| import asyncore |
| import base64 |
| import email.mime.text |
| from email.message import EmailMessage |
| from email.base64mime import body_encode as encode_base64 |
| import email.utils |
| import hmac |
| import socket |
| import smtpd |
| import smtplib |
| import io |
| import re |
| import sys |
| import time |
| import select |
| import errno |
| import textwrap |
| import threading |
| |
| import unittest |
| from test import support, mock_socket |
| from test.support import HOST, HOSTv4, HOSTv6 |
| from test.support import threading_setup, threading_cleanup, join_thread |
| from unittest.mock import Mock |
| |
| |
| if sys.platform == 'darwin': |
| # select.poll returns a select.POLLHUP at the end of the tests |
| # on darwin, so just ignore it |
| def handle_expt(self): |
| pass |
| smtpd.SMTPChannel.handle_expt = handle_expt |
| |
| |
| def server(evt, buf, serv): |
| serv.listen() |
| evt.set() |
| try: |
| conn, addr = serv.accept() |
| except socket.timeout: |
| pass |
| else: |
| n = 500 |
| while buf and n > 0: |
| r, w, e = select.select([], [conn], []) |
| if w: |
| sent = conn.send(buf) |
| buf = buf[sent:] |
| |
| n -= 1 |
| |
| conn.close() |
| finally: |
| serv.close() |
| evt.set() |
| |
| class GeneralTests(unittest.TestCase): |
| |
| def setUp(self): |
| smtplib.socket = mock_socket |
| self.port = 25 |
| |
| def tearDown(self): |
| smtplib.socket = socket |
| |
| # This method is no longer used but is retained for backward compatibility, |
| # so test to make sure it still works. |
| def testQuoteData(self): |
| teststr = "abc\n.jkl\rfoo\r\n..blue" |
| expected = "abc\r\n..jkl\r\nfoo\r\n...blue" |
| self.assertEqual(expected, smtplib.quotedata(teststr)) |
| |
| def testBasic1(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| # connects |
| smtp = smtplib.SMTP(HOST, self.port) |
| smtp.close() |
| |
| def testSourceAddress(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| # connects |
| smtp = smtplib.SMTP(HOST, self.port, |
| source_address=('127.0.0.1',19876)) |
| self.assertEqual(smtp.source_address, ('127.0.0.1', 19876)) |
| smtp.close() |
| |
| def testBasic2(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| # connects, include port in host name |
| smtp = smtplib.SMTP("%s:%s" % (HOST, self.port)) |
| smtp.close() |
| |
| def testLocalHostName(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| # check that supplied local_hostname is used |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname="testhost") |
| self.assertEqual(smtp.local_hostname, "testhost") |
| smtp.close() |
| |
| def testTimeoutDefault(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| self.assertIsNone(mock_socket.getdefaulttimeout()) |
| mock_socket.setdefaulttimeout(30) |
| self.assertEqual(mock_socket.getdefaulttimeout(), 30) |
| try: |
| smtp = smtplib.SMTP(HOST, self.port) |
| finally: |
| mock_socket.setdefaulttimeout(None) |
| self.assertEqual(smtp.sock.gettimeout(), 30) |
| smtp.close() |
| |
| def testTimeoutNone(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| self.assertIsNone(socket.getdefaulttimeout()) |
| socket.setdefaulttimeout(30) |
| try: |
| smtp = smtplib.SMTP(HOST, self.port, timeout=None) |
| finally: |
| socket.setdefaulttimeout(None) |
| self.assertIsNone(smtp.sock.gettimeout()) |
| smtp.close() |
| |
| def testTimeoutValue(self): |
| mock_socket.reply_with(b"220 Hola mundo") |
| smtp = smtplib.SMTP(HOST, self.port, timeout=30) |
| self.assertEqual(smtp.sock.gettimeout(), 30) |
| smtp.close() |
| |
| def test_debuglevel(self): |
| mock_socket.reply_with(b"220 Hello world") |
| smtp = smtplib.SMTP() |
| smtp.set_debuglevel(1) |
| with support.captured_stderr() as stderr: |
| smtp.connect(HOST, self.port) |
| smtp.close() |
| expected = re.compile(r"^connect:", re.MULTILINE) |
| self.assertRegex(stderr.getvalue(), expected) |
| |
| def test_debuglevel_2(self): |
| mock_socket.reply_with(b"220 Hello world") |
| smtp = smtplib.SMTP() |
| smtp.set_debuglevel(2) |
| with support.captured_stderr() as stderr: |
| smtp.connect(HOST, self.port) |
| smtp.close() |
| expected = re.compile(r"^\d{2}:\d{2}:\d{2}\.\d{6} connect: ", |
| re.MULTILINE) |
| self.assertRegex(stderr.getvalue(), expected) |
| |
| |
| # Test server thread using the specified SMTP server class |
| def debugging_server(serv, serv_evt, client_evt): |
| serv_evt.set() |
| |
| try: |
| if hasattr(select, 'poll'): |
| poll_fun = asyncore.poll2 |
| else: |
| poll_fun = asyncore.poll |
| |
| n = 1000 |
| while asyncore.socket_map and n > 0: |
| poll_fun(0.01, asyncore.socket_map) |
| |
| # when the client conversation is finished, it will |
| # set client_evt, and it's then ok to kill the server |
| if client_evt.is_set(): |
| serv.close() |
| break |
| |
| n -= 1 |
| |
| except socket.timeout: |
| pass |
| finally: |
| if not client_evt.is_set(): |
| # allow some time for the client to read the result |
| time.sleep(0.5) |
| serv.close() |
| asyncore.close_all() |
| serv_evt.set() |
| |
| MSG_BEGIN = '---------- MESSAGE FOLLOWS ----------\n' |
| MSG_END = '------------ END MESSAGE ------------\n' |
| |
| # NOTE: Some SMTP objects in the tests below are created with a non-default |
| # local_hostname argument to the constructor, since (on some systems) the FQDN |
| # lookup caused by the default local_hostname sometimes takes so long that the |
| # test server times out, causing the test to fail. |
| |
| # Test behavior of smtpd.DebuggingServer |
| class DebuggingServerTests(unittest.TestCase): |
| |
| maxDiff = None |
