from test import support
from test.support import socket_helper
from contextlib import contextmanager
import imaplib
import os.path
import socketserver
import time
import calendar
import threading
import socket
from test.support import (reap_threads, verbose,
run_with_tz, run_with_locale, cpython_only)
from test.support import hashlib_helper
import unittest
from unittest import mock
from datetime import datetime, timezone, timedelta
try:
import ssl
except ImportError:
ssl = None
CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert3.pem")
CAFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "pycacert.pem")
class TestImaplib(unittest.TestCase):
def test_Internaldate2tuple(self):
t0 = calendar.timegm((2000, 1, 1, 0, 0, 0, -1, -1, -1))
tt = imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "01-Jan-2000 00:00:00 +0000")')
self.assertEqual(time.mktime(tt), t0)
tt = imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "01-Jan-2000 11:30:00 +1130")')
self.assertEqual(time.mktime(tt), t0)
tt = imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "31-Dec-1999 12:30:00 -1130")')
self.assertEqual(time.mktime(tt), t0)
@run_with_tz('MST+07MDT,M4.1.0,M10.5.0')
def test_Internaldate2tuple_issue10941(self):
self.assertNotEqual(imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "02-Apr-2000 02:30:00 +0000")'),
imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "02-Apr-2000 03:30:00 +0000")'))
def timevalues(self):
return [2000000000, 2000000000.0, time.localtime(2000000000),
(2033, 5, 18, 5, 33, 20, -1, -1, -1),
(2033, 5, 18, 5, 33, 20, -1, -1, 1),
datetime.fromtimestamp(2000000000,
timezone(timedelta(0, 2 * 60 * 60))),
'"18-May-2033 05:33:20 +0200"']
@run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
# DST rules included to work around quirk where the Gnu C library may not
# otherwise restore the previous time zone
@run_with_tz('STD-1DST,M3.2.0,M11.1.0')
def test_Time2Internaldate(self):
expected = '"18-May-2033 05:33:20 +0200"'
for t in self.timevalues():
internal = imaplib.Time2Internaldate(t)
self.assertEqual(internal, expected)
def test_that_Time2Internaldate_returns_a_result(self):
# Without tzset, we can check only that it successfully
# produces a result, not the correctness of the result itself,
# since the result depends on the timezone the machine is in.
for t in self.timevalues():
imaplib.Time2Internaldate(t)
def test_imap4_host_default_value(self):
# Check whether the IMAP4_PORT is truly unavailable.
with socket.socket() as s:
try:
s.connect(('', imaplib.IMAP4_PORT))
self.skipTest(
"Cannot run the test with local IMAP server running.")
except socket.error:
pass
# This is the exception that should be raised.
expected_errnos = socket_helper.get_socket_conn_refused_errs()
with self.assertRaises(OSError) as cm:
imaplib.IMAP4()
self.assertIn(cm.exception.errno, expected_errnos)
if ssl:
class SecureTCPServer(socketserver.TCPServer):
def get_request(self):
newsocket, fromaddr = self.socket.accept()
context = ssl.SSLContext()
context.load_cert_chain(CERTFILE)
connstream = context.wrap_socket(newsocket, server_side=True)
return connstream, fromaddr
IMAP4_SSL = imaplib.IMAP4_SSL
else:
class SecureTCPServer:
pass
IMAP4_SSL = None
class SimpleIMAPHandler(socketserver.StreamRequestHandler):
timeout = support.LOOPBACK_TIMEOUT
continuation = None
capabilities = ''
def setup(self):
super().setup()
self.server.is_selected = False
self.server.logged = None
def _send(self, message):
if verbose:
print("SENT: %r" % message.strip())
self.wfile.write(message)
def _send_line(self, message):
self._send(message + b'\r\n')
def _send_textline(self, message):
self._send_line(message.encode('ASCII'))
def _send_tagged(self, tag, code, message):
self._send_textline(' '.join((tag, code, message)))
def handle(self):
# Send a welcome message.
self._send_textline('* OK IMAP4rev1')
while 1:
