mirror of https://github.com/python/cpython
501 lines
17 KiB
Python
501 lines
17 KiB
Python
from test import support
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# If we end up with a significant number of tests that don't require
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# threading, this test module should be split. Right now we skip
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# them all if we don't have threading.
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threading = support.import_module('threading')
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from contextlib import contextmanager
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import imaplib
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import os.path
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import socketserver
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import time
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import calendar
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from test.support import reap_threads, verbose, transient_internet, run_with_tz, run_with_locale
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import unittest
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from datetime import datetime, timezone, timedelta
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try:
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import ssl
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except ImportError:
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ssl = None
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CERTFILE = None
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CAFILE = None
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class TestImaplib(unittest.TestCase):
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def test_Internaldate2tuple(self):
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t0 = calendar.timegm((2000, 1, 1, 0, 0, 0, -1, -1, -1))
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tt = imaplib.Internaldate2tuple(
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b'25 (INTERNALDATE "01-Jan-2000 00:00:00 +0000")')
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self.assertEqual(time.mktime(tt), t0)
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tt = imaplib.Internaldate2tuple(
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b'25 (INTERNALDATE "01-Jan-2000 11:30:00 +1130")')
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self.assertEqual(time.mktime(tt), t0)
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tt = imaplib.Internaldate2tuple(
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b'25 (INTERNALDATE "31-Dec-1999 12:30:00 -1130")')
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self.assertEqual(time.mktime(tt), t0)
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@run_with_tz('MST+07MDT,M4.1.0,M10.5.0')
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def test_Internaldate2tuple_issue10941(self):
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self.assertNotEqual(imaplib.Internaldate2tuple(
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b'25 (INTERNALDATE "02-Apr-2000 02:30:00 +0000")'),
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imaplib.Internaldate2tuple(
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b'25 (INTERNALDATE "02-Apr-2000 03:30:00 +0000")'))
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def timevalues(self):
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return [2000000000, 2000000000.0, time.localtime(2000000000),
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(2033, 5, 18, 5, 33, 20, -1, -1, -1),
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(2033, 5, 18, 5, 33, 20, -1, -1, 1),
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datetime.fromtimestamp(2000000000,
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timezone(timedelta(0, 2*60*60))),
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'"18-May-2033 05:33:20 +0200"']
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@run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
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@run_with_tz('STD-1DST')
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def test_Time2Internaldate(self):
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expected = '"18-May-2033 05:33:20 +0200"'
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for t in self.timevalues():
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internal = imaplib.Time2Internaldate(t)
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self.assertEqual(internal, expected)
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def test_that_Time2Internaldate_returns_a_result(self):
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# Without tzset, we can check only that it successfully
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# produces a result, not the correctness of the result itself,
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# since the result depends on the timezone the machine is in.
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for t in self.timevalues():
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imaplib.Time2Internaldate(t)
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if ssl:
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class SecureTCPServer(socketserver.TCPServer):
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def get_request(self):
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newsocket, fromaddr = self.socket.accept()
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connstream = ssl.wrap_socket(newsocket,
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server_side=True,
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certfile=CERTFILE)
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return connstream, fromaddr
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IMAP4_SSL = imaplib.IMAP4_SSL
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else:
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class SecureTCPServer:
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pass
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IMAP4_SSL = None
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class SimpleIMAPHandler(socketserver.StreamRequestHandler):
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timeout = 1
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continuation = None
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capabilities = ''
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def _send(self, message):
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if verbose: print("SENT: %r" % message.strip())
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self.wfile.write(message)
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def _send_line(self, message):
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self._send(message + b'\r\n')
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def _send_textline(self, message):
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self._send_line(message.encode('ASCII'))
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def _send_tagged(self, tag, code, message):
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self._send_textline(' '.join((tag, code, message)))
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def handle(self):
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# Send a welcome message.
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self._send_textline('* OK IMAP4rev1')
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while 1:
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# Gather up input until we receive a line terminator or we timeout.
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# Accumulate read(1) because it's simpler to handle the differences
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# between naked sockets and SSL sockets.
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line = b''
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while 1:
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try:
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part = self.rfile.read(1)
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if part == b'':
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# Naked sockets return empty strings..
