_text)
self.connection.quit()
# Issue the fake SMTP command to reset the count.
client = SMTP()
client.connect(config.mta.smtp_host, int(config.mta.smtp_port))
client.docmd('RSET')
self.assertEqual(SMTPLayer.smtpd.get_connection_count(), 0)
def setUp(self):
super().setUp()
self.connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0,
secure_mode=SecureMode.STARTTLS, verify_cert=False
)
def test_exception_is_raised_from_connect(self, mocked_SMTP):
connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0)
with self.assertRaises(Exception):
connection._connect()
self.assertTrue(mocked_SMTP.called)
def setUp(self):
super().setUp()
self.connection = Connection(
config.mta.smtp_host, int(config.mta.smtp_port), 0)