# Gather up input until we receive a line terminator or we timeout.
# Accumulate read(1) because it's simpler to handle the differences
# between naked sockets and SSL sockets.
line = b''
while 1:
try:
part = self.rfile.read(1)
if part == b'':
# Naked sockets return empty strings..
return
line += part
except OSError:
# ..but SSLSockets raise exceptions.
return
if line.endswith(b'\r\n'):
break
if verbose:
print('GOT: %r' % line.strip())
if self.continuation:
try:
self.continuation.send(line)
except StopIteration:
self.continuation = None
continue
splitline = line.decode('ASCII').split()
tag = splitline[0]
cmd = splitline[1]
args = splitline[2:]
if hasattr(self, 'cmd_' + cmd):
continuation = getattr(self, 'cmd_' + cmd)(tag, args)
if continuation:
self.continuation = continuation
next(continuation)
else:
self._send_tagged(tag, 'BAD', cmd + ' unknown')
def cmd_CAPABILITY(self, tag, args):
caps = ('IMAP4rev1 ' + self.capabilities
if self.capabilities
else 'IMAP4rev1')
self._send_textline('* CAPABILITY ' + caps)
self._send_tagged(tag, 'OK', 'CAPABILITY completed')
def cmd_LOGOUT(self, tag, args):
self.server.logged = None
self._send_textline('* BYE IMAP4ref1 Server logging out')
self._send_tagged(tag, 'OK', 'LOGOUT completed')
def cmd_LOGIN(self, tag, args):
self.server.logged = args[0]
self._send_tagged(tag, 'OK', 'LOGIN completed')
def cmd_SELECT(self, tag, args):
self.server.is_selected = True
self._send_line(b'* 2 EXISTS')
self._send_tagged(tag, 'OK', '[READ-WRITE] SELECT completed.')
def cmd_UNSELECT(self, tag, args):
if self.server.is_selected:
self.server.is_selected = False
self._send_tagged(tag, 'OK', 'Returned to authenticated state. (Success)')
else:
self._send_tagged(tag, 'BAD', 'No mailbox selected')
class NewIMAPTestsMixin():
client = None
def _setup(self, imap_handler, connect=True):
"""
Sets up imap_handler for tests. imap_handler should inherit from either:
- SimpleIMAPHandler - for testing IMAP commands,
- socketserver.StreamRequestHandler - if raw access to stream is needed.
Returns (client, server).
"""
class TestTCPServer(self.server_class):
def handle_error(self, request, client_address):
"""
End request and raise the error if one occurs.
"""
self.close_request(request)
self.server_close()
raise
self.addCleanup(self._cleanup)
self.server = self.server_class((socket_helper.HOST, 0), imap_handler)
self.thread = threading.Thread(
name=self._testMethodName+'-server',
target=self.server.serve_forever,
# Short poll interval to make the test finish quickly.
# Time between requests is short enough that we won't wake
# up spuriously too many times.
kwargs={'poll_interval': 0.01})
self.thread.daemon = True # In case this function raises.
self.thread.start()
if connect:
self.client = self.imap_class(*self.server.server_address)
return self.client, self.server
def _cleanup(self):
"""
Cleans up the test server. This method should not be called manually,
it is added to the cleanup queue in the _setup method already.
"""
# if logout was called already we'd raise an exception trying to
# shutdown the client once again
if self.client is not None and self.client.state != 'LOGOUT':
self.client.shutdown()
# cleanup the server
self.server.shutdown()
self.server.server_close()
support.join_thread(self.thread)
# Explicitly clear the attribute to prevent dangling thread
self.thread = None
def test_EOF_without_complete_welcome_message(self):
# http://bugs.python.org/issue5949
class EOFHandler(socketserver.StreamRequestHandler):
def handle(self):
self.wfile.write(b'* OK')
_, server = self._setup(EOFHandler, connect=False)
self.assertRaises(imaplib.IMAP4.abort, self.imap_class,
*server.server_address)
def test_line_termination(self):
class BadNewlineHandler(SimpleIMAPHandler):
def cmd_CAPABILITY(self, tag, args):
self._send(b'* CAPABILITY IMAP4rev1 AUTH\n')
self._send_tagged(tag, 'OK', 'CAPABILITY completed')
_, server = self._setup(BadNewlineHandler, connect=False)
self.assertRaises(imaplib.IMAP4.abort, self.imap_class,
*server.server_address)