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return
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line += part
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except OSError:
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# ..but SSLSockets raise exceptions.
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return
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if line.endswith(b'\r\n'):
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break
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if verbose: print('GOT: %r' % line.strip())
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if self.continuation:
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try:
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self.continuation.send(line)
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except StopIteration:
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self.continuation = None
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continue
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splitline = line.decode('ASCII').split()
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tag = splitline[0]
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cmd = splitline[1]
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args = splitline[2:]
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if hasattr(self, 'cmd_'+cmd):
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continuation = getattr(self, 'cmd_'+cmd)(tag, args)
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if continuation:
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self.continuation = continuation
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next(continuation)
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else:
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self._send_tagged(tag, 'BAD', cmd + ' unknown')
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def cmd_CAPABILITY(self, tag, args):
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caps = 'IMAP4rev1 ' + self.capabilities if self.capabilities else 'IMAP4rev1'
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self._send_textline('* CAPABILITY ' + caps)
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self._send_tagged(tag, 'OK', 'CAPABILITY completed')
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def cmd_LOGOUT(self, tag, args):
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self._send_textline('* BYE IMAP4ref1 Server logging out')
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self._send_tagged(tag, 'OK', 'LOGOUT completed')
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class BaseThreadedNetworkedTests(unittest.TestCase):
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def make_server(self, addr, hdlr):
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class MyServer(self.server_class):
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def handle_error(self, request, client_address):
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self.close_request(request)
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self.server_close()
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raise
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if verbose: print("creating server")
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server = MyServer(addr, hdlr)
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self.assertEqual(server.server_address, server.socket.getsockname())
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if verbose:
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print("server created")
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print("ADDR =", addr)
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print("CLASS =", self.server_class)
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print("HDLR =", server.RequestHandlerClass)
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t = threading.Thread(
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name='%s serving' % self.server_class,
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target=server.serve_forever,
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# Short poll interval to make the test finish quickly.
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# Time between requests is short enough that we won't wake
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# up spuriously too many times.
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kwargs={'poll_interval':0.01})
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t.daemon = True # In case this function raises.
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t.start()
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if verbose: print("server running")
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return server, t
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def reap_server(self, server, thread):
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if verbose: print("waiting for server")
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server.shutdown()
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server.server_close()
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thread.join()
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if verbose: print("done")
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@contextmanager
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def reaped_server(self, hdlr):
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server, thread = self.make_server((support.HOST, 0), hdlr)
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try:
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yield server
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finally:
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self.reap_server(server, thread)
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@contextmanager
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def reaped_pair(self, hdlr):
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with self.reaped_server(hdlr) as server:
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client = self.imap_class(*server.server_address)
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try:
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yield server, client
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finally:
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client.logout()
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@reap_threads
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def test_connect(self):
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with self.reaped_server(SimpleIMAPHandler) as server:
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client = self.imap_class(*server.server_address)
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client.shutdown()
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@reap_threads
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def test_issue5949(self):
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class EOFHandler(socketserver.StreamRequestHandler):
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def handle(self):
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# EOF without sending a complete welcome message.
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self.wfile.write(b'* OK')
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with self.reaped_server(EOFHandler) as server:
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self.assertRaises(imaplib.IMAP4.abort,
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self.imap_class, *server.server_address)
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@reap_threads
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def test_line_termination(self):
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class BadNewlineHandler(SimpleIMAPHandler):
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def cmd_CAPABILITY(self, tag, args):
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self._send(b'* CAPABILITY IMAP4rev1 AUTH\n')
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self._send_tagged(tag, 'OK', 'CAPABILITY completed')
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with self.reaped_server(BadNewlineHandler) as server:
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self.assertRaises(imaplib.IMAP4.abort,
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self.imap_class, *server.server_address)
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@reap_threads
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def test_bad_auth_name(self):
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class MyServer(SimpleIMAPHandler):
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def cmd_AUTHENTICATE(self, tag, args):
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self._send_tagged(tag, 'NO', 'unrecognized authentication '
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'type {}'.format(args[0]))
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with self.reaped_pair(MyServer) as (server, client):
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with self.assertRaises(imaplib.IMAP4.error):
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client.authenticate('METHOD', lambda: 1)
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@reap_threads
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def test_invalid_authentication(self):
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class MyServer(SimpleIMAPHandler):
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def cmd_AUTHENTICATE(self, tag, args):
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self._send_textline('+')
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self.response = yield
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self._send_tagged(tag, 'NO', '[AUTHENTICATIONFAILED] invalid')
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with self.reaped_pair(MyServer) as (server, client):
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with self.assertRaises(imaplib.IMAP4.error):
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code, data = client.authenticate('MYAUTH', lambda x: b'fake')
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@reap_threads
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def test_valid_authentication(self):
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class MyServer(SimpleIMAPHandler):
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def cmd_AUTHENTICATE(self, tag, args):
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self._send_textline('+')
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self.server.response = yield
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self._send_tagged(tag, 'OK', 'FAKEAUTH successful')
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with self.reaped_pair(MyServer) as (server, client):
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code, data = client.authenticate('MYAUTH', lambda x: b'fake')
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self.assertEqual(code, 'OK')
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self.assertEqual(server.response,
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b'ZmFrZQ==\r\n') #b64 encoded 'fake'
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with self.reaped_pair(MyServer) as (server, client):
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code, data = client.authenticate('MYAUTH', lambda x: 'fake')
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self.assertEqual(code, 'OK')
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self.assertEqual(server.response,
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b'ZmFrZQ==\r\n') #b64 encoded 'fake'
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@reap_threads
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def test_login_cram_md5(self):
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class AuthHandler(SimpleIMAPHandler):
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capabilities = 'LOGINDISABLED AUTH=CRAM-MD5'
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def cmd_AUTHENTICATE(self, tag, args):
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self._send_textline('+ PDE4OTYuNjk3MTcwOTUyQHBvc3RvZmZpY2Uucm'
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'VzdG9uLm1jaS5uZXQ=')
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r = yield
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if r == b'dGltIGYxY2E2YmU0NjRiOWVmYTFjY2E2ZmZkNmNmMmQ5ZjMy\r\n':
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self._send_tagged(tag, 'OK', 'CRAM-MD5 successful')
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else:
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self._send_tagged(tag, 'NO', 'No access')
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with self.reaped_pair(AuthHandler) as (server, client):
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self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
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ret, data = client.login_cram_md5("tim", "tanstaaftanstaaf")
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self.assertEqual(ret, "OK")
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with self.reaped_pair(AuthHandler) as (server, client):
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self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
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ret, data = client.login_cram_md5("tim", b"tanstaaftanstaaf")
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self.assertEqual(ret, "OK")
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def test_linetoolong(self):
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class TooLongHandler(SimpleIMAPHandler):
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def handle(self):
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# Send a very long response line
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self.wfile.write(b'* OK ' + imaplib._MAXLINE*b'x' + b'\r\n')
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with self.reaped_server(TooLongHandler) as server:
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self.assertRaises(imaplib.IMAP4.error,
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self.imap_class, *server.server_address)
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class ThreadedNetworkedTests(BaseThreadedNetworkedTests):
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server_class = socketserver.TCPServer
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imap_class = imaplib.IMAP4
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@unittest.skipUnless(ssl, "SSL not available")
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class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests):
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server_class = SecureTCPServer
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imap_class = IMAP4_SSL
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@reap_threads
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def test_ssl_verified(self):
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ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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ssl_context.verify_mode = ssl.CERT_REQUIRED
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ssl_context.check_hostname = True
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ssl_context.load_verify_locations(CAFILE)
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with self.assertRaisesRegex(ssl.CertificateError,
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"hostname '127.0.0.1' doesn't match 'localhost'"):
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with self.reaped_server(SimpleIMAPHandler) as server:
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client = self.imap_class(*server.server_address,
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ssl_context=ssl_context)
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client.shutdown()
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with self.reaped_server(SimpleIMAPHandler) as server:
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client = self.imap_class("localhost", server.server_address[1],