| |
| def setUp(self): |
| self.thread_key = threading_setup() |
| self.real_getfqdn = socket.getfqdn |
| socket.getfqdn = mock_socket.getfqdn |
| # temporarily replace sys.stdout to capture DebuggingServer output |
| self.old_stdout = sys.stdout |
| self.output = io.StringIO() |
| sys.stdout = self.output |
| |
| self.serv_evt = threading.Event() |
| self.client_evt = threading.Event() |
| # Capture SMTPChannel debug output |
| self.old_DEBUGSTREAM = smtpd.DEBUGSTREAM |
| smtpd.DEBUGSTREAM = io.StringIO() |
| # Pick a random unused port by passing 0 for the port number |
| self.serv = smtpd.DebuggingServer((HOST, 0), ('nowhere', -1), |
| decode_data=True) |
| # Keep a note of what server host and port were assigned |
| self.host, self.port = self.serv.socket.getsockname()[:2] |
| serv_args = (self.serv, self.serv_evt, self.client_evt) |
| self.thread = threading.Thread(target=debugging_server, args=serv_args) |
| self.thread.start() |
| |
| # wait until server thread has assigned a port number |
| self.serv_evt.wait() |
| self.serv_evt.clear() |
| |
| def tearDown(self): |
| socket.getfqdn = self.real_getfqdn |
| # indicate that the client is finished |
| self.client_evt.set() |
| # wait for the server thread to terminate |
| self.serv_evt.wait() |
| join_thread(self.thread) |
| # restore sys.stdout |
| sys.stdout = self.old_stdout |
| # restore DEBUGSTREAM |
| smtpd.DEBUGSTREAM.close() |
| smtpd.DEBUGSTREAM = self.old_DEBUGSTREAM |
| del self.thread |
| self.doCleanups() |
| threading_cleanup(*self.thread_key) |
| |
| def get_output_without_xpeer(self): |
| test_output = self.output.getvalue() |
| return re.sub(r'(.*?)^X-Peer:\s*\S+\n(.*)', r'\1\2', |
| test_output, flags=re.MULTILINE|re.DOTALL) |
| |
| def testBasic(self): |
| # connect |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| smtp.quit() |
| |
| def testSourceAddress(self): |
| # connect |
| src_port = support.find_unused_port() |
| try: |
| smtp = smtplib.SMTP(self.host, self.port, local_hostname='localhost', |
| timeout=3, source_address=(self.host, src_port)) |
| self.addCleanup(smtp.close) |
| self.assertEqual(smtp.source_address, (self.host, src_port)) |
| self.assertEqual(smtp.local_hostname, 'localhost') |
| smtp.quit() |
| except OSError as e: |
| if e.errno == errno.EADDRINUSE: |
| self.skipTest("couldn't bind to source port %d" % src_port) |
| raise |
| |
| def testNOOP(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| expected = (250, b'OK') |
| self.assertEqual(smtp.noop(), expected) |
| smtp.quit() |
| |
| def testRSET(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| expected = (250, b'OK') |
| self.assertEqual(smtp.rset(), expected) |
| smtp.quit() |
| |
| def testELHO(self): |
| # EHLO isn't implemented in DebuggingServer |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| expected = (250, b'\nSIZE 33554432\nHELP') |
| self.assertEqual(smtp.ehlo(), expected) |
| smtp.quit() |
| |
| def testEXPNNotImplemented(self): |
| # EXPN isn't implemented in DebuggingServer |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| expected = (502, b'EXPN not implemented') |
| smtp.putcmd('EXPN') |
| self.assertEqual(smtp.getreply(), expected) |
| smtp.quit() |
| |
| def testVRFY(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| expected = (252, b'Cannot VRFY user, but will accept message ' + \ |
| b'and attempt delivery') |
| self.assertEqual(smtp.vrfy('nobody@nowhere.com'), expected) |
| self.assertEqual(smtp.verify('nobody@nowhere.com'), expected) |
| smtp.quit() |
| |
| def testSecondHELO(self): |
| # check that a second HELO returns a message that it's a duplicate |
| # (this behavior is specific to smtpd.SMTPChannel) |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.helo() |
| expected = (503, b'Duplicate HELO/EHLO') |
| self.assertEqual(smtp.helo(), expected) |
| smtp.quit() |
| |
| def testHELP(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| self.assertEqual(smtp.help(), b'Supported commands: EHLO HELO MAIL ' + \ |
| b'RCPT DATA RSET NOOP QUIT VRFY') |
| smtp.quit() |
| |
| def testSend(self): |
| # connect and send mail |
| m = 'A test message' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.sendmail('John', 'Sally', m) |
| # XXX(nnorwitz): this test is flaky and dies with a bad file descriptor |
| # in asyncore. This sleep might help, but should really be fixed |
| # properly by using an Event variable. |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m, MSG_END) |
| self.assertEqual(self.output.getvalue(), mexpect) |
| |
| def testSendBinary(self): |
| m = b'A test message' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.sendmail('John', 'Sally', m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.decode('ascii'), MSG_END) |
| self.assertEqual(self.output.getvalue(), mexpect) |
| |
| def testSendNeedingDotQuote(self): |
| # Issue 12283 |
| m = '.A test\n.mes.sage.' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.sendmail('John', 'Sally', m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m, MSG_END) |
| self.assertEqual(self.output.getvalue(), mexpect) |
| |
| def testSendNullSender(self): |
| m = 'A test message' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.sendmail('<>', 'Sally', m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m, MSG_END) |
| self.assertEqual(self.output.getvalue(), mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: <>$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| |
| def testSendMessage(self): |
