# 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 . """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: 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: 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: """) 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: """) 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: """) 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: 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: 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: """) 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: \xa0 """) items = get_queue_messages('in', expected_count=1) self.assertEqual(items[0].msg['message-id'], '')