def test_enable_raises_error_if_not_AUTH(self):
class EnableHandler(SimpleIMAPHandler):
capabilities = 'AUTH ENABLE UTF8=ACCEPT'
client, _ = self._setup(EnableHandler)
self.assertFalse(client.utf8_enabled)
with self.assertRaisesRegex(imaplib.IMAP4.error, 'ENABLE.*NONAUTH'):
client.enable('foo')
self.assertFalse(client.utf8_enabled)
def test_enable_raises_error_if_no_capability(self):
client, _ = self._setup(SimpleIMAPHandler)
with self.assertRaisesRegex(imaplib.IMAP4.error,
'does not support ENABLE'):
client.enable('foo')
def test_enable_UTF8_raises_error_if_not_supported(self):
client, _ = self._setup(SimpleIMAPHandler)
typ, data = client.login('user', 'pass')
self.assertEqual(typ, 'OK')
with self.assertRaisesRegex(imaplib.IMAP4.error,
'does not support ENABLE'):
client.enable('UTF8=ACCEPT')
def test_enable_UTF8_True_append(self):
class UTF8AppendServer(SimpleIMAPHandler):
capabilities = 'ENABLE UTF8=ACCEPT'
def cmd_ENABLE(self, tag, args):
self._send_tagged(tag, 'OK', 'ENABLE successful')
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
def cmd_APPEND(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'okay')
client, server = self._setup(UTF8AppendServer)
self.assertEqual(client._encoding, 'ascii')
code, _ = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
code, _ = client.enable('UTF8=ACCEPT')
self.assertEqual(code, 'OK')
self.assertEqual(client._encoding, 'utf-8')
msg_string = 'Subject: üñí©öðé'
typ, data = client.append(None, None, None, msg_string.encode('utf-8'))
self.assertEqual(typ, 'OK')
self.assertEqual(server.response,
('UTF8 (%s)\r\n' % msg_string).encode('utf-8'))
def test_search_disallows_charset_in_utf8_mode(self):
class UTF8Server(SimpleIMAPHandler):
capabilities = 'AUTH ENABLE UTF8=ACCEPT'
def cmd_ENABLE(self, tag, args):
self._send_tagged(tag, 'OK', 'ENABLE successful')
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
client, _ = self._setup(UTF8Server)
typ, _ = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(typ, 'OK')
typ, _ = client.enable('UTF8=ACCEPT')
self.assertEqual(typ, 'OK')
self.assertTrue(client.utf8_enabled)
with self.assertRaisesRegex(imaplib.IMAP4.error, 'charset.*UTF8'):
client.search('foo', 'bar')
def test_bad_auth_name(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_tagged(tag, 'NO',
'unrecognized authentication type {}'.format(args[0]))
client, _ = self._setup(MyServer)
with self.assertRaisesRegex(imaplib.IMAP4.error,
'unrecognized authentication type METHOD'):
client.authenticate('METHOD', lambda: 1)
def test_invalid_authentication(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.response = yield
self._send_tagged(tag, 'NO', '[AUTHENTICATIONFAILED] invalid')
client, _ = self._setup(MyServer)
with self.assertRaisesRegex(imaplib.IMAP4.error,
r'\[AUTHENTICATIONFAILED\] invalid'):
client.authenticate('MYAUTH', lambda x: b'fake')
def test_valid_authentication_bytes(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
client, server = self._setup(MyServer)
code, _ = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
def test_valid_authentication_plain_text(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
client, server = self._setup(MyServer)
code, _ = client.authenticate('MYAUTH', lambda x: 'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
@hashlib_helper.requires_hashdigest('md5', openssl=True)
def test_login_cram_md5_bytes(self):
class AuthHandler(SimpleIMAPHandler):
capabilities = 'LOGINDISABLED AUTH=CRAM-MD5'
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+ PDE4OTYuNjk3MTcwOTUyQHBvc3RvZmZpY2Uucm'
'VzdG9uLm1jaS5uZXQ=')
r = yield
if (r == b'dGltIGYxY2E2YmU0NjRiOWVmYT'
b'FjY2E2ZmZkNmNmMmQ5ZjMy\r\n'):
self._send_tagged(tag, 'OK', 'CRAM-MD5 successful')
else:
self._send_tagged(tag, 'NO', 'No access')
client, _ = self._setup(AuthHandler)
self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
ret, _ = client.login_cram_md5("tim", b"tanstaaftanstaaf")
self.assertEqual(ret, "OK")
@hashlib_helper.requires_hashdigest('md5', openssl=True)
def test_login_cram_md5_plain_text(self):