| m = email.mime.text.MIMEText('A test message') |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m, from_addr='John', to_addrs='Sally') |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # Remove the X-Peer header that DebuggingServer adds as figuring out |
| # exactly what IP address format is put there is not easy (and |
| # irrelevant to our test). Typically 127.0.0.1 or ::1, but it is |
| # not always the same as socket.gethostbyname(HOST). :( |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| |
| def testSendMessageWithAddresses(self): |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'foo@bar.com' |
| m['To'] = 'John' |
| m['CC'] = 'Sally, Fred' |
| m['Bcc'] = 'John Root <root@localhost>, "Dinsdale" <warped@silly.walks.com>' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| # make sure the Bcc header is still in the message. |
| self.assertEqual(m['Bcc'], 'John Root <root@localhost>, "Dinsdale" ' |
| '<warped@silly.walks.com>') |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # Remove the X-Peer header that DebuggingServer adds. |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| # The Bcc header should not be transmitted. |
| del m['Bcc'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: foo@bar.com$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| for addr in ('John', 'Sally', 'Fred', 'root@localhost', |
| 'warped@silly.walks.com'): |
| to_addr = re.compile(r"^recips: .*'{}'.*$".format(addr), |
| re.MULTILINE) |
| self.assertRegex(debugout, to_addr) |
| |
| def testSendMessageWithSomeAddresses(self): |
| # Make sure nothing breaks if not all of the three 'to' headers exist |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'foo@bar.com' |
| m['To'] = 'John, Dinsdale' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # Remove the X-Peer header that DebuggingServer adds. |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: foo@bar.com$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| for addr in ('John', 'Dinsdale'): |
| to_addr = re.compile(r"^recips: .*'{}'.*$".format(addr), |
| re.MULTILINE) |
| self.assertRegex(debugout, to_addr) |
| |
| def testSendMessageWithSpecifiedAddresses(self): |
| # Make sure addresses specified in call override those in message. |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'foo@bar.com' |
| m['To'] = 'John, Dinsdale' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m, from_addr='joe@example.com', to_addrs='foo@example.net') |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # Remove the X-Peer header that DebuggingServer adds. |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: joe@example.com$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| for addr in ('John', 'Dinsdale'): |
| to_addr = re.compile(r"^recips: .*'{}'.*$".format(addr), |
| re.MULTILINE) |
| self.assertNotRegex(debugout, to_addr) |
| recip = re.compile(r"^recips: .*'foo@example.net'.*$", re.MULTILINE) |
| self.assertRegex(debugout, recip) |
| |
| def testSendMessageWithMultipleFrom(self): |
| # Sender overrides To |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'Bernard, Bianca' |
| m['Sender'] = 'the_rescuers@Rescue-Aid-Society.com' |
| m['To'] = 'John, Dinsdale' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # Remove the X-Peer header that DebuggingServer adds. |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: the_rescuers@Rescue-Aid-Society.com$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| for addr in ('John', 'Dinsdale'): |
| to_addr = re.compile(r"^recips: .*'{}'.*$".format(addr), |
| re.MULTILINE) |
| self.assertRegex(debugout, to_addr) |
| |
| def testSendMessageResent(self): |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'foo@bar.com' |
| m['To'] = 'John' |
| m['CC'] = 'Sally, Fred' |
| m['Bcc'] = 'John Root <root@localhost>, "Dinsdale" <warped@silly.walks.com>' |
| m['Resent-Date'] = 'Thu, 1 Jan 1970 17:42:00 +0000' |
| m['Resent-From'] = 'holy@grail.net' |
| m['Resent-To'] = 'Martha <my_mom@great.cooker.com>, Jeff' |
| m['Resent-Bcc'] = 'doe@losthope.net' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.send_message(m) |
| # XXX (see comment in testSend) |
| time.sleep(0.01) |
| smtp.quit() |
| |
| self.client_evt.set() |
| self.serv_evt.wait() |
| self.output.flush() |
| # The Resent-Bcc headers are deleted before serialization. |
| del m['Bcc'] |
| del m['Resent-Bcc'] |
| # Remove the X-Peer header that DebuggingServer adds. |
| test_output = self.get_output_without_xpeer() |
| del m['X-Peer'] |
| mexpect = '%s%s\n%s' % (MSG_BEGIN, m.as_string(), MSG_END) |
| self.assertEqual(test_output, mexpect) |
| debugout = smtpd.DEBUGSTREAM.getvalue() |
| sender = re.compile("^sender: holy@grail.net$", re.MULTILINE) |
| self.assertRegex(debugout, sender) |
| for addr in ('my_mom@great.cooker.com', 'Jeff', 'doe@losthope.net'): |
| to_addr = re.compile(r"^recips: .*'{}'.*$".format(addr), |
| re.MULTILINE) |
| self.assertRegex(debugout, to_addr) |
| |
| def testSendMessageMultipleResentRaises(self): |
| m = email.mime.text.MIMEText('A test message') |
| m['From'] = 'foo@bar.com' |
| m['To'] = 'John' |
| m['CC'] = 'Sally, Fred' |
| m['Bcc'] = 'John Root <root@localhost>, "Dinsdale" <warped@silly.walks.com>' |
| m['Resent-Date'] = 'Thu, 1 Jan 1970 17:42:00 +0000' |
| m['Resent-From'] = 'holy@grail.net' |
| m['Resent-To'] = 'Martha <my_mom@great.cooker.com>, Jeff' |
| m['Resent-Bcc'] = 'doe@losthope.net' |
| m['Resent-Date'] = 'Thu, 2 Jan 1970 17:42:00 +0000' |
| m['Resent-To'] = 'holy@grail.net' |
