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# Copyright (C) 2012-2017 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Tests for the LMTP server."""
import os
import smtplib
import unittest
from datetime import datetime
from mailman.app.lifecycle import create_list
from mailman.config import config
from mailman.database.transaction import transaction
from mailman.testing.helpers import get_lmtp_client, get_queue_messages
from mailman.testing.layers import LMTPLayer
class TestLMTP(unittest.TestCase):
"""Test various aspects of the LMTP server."""
layer = LMTPLayer
def setUp(self):
with transaction():
self._mlist = create_list('test@example.com')
self._lmtp = get_lmtp_client(quiet=True)
self._lmtp.lhlo('remote.example.org')
self.addCleanup(self._lmtp.close)
def test_message_id_required(self):
# The message is rejected if it does not have a Message-ID header.
with self.assertRaises(smtplib.SMTPDataError) as cm:
self._lmtp.sendmail('anne@example.com', ['test@example.com'], """\
From: anne@example.com
To: test@example.com
Subject: This has no Message-ID header
""")
# LMTP returns a 550: Requested action not taken: mailbox unavailable
# (e.g., mailbox not found, no access, or command rejected for policy
# reasons)
self.assertEqual(cm.exception.smtp_code, 550)
self.assertEqual(cm.exception.smtp_error,
b'No Message-ID header provided')
def test_message_id_hash_is_added(self):
self._lmtp.sendmail('anne@example.com', ['test@example.com'], """\
From: anne@example.com
To: test@example.com
Message-ID: <ant>
Subject: This has a Message-ID but no Message-ID-Hash
""")
items = get_queue_messages('in', expected_count=1)
self.assertEqual(items[0].msg['message-id-hash'],
'MS6QLWERIJLGCRF44J7USBFDELMNT2BW')
def test_original_message_id_hash_is_overwritten(self):
self._lmtp.sendmail('anne@example.com', ['test@example.com'], """\
From: anne@example.com
To: test@example.com
Message-ID: <ant>
Message-ID-Hash: IGNOREME
Subject: This has a Message-ID but no Message-ID-Hash
""")
items = get_queue_messages('in', expected_count=1)
all_headers = items[0].msg.get_all('message-id-hash')
self.assertEqual(len(all_headers), 1)
self.assertEqual(items[0].msg['message-id-hash'],
'MS6QLWERIJLGCRF44J7USBFDELMNT2BW')
def test_received_time(self):
# The LMTP runner adds a `received_time` key to the metadata.
self._lmtp.sendmail('anne@example.com', ['test@example.com'], """\
From: anne@example.com
To: test@example.com
Subject: This has no Message-ID header
Message-ID: <ant>
""")
items = get_queue_messages('in', expected_count=1)
self.assertEqual(items[0].msgdata['received_time'],
datetime(2005, 8, 1, 7, 49, 23))
def test_queue_directory(self):
# The LMTP runner is not queue runner, so it should not have a
# directory in var/queue.
queue_directory = os.path.join(config.QUEUE_DIR, 'lmtp')
self.assertFalse(os.path.isdir(queue_directory))
def test_nonexistent_mailing_list(self):
# Trying to post to a nonexistent mailing list is an error.
with self.assertRaises(smtplib.SMTPDataError) as cm:
self._lmtp.sendmail('anne@example.com',
['notalist@example.com'], """\
From: anne.person@example.com
To: notalist@example.com
Subject: An interesting message
Message-ID: <aardvark>
""")
self.assertEqual(cm.exception.smtp_code, 550)
self.assertEqual(cm.exception.smtp_error,
b'Requested action not taken: mailbox unavailable')
def test_missing_subaddress(self):
# Trying to send a message to a bogus subaddress is an error.
with self.assertRaises(smtplib.SMTPDataError) as cm:
self._lmtp.sendmail('anne@example.com',
['test-bogus@example.com'], """\
From: anne.person@example.com
To: test-bogus@example.com
Subject: An interesting message
Message-ID: <aardvark>
""")
self.assertEqual(cm.exception.smtp_code, 550)
self.assertEqual(cm.exception.smtp_error,
b'Requested action not taken: mailbox unavailable')
def test_mailing_list_with_subaddress(self):
# A mailing list with a subaddress in its name should be recognized as
# the mailing list, not as a command.
with transaction():
create_list('test-join@example.com')
self._lmtp.sendmail('anne@example.com', ['test-join@example.com'], """\
From: anne@example.com
To: test-join@example.com
Message-ID: <ant>
Subject: This should not be recognized as a join command
""")
# The message is in the incoming queue but not the command queue.
get_queue_messages('in', expected_count=1)
get_queue_messages('command', expected_count=0)
def test_mailing_list_with_subaddress_command(self):
# Like above, but we can still send a command to the mailing list.
with transaction():
create_list('test-join@example.com')
self._lmtp.sendmail('anne@example.com',
['test-join-join@example.com'], """\
From: anne@example.com
To: test-join-join@example.com
Message-ID: <ant>
Subject: This will be recognized as a join command.
""")
# The message is in the command queue but not the incoming queue.
get_queue_messages('in', expected_count=0)
get_queue_messages('command', expected_count=1)
class TestBugs(unittest.TestCase):
"""Test some LMTP related bugs."""
layer = LMTPLayer
def setUp(self):
self._lmtp = get_lmtp_client(quiet=True)
self._lmtp.lhlo('remote.example.org')
def test_lp1117176(self):
# Upper cased list names can't be sent to via LMTP.
with transaction():
create_list('my-LIST@example.com')
self._lmtp.sendmail('anne@example.com', ['my-list@example.com'], """\
From: anne@example.com
To: my-list@example.com
Subject: My subject
Message-ID: <alpha>
""")
items = get_queue_messages('in', expected_count=1)
self.assertEqual(items[0].msgdata['listid'],
'my-list.example.com')
def test_issue140(self):
# Non-UTF-8 data sent to the LMTP server crashes it.
with transaction():
create_list('ant@example.com')
self._lmtp.sendmail('anne@example.com', ['ant@example.com'], b"""\
From: anne@example.com
To: ant@example.com
Subject: My subject
Message-ID: <alpha>
\xa0
""")
items = get_queue_messages('in', expected_count=1)
self.assertEqual(items[0].msg['message-id'], '<alpha>')
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