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ssl_context=ssl_context)
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client.shutdown()
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class RemoteIMAPTest(unittest.TestCase):
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host = 'cyrus.andrew.cmu.edu'
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port = 143
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username = 'anonymous'
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password = 'pass'
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imap_class = imaplib.IMAP4
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def setUp(self):
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with transient_internet(self.host):
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self.server = self.imap_class(self.host, self.port)
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def tearDown(self):
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if self.server is not None:
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with transient_internet(self.host):
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self.server.logout()
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def test_logincapa(self):
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with transient_internet(self.host):
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for cap in self.server.capabilities:
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self.assertIsInstance(cap, str)
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self.assertIn('LOGINDISABLED', self.server.capabilities)
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self.assertIn('AUTH=ANONYMOUS', self.server.capabilities)
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rs = self.server.login(self.username, self.password)
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self.assertEqual(rs[0], 'OK')
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def test_logout(self):
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with transient_internet(self.host):
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rs = self.server.logout()
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self.server = None
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self.assertEqual(rs[0], 'BYE')
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@unittest.skipUnless(ssl, "SSL not available")
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class RemoteIMAP_STARTTLSTest(RemoteIMAPTest):
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def setUp(self):
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super().setUp()
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with transient_internet(self.host):
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rs = self.server.starttls()
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self.assertEqual(rs[0], 'OK')
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def test_logincapa(self):
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for cap in self.server.capabilities:
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self.assertIsInstance(cap, str)
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self.assertNotIn('LOGINDISABLED', self.server.capabilities)
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@unittest.skipUnless(ssl, "SSL not available")
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class RemoteIMAP_SSLTest(RemoteIMAPTest):
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port = 993
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imap_class = IMAP4_SSL
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def create_ssl_context(self):
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ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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ssl_context.load_cert_chain(CERTFILE)
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return ssl_context
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def check_logincapa(self, server):
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try:
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for cap in server.capabilities:
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self.assertIsInstance(cap, str)
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self.assertNotIn('LOGINDISABLED', server.capabilities)
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self.assertIn('AUTH=PLAIN', server.capabilities)
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rs = server.login(self.username, self.password)
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self.assertEqual(rs[0], 'OK')
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finally:
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server.logout()
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def test_logincapa(self):
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with transient_internet(self.host):
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_server = self.imap_class(self.host, self.port)
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self.check_logincapa(_server)
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def test_logincapa_with_client_certfile(self):
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with transient_internet(self.host):
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_server = self.imap_class(self.host, self.port, certfile=CERTFILE)
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self.check_logincapa(_server)
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def test_logincapa_with_client_ssl_context(self):
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with transient_internet(self.host):
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_server = self.imap_class(self.host, self.port, ssl_context=self.create_ssl_context())
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self.check_logincapa(_server)
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def test_logout(self):
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with transient_internet(self.host):
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_server = self.imap_class(self.host, self.port)
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rs = _server.logout()
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self.assertEqual(rs[0], 'BYE')
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def test_ssl_context_certfile_exclusive(self):
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with transient_internet(self.host):
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self.assertRaises(ValueError, self.imap_class, self.host, self.port,
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certfile=CERTFILE, ssl_context=self.create_ssl_context())
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def test_ssl_context_keyfile_exclusive(self):
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with transient_internet(self.host):
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self.assertRaises(ValueError, self.imap_class, self.host, self.port,
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keyfile=CERTFILE, ssl_context=self.create_ssl_context())
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def load_tests(*args):
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tests = [TestImaplib]
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if support.is_resource_enabled('network'):
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if ssl:
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global CERTFILE, CAFILE
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CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir,
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"keycert3.pem")
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if not os.path.exists(CERTFILE):
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raise support.TestFailed("Can't read certificate files!")
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CAFILE = os.path.join(os.path.dirname(__file__) or os.curdir,
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"pycacert.pem")
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if not os.path.exists(CAFILE):
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raise support.TestFailed("Can't read CA file!")
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tests.extend([
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ThreadedNetworkedTests, ThreadedNetworkedTestsSSL,
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RemoteIMAPTest, RemoteIMAP_SSLTest, RemoteIMAP_STARTTLSTest,
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])
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return unittest.TestSuite([unittest.makeSuite(test) for test in tests])
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if __name__ == "__main__":
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unittest.main()
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