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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ"""Test script for poplib module.""" # Modified by Giampaolo Rodola' to give poplib.POP3 and poplib.POP3_SSL # a real test suite import poplib import asyncore import asynchat import socket import os import errno import threading import unittest from unittest import TestCase, skipUnless from test import support as test_support from test.support import hashlib_helper from test.support import socket_helper HOST = socket_helper.HOST PORT = 0 SUPPORTS_SSL = False if hasattr(poplib, 'POP3_SSL'): import ssl SUPPORTS_SSL = True 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") requires_ssl = skipUnless(SUPPORTS_SSL, 'SSL not supported') # the dummy data returned by server when LIST and RETR commands are issued LIST_RESP = b'1 1\r\n2 2\r\n3 3\r\n4 4\r\n5 5\r\n.\r\n' RETR_RESP = b"""From: postmaster@python.org\ \r\nContent-Type: text/plain\r\n\ MIME-Version: 1.0\r\n\ Subject: Dummy\r\n\ \r\n\ line1\r\n\ line2\r\n\ line3\r\n\ .\r\n""" class DummyPOP3Handler(asynchat.async_chat): CAPAS = {'UIDL': [], 'IMPLEMENTATION': ['python-testlib-pop-server']} enable_UTF8 = False def __init__(self, conn): asynchat.async_chat.__init__(self, conn) self.set_terminator(b"\r\n") self.in_buffer = [] self.push('+OK dummy pop3 server ready. ') self.tls_active = False self.tls_starting = False def collect_incoming_data(self, data): self.in_buffer.append(data) def found_terminator(self): line = b''.join(self.in_buffer) line = str(line, 'ISO-8859-1') self.in_buffer = [] cmd = line.split(' ')[0].lower() space = line.find(' ') if space != -1: arg = line[space + 1:] else: arg = "" if hasattr(self, 'cmd_' + cmd): method = getattr(self, 'cmd_' + cmd) method(arg) else: self.push('-ERR unrecognized POP3 command "%s".' %cmd) def handle_error(self): raise def push(self, data): asynchat.async_chat.push(self, data.encode("ISO-8859-1") + b'\r\n') def cmd_echo(self, arg): # sends back the received string (used by the test suite) self.push(arg) def cmd_user(self, arg): if arg != "guido": self.push("-ERR no such user") self.push('+OK password required') def cmd_pass(self, arg): if arg != "python": self.push("-ERR wrong password") self.push('+OK 10 messages') def cmd_stat(self, arg): self.push('+OK 10 100') def cmd_list(self, arg): if arg: self.push('+OK %s %s' % (arg, arg)) else: self.push('+OK') asynchat.async_chat.push(self, LIST_RESP) cmd_uidl = cmd_list def cmd_retr(self, arg): self.push('+OK %s bytes' %len(RETR_RESP)) asynchat.async_chat.push(self, RETR_RESP) cmd_top = cmd_retr def cmd_dele(self, arg): self.push('+OK message marked for deletion.') def cmd_noop(self, arg): self.push('+OK done nothing.') def cmd_rpop(self, arg): self.push('+OK done nothing.') def cmd_apop(self, arg): self.push('+OK done nothing.') def cmd_quit(self, arg): self.push('+OK closing.') self.close_when_done() def _get_capas(self): _capas = dict(self.CAPAS) if not self.tls_active and SUPPORTS_SSL: _capas['STLS'] = [] return _capas def cmd_capa(self, arg): self.push('+OK Capability list follows') if self._get_capas(): for cap, params in self._get_capas().items(): _ln = [cap] if params: _ln.extend(params) self.push(' '.join(_ln)) self.push('.') def cmd_utf8(self, arg): self.push('+OK I know RFC6856' if self.enable_UTF8 else '-ERR What is UTF8?!') if SUPPORTS_SSL: def cmd_stls(self, arg): if self.tls_active is False: self.push('+OK Begin TLS negotiation') context = ssl.SSLContext() context.load_cert_chain(CERTFILE) tls_sock = context.wrap_socket(self.socket, server_side=True, do_handshake_on_connect=False, suppress_ragged_eofs=False) self.del_channel() self.set_socket(tls_sock) self.tls_active = True self.tls_starting = True self.in_buffer = [] self._do_tls_handshake() else: self.push('-ERR Command not permitted when TLS active') def _do_tls_handshake(self): try: self.socket.do_handshake() except ssl.SSLError as err: if err.args[0] in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE): return elif err.args[0] == ssl.SSL_ERROR_EOF: return self.handle_close() # TODO: SSLError does not expose alert information elif ("SSLV3_ALERT_BAD_CERTIFICATE" in err.args[1] or "SSLV3_ALERT_CERTIFICATE_UNKNOWN" in err.args[1]): return self.handle_close() raise except OSError as err: if err.args[0] == errno.ECONNABORTED: return self.handle_close() else: self.tls_active = True self.tls_starting = False def handle_read(self): if self.tls_starting: self._do_tls_handshake() else: try: asynchat.async_chat.handle_read(self) except ssl.SSLEOFError: self.handle_close() class DummyPOP3Server(asyncore.dispatcher, threading.Thread): handler = DummyPOP3Handler def __init__(self, address, af=socket.AF_INET): threading.Thread.