class AuthHandler(SimpleIMAPHandler):
capabilities = 'LOGINDISABLED AUTH=CRAM-MD5'
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+ PDE4OTYuNjk3MTcwOTUyQHBvc3RvZmZpY2Uucm'
'VzdG9uLm1jaS5uZXQ=')
r = yield
if (r == b'dGltIGYxY2E2YmU0NjRiOWVmYT'
b'FjY2E2ZmZkNmNmMmQ5ZjMy\r\n'):
self._send_tagged(tag, 'OK', 'CRAM-MD5 successful')
else:
self._send_tagged(tag, 'NO', 'No access')
client, _ = self._setup(AuthHandler)
self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
ret, _ = client.login_cram_md5("tim", "tanstaaftanstaaf")
self.assertEqual(ret, "OK")
def test_aborted_authentication(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.response = yield
if self.response == b'*\r\n':
self._send_tagged(
tag,
'NO',
'[AUTHENTICATIONFAILED] aborted')
else:
self._send_tagged(tag, 'OK', 'MYAUTH successful')
client, _ = self._setup(MyServer)
with self.assertRaisesRegex(imaplib.IMAP4.error,
r'\[AUTHENTICATIONFAILED\] aborted'):
client.authenticate('MYAUTH', lambda x: None)
@mock.patch('imaplib._MAXLINE', 10)
def test_linetoolong(self):
class TooLongHandler(SimpleIMAPHandler):
def handle(self):
# send response line longer than the limit set in the next line
self.wfile.write(b'* OK ' + 11 * b'x' + b'\r\n')
_, server = self._setup(TooLongHandler, connect=False)
with self.assertRaisesRegex(imaplib.IMAP4.error,
'got more than 10 bytes'):
self.imap_class(*server.server_address)
def test_simple_with_statement(self):
_, server = self._setup(SimpleIMAPHandler, connect=False)
with self.imap_class(*server.server_address):
pass
def test_imaplib_timeout_test(self):
_, server = self._setup(SimpleIMAPHandler)
addr = server.server_address[1]
client = self.imap_class("localhost", addr, timeout=None)
self.assertEqual(client.sock.timeout, None)
client.shutdown()
client = self.imap_class("localhost", addr, timeout=support.LOOPBACK_TIMEOUT)
self.assertEqual(client.sock.timeout, support.LOOPBACK_TIMEOUT)
client.shutdown()
with self.assertRaises(ValueError):
client = self.imap_class("localhost", addr, timeout=0)
def test_imaplib_timeout_functionality_test(self):
class TimeoutHandler(SimpleIMAPHandler):
def handle(self):
time.sleep(1)
SimpleIMAPHandler.handle(self)
_, server = self._setup(TimeoutHandler)
addr = server.server_address[1]
with self.assertRaises(socket.timeout):
client = self.imap_class("localhost", addr, timeout=0.001)
def test_with_statement(self):
_, server = self._setup(SimpleIMAPHandler, connect=False)
with self.imap_class(*server.server_address) as imap:
imap.login('user', 'pass')
self.assertEqual(server.logged, 'user')
self.assertIsNone(server.logged)
def test_with_statement_logout(self):
# It is legal to log out explicitly inside the with block
_, server = self._setup(SimpleIMAPHandler, connect=False)
with self.imap_class(*server.server_address) as imap:
imap.login('user', 'pass')
self.assertEqual(server.logged, 'user')
imap.logout()
self.assertIsNone(server.logged)
self.assertIsNone(server.logged)
# command tests
def test_login(self):
client, _ = self._setup(SimpleIMAPHandler)
typ, data = client.login('user', 'pass')
self.assertEqual(typ, 'OK')
self.assertEqual(data[0], b'LOGIN completed')
self.assertEqual(client.state, 'AUTH')
def test_logout(self):
client, _ = self._setup(SimpleIMAPHandler)
typ, data = client.login('user', 'pass')
self.assertEqual(typ, 'OK')
self.assertEqual(data[0], b'LOGIN completed')
typ, data = client.logout()
self.assertEqual(typ, 'BYE', (typ, data))
self.assertEqual(data[0], b'IMAP4ref1 Server logging out', (typ, data))
self.assertEqual(client.state, 'LOGOUT')
def test_lsub(self):
class LsubCmd(SimpleIMAPHandler):
def cmd_LSUB(self, tag, args):
self._send_textline('* LSUB () "." directoryA')
return self._send_tagged(tag, 'OK', 'LSUB completed')
client, _ = self._setup(LsubCmd)
client.login('user', 'pass')
typ, data = client.lsub()
self.assertEqual(typ, 'OK')
self.assertEqual(data[0], b'() "." directoryA')
def test_unselect(self):
client, _ = self._setup(SimpleIMAPHandler)
client.login('user', 'pass')
typ, data = client.select()
