From a7584ae58e7d08498199d8a556c928f7b8d6b20e Mon Sep 17 00:00:00 2001 From: drebs Date: Mon, 6 May 2013 19:31:56 -0300 Subject: Adapt smtp-relay to use leap.common.keymanager * Add docstrings to smtp-relay classes. * Setup test suite. * Add setuptools-trial as dependency for tests. * Move smtp-relay tests to default test directory. * Add tests for smtp-relay. * Send of unencrypted mail depending on 'encrypted_only' param. * Malformed email address. * Add a helper function for smtp-relay. * Assert params for initializing SMTPFactory. * Use mail.util.parseaddr to parse email address. * Use email.message.Message to represent an email message in smtp-relay. * Make requirements effective and fix leap.common version in setup.py. * Add/remove dependencies in setup.py. * Fix Soledad instantiation in tests. * Fix sender address in smtp-relay. * Fix some comments regarding twisted's SSL and SMTP. * Remove authentication from smtp-relay when sending. This closes #2446. --- src/leap/mail/tests/smtp/185CA770.key | 79 +++++++++ src/leap/mail/tests/smtp/185CA770.pub | 52 ++++++ src/leap/mail/tests/smtp/__init__.py | 268 +++++++++++++++++++++++++++++ src/leap/mail/tests/smtp/mail.txt | 10 ++ src/leap/mail/tests/smtp/test_smtprelay.py | 212 +++++++++++++++++++++++ 5 files changed, 621 insertions(+) create mode 100644 src/leap/mail/tests/smtp/185CA770.key create mode 100644 src/leap/mail/tests/smtp/185CA770.pub create mode 100644 src/leap/mail/tests/smtp/__init__.py create mode 100644 src/leap/mail/tests/smtp/mail.txt create mode 100644 src/leap/mail/tests/smtp/test_smtprelay.py (limited to 'src/leap/mail/tests/smtp') diff --git a/src/leap/mail/tests/smtp/185CA770.key b/src/leap/mail/tests/smtp/185CA770.key new file mode 100644 index 0000000..587b416 --- /dev/null +++ b/src/leap/mail/tests/smtp/185CA770.key @@ -0,0 +1,79 @@ +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + 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WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +""" +Base classes and keys for SMTP relay tests. +""" + +import os +import shutil +import tempfile +from mock import Mock + + +from twisted.trial import unittest + + +from leap.soledad import Soledad +from leap.soledad.crypto import SoledadCrypto +from leap.common.keymanager import ( + KeyManager, + openpgp, +) + + +from leap.common.testing.basetest import BaseLeapTest + + +class TestCaseWithKeyManager(BaseLeapTest): + + def setUp(self): + # mimic BaseLeapTest.setUpClass behaviour, because this is deprecated + # in Twisted: http://twistedmatrix.com/trac/ticket/1870 + self.old_path = os.environ['PATH'] + self.old_home = os.environ['HOME'] + self.tempdir = tempfile.mkdtemp(prefix="leap_tests-") + self.home = self.tempdir + bin_tdir = os.path.join( + self.tempdir, + 'bin') + os.environ["PATH"] = bin_tdir + os.environ["HOME"] = self.tempdir + + # setup our own stuff + address = 'leap@leap.se' # user's address in the form user@provider + uuid = 'leap@leap.se' + passphrase = '123' + secret_path = os.path.join(self.tempdir, 'secret.gpg') + local_db_path = os.path.join(self.tempdir, 'soledad.u1db') + server_url = 'http://provider/' + cert_file = '' + + # mock key fetching and storing so Soledad doesn't fail when trying to + # reach the server. + Soledad._fetch_keys_from_shared_db = Mock(return_value=None) + Soledad._assert_keys_in_shared_db = Mock(return_value=None) + + # instantiate soledad + self._soledad = Soledad( + uuid, + passphrase, + secret_path, + local_db_path, + server_url, + cert_file, + ) + + self._config = { + 'host': 'http://provider/', + 'port': 25, + 'username': address, + 'password': '', + 'encrypted_only': True + } + + nickserver_url = '' # the url of the nickserver + self._km = KeyManager(address, nickserver_url, self._soledad) + + # insert test keys in key manager. + pgp = openpgp.OpenPGPScheme(self._soledad) + pgp.put_ascii_key(PRIVATE_KEY) + pgp.put_ascii_key(PRIVATE_KEY_2) + + def tearDown(self): + # mimic LeapBaseTest.tearDownClass behaviour + os.environ["PATH"] = self.old_path + os.environ["HOME"] = self.old_home + # safety check + assert self.tempdir.startswith('/tmp/leap_tests-') + shutil.rmtree(self.tempdir) + + +# Key material for testing +KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF" +PUBLIC_KEY = """ +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +mQINBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz +iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO +zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx +irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT +huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs +d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g +wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb +hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv +U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H +T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i +Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB +tBxMZWFwIFRlc3QgS2V5IDxsZWFwQGxlYXAuc2U+iQI3BBMBCAAhBQJQvfnZAhsD +BQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAAAoJEC9FXigk0Y3fT7EQAKH3IuRniOpb +T/DDIgwwjz3oxB/W0DDMyPXowlhSOuM0rgGfntBpBb3boezEXwL86NPQxNGGruF5 +hkmecSiuPSvOmQlqlS95NGQp6hNG0YaKColh+Q5NTspFXCAkFch9oqUje0LdxfSP +QfV9UpeEvGyPmk1I9EJV/YDmZ4+Djge1d7qhVZInz4Rx1NrSyF/Tc2EC0VpjQFsU +Y9Kb2YBBR7ivG6DBc8ty0jJXi7B4WjkFcUEJviQpMF2dCLdonCehYs1PqsN1N7j+ +eFjQd+hqVMJgYuSGKjvuAEfClM6MQw7+FmFwMyLgK/Ew/DttHEDCri77SPSkOGSI +txCzhTg6798f6mJr7WcXmHX1w1Vcib5FfZ8vTDFVhz/XgAgArdhPo9V6/1dgSSiB +KPQ/spsco6u5imdOhckERE0lnAYvVT6KE81TKuhF/b23u7x+Wdew6kK0EQhYA7wy +7LmlaNXc7rMBQJ9Z60CJ4JDtatBWZ0kNrt2VfdDHVdqBTOpl0CraNUjWE5YMDasr +K2dF5IX8D3uuYtpZnxqg0KzyLg0tzL0tvOL1C2iudgZUISZNPKbS0z0v+afuAAnx +2pTC3uezbh2Jt8SWTLhll4i0P4Ps5kZ6HQUO56O+/Z1cWovX+mQekYFmERySDR9n +3k1uAwLilJmRmepGmvYbB8HloV8HqwgguQINBFC9+dkBEAC0I/xn1uborMgDvBtf +H0sEhwnXBC849/32zic6udB6/3Efk9nzbSpL3FSOuXITZsZgCHPkKarnoQ2ztMcS +sh1ke1C5gQGms75UVmM/nS+2YI4vY8OX/GC/on2vUyncqdH+bR6xH5hx4NbWpfTs +iQHmz5C6zzS/kuabGdZyKRaZHt23WQ7JX/4zpjqbC99DjHcP9BSk7tJ8wI4bkMYD +uFVQdT9O6HwyKGYwUU4sAQRAj7XCTGvVbT0dpgJwH4RmrEtJoHAx4Whg8mJ710E0 +GCmzf2jqkNuOw76ivgk27Kge+Hw00jmJjQhHY0yVbiaoJwcRrPKzaSjEVNgrpgP3 +lXPRGQArgESsIOTeVVHQ8fhK2YtTeCY9rIiO+L0OX2xo9HK7hfHZZWL6rqymXdyS +fhzh/f6IPyHFWnvj7Brl7DR8heMikygcJqv+ed2yx7iLyCUJ10g12I48+aEj1aLe +dP7lna32iY8/Z0SHQLNH6PXO9SlPcq2aFUgKqE75A/0FMk7CunzU1OWr2ZtTLNO1 +WT/13LfOhhuEq9jTyTosn0WxBjJKq18lnhzCXlaw6EAtbA7CUwsD3CTPR56aAXFK +3I7KXOVAqggrvMe5Tpdg5drfYpI8hZovL5aAgb+7Y5ta10TcJdUhS5K3kFAWe/td +U0cmWUMDP1UMSQ5Jg6JIQVWhSwARAQABiQIfBBgBCAAJBQJQvfnZAhsMAAoJEC9F +Xigk0Y3fRwsP/i0ElYCyxeLpWJTwo1iCLkMKz2yX1lFVa9nT1BVTPOQwr/IAc5OX +NdtbJ14fUsKL5pWgW8OmrXtwZm1y4euI1RPWWubG01ouzwnGzv26UcuHeqC5orZj +cOnKtL40y8VGMm8LoicVkRJH8blPORCnaLjdOtmA3rx/v2EXrJpSa3AhOy0ZSRXk +ZSrK68AVNwamHRoBSYyo0AtaXnkPX4+tmO8X8BPfj125IljubvwZPIW9VWR9UqCE +VPfDR1XKegVb6VStIywF7kmrknM1C5qUY28rdZYWgKorw01hBGV4jTW0cqde3N51 +XT1jnIAa+NoXUM9uQoGYMiwrL7vNsLlyyiW5ayDyV92H/rIuiqhFgbJsHTlsm7I8 +oGheR784BagAA1NIKD1qEO9T6Kz9lzlDaeWS5AUKeXrb7ZJLI1TTCIZx5/DxjLqM +Tt/RFBpVo9geZQrvLUqLAMwdaUvDXC2c6DaCPXTh65oCZj/hqzlJHH+RoTWWzKI+ +BjXxgUWF9EmZUBrg68DSmI+9wuDFsjZ51BcqvJwxyfxtTaWhdoYqH/UQS+D1FP3/ +diZHHlzwVwPICzM9ooNTgbrcDzyxRkIVqsVwBq7EtzcvgYUyX53yG25Giy6YQaQ2 +ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX +=MuOY +-----END PGP PUBLIC KEY BLOCK----- +""" +PRIVATE_KEY = """ +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +lQcYBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz +iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO +zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx +irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT +huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs +d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g +wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb +hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv +U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H +T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i +Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB +AA/+JHtlL39G1wsH9R6UEfUQJGXR9MiIiwZoKcnRB2o8+DS+OLjg0JOh8XehtuCs +E/8oGQKtQqa5bEIstX7IZoYmYFiUQi9LOzIblmp2vxOm+HKkxa4JszWci2/ZmC3t +KtaA4adl9XVnshoQ7pijuCMUKB3naBEOAxd8s9d/JeReGIYkJErdrnVfNk5N71Ds +FmH5Ll3XtEDvgBUQP3nkA6QFjpsaB94FHjL3gDwum/cxzj6pCglcvHOzEhfY0Ddb +J967FozQTaf2JW3O+w3LOqtcKWpq87B7+O61tVidQPSSuzPjCtFF0D2LC9R/Hpky +KTMQ6CaKja4MPhjwywd4QPcHGYSqjMpflvJqi+kYIt8psUK/YswWjnr3r4fbuqVY +VhtiHvnBHQjz135lUqWvEz4hM3Xpnxydx7aRlv5NlevK8+YIO5oFbWbGNTWsPZI5 +jpoFBpSsnR1Q5tnvtNHauvoWV+XN2qAOBTG+/nEbDYH6Ak3aaE9jrpTdYh0CotYF +q7csANsDy3JvkAzeU6WnYpsHHaAjqOGyiZGsLej1UcXPFMosE/aUo4WQhiS8Zx2c +zOVKOi/X5vQ2GdNT9Qolz8AriwzsvFR+bxPzyd8V6ALwDsoXvwEYinYBKK8j0OPv 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+waxFrZ4DJzZ9ltyosEJn5F32StyLrFxpcrdLUoEaclZCv2qka7sZvi0EvovDVEBU +e10jOx9AOwf8Gj2ufhquQ6qgVYCzbP+YrodtkFrXRS3IsljIchj1M2ffB/0bfoUs +rtER9pLvYzCjBPg8IfGLw0o754Qbhh/ReplCRTusP/fQMybvCvfxreS3oyEriu/G +GufRomjewZ8EMHDIgUsLcYo2UHZsfF7tcazgxMGmMvazp4r8vpgrvW/8fIN/6Adu +tF+WjWDTvJLFJCe6O+BFJOWrssNrrra1zGtLC1s8s+Wfpe+bGPL5zpHeebGTwH1U +22eqgJArlEKxrfarz7W5+uHZJHSjF/K9ZvunLGD0n9GOPMpji3UO3zeM8IYoWn7E +/EWK1XbjnssNemeeTZ+sDh+qrD7BOi+vCX1IyBxbfqnQfJZvmcPWpruy1UsO+aIC +0GY8Jr3OL69dDQ21jueJAh8EGAEIAAkFAlC9+dkCGwwACgkQL0VeKCTRjd9HCw/+ +LQSVgLLF4ulYlPCjWIIuQwrPbJfWUVVr2dPUFVM85DCv8gBzk5c121snXh9Swovm +laBbw6ate3BmbXLh64jVE9Za5sbTWi7PCcbO/bpRy4d6oLmitmNw6cq0vjTLxUYy +bwuiJxWREkfxuU85EKdouN062YDevH+/YResmlJrcCE7LRlJFeRlKsrrwBU3BqYd +GgFJjKjQC1peeQ9fj62Y7xfwE9+PXbkiWO5u/Bk8hb1VZH1SoIRU98NHVcp6BVvp +VK0jLAXuSauSczULmpRjbyt1lhaAqivDTWEEZXiNNbRyp17c3nVdPWOcgBr42hdQ +z25CgZgyLCsvu82wuXLKJblrIPJX3Yf+si6KqEWBsmwdOWybsjygaF5HvzgFqAAD +U0goPWoQ71PorP2XOUNp5ZLkBQp5etvtkksjVNMIhnHn8PGMuoxO39EUGlWj2B5l +Cu8tSosAzB1pS8NcLZzoNoI9dOHrmgJmP+GrOUkcf5GhNZbMoj4GNfGBRYX0SZlQ +GuDrwNKYj73C4MWyNnnUFyq8nDHJ/G1NpaF2hiof9RBL4PUU/f92JkceXPBXA8gL +Mz2ig1OButwPPLFGQhWqxXAGrsS3Ny+BhTJfnfIbbkaLLphBpDZm1D9XKbAUvdd1 +RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc= +=JTFu +-----END PGP PRIVATE