| m['Resent-From'] = 'Martha <my_mom@great.cooker.com>, Jeff' |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| with self.assertRaises(ValueError): |
| smtp.send_message(m) |
| smtp.close() |
| |
| class NonConnectingTests(unittest.TestCase): |
| |
| def testNotConnected(self): |
| # Test various operations on an unconnected SMTP object that |
| # should raise exceptions (at present the attempt in SMTP.send |
| # to reference the nonexistent 'sock' attribute of the SMTP object |
| # causes an AttributeError) |
| smtp = smtplib.SMTP() |
| self.assertRaises(smtplib.SMTPServerDisconnected, smtp.ehlo) |
| self.assertRaises(smtplib.SMTPServerDisconnected, |
| smtp.send, 'test msg') |
| |
| def testNonnumericPort(self): |
| # check that non-numeric port raises OSError |
| self.assertRaises(OSError, smtplib.SMTP, |
| "localhost", "bogus") |
| self.assertRaises(OSError, smtplib.SMTP, |
| "localhost:bogus") |
| |
| def testSockAttributeExists(self): |
| # check that sock attribute is present outside of a connect() call |
| # (regression test, the previous behavior raised an |
| # AttributeError: 'SMTP' object has no attribute 'sock') |
| with smtplib.SMTP() as smtp: |
| self.assertIsNone(smtp.sock) |
| |
| |
| class DefaultArgumentsTests(unittest.TestCase): |
| |
| def setUp(self): |
| self.msg = EmailMessage() |
| self.msg['From'] = 'Páolo <főo@bar.com>' |
| self.smtp = smtplib.SMTP() |
| self.smtp.ehlo = Mock(return_value=(200, 'OK')) |
| self.smtp.has_extn, self.smtp.sendmail = Mock(), Mock() |
| |
| def testSendMessage(self): |
| expected_mail_options = ('SMTPUTF8', 'BODY=8BITMIME') |
| self.smtp.send_message(self.msg) |
| self.smtp.send_message(self.msg) |
| self.assertEqual(self.smtp.sendmail.call_args_list[0][0][3], |
| expected_mail_options) |
| self.assertEqual(self.smtp.sendmail.call_args_list[1][0][3], |
| expected_mail_options) |
| |
| def testSendMessageWithMailOptions(self): |
| mail_options = ['STARTTLS'] |
| expected_mail_options = ('STARTTLS', 'SMTPUTF8', 'BODY=8BITMIME') |
| self.smtp.send_message(self.msg, None, None, mail_options) |
| self.assertEqual(mail_options, ['STARTTLS']) |
| self.assertEqual(self.smtp.sendmail.call_args_list[0][0][3], |
| expected_mail_options) |
| |
| |
| # test response of client to a non-successful HELO message |
| class BadHELOServerTests(unittest.TestCase): |
| |
| def setUp(self): |
| smtplib.socket = mock_socket |
| mock_socket.reply_with(b"199 no hello for you!") |
| self.old_stdout = sys.stdout |
| self.output = io.StringIO() |
| sys.stdout = self.output |
| self.port = 25 |
| |
| def tearDown(self): |
| smtplib.socket = socket |
| sys.stdout = self.old_stdout |
| |
| def testFailingHELO(self): |
| self.assertRaises(smtplib.SMTPConnectError, smtplib.SMTP, |
| HOST, self.port, 'localhost', 3) |
| |
| |
| class TooLongLineTests(unittest.TestCase): |
| respdata = b'250 OK' + (b'.' * smtplib._MAXLINE * 2) + b'\n' |
| |
| def setUp(self): |
| self.thread_key = threading_setup() |
| self.old_stdout = sys.stdout |
| self.output = io.StringIO() |
| sys.stdout = self.output |
| |
| self.evt = threading.Event() |
| self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
| self.sock.settimeout(15) |
| self.port = support.bind_port(self.sock) |
| servargs = (self.evt, self.respdata, self.sock) |
| self.thread = threading.Thread(target=server, args=servargs) |
| self.thread.start() |
| self.evt.wait() |
| self.evt.clear() |
| |
| def tearDown(self): |
| self.evt.wait() |
| sys.stdout = self.old_stdout |
| join_thread(self.thread) |
| del self.thread |
| self.doCleanups() |
| threading_cleanup(*self.thread_key) |
| |
| def testLineTooLong(self): |
| self.assertRaises(smtplib.SMTPResponseException, smtplib.SMTP, |
| HOST, self.port, 'localhost', 3) |
| |
| |
| sim_users = {'Mr.A@somewhere.com':'John A', |
| 'Ms.B@xn--fo-fka.com':'Sally B', |
| 'Mrs.C@somewhereesle.com':'Ruth C', |
| } |
| |
| sim_auth = ('Mr.A@somewhere.com', 'somepassword') |
| sim_cram_md5_challenge = ('PENCeUxFREJoU0NnbmhNWitOMjNGNn' |
| 'dAZWx3b29kLmlubm9zb2Z0LmNvbT4=') |
| sim_lists = {'list-1':['Mr.A@somewhere.com','Mrs.C@somewhereesle.com'], |
| 'list-2':['Ms.B@xn--fo-fka.com',], |
| } |
| |
| # Simulated SMTP channel & server |
| class ResponseException(Exception): pass |
| class SimSMTPChannel(smtpd.SMTPChannel): |
| |
| quit_response = None |
| mail_response = None |
| rcpt_response = None |
| data_response = None |
| rcpt_count = 0 |
| rset_count = 0 |
| disconnect = 0 |
| AUTH = 99 # Add protocol state to enable auth testing. |
| authenticated_user = None |
| |
| def __init__(self, extra_features, *args, **kw): |
| self._extrafeatures = ''.join( |
| [ "250-{0}\r\n".format(x) for x in extra_features ]) |
| super(SimSMTPChannel, self).__init__(*args, **kw) |
| |
| # AUTH related stuff. It would be nice if support for this were in smtpd. |
| def found_terminator(self): |
| if self.smtp_state == self.AUTH: |
| line = self._emptystring.join(self.received_lines) |
| print('Data:', repr(line), file=smtpd.DEBUGSTREAM) |
| self.received_lines = [] |
| try: |
| self.auth_object(line) |
| except ResponseException as e: |
| self.smtp_state = self.COMMAND |
| self.push('%s %s' % (e.smtp_code, e.smtp_error)) |
| return |
| super().found_terminator() |
| |
| |
| def smtp_AUTH(self, arg): |
| if not self.seen_greeting: |
| self.push('503 Error: send EHLO first') |
| return |
| if not self.extended_smtp or 'AUTH' not in self._extrafeatures: |
| self.push('500 Error: command "AUTH" not recognized') |
| return |
| if self.authenticated_user is not None: |
| self.push( |