self.assertEqual(typ, 'OK')
self.assertEqual(data[0], b'2')
typ, data = client.unselect()
self.assertEqual(typ, 'OK')
self.assertEqual(data[0], b'Returned to authenticated state. (Success)')
self.assertEqual(client.state, 'AUTH')
class NewIMAPTests(NewIMAPTestsMixin, unittest.TestCase):
imap_class = imaplib.IMAP4
server_class = socketserver.TCPServer
@unittest.skipUnless(ssl, "SSL not available")
class NewIMAPSSLTests(NewIMAPTestsMixin, unittest.TestCase):
imap_class = IMAP4_SSL
server_class = SecureTCPServer
def test_ssl_raises(self):
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
self.assertEqual(ssl_context.verify_mode, ssl.CERT_REQUIRED)
self.assertEqual(ssl_context.check_hostname, True)
ssl_context.load_verify_locations(CAFILE)
with self.assertRaisesRegex(ssl.CertificateError,
"IP address mismatch, certificate is not valid for "
"'127.0.0.1'"):
_, server = self._setup(SimpleIMAPHandler)
client = self.imap_class(*server.server_address,
ssl_context=ssl_context)
client.shutdown()
def test_ssl_verified(self):
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
ssl_context.load_verify_locations(CAFILE)
_, server = self._setup(SimpleIMAPHandler)
client = self.imap_class("localhost", server.server_address[1],
ssl_context=ssl_context)
client.shutdown()
# Mock the private method _connect(), so mark the test as specific
# to CPython stdlib
@cpython_only
def test_certfile_arg_warn(self):
with support.check_warnings(('', DeprecationWarning)):
with mock.patch.object(self.imap_class, 'open'):
with mock.patch.object(self.imap_class, '_connect'):
self.imap_class('localhost', 143, certfile=CERTFILE)
class ThreadedNetworkedTests(unittest.TestCase):
server_class = socketserver.TCPServer
imap_class = imaplib.IMAP4
def make_server(self, addr, hdlr):
class MyServer(self.server_class):
def handle_error(self, request, client_address):
self.close_request(request)
self.server_close()
raise
if verbose:
print("creating server")
server = MyServer(addr, hdlr)
self.assertEqual(server.server_address, server.socket.getsockname())
if verbose:
print("server created")
print("ADDR =", addr)
print("CLASS =", self.server_class)
print("HDLR =", server.RequestHandlerClass)
t = threading.Thread(
name='%s serving' % self.server_class,
target=server.serve_forever,
# Short poll interval to make the test finish quickly.
# Time between requests is short enough that we won't wake
# up spuriously too many times.
kwargs={'poll_interval': 0.01})
t.daemon = True # In case this function raises.
t.start()
if verbose:
print("server running")
return server, t
def reap_server(self, server, thread):
if verbose:
print("waiting for server")
server.shutdown()
server.server_close()
thread.join()
if verbose:
print("done")
@contextmanager
def reaped_server(self, hdlr):
server, thread = self.make_server((socket_helper.HOST, 0), hdlr)
try:
yield server
finally:
self.reap_server(server, thread)
@contextmanager
def reaped_pair(self, hdlr):
with self.reaped_server(hdlr) as server:
client = self.imap_class(*server.server_address)
try:
yield server, client
finally:
client.logout()
@reap_threads
def test_connect(self):
with self.reaped_server(SimpleIMAPHandler) as server:
client = self.imap_class(*server.server_address)
client.shutdown()
@reap_threads
def test_bracket_flags(self):
# This violates RFC 3501, which disallows ']' characters in tag names,
# but imaplib has allowed producing such tags forever, other programs
# also produce them (eg: OtherInbox's Organizer app as of 20140716),
# and Gmail, for example, accepts them and produces them. So we
# support them. See issue #21815.
class BracketFlagHandler(SimpleIMAPHandler):
def handle(self):
self.flags = ['Answered', 'Flagged', 'Deleted', 'Seen', 'Draft']
super().handle()
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
def cmd_SELECT(self, tag, args):
flag_msg = ' \\'.join(self.flags)
self._send_line(('* FLAGS (%s)' % flag_msg).encode('ascii'))
self._send_line(b'* 2 EXISTS')
self._send_line(b'* 0 RECENT')
msg = ('* OK [PERMANENTFLAGS %s \\*)] Flags permitted.'
