Merge: #25591: improve imap tests.
This commit is contained in:
R David Murray
commit
a7613aa06c
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@ -419,7 +419,7 @@ class IMAP4:
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self.literal = _Authenticator(authobject).process
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typ, dat = self._simple_command('AUTHENTICATE', mech)
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if typ != 'OK':
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raise self.error(dat[-1])
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raise self.error(dat[-1].decode('utf-8', 'replace'))
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self.state = 'AUTH'
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return typ, dat
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@ -10,10 +10,12 @@ 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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import inspect
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from test.support import (reap_threads, verbose, transient_internet,
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run_with_tz, run_with_locale)
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import unittest
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from unittest import mock
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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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@ -174,6 +176,334 @@ class SimpleIMAPHandler(socketserver.StreamRequestHandler):
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self._send_tagged(tag, 'OK', 'LOGIN completed')
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class NewIMAPTestsMixin():
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client = None
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def _setup(self, imap_handler, connect=True):
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"""
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Sets up imap_handler for tests. imap_handler should inherit from either:
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- SimpleIMAPHandler - for testing IMAP commands,
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- socketserver.StreamRequestHandler - if raw access to stream is needed.
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Returns (client, server).
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"""
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class TestTCPServer(self.server_class):
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def handle_error(self, request, client_address):
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"""
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End request and raise the error if one occurs.
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"""
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self.close_request(request)
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self.server_close()
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raise
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self.addCleanup(self._cleanup)
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self.server = self.server_class((support.HOST, 0), imap_handler)
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self.thread = threading.Thread(
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name=self._testMethodName+'-server',
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target=self.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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self.thread.daemon = True # In case this function raises.
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self.thread.start()
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if connect:
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self.client = self.imap_class(*self.server.server_address)
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return self.client, self.server
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def _cleanup(self):
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"""
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Cleans up the test server. This method should not be called manually,
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it is added to the cleanup queue in the _setup method already.
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"""
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# if logout was called already we'd raise an exception trying to
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# shutdown the client once again
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if self.client is not None and self.client.state != 'LOGOUT':
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self.client.shutdown()
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# cleanup the server
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self.server.shutdown()
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self.server.server_close()
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self.thread.join(3.0)
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def test_EOF_without_complete_welcome_message(self):
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# http://bugs.python.org/issue5949
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class EOFHandler(socketserver.StreamRequestHandler):
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def handle(self):
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self.wfile.write(b'* OK')
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_, server = self._setup(EOFHandler, connect=False)
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self.assertRaises(imaplib.IMAP4.abort, self.imap_class,
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*server.server_address)
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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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_, server = self._setup(BadNewlineHandler, connect=False)
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self.assertRaises(imaplib.IMAP4.abort, self.imap_class,
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*server.server_address)
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def test_enable_raises_error_if_not_AUTH(self):
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class EnableHandler(SimpleIMAPHandler):
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capabilities = 'AUTH ENABLE UTF8=ACCEPT'
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client, _ = self._setup(EnableHandler)
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self.assertFalse(client.utf8_enabled)
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with self.assertRaisesRegex(imaplib.IMAP4.error, 'ENABLE.*NONAUTH'):
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client.enable('foo')
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self.assertFalse(client.utf8_enabled)
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def test_enable_raises_error_if_no_capability(self):
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client, _ = self._setup(SimpleIMAPHandler)
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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'does not support ENABLE'):
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client.enable('foo')
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def test_enable_UTF8_raises_error_if_not_supported(self):
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client, _ = self._setup(SimpleIMAPHandler)
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typ, data = client.login('user', 'pass')
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self.assertEqual(typ, 'OK')
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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'does not support ENABLE'):
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client.enable('UTF8=ACCEPT')
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def test_enable_UTF8_True_append(self):
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class UTF8AppendServer(SimpleIMAPHandler):
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capabilities = 'ENABLE UTF8=ACCEPT'
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def cmd_ENABLE(self, tag, args):
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self._send_tagged(tag, 'OK', 'ENABLE successful')
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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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def cmd_APPEND(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', 'okay')
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client, server = self._setup(UTF8AppendServer)
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self.assertEqual(client._encoding, 'ascii')
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code, _ = client.authenticate('MYAUTH', lambda x: b'fake')
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self.assertEqual(code, 'OK')
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self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
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code, _ = client.enable('UTF8=ACCEPT')
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self.assertEqual(code, 'OK')
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self.assertEqual(client._encoding, 'utf-8')
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msg_string = 'Subject: üñí©öðé'
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typ, data = client.append(None, None, None, msg_string.encode('utf-8'))
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self.assertEqual(typ, 'OK')
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self.assertEqual(server.response,
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('UTF8 (%s)\r\n' % msg_string).encode('utf-8'))
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def test_search_disallows_charset_in_utf8_mode(self):
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class UTF8Server(SimpleIMAPHandler):
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capabilities = 'AUTH ENABLE UTF8=ACCEPT'
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def cmd_ENABLE(self, tag, args):
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self._send_tagged(tag, 'OK', 'ENABLE successful')
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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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client, _ = self._setup(UTF8Server)
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typ, _ = client.authenticate('MYAUTH', lambda x: b'fake')
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self.assertEqual(typ, 'OK')
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typ, _ = client.enable('UTF8=ACCEPT')
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self.assertEqual(typ, 'OK')