| '503 Bad sequence of commands: already authenticated') |
| return |
| args = arg.split() |
| if len(args) not in [1, 2]: |
| self.push('501 Syntax: AUTH <mechanism> [initial-response]') |
| return |
| auth_object_name = '_auth_%s' % args[0].lower().replace('-', '_') |
| try: |
| self.auth_object = getattr(self, auth_object_name) |
| except AttributeError: |
| self.push('504 Command parameter not implemented: unsupported ' |
| ' authentication mechanism {!r}'.format(auth_object_name)) |
| return |
| self.smtp_state = self.AUTH |
| self.auth_object(args[1] if len(args) == 2 else None) |
| |
| def _authenticated(self, user, valid): |
| if valid: |
| self.authenticated_user = user |
| self.push('235 Authentication Succeeded') |
| else: |
| self.push('535 Authentication credentials invalid') |
| self.smtp_state = self.COMMAND |
| |
| def _decode_base64(self, string): |
| return base64.decodebytes(string.encode('ascii')).decode('utf-8') |
| |
| def _auth_plain(self, arg=None): |
| if arg is None: |
| self.push('334 ') |
| else: |
| logpass = self._decode_base64(arg) |
| try: |
| *_, user, password = logpass.split('\0') |
| except ValueError as e: |
| self.push('535 Splitting response {!r} into user and password' |
| ' failed: {}'.format(logpass, e)) |
| return |
| self._authenticated(user, password == sim_auth[1]) |
| |
| def _auth_login(self, arg=None): |
| if arg is None: |
| # base64 encoded 'Username:' |
| self.push('334 VXNlcm5hbWU6') |
| elif not hasattr(self, '_auth_login_user'): |
| self._auth_login_user = self._decode_base64(arg) |
| # base64 encoded 'Password:' |
| self.push('334 UGFzc3dvcmQ6') |
| else: |
| password = self._decode_base64(arg) |
| self._authenticated(self._auth_login_user, password == sim_auth[1]) |
| del self._auth_login_user |
| |
| def _auth_cram_md5(self, arg=None): |
| if arg is None: |
| self.push('334 {}'.format(sim_cram_md5_challenge)) |
| else: |
| logpass = self._decode_base64(arg) |
| try: |
| user, hashed_pass = logpass.split() |
| except ValueError as e: |
| self.push('535 Splitting response {!r} into user and password' |
| 'failed: {}'.format(logpass, e)) |
| return False |
| valid_hashed_pass = hmac.HMAC( |
| sim_auth[1].encode('ascii'), |
| self._decode_base64(sim_cram_md5_challenge).encode('ascii'), |
| 'md5').hexdigest() |
| self._authenticated(user, hashed_pass == valid_hashed_pass) |
| # end AUTH related stuff. |
| |
| def smtp_EHLO(self, arg): |
| resp = ('250-testhost\r\n' |
| '250-EXPN\r\n' |
| '250-SIZE 20000000\r\n' |
| '250-STARTTLS\r\n' |
| '250-DELIVERBY\r\n') |
| resp = resp + self._extrafeatures + '250 HELP' |
| self.push(resp) |
| self.seen_greeting = arg |
| self.extended_smtp = True |
| |
| def smtp_VRFY(self, arg): |
| # For max compatibility smtplib should be sending the raw address. |
| if arg in sim_users: |
| self.push('250 %s %s' % (sim_users[arg], smtplib.quoteaddr(arg))) |
| else: |
| self.push('550 No such user: %s' % arg) |
| |
| def smtp_EXPN(self, arg): |
| list_name = arg.lower() |
| if list_name in sim_lists: |
| user_list = sim_lists[list_name] |
| for n, user_email in enumerate(user_list): |
| quoted_addr = smtplib.quoteaddr(user_email) |
| if n < len(user_list) - 1: |
| self.push('250-%s %s' % (sim_users[user_email], quoted_addr)) |
| else: |
| self.push('250 %s %s' % (sim_users[user_email], quoted_addr)) |
| else: |
| self.push('550 No access for you!') |
| |
| def smtp_QUIT(self, arg): |
| if self.quit_response is None: |
| super(SimSMTPChannel, self).smtp_QUIT(arg) |
| else: |
| self.push(self.quit_response) |
| self.close_when_done() |
| |
| def smtp_MAIL(self, arg): |
| if self.mail_response is None: |
| super().smtp_MAIL(arg) |
| else: |
| self.push(self.mail_response) |
| if self.disconnect: |
| self.close_when_done() |
| |
| def smtp_RCPT(self, arg): |
| if self.rcpt_response is None: |
| super().smtp_RCPT(arg) |
| return |
| self.rcpt_count += 1 |
| self.push(self.rcpt_response[self.rcpt_count-1]) |
| |
| def smtp_RSET(self, arg): |
| self.rset_count += 1 |
| super().smtp_RSET(arg) |
| |
| def smtp_DATA(self, arg): |
| if self.data_response is None: |
| super().smtp_DATA(arg) |
| else: |
| self.push(self.data_response) |
| |
| def handle_error(self): |
| raise |
| |
| |
| class SimSMTPServer(smtpd.SMTPServer): |
| |
| channel_class = SimSMTPChannel |
| |
| def __init__(self, *args, **kw): |
| self._extra_features = [] |
| self._addresses = {} |
| smtpd.SMTPServer.__init__(self, *args, **kw) |
| |
| def handle_accepted(self, conn, addr): |
| self._SMTPchannel = self.channel_class( |
| self._extra_features, self, conn, addr, |
| decode_data=self._decode_data) |
| |
| def process_message(self, peer, mailfrom, rcpttos, data): |
| self._addresses['from'] = mailfrom |
| self._addresses['tos'] = rcpttos |
| |
| def add_feature(self, feature): |
| self._extra_features.append(feature) |
| |
| def handle_error(self): |
| raise |
| |
| |
| # Test various SMTP & ESMTP commands/behaviors that require a simulated server |
| # (i.e., something with more features than DebuggingServer) |
| class SMTPSimTests(unittest.TestCase): |
| |
| def setUp(self): |
| self.thread_key = threading_setup() |
| self.real_getfqdn = socket.getfqdn |
| socket.getfqdn = mock_socket.getfqdn |
| self.serv_evt = threading.Event() |
| self.client_evt = threading.Event() |
| # Pick a random unused port by passing 0 for the port number |
| self.serv = SimSMTPServer((HOST, 0), ('nowhere', -1), decode_data=True) |
| # Keep a note of what port was assigned |
| self.port = self.serv.socket.getsockname()[1] |
