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# Copyright (C) 2017 Jan Jancar
#
# This file is a part of the Mailman PGP plugin.
#
# 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 <http://www.gnu.org/licenses/>.
"""Test the PGP enabled IndividualDelivery."""
import unittest
from mailman.app.lifecycle import create_list
from mailman.interfaces.mailinglist import Personalization
from mailman.testing.helpers import (
specialized_message_from_string as mfs, subscribe)
from mailman_pgp.database import transaction
from mailman_pgp.model.address import PGPAddress
from mailman_pgp.model.list import PGPMailingList
from mailman_pgp.mta.personalized import PGPPersonalizedDelivery
from mailman_pgp.pgp.tests.base import load_key
from mailman_pgp.pgp.wrapper import PGPWrapper
from mailman_pgp.testing.layers import PGPConfigLayer
from mailman_pgp.utils.pgp import verifies
class PersonalizedDeliveryTester(PGPPersonalizedDelivery):
"""Save the deliveries made by the PGPPersonalizedDelivery class."""
def __init__(self):
super().__init__()
self.deliveries = []
def _deliver_to_recipients(self, mlist, msg, msgdata, recipients):
self.deliveries.append((mlist, msg, msgdata, recipients))
return []
class TestPGPPersonalizedDelivery(unittest.TestCase):
layer = PGPConfigLayer
def setUp(self):
self.mlist = create_list('test@example.com', style_name='pgp-default')
self.mlist.personalize = Personalization.individual
self.list_key = load_key('ecc_p256.priv.asc')
self.pgp_list = PGPMailingList.for_list(self.mlist)
self.pgp_list.key = self.list_key
# Make Anne a member of this mailing list.
self.anne = subscribe(self.mlist, 'Anne', email='anne@example.org')
self.anne_key = load_key('rsa_1024.priv.asc')
with transaction() as t:
self.pgp_anne = PGPAddress(self.anne.address)
self.pgp_anne.key = self.anne_key.pubkey
self.pgp_anne.key_confirmed = True
t.add(self.pgp_anne)
# Clear out any results from the previous test.
self.msg = mfs("""\
From: anne@example.org
To: test@example.com
Subject: test
""")
def test_sign_encrypt(self):
with transaction():
self.pgp_list.sign_outgoing = True
self.pgp_list.encrypt_outgoing = True
msgdata = dict(recipients=['anne@example.org'])
agent = PersonalizedDeliveryTester()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 0)
self.assertEqual(len(agent.deliveries), 1)
out_msg = agent.deliveries[0][1]
out_wrapped = PGPWrapper(out_msg)
self.assertTrue(out_wrapped.is_encrypted())
decrypted = out_wrapped.decrypt(self.list_key)
wrapped = PGPWrapper(decrypted)
self.assertTrue(wrapped.is_signed())
decrypted = out_wrapped.decrypt(self.anne_key)
wrapped = PGPWrapper(decrypted)
self.assertTrue(wrapped.is_signed())
def test_encrypt(self):
with transaction():
self.pgp_list.sign_outgoing = False
self.pgp_list.encrypt_outgoing = True
msgdata = dict(recipients=['anne@example.org'])
agent = PersonalizedDeliveryTester()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 0)
self.assertEqual(len(agent.deliveries), 1)
out_msg = agent.deliveries[0][1]
out_wrapped = PGPWrapper(out_msg)
self.assertTrue(out_wrapped.is_encrypted())
decrypted = out_wrapped.decrypt(self.list_key)
wrapped = PGPWrapper(decrypted)
self.assertFalse(wrapped.is_signed())
decrypted = out_wrapped.decrypt(self.anne_key)
wrapped = PGPWrapper(decrypted)
self.assertFalse(wrapped.is_signed())
def test_sign(self):
with transaction():
self.pgp_list.sign_outgoing = True
self.pgp_list.encrypt_outgoing = False
msgdata = dict(recipients=['anne@example.org'])
agent = PersonalizedDeliveryTester()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 0)
self.assertEqual(len(agent.deliveries), 1)
out_msg = agent.deliveries[0][1]
wrapped = PGPWrapper(out_msg)
self.assertTrue(wrapped.is_signed())
self.assertTrue(verifies(wrapped.verify(self.list_key.pubkey)))
def test_none(self):
with transaction():
self.pgp_list.sign_outgoing = False
self.pgp_list.encrypt_outgoing = False
msgdata = dict(recipients=['anne@example.org'])
agent = PersonalizedDeliveryTester()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 0)
self.assertEqual(len(agent.deliveries), 1)
out_msg = agent.deliveries[0][1]
wrapped = PGPWrapper(out_msg)
self.assertFalse(wrapped.is_signed())
self.assertFalse(wrapped.is_encrypted())
def test_no_pgp_list(self):
ordinary_list = create_list('ordinary@example.com')
msgdata = dict(recipients=['anne@example.org'])
agent = PersonalizedDeliveryTester()
refused = agent.deliver(ordinary_list, self.msg, msgdata)
self.assertEqual(len(refused), 0)
self.assertEqual(len(agent.deliveries), 1)
def test_no_pgp_address(self):
msgdata = dict(recipients=['someone@example.org'])
agent = PGPPersonalizedDelivery()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 1)
def test_no_key(self):
with transaction():
self.pgp_anne.key = None
msgdata = dict(recipients=['anne@example.org'])
agent = PGPPersonalizedDelivery()
refused = agent.deliver(self.mlist, self.msg, msgdata)
self.assertEqual(len(refused), 1)
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