% flag_msg)
self._send_line(msg.encode('ascii'))
self._send_tagged(tag, 'OK', '[READ-WRITE] SELECT completed.')
def cmd_STORE(self, tag, args):
new_flags = args[2].strip('(').strip(')').split()
self.flags.extend(new_flags)
flags_msg = '(FLAGS (%s))' % ' \\'.join(self.flags)
msg = '* %s FETCH %s' % (args[0], flags_msg)
self._send_line(msg.encode('ascii'))
self._send_tagged(tag, 'OK', 'STORE completed.')
with self.reaped_pair(BracketFlagHandler) as (server, client):
code, data = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response, b'ZmFrZQ==\r\n')
client.select('test')
typ, [data] = client.store(b'1', "+FLAGS", "[test]")
self.assertIn(b'[test]', data)
client.select('test')
typ, [data] = client.response('PERMANENTFLAGS')
self.assertIn(b'[test]', data)
@reap_threads
def test_issue5949(self):
class EOFHandler(socketserver.StreamRequestHandler):
def handle(self):
# EOF without sending a complete welcome message.
self.wfile.write(b'* OK')
with self.reaped_server(EOFHandler) as server:
self.assertRaises(imaplib.IMAP4.abort,
self.imap_class, *server.server_address)
@reap_threads
def test_line_termination(self):
class BadNewlineHandler(SimpleIMAPHandler):
def cmd_CAPABILITY(self, tag, args):
self._send(b'* CAPABILITY IMAP4rev1 AUTH\n')
self._send_tagged(tag, 'OK', 'CAPABILITY completed')
with self.reaped_server(BadNewlineHandler) as server:
self.assertRaises(imaplib.IMAP4.abort,
self.imap_class, *server.server_address)
class UTF8Server(SimpleIMAPHandler):
capabilities = 'AUTH ENABLE UTF8=ACCEPT'
def cmd_ENABLE(self, tag, args):
self._send_tagged(tag, 'OK', 'ENABLE successful')
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
@reap_threads
def test_enable_raises_error_if_not_AUTH(self):
with self.reaped_pair(self.UTF8Server) as (server, client):
self.assertFalse(client.utf8_enabled)
self.assertRaises(imaplib.IMAP4.error, client.enable, 'foo')
self.assertFalse(client.utf8_enabled)
# XXX Also need a test that enable after SELECT raises an error.
@reap_threads
def test_enable_raises_error_if_no_capability(self):
class NoEnableServer(self.UTF8Server):
capabilities = 'AUTH'
with self.reaped_pair(NoEnableServer) as (server, client):
self.assertRaises(imaplib.IMAP4.error, client.enable, 'foo')
@reap_threads
def test_enable_UTF8_raises_error_if_not_supported(self):
class NonUTF8Server(SimpleIMAPHandler):
pass
with self.assertRaises(imaplib.IMAP4.error):
with self.reaped_pair(NonUTF8Server) as (server, client):
typ, data = client.login('user', 'pass')
self.assertEqual(typ, 'OK')
client.enable('UTF8=ACCEPT')
pass
@reap_threads
def test_enable_UTF8_True_append(self):
class UTF8AppendServer(self.UTF8Server):
def cmd_APPEND(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'okay')
with self.reaped_pair(UTF8AppendServer) as (server, client):
self.assertEqual(client._encoding, 'ascii')
code, _ = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response,
b'ZmFrZQ==\r\n') # b64 encoded 'fake'
code, _ = client.enable('UTF8=ACCEPT')
self.assertEqual(code, 'OK')
self.assertEqual(client._encoding, 'utf-8')
msg_string = 'Subject: üñí©öðé'
typ, data = client.append(
None, None, None, msg_string.encode('utf-8'))
self.assertEqual(typ, 'OK')
self.assertEqual(
server.response,
('UTF8 (%s)\r\n' % msg_string).encode('utf-8')
)