| serv_args = (self.serv, self.serv_evt, self.client_evt) |
| self.thread = threading.Thread(target=debugging_server, args=serv_args) |
| self.thread.start() |
| |
| # wait until server thread has assigned a port number |
| self.serv_evt.wait() |
| self.serv_evt.clear() |
| |
| def tearDown(self): |
| socket.getfqdn = self.real_getfqdn |
| # indicate that the client is finished |
| self.client_evt.set() |
| # wait for the server thread to terminate |
| self.serv_evt.wait() |
| join_thread(self.thread) |
| del self.thread |
| self.doCleanups() |
| threading_cleanup(*self.thread_key) |
| |
| def testBasic(self): |
| # smoke test |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| smtp.quit() |
| |
| def testEHLO(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| |
| # no features should be present before the EHLO |
| self.assertEqual(smtp.esmtp_features, {}) |
| |
| # features expected from the test server |
| expected_features = {'expn':'', |
| 'size': '20000000', |
| 'starttls': '', |
| 'deliverby': '', |
| 'help': '', |
| } |
| |
| smtp.ehlo() |
| self.assertEqual(smtp.esmtp_features, expected_features) |
| for k in expected_features: |
| self.assertTrue(smtp.has_extn(k)) |
| self.assertFalse(smtp.has_extn('unsupported-feature')) |
| smtp.quit() |
| |
| def testVRFY(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| |
| for addr_spec, name in sim_users.items(): |
| expected_known = (250, bytes('%s %s' % |
| (name, smtplib.quoteaddr(addr_spec)), |
| "ascii")) |
| self.assertEqual(smtp.vrfy(addr_spec), expected_known) |
| |
| u = 'nobody@nowhere.com' |
| expected_unknown = (550, ('No such user: %s' % u).encode('ascii')) |
| self.assertEqual(smtp.vrfy(u), expected_unknown) |
| smtp.quit() |
| |
| def testEXPN(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| |
| for listname, members in sim_lists.items(): |
| users = [] |
| for m in members: |
| users.append('%s %s' % (sim_users[m], smtplib.quoteaddr(m))) |
| expected_known = (250, bytes('\n'.join(users), "ascii")) |
| self.assertEqual(smtp.expn(listname), expected_known) |
| |
| u = 'PSU-Members-List' |
| expected_unknown = (550, b'No access for you!') |
| self.assertEqual(smtp.expn(u), expected_unknown) |
| smtp.quit() |
| |
| def testAUTH_PLAIN(self): |
| self.serv.add_feature("AUTH PLAIN") |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| resp = smtp.login(sim_auth[0], sim_auth[1]) |
| self.assertEqual(resp, (235, b'Authentication Succeeded')) |
| smtp.close() |
| |
| def testAUTH_LOGIN(self): |
| self.serv.add_feature("AUTH LOGIN") |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| resp = smtp.login(sim_auth[0], sim_auth[1]) |
| self.assertEqual(resp, (235, b'Authentication Succeeded')) |
| smtp.close() |
| |
| def testAUTH_CRAM_MD5(self): |
| self.serv.add_feature("AUTH CRAM-MD5") |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| resp = smtp.login(sim_auth[0], sim_auth[1]) |
| self.assertEqual(resp, (235, b'Authentication Succeeded')) |
| smtp.close() |
| |
| def testAUTH_multiple(self): |
| # Test that multiple authentication methods are tried. |
| self.serv.add_feature("AUTH BOGUS PLAIN LOGIN CRAM-MD5") |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| resp = smtp.login(sim_auth[0], sim_auth[1]) |
| self.assertEqual(resp, (235, b'Authentication Succeeded')) |
| smtp.close() |
| |
| def test_auth_function(self): |
| supported = {'CRAM-MD5', 'PLAIN', 'LOGIN'} |
| for mechanism in supported: |
| self.serv.add_feature("AUTH {}".format(mechanism)) |
| for mechanism in supported: |
| with self.subTest(mechanism=mechanism): |
| smtp = smtplib.SMTP(HOST, self.port, |
| local_hostname='localhost', timeout=15) |
| smtp.ehlo('foo') |
| smtp.user, smtp.password = sim_auth[0], sim_auth[1] |
| method = 'auth_' + mechanism.lower().replace('-', '_') |
| resp = smtp.auth(mechanism, getattr(smtp, method)) |
| self.assertEqual(resp, (235, b'Authentication Succeeded')) |
| smtp.close() |
| |
| def test_quit_resets_greeting(self): |
| smtp = smtplib.SMTP(HOST, self.port, |
| local_hostname='localhost', |
| timeout=15) |
| code, message = smtp.ehlo() |
| self.assertEqual(code, 250) |
| self.assertIn('size', smtp.esmtp_features) |
| smtp.quit() |
| self.assertNotIn('size', smtp.esmtp_features) |
| smtp.connect(HOST, self.port) |
| self.assertNotIn('size', smtp.esmtp_features) |
| smtp.ehlo_or_helo_if_needed() |
| self.assertIn('size', smtp.esmtp_features) |
| smtp.quit() |
| |
| def test_with_statement(self): |
| with smtplib.SMTP(HOST, self.port) as smtp: |
| code, message = smtp.noop() |
| self.assertEqual(code, 250) |
| self.assertRaises(smtplib.SMTPServerDisconnected, smtp.send, b'foo') |
| with smtplib.SMTP(HOST, self.port) as smtp: |
| smtp.close() |
| self.assertRaises(smtplib.SMTPServerDisconnected, smtp.send, b'foo') |
| |
| def test_with_statement_QUIT_failure(self): |
| with self.assertRaises(smtplib.SMTPResponseException) as error: |
| with smtplib.SMTP(HOST, self.port) as smtp: |
| smtp.noop() |
| self.serv._SMTPchannel.quit_response = '421 QUIT FAILED' |
| self.assertEqual(error.exception.smtp_code, 421) |
| self.assertEqual(error.exception.smtp_error, b'QUIT FAILED') |
| |
| #TODO: add tests for correct AUTH method fallback now that the |
| #test infrastructure can support it. |
| |
| # Issue 17498: make sure _rset does not raise SMTPServerDisconnected exception |
| def test__rest_from_mail_cmd(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| smtp.noop() |
| self.serv._SMTPchannel.mail_response = '451 Requested action aborted' |