__init__(self) asyncore.dispatcher.__init__(self) self.daemon = True self.create_socket(af, socket.SOCK_STREAM) self.bind(address) self.listen(5) self.active = False self.active_lock = threading.Lock() self.host, self.port = self.socket.getsockname()[:2] self.handler_instance = None def start(self): assert not self.active self.__flag = threading.Event() threading.Thread.start(self) self.__flag.wait() def run(self): self.active = True self.__flag.set() try: while self.active and asyncore.socket_map: with self.active_lock: asyncore.loop(timeout=0.1, count=1) finally: asyncore.close_all(ignore_all=True) def stop(self): assert self.active self.active = False self.join() def handle_accepted(self, conn, addr): self.handler_instance = self.handler(conn) def handle_connect(self): self.close() handle_read = handle_connect def writable(self): return 0 def handle_error(self): raise class TestPOP3Class(TestCase): def assertOK(self, resp): self.assertTrue(resp.startswith(b"+OK")) def setUp(self): self.server = DummyPOP3Server((HOST, PORT)) self.server.start() self.client = poplib.POP3(self.server.host, self.server.port, timeout=test_support.LOOPBACK_TIMEOUT) def tearDown(self): self.client.close() self.server.stop() # Explicitly clear the attribute to prevent dangling thread self.server = None def test_getwelcome(self): self.assertEqual(self.client.getwelcome(), b'+OK dummy pop3 server ready. ') def test_exceptions(self): self.assertRaises(poplib.error_proto, self.client._shortcmd, 'echo -err') def test_user(self): self.assertOK(self.client.user('guido')) self.assertRaises(poplib.error_proto, self.client.user, 'invalid') def test_pass_(self): self.assertOK(self.client.pass_('python')) self.assertRaises(poplib.error_proto, self.client.user, 'invalid') def test_stat(self): self.assertEqual(self.client.stat(), (10, 100)) def test_list(self): self.assertEqual(self.client.list()[1:], ([b'1 1', b'2 2', b'3 3', b'4 4', b'5 5'], 25)) self.assertTrue(self.client.list('1').endswith(b"OK 1 1")) def test_retr(self): expected = (b'+OK 116 bytes', [b'From: postmaster@python.org', b'Content-Type: text/plain', b'MIME-Version: 1.0', b'Subject: Dummy', b'', b'line1', b'line2', b'line3'], 113) foo = self.client.retr('foo') self.assertEqual(foo, expected) def test_too_long_lines(self): self.assertRaises(poplib.error_proto, self.client._shortcmd, 'echo +%s' % ((poplib._MAXLINE + 10) * 'a')) def test_dele(self): self.assertOK(self.client.dele('foo')) def test_noop(self): self.assertOK(self.client.noop()) def test_rpop(self): self.assertOK(self.client.rpop('foo')) @hashlib_helper.requires_hashdigest('md5', openssl=True) def test_apop_normal(self): self.assertOK(self.client.apop('foo', 'dummypassword')) @hashlib_helper.requires_hashdigest('md5', openssl=True) def test_apop_REDOS(self): # Replace welcome with very long evil welcome. # NB The upper bound on welcome length is currently 2048. # At this length, evil input makes each apop call take # on the order of milliseconds instead of microseconds. evil_welcome = b'+OK' + (b'<' * 1000000) with test_support.swap_attr(self.client, 'welcome', evil_welcome): # The evil welcome is invalid, so apop should throw. self.assertRaises(poplib.error_proto, self.client.apop, 'a', 'kb') def test_top(self): expected = (b'+OK 116 bytes', [b'From: postmaster@python.org', b'Content-Type: text/plain', b'MIME-Version: 1.0', b'Subject: Dummy', b'', b'line1', b'line2', b'line3'], 113) self.assertEqual(self.client.top(1, 1), expected) def test_uidl(self): self.client.uidl() self.client.uidl('foo') def test_utf8_raises_if_unsupported(self): self.server.handler.enable_UTF8 = False self.assertRaises(poplib.error_proto, self.client.utf8) def test_utf8(self): self.server.handler.enable_UTF8 = True expected = b'+OK I know RFC6856' result = self.client.utf8() self.assertEqual(result, expected) def test_capa(self): capa = self.client.capa() self.assertTrue('IMPLEMENTATION' in capa.keys()) def test_quit(self): resp = self.client.quit() self.assertTrue(resp) self.assertIsNone(self.client.sock) self.assertIsNone(self.client.file) @requires_ssl def test_stls_capa(self): capa = self.client.capa() self.assertTrue('STLS' in capa.keys()) @requires_ssl def test_stls(self): expected = b'+OK Begin TLS negotiation' resp = self.client.stls() self.assertEqual(resp, expected) @requires_ssl def test_stls_context(self): expected = b'+OK Begin TLS negotiation' ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT) ctx.load_verify_locations(CAFILE) self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED) self.assertEqual(ctx.check_hostname, True) with self.assertRaises(ssl.CertificateError): resp = self.client.stls(context=ctx) self.client = poplib.POP3("localhost", self.server.port, timeout=test_support.LOOPBACK_TIMEOUT) resp = self.client.stls(context=ctx) self.assertEqual(resp, expected) if SUPPORTS_SSL: from test.test_ftplib import SSLConnection class DummyPOP3_SSLHandler(SSLConnection, DummyPOP3Handler): def __init__(self, conn): asynchat.async_chat.__init__(self, conn) self.secure_connection() self.set_terminator(b"\r\n") self.in_buffer = [] self.push('+OK dummy pop3 server ready. ') self.tls_active = True self.tls_starting = False @requires_ssl class TestPOP3_SSLClass(TestPOP3Class): # repeat previous tests by using poplib.POP3_SSL def setUp(self): self.server = DummyPOP3Server((HOST, PORT)) self.server.handler = DummyPOP3_SSLHandler self.server.start() self.client = poplib.POP3_SSL(self.server.host, self.server.port) def test__all__(self): self.assertIn('POP3_SSL', poplib.__all__) def test_context(self): ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT) ctx.check_hostname = False ctx.verify_mode = ssl.CERT_NONE self.assertRaises(ValueError, poplib.POP3_SSL, self.server.host, self.server.port, keyfile=CERTFILE, context=ctx) self.assertRaises(ValueError, poplib.POP3_SSL, self.server.host, self.server.port, certfile=CERTFILE, context=ctx) self.assertRaises(ValueError, poplib.POP3_SSL, self.server.host, self.server.port, keyfile=CERTFILE, certfile=CERTFILE, context=ctx) self.client.quit() self.client = poplib.POP3_SSL(self.server.host, self.server.port, context=ctx) self.assertIsInstance(self.client.sock, ssl.SSLSocket) self.assertIs(self.client.sock.context, ctx) self.assertTrue(self.client.noop().startswith(b'+OK')) def test_stls(self): self.assertRaises(poplib.error_proto, self.client.stls) test_stls_context = test_stls def test_stls_capa(self): capa = self.client.capa() self.assertFalse('STLS' in capa.keys()) @requires_ssl class TestPOP3_TLSClass(TestPOP3Class): # repeat previous tests by using poplib.POP3.stls() def setUp(self): self.server = DummyPOP3Server((HOST, PORT)) self.server.start() self.client = poplib.POP3(self.server.host, self.server.port, timeout=test_support.LOOPBACK_TIMEOUT) self.client.stls() def tearDown(self): if self.client.file is not None and self.client.sock is not None: try: self.client.quit() except poplib.error_proto: # happens in the test_too_long_lines case; the overlong # response will be treated as response to QUIT and raise # this exception self.client.close() self.server.stop() # Explicitly clear the attribute to prevent dangling thread self.server = None def test_stls(self): self.assertRaises(poplib.error_proto, self.client.stls) test_stls_context = test_stls def test_stls_capa(self): capa = self.client.capa() self.assertFalse(b'STLS' in capa.keys()) class TestTimeouts(TestCase): def setUp(self): self.evt = threading.Event() self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.sock.settimeout(60) # Safety net. Look issue 11812 self.port = socket_helper.bind_port(self.sock) self.thread = threading.Thread(target=self.server, args=(self.evt, self.sock)) self.thread.daemon = True self.thread.start() self.evt.wait() def tearDown(self): self.thread.join() # Explicitly clear the attribute to prevent dangling thread self.thread = None def server(self, evt, serv): serv.listen() evt.set() try: conn, addr = serv.accept() conn.send(b"+ Hola mundo\n") conn.close() except socket.timeout: pass finally: serv.close() def testTimeoutDefault(self): self.assertIsNone(socket.getdefaulttimeout()) socket.setdefaulttimeout(test_support.LOOPBACK_TIMEOUT) try: pop = poplib.POP3(HOST, self.port) finally: socket.setdefaulttimeout(None) self.assertEqual(pop.sock.gettimeout(), test_support.LOOPBACK_TIMEOUT) pop.close() def testTimeoutNone(self): self.assertIsNone(socket.getdefaulttimeout()) socket.setdefaulttimeout(30) try: pop = poplib.POP3(HOST, self.port, timeout=None) finally: socket.setdefaulttimeout(None) self.assertIsNone(pop.sock.gettimeout()) pop.close() def testTimeoutValue(self): pop = poplib.POP3(HOST, self.port, timeout=test_support.LOOPBACK_TIMEOUT) self.assertEqual(pop.sock.gettimeout(), test_support.LOOPBACK_TIMEOUT) pop.close() with self.assertRaises(ValueError): poplib.POP3(HOST, self.port, timeout=0) def setUpModule(): thread_info = test_support.threading_setup() unittest.addModuleCleanup(test_support.threading_cleanup, *thread_info) if __name__ == '__main__': unittest.main()