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self.assertTrue(client.utf8_enabled)
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with self.assertRaisesRegex(imaplib.IMAP4.error, 'charset.*UTF8'):
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client.search('foo', 'bar')
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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',
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'unrecognized authentication type {}'.format(args[0]))
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client, _ = self._setup(MyServer)
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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'unrecognized authentication type METHOD'):
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client.authenticate('METHOD', lambda: 1)
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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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client, _ = self._setup(MyServer)
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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r'\[AUTHENTICATIONFAILED\] invalid'):
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client.authenticate('MYAUTH', lambda x: b'fake')
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def test_valid_authentication_bytes(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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client, server = self._setup(MyServer)
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code, _ = client.authenticate('MYAUTH', lambda x: b'fake')
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self.assertEqual(code, 'OK')
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self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
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def test_valid_authentication_plain_text(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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client, server = self._setup(MyServer)
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code, _ = client.authenticate('MYAUTH', lambda x: 'fake')
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self.assertEqual(code, 'OK')
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self.assertEqual(server.response, b'ZmFrZQ==\r\n') # b64 encoded 'fake'
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def test_login_cram_md5_bytes(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'dGltIGYxY2E2YmU0NjRiOWVmYT'
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b'FjY2E2ZmZkNmNmMmQ5ZjMy\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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client, _ = self._setup(AuthHandler)
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self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
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ret, _ = client.login_cram_md5("tim", b"tanstaaftanstaaf")
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self.assertEqual(ret, "OK")
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def test_login_cram_md5_plain_text(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'dGltIGYxY2E2YmU0NjRiOWVmYT'
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b'FjY2E2ZmZkNmNmMmQ5ZjMy\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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client, _ = self._setup(AuthHandler)
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self.assertTrue('AUTH=CRAM-MD5' in client.capabilities)
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ret, _ = client.login_cram_md5("tim", "tanstaaftanstaaf")
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self.assertEqual(ret, "OK")
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def test_aborted_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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if self.response == b'*\r\n':
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self._send_tagged(
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tag,
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'NO',
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'[AUTHENTICATIONFAILED] aborted')
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else:
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self._send_tagged(tag, 'OK', 'MYAUTH successful')
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client, _ = self._setup(MyServer)
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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r'\[AUTHENTICATIONFAILED\] aborted'):
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client.authenticate('MYAUTH', lambda x: None)
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@mock.patch('imaplib._MAXLINE', 10)
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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 response line longer than the limit set in the next line
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self.wfile.write(b'* OK ' + 11 * b'x' + b'\r\n')
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_, server = self._setup(TooLongHandler, connect=False)
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with self.assertRaisesRegex(imaplib.IMAP4.error,
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'got more than 10 bytes'):
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self.imap_class(*server.server_address)
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def test_simple_with_statement(self):
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_, server = self._setup(SimpleIMAPHandler, connect=False)
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with self.imap_class(*server.server_address):
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pass
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def test_with_statement(self):
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_, server = self._setup(SimpleIMAPHandler, connect=False)
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with self.imap_class(*server.server_address) as imap:
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imap.login('user', 'pass')
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self.assertEqual(server.logged, 'user')
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self.assertIsNone(server.logged)
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def test_with_statement_logout(self):
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# It is legal to log out explicitly inside the with block
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_, server = self._setup(SimpleIMAPHandler, connect=False)
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with self.imap_class(*server.server_address) as imap:
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imap.login('user', 'pass')
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self.assertEqual(server.logged, 'user')
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imap.logout()
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self.assertIsNone(server.logged)
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self.assertIsNone(server.logged)
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# command tests
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def test_login(self):
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client, _ = self._setup(SimpleIMAPHandler)
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typ, data = client.login('user', 'pass')
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self.assertEqual(typ, 'OK')
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self.assertEqual(data[0], b'LOGIN completed')
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self.assertEqual(client.state, 'AUTH')
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def test_logout(self):
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client, _ = self._setup(SimpleIMAPHandler)
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typ, data = client.login('user', 'pass')
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self.assertEqual(typ, 'OK')
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self.assertEqual(data[0], b'LOGIN completed')
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typ, data = client.logout()
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self.assertEqual(typ, 'BYE')
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self.assertEqual(data[0], b'IMAP4ref1 Server logging out')
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self.assertEqual(client.state, 'LOGOUT')
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def test_lsub(self):
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class LsubCmd(SimpleIMAPHandler):
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def cmd_LSUB(self, tag, args):
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self._send_textline('* LSUB () "." directoryA')
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return self._send_tagged(tag, 'OK', 'LSUB completed')
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client, _ = self._setup(LsubCmd)
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client.login('user', 'pass')
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typ, data = client.lsub()
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self.assertEqual(typ, 'OK')
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self.assertEqual(data[0], b'() "." directoryA')
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class NewIMAPTests(NewIMAPTestsMixin, unittest.TestCase):
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imap_class = imaplib.IMAP4
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server_class = socketserver.TCPServer
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@unittest.skipUnless(ssl, "SSL not available")
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class NewIMAPSSLTests(NewIMAPTestsMixin, unittest.TestCase):
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imap_class = imaplib.IMAP4_SSL
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server_class = SecureTCPServer
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def test_ssl_raises(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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_, server = self._setup(SimpleIMAPHandler)
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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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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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_, server = self._setup(SimpleIMAPHandler)
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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 ThreadedNetworkedTests(unittest.TestCase):
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server_class = socketserver.TCPServer
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imap_class = imaplib.IMAP4
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