| self.serv._SMTPchannel.disconnect = True |
| with self.assertRaises(smtplib.SMTPSenderRefused): |
| smtp.sendmail('John', 'Sally', 'test message') |
| self.assertIsNone(smtp.sock) |
| |
| # Issue 5713: make sure close, not rset, is called if we get a 421 error |
| def test_421_from_mail_cmd(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| smtp.noop() |
| self.serv._SMTPchannel.mail_response = '421 closing connection' |
| with self.assertRaises(smtplib.SMTPSenderRefused): |
| smtp.sendmail('John', 'Sally', 'test message') |
| self.assertIsNone(smtp.sock) |
| self.assertEqual(self.serv._SMTPchannel.rset_count, 0) |
| |
| def test_421_from_rcpt_cmd(self): |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| smtp.noop() |
| self.serv._SMTPchannel.rcpt_response = ['250 accepted', '421 closing'] |
| with self.assertRaises(smtplib.SMTPRecipientsRefused) as r: |
| smtp.sendmail('John', ['Sally', 'Frank', 'George'], 'test message') |
| self.assertIsNone(smtp.sock) |
| self.assertEqual(self.serv._SMTPchannel.rset_count, 0) |
| self.assertDictEqual(r.exception.args[0], {'Frank': (421, b'closing')}) |
| |
| def test_421_from_data_cmd(self): |
| class MySimSMTPChannel(SimSMTPChannel): |
| def found_terminator(self): |
| if self.smtp_state == self.DATA: |
| self.push('421 closing') |
| else: |
| super().found_terminator() |
| self.serv.channel_class = MySimSMTPChannel |
| smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15) |
| smtp.noop() |
| with self.assertRaises(smtplib.SMTPDataError): |
| smtp.sendmail('John@foo.org', ['Sally@foo.org'], 'test message') |
| self.assertIsNone(smtp.sock) |
| self.assertEqual(self.serv._SMTPchannel.rcpt_count, 0) |
| |
| def test_smtputf8_NotSupportedError_if_no_server_support(self): |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.ehlo() |
| self.assertTrue(smtp.does_esmtp) |
| self.assertFalse(smtp.has_extn('smtputf8')) |
| self.assertRaises( |
| smtplib.SMTPNotSupportedError, |
| smtp.sendmail, |
| 'John', 'Sally', '', mail_options=['BODY=8BITMIME', 'SMTPUTF8']) |
| self.assertRaises( |
| smtplib.SMTPNotSupportedError, |
| smtp.mail, 'John', options=['BODY=8BITMIME', 'SMTPUTF8']) |
| |
| def test_send_unicode_without_SMTPUTF8(self): |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| self.assertRaises(UnicodeEncodeError, smtp.sendmail, 'Alice', 'Böb', '') |
| self.assertRaises(UnicodeEncodeError, smtp.mail, 'Älice') |
| |
| def test_send_message_error_on_non_ascii_addrs_if_no_smtputf8(self): |
| # This test is located here and not in the SMTPUTF8SimTests |
| # class because it needs a "regular" SMTP server to work |
| msg = EmailMessage() |
| msg['From'] = "Páolo <főo@bar.com>" |
| msg['To'] = 'Dinsdale' |
| msg['Subject'] = 'Nudge nudge, wink, wink \u1F609' |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| with self.assertRaises(smtplib.SMTPNotSupportedError): |
| smtp.send_message(msg) |
| |
| def test_name_field_not_included_in_envelop_addresses(self): |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3 |
| ) |
| self.addCleanup(smtp.close) |
| |
| message = EmailMessage() |
| message['From'] = email.utils.formataddr(('Michaël', 'michael@example.com')) |
| message['To'] = email.utils.formataddr(('René', 'rene@example.com')) |
| |
| self.assertDictEqual(smtp.send_message(message), {}) |
| |
| self.assertEqual(self.serv._addresses['from'], 'michael@example.com') |
| self.assertEqual(self.serv._addresses['tos'], ['rene@example.com']) |
| |
| |
| class SimSMTPUTF8Server(SimSMTPServer): |
| |
| def __init__(self, *args, **kw): |
| # The base SMTP server turns these on automatically, but our test |
| # server is set up to munge the EHLO response, so we need to provide |
| # them as well. And yes, the call is to SMTPServer not SimSMTPServer. |
| self._extra_features = ['SMTPUTF8', '8BITMIME'] |
| smtpd.SMTPServer.__init__(self, *args, **kw) |
| |
| def handle_accepted(self, conn, addr): |
| self._SMTPchannel = self.channel_class( |
| self._extra_features, self, conn, addr, |
| decode_data=self._decode_data, |
| enable_SMTPUTF8=self.enable_SMTPUTF8, |
| ) |
| |
| def process_message(self, peer, mailfrom, rcpttos, data, mail_options=None, |
| rcpt_options=None): |
| self.last_peer = peer |
| self.last_mailfrom = mailfrom |
| self.last_rcpttos = rcpttos |
| self.last_message = data |
| self.last_mail_options = mail_options |
| self.last_rcpt_options = rcpt_options |
| |
| |
| class SMTPUTF8SimTests(unittest.TestCase): |
| |
| maxDiff = None |
| |
| def setUp(self): |
| self.thread_key = threading_setup() |
| self.real_getfqdn = socket.getfqdn |
| socket.getfqdn = mock_socket.getfqdn |
| self.serv_evt = threading.Event() |
| self.client_evt = threading.Event() |
| # Pick a random unused port by passing 0 for the port number |
| self.serv = SimSMTPUTF8Server((HOST, 0), ('nowhere', -1), |
| decode_data=False, |
| enable_SMTPUTF8=True) |
| # Keep a note of what port was assigned |
| self.port = self.serv.socket.getsockname()[1] |
| serv_args = (self.serv, self.serv_evt, self.client_evt) |
| self.thread = threading.Thread(target=debugging_server, args=serv_args) |
| self.thread.start() |
| |
| # wait until server thread has assigned a port number |
| self.serv_evt.wait() |
| self.serv_evt.clear() |
| |
| def tearDown(self): |
| socket.getfqdn = self.real_getfqdn |
| # indicate that the client is finished |
| self.client_evt.set() |
| # wait for the server thread to terminate |
| self.serv_evt.wait() |
| join_thread(self.thread) |
| del self.thread |
| self.doCleanups() |