# XXX also need a test that makes sure that the Literal and Untagged_status
# regexes uses unicode in UTF8 mode instead of the default ASCII.
@reap_threads
def test_search_disallows_charset_in_utf8_mode(self):
with self.reaped_pair(self.UTF8Server) as (server, client):
typ, _ = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(typ, 'OK')
typ, _ = client.enable('UTF8=ACCEPT')
self.assertEqual(typ, 'OK')
self.assertTrue(client.utf8_enabled)
self.assertRaises(imaplib.IMAP4.error, client.search, 'foo', 'bar')
@reap_threads
def test_bad_auth_name(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_tagged(tag, 'NO', 'unrecognized authentication '
'type {}'.format(args[0]))
with self.reaped_pair(MyServer) as (server, client):
with self.assertRaises(imaplib.IMAP4.error):
client.authenticate('METHOD', lambda: 1)
@reap_threads
def test_invalid_authentication(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.response = yield
self._send_tagged(tag, 'NO', '[AUTHENTICATIONFAILED] invalid')
with self.reaped_pair(MyServer) as (server, client):
with self.assertRaises(imaplib.IMAP4.error):
code, data = client.authenticate('MYAUTH', lambda x: b'fake')
@reap_threads
def test_valid_authentication(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.server.response = yield
self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
with self.reaped_pair(MyServer) as (server, client):
code, data = client.authenticate('MYAUTH', lambda x: b'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response,
b'ZmFrZQ==\r\n') # b64 encoded 'fake'
with self.reaped_pair(MyServer) as (server, client):
code, data = client.authenticate('MYAUTH', lambda x: 'fake')
self.assertEqual(code, 'OK')
self.assertEqual(server.response,
b'ZmFrZQ==\r\n') # b64 encoded 'fake'
@reap_threads
@hashlib_helper.requires_hashdigest('md5', openssl=True)
def test_login_cram_md5(self):
class AuthHandler(SimpleIMAPHandler):
capabilities = 'LOGINDISABLED AUTH=CRAM-MD5'
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+ PDE4OTYuNjk3MTcwOTUyQHBvc3RvZmZpY2Uucm'
'VzdG9uLm1jaS5uZXQ=')
r = yield
if (r == b'dGltIGYxY2E2YmU0NjRiOWVmYT'
b'FjY2E2ZmZkNmNmMmQ5ZjMy\r\n'):
self._send_tagged(tag, 'OK', 'CRAM-MD5 successful')
else:
self._send_tagged(tag, 'NO', 'No access')
with self.reaped_pair(AuthHandler) as (server, client):
self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
ret, data = client.login_cram_md5("tim", "tanstaaftanstaaf")
self.assertEqual(ret, "OK")
with self.reaped_pair(AuthHandler) as (server, client):
self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
ret, data = client.login_cram_md5("tim", b"tanstaaftanstaaf")
self.assertEqual(ret, "OK")
@reap_threads
def test_aborted_authentication(self):
class MyServer(SimpleIMAPHandler):
def cmd_AUTHENTICATE(self, tag, args):
self._send_textline('+')
self.response = yield
if self.response == b'*\r\n':
self._send_tagged(tag, 'NO', '[AUTHENTICATIONFAILED] aborted')
else:
self._send_tagged(tag, 'OK', 'MYAUTH successful')
with self.reaped_pair(MyServer) as (server, client):
with self.assertRaises(imaplib.IMAP4.error):
code, data = client.authenticate('MYAUTH', lambda x: None)
def test_linetoolong(self):
class TooLongHandler(SimpleIMAPHandler):
def handle(self):
# Send a very long response line
self.wfile.write(b'* OK ' + imaplib._MAXLINE * b'x' + b'\r\n')
with self.reaped_server(TooLongHandler) as server:
self.assertRaises(imaplib.IMAP4.error,
self.imap_class, *server.server_address)
@reap_threads
def test_truncated_large_literal(self):
size = 0
class BadHandler(SimpleIMAPHandler):
def handle(self):
self._send_textline('* OK {%d}' % size)
self._send_textline('IMAP4rev1')
for exponent in range(15, 64):
size = 1 << exponent
with self.subTest(f"size=2e{size}"):
with self.reaped_server(BadHandler) as server:
with self.assertRaises(imaplib.IMAP4.abort):
self.imap_class(*server.server_address)
@reap_threads
def test_simple_with_statement(self):
# simplest call
with self.reaped_server(SimpleIMAPHandler) as server:
with self.imap_class(*server.server_address):
pass
@reap_threads
def test_with_statement(self):
with self.reaped_server(SimpleIMAPHandler) as server:
with self.imap_class(*server.server_address) as imap:
imap.login('user', 'pass')
self.assertEqual(server.logged, 'user')
self.assertIsNone(server.logged)
@reap_threads
def test_with_statement_logout(self):
# what happens if already logout in the block?
with self.reaped_server(SimpleIMAPHandler) as server:
with self.imap_class(*server.server_address) as imap:
imap.login('user', 'pass')
self.assertEqual(server.logged, 'user')
imap.logout()
self.assertIsNone(server.logged)
self.assertIsNone(server.logged)
@unittest.skipUnless(ssl, "SSL not available")
class ThreadedNetworkedTestsSSL(ThreadedNetworkedTests):
server_class = SecureTCPServer
imap_class = IMAP4_SSL
@reap_threads
def test_ssl_verified(self):
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
ssl_context.load_verify_locations(CAFILE)
with self.assertRaisesRegex(
ssl.CertificateError,
"IP address mismatch, certificate is not valid for "
"'127.0.0.1'"):
with self.reaped_server(SimpleIMAPHandler) as server:
client = self.imap_class(*server.server_address,
ssl_context=ssl_context)
client.shutdown()
with self.reaped_server(SimpleIMAPHandler) as server:
client = self.imap_class("localhost", server.server_address[1],
ssl_context=ssl_context)
client.shutdown()
@unittest.skipUnless(
support.is_resource_enabled('network'), 'network resource disabled')
@unittest.skip('cyrus.andrew.cmu.edu blocks connections')
class RemoteIMAPTest(unittest.TestCase):
host = 'cyrus.andrew.cmu.edu'
port = 143
username = 'anonymous'
password = 'pass'
imap_class = imaplib.IMAP4
def setUp(self):
with socket_helper.transient_internet(self.host):
self.server = self.imap_class(self.host, self.port)
def tearDown(self):
if self.server is not None:
with socket_helper.transient_internet(self.host):
self.server.logout()
def test_logincapa(self):
with socket_helper.transient_internet(self.host):
for cap in self.server.capabilities:
self.assertIsInstance(cap, str)
self.assertIn('LOGINDISABLED', self.server.capabilities)
self.assertIn('AUTH=ANONYMOUS', self.server.capabilities)
rs = self.server.login(self.username, self.password)
self.assertEqual(rs[0], 'OK')
def test_logout(self):
with socket_helper.transient_internet(self.host):
rs = self.server.logout()
self.server = None
self.assertEqual(rs[0], 'BYE', rs)
@unittest.skipUnless(ssl, "SSL not available")
@unittest.skipUnless(
support.is_resource_enabled('network'), 'network resource disabled')
@unittest.skip('cyrus.andrew.cmu.edu blocks connections')
class RemoteIMAP_STARTTLSTest(RemoteIMAPTest):
def setUp(self):
super().setUp()
with socket_helper.transient_internet(self.host):
rs = self.server.starttls()
self.assertEqual(rs[0], 'OK')
def test_logincapa(self):
for cap in self.server.capabilities:
self.assertIsInstance(cap, str)
self.assertNotIn('LOGINDISABLED', self.server.capabilities)
@unittest.skipUnless(ssl, "SSL not available")
@unittest.skip('cyrus.andrew.cmu.edu blocks connections')
class RemoteIMAP_SSLTest(RemoteIMAPTest):
port = 993
imap_class = IMAP4_SSL
def setUp(self):
pass
def tearDown(self):
pass
def create_ssl_context(self):
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
ssl_context.load_cert_chain(CERTFILE)
return ssl_context
def check_logincapa(self, server):
try:
for cap in server.capabilities:
self.assertIsInstance(cap, str)
self.assertNotIn('LOGINDISABLED', server.capabilities)
self.assertIn('AUTH=PLAIN', server.capabilities)
rs = server.login(self.username, self.password)
self.assertEqual(rs[0], 'OK')
finally:
server.logout()
def test_logincapa(self):
with socket_helper.transient_internet(self.host):
_server = self.imap_class(self.host, self.port)
self.check_logincapa(_server)
def test_logout(self):
with socket_helper.transient_internet(self.host):
_server = self.imap_class(self.host, self.port)
rs = _server.logout()
self.assertEqual(rs[0], 'BYE', rs)
def test_ssl_context_certfile_exclusive(self):
with socket_helper.transient_internet(self.host):
self.assertRaises(
ValueError, self.imap_class, self.host, self.port,
certfile=CERTFILE, ssl_context=self.create_ssl_context())
def test_ssl_context_keyfile_exclusive(self):
with socket_helper.transient_internet(self.host):
self.assertRaises(
ValueError, self.imap_class, self.host, self.port,
keyfile=CERTFILE, ssl_context=self.create_ssl_context())
if __name__ == "__main__":
unittest.main()