KEY BLOCK----- +""" diff --git a/src/leap/mail/tests/smtp/mail.txt b/src/leap/mail/tests/smtp/mail.txt new file mode 100644 index 0000000..9542047 --- /dev/null +++ b/src/leap/mail/tests/smtp/mail.txt @@ -0,0 +1,10 @@ +HELO drebs@riseup.net +MAIL FROM: drebs@riseup.net +RCPT TO: drebs@riseup.net +RCPT TO: drebs@leap.se +DATA +Subject: leap test + +Hello world! +. +QUIT diff --git a/src/leap/mail/tests/smtp/test_smtprelay.py b/src/leap/mail/tests/smtp/test_smtprelay.py new file mode 100644 index 0000000..6ef4e85 --- /dev/null +++ b/src/leap/mail/tests/smtp/test_smtprelay.py @@ -0,0 +1,212 @@ +# -*- coding: utf-8 -*- +# test_smtprelay.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +""" +SMTP relay tests. +""" + + +import re + + +from datetime import datetime +from twisted.test import proto_helpers +from twisted.mail.smtp import ( + User, + SMTPBadRcpt, +) +from mock import Mock + + +from leap.mail.smtp.smtprelay import ( + SMTPFactory, + EncryptedMessage, +) +from leap.mail.tests.smtp import TestCaseWithKeyManager +from leap.common.keymanager import openpgp + + +# some regexps +IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}" + \ + "([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])" +HOSTNAME_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*" + \ + "([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])" +IP_OR_HOST_REGEX = '(' + IP_REGEX + '|' + HOSTNAME_REGEX + ')' + + +class TestSmtpRelay(TestCaseWithKeyManager): + + EMAIL_DATA = ['HELO relay.leap.se', + 'MAIL FROM: ', + 'RCPT TO: ', + 'DATA', + 'From: User ', + 'To: Leap ', + 'Date: ' + datetime.now().strftime('%c'), + 'Subject: test message', + '', + 'This is a secret message.', + 'Yours,', + 'A.', + '', + '.', + 'QUIT'] + + def assertMatch(self, string, pattern, msg=None): + if not re.match(pattern, string): + msg = self._formatMessage(msg, '"%s" does not match pattern "%s".' + % (string, pattern)) + raise self.failureException(msg) + + def test_openpgp_encrypt_decrypt(self): + "Test if openpgp can encrypt and decrypt." + text = "simple raw text" + pubkey = self._km.get_key( + 'leap@leap.se', openpgp.OpenPGPKey, private=False) + encrypted = openpgp.encrypt_asym(text, pubkey) + self.assertNotEqual(text, encrypted, "failed encrypting text") + privkey = self._km.get_key( + 'leap@leap.se', openpgp.OpenPGPKey, private=True) + decrypted = openpgp.decrypt_asym(encrypted, privkey) + self.assertEqual(text, decrypted, "failed decrypting text") + + def test_relay_accepts_valid_email(self): + """ + Test if SMTP server responds correctly for valid interaction. + """ + + SMTP_ANSWERS = ['220 ' + IP_OR_HOST_REGEX + + ' NO UCE NO UBE NO RELAY PROBES', + '250 ' + IP_OR_HOST_REGEX + ' Hello ' + + IP_OR_HOST_REGEX + ', nice to meet you', + '250 Sender address accepted', + '250 Recipient address accepted', + '354 Continue'] + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + transport = proto_helpers.StringTransport() + proto.makeConnection(transport) + for i, line in enumerate(self.EMAIL_DATA): + proto.lineReceived(line + '\r\n') + self.assertMatch(transport.value(), + '\r\n'.join(SMTP_ANSWERS[0:i + 1])) + proto.setTimeout(None) + + def test_message_encrypt(self): + """ + Test if message gets encrypted to destination email. + """ + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + user = User('leap@leap.se', 'relay.leap.se', proto, 'leap@leap.se') + m = EncryptedMessage(user, self._km, self._config) + for line in self.EMAIL_DATA[4:12]: + m.lineReceived(line) + m.eomReceived() + privkey = self._km.get_key( + 'leap@leap.se', openpgp.OpenPGPKey, private=True) + decrypted = openpgp.decrypt_asym(m._message.get_payload(), privkey) + self.assertEqual( + '\r\n'.join(self.EMAIL_DATA[9:12]) + '\r\n', + decrypted) + + def test_missing_key_rejects_address(self): + """ + Test if server rejects to send unencrypted when 'encrypted_only' is + True. + """ + # remove key from key manager + pubkey = self._km.get_key('leap@leap.se', openpgp.OpenPGPKey) + pgp = openpgp.OpenPGPScheme(self._soledad) + pgp.delete_key(pubkey) + # mock the key fetching + self._km.fetch_keys_from_server = Mock(return_value=[]) + # prepare the SMTP factory + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + transport = proto_helpers.StringTransport() + proto.makeConnection(transport) + proto.lineReceived(self.EMAIL_DATA[0] + '\r\n') + proto.lineReceived(self.EMAIL_DATA[1] + '\r\n') + proto.lineReceived(self.EMAIL_DATA[2] + '\r\n') + # ensure the address was rejected + lines = transport.value().rstrip().split('\n') + self.assertEqual( + '550 Cannot receive for specified address', + lines[-1]) + + def test_missing_key_accepts_address(self): + """ + Test if server accepts to send unencrypted when 'encrypted_only' is + False. + """ + # remove key from key manager + pubkey = self._km.get_key('leap@leap.se', openpgp.OpenPGPKey) + pgp = openpgp.OpenPGPScheme(self._soledad) + pgp.delete_key(pubkey) + # mock the key fetching + self._km.fetch_keys_from_server = Mock(return_value=[]) + # change the configuration + self._config['encrypted_only'] = False + # prepare the SMTP factory + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + transport = proto_helpers.StringTransport() + proto.makeConnection(transport) + proto.lineReceived(self.EMAIL_DATA[0] + '\r\n') + proto.lineReceived(self.EMAIL_DATA[1] + '\r\n') + proto.lineReceived(self.EMAIL_DATA[2] + '\r\n') + # ensure the address was rejected + lines = transport.value().rstrip().split('\n') + self.assertEqual( + '250 Recipient address accepted', + lines[-1]) + + def test_malformed_address_rejects(self): + """ + Test if server rejects to send to malformed addresses. + """ + # mock the key fetching + self._km.fetch_keys_from_server = Mock(return_value=[]) + # prepare the SMTP factory + for malformed in ['leap@']: + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + transport = proto_helpers.StringTransport() + proto.makeConnection(transport) + proto.lineReceived(self.EMAIL_DATA[0] + '\r\n') + proto.lineReceived(self.EMAIL_DATA[1] + '\r\n') + proto.lineReceived('RCPT TO: <%s>%s' % (malformed, '\r\n')) + # ensure the address was rejected + lines = transport.value().rstrip().split('\n') + self.assertEqual( + '550 Cannot receive for specified address', + lines[-1]) + + def test_prepare_header_adds_from(self): + """ + Test if message headers are OK. + """ + proto = SMTPFactory( + self._km, self._config).buildProtocol(('127.0.0.1', 0)) + user = User('leap@leap.se', 'relay.leap.se', proto, 'leap@leap.se') + m = EncryptedMessage(user, self._km, self._config) + for line in self.EMAIL_DATA[4:12]: + m.lineReceived(line) + m.eomReceived() + self.assertEqual('', m._message['From']) -- cgit v1.2.3