| threading_cleanup(*self.thread_key) |
| |
| def test_test_server_supports_extensions(self): |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.ehlo() |
| self.assertTrue(smtp.does_esmtp) |
| self.assertTrue(smtp.has_extn('smtputf8')) |
| |
| def test_send_unicode_with_SMTPUTF8_via_sendmail(self): |
| m = '¡a test message containing unicode!'.encode('utf-8') |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.sendmail('Jőhn', 'Sálly', m, |
| mail_options=['BODY=8BITMIME', 'SMTPUTF8']) |
| self.assertEqual(self.serv.last_mailfrom, 'Jőhn') |
| self.assertEqual(self.serv.last_rcpttos, ['Sálly']) |
| self.assertEqual(self.serv.last_message, m) |
| self.assertIn('BODY=8BITMIME', self.serv.last_mail_options) |
| self.assertIn('SMTPUTF8', self.serv.last_mail_options) |
| self.assertEqual(self.serv.last_rcpt_options, []) |
| |
| def test_send_unicode_with_SMTPUTF8_via_low_level_API(self): |
| m = '¡a test message containing unicode!'.encode('utf-8') |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| smtp.ehlo() |
| self.assertEqual( |
| smtp.mail('Jő', options=['BODY=8BITMIME', 'SMTPUTF8']), |
| (250, b'OK')) |
| self.assertEqual(smtp.rcpt('János'), (250, b'OK')) |
| self.assertEqual(smtp.data(m), (250, b'OK')) |
| self.assertEqual(self.serv.last_mailfrom, 'Jő') |
| self.assertEqual(self.serv.last_rcpttos, ['János']) |
| self.assertEqual(self.serv.last_message, m) |
| self.assertIn('BODY=8BITMIME', self.serv.last_mail_options) |
| self.assertIn('SMTPUTF8', self.serv.last_mail_options) |
| self.assertEqual(self.serv.last_rcpt_options, []) |
| |
| def test_send_message_uses_smtputf8_if_addrs_non_ascii(self): |
| msg = EmailMessage() |
| msg['From'] = "Páolo <főo@bar.com>" |
| msg['To'] = 'Dinsdale' |
| msg['Subject'] = 'Nudge nudge, wink, wink \u1F609' |
| # XXX I don't know why I need two \n's here, but this is an existing |
| # bug (if it is one) and not a problem with the new functionality. |
| msg.set_content("oh là là, know what I mean, know what I mean?\n\n") |
| # XXX smtpd converts received /r/n to /n, so we can't easily test that |
| # we are successfully sending /r/n :(. |
| expected = textwrap.dedent("""\ |
| From: Páolo <főo@bar.com> |
| To: Dinsdale |
| Subject: Nudge nudge, wink, wink \u1F609 |
| Content-Type: text/plain; charset="utf-8" |
| Content-Transfer-Encoding: 8bit |
| MIME-Version: 1.0 |
| |
| oh là là, know what I mean, know what I mean? |
| """) |
| smtp = smtplib.SMTP( |
| HOST, self.port, local_hostname='localhost', timeout=3) |
| self.addCleanup(smtp.close) |
| self.assertEqual(smtp.send_message(msg), {}) |
| self.assertEqual(self.serv.last_mailfrom, 'főo@bar.com') |
| self.assertEqual(self.serv.last_rcpttos, ['Dinsdale']) |
| self.assertEqual(self.serv.last_message.decode(), expected) |
| self.assertIn('BODY=8BITMIME', self.serv.last_mail_options) |
| self.assertIn('SMTPUTF8', self.serv.last_mail_options) |
| self.assertEqual(self.serv.last_rcpt_options, []) |
| |
| |
| EXPECTED_RESPONSE = encode_base64(b'\0psu\0doesnotexist', eol='') |
| |
| class SimSMTPAUTHInitialResponseChannel(SimSMTPChannel): |
| def smtp_AUTH(self, arg): |
| # RFC 4954's AUTH command allows for an optional initial-response. |
| # Not all AUTH methods support this; some require a challenge. AUTH |
| # PLAIN does those, so test that here. See issue #15014. |
| args = arg.split() |
| if args[0].lower() == 'plain': |
| if len(args) == 2: |
| # AUTH PLAIN <initial-response> with the response base 64 |
| # encoded. Hard code the expected response for the test. |
| if args[1] == EXPECTED_RESPONSE: |
| self.push('235 Ok') |
| return |
| self.push('571 Bad authentication') |
| |
| class SimSMTPAUTHInitialResponseServer(SimSMTPServer): |
| channel_class = SimSMTPAUTHInitialResponseChannel |
| |
| |
| class SMTPAUTHInitialResponseSimTests(unittest.TestCase): |
| def setUp(self): |
| self.thread_key = threading_setup() |
| self.real_getfqdn = socket.getfqdn |
| socket.getfqdn = mock_socket.getfqdn |
| self.serv_evt = threading.Event() |
| self.client_evt = threading.Event() |
| # Pick a random unused port by passing 0 for the port number |
| self.serv = SimSMTPAUTHInitialResponseServer( |
| (HOST, 0), ('nowhere', -1), decode_data=True) |
| # Keep a note of what port was assigned |
| self.port = self.serv.socket.getsockname()[1] |
| serv_args = (self.serv, self.serv_evt, self.client_evt) |
| self.thread = threading.Thread(target=debugging_server, args=serv_args) |
| self.thread.start() |
| |
| # wait until server thread has assigned a port number |
| self.serv_evt.wait() |
| self.serv_evt.clear() |
| |
| def tearDown(self): |
| socket.getfqdn = self.real_getfqdn |
| # indicate that the client is finished |
| self.client_evt.set() |
| # wait for the server thread to terminate |
| self.serv_evt.wait() |
| join_thread(self.thread) |
| del self.thread |
| self.doCleanups() |
| threading_cleanup(*self.thread_key) |
| |
| def testAUTH_PLAIN_initial_response_login(self): |
| self.serv.add_feature('AUTH PLAIN') |
| smtp = smtplib.SMTP(HOST, self.port, |
| local_hostname='localhost', timeout=15) |
| smtp.login('psu', 'doesnotexist') |
| smtp.close() |
| |
| def testAUTH_PLAIN_initial_response_auth(self): |
| self.serv.add_feature('AUTH PLAIN') |
| smtp = smtplib.SMTP(HOST, self.port, |
| local_hostname='localhost', timeout=15) |
| smtp.user = 'psu' |
| smtp.password = 'doesnotexist' |
| code, response = smtp.auth('plain', smtp.auth_plain) |
| smtp.close() |
| self.assertEqual(code, 235) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |