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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/>.
from unittest import TestCase
from mailman.app.lifecycle import create_list
from mailman.interfaces.action import Action
from mailman.interfaces.member import MemberRole
from mailman.interfaces.usermanager import IUserManager
from mailman.testing.helpers import (get_queue_messages, make_testable_runner,
set_preferred,
specialized_message_from_string as mfs)
from zope.component import getUtility
from mailman_pgp.config import mm_config
from mailman_pgp.database import mm_transaction, transaction
from mailman_pgp.model.address import PGPAddress
from mailman_pgp.model.list import PGPMailingList
from mailman_pgp.pgp.wrapper import PGPWrapper
from mailman_pgp.runners.incoming import PGPIncomingRunner
from mailman_pgp.testing.layers import PGPConfigLayer
from mailman_pgp.testing.pgp import load_key, load_message
class TestPGPIncomingRunner(TestCase):
layer = PGPConfigLayer
def setUp(self):
user_manager = getUtility(IUserManager)
with mm_transaction():
self.mlist = create_list('test@example.com',
style_name='pgp-default')
self.sender = user_manager.create_user('RSA-1024b@example.org')
set_preferred(self.sender)
self.mlist.subscribe(self.sender, MemberRole.member)
self.list_key = load_key('ecc_p256.priv.asc')
self.pgp_list = PGPMailingList.for_list(self.mlist)
self.pgp_list.key = self.list_key
self.sender_key = load_key('rsa_1024.priv.asc')
with transaction() as t:
self.pgp_sender = PGPAddress(self.sender.preferred_address)
self.pgp_sender.key = self.sender_key.pubkey
t.add(self.pgp_sender)
self.msg_clear = load_message('clear.eml')
self.runner = make_testable_runner(PGPIncomingRunner, 'in')
def test_pass_default(self):
with mm_transaction():
create_list('ordinary@example.com')
msg = mfs("""\
From: anne@example.com
To: ordinary@example.com
""")
msgdata = dict(listid='ordinary.example.com')
mm_config.switchboards['in'].enqueue(msg, msgdata)
self.runner.run()
items = get_queue_messages('in_default', expected_count=1)
self.assertEqual(items[0].msg.sender, 'anne@example.com')
def test_no_key(self):
with mm_transaction():
create_list('no-key@example.com',
style_name='pgp-default')
msg = mfs("""\
From: RSA-1024b@example.org
To: no-key@example.com
Some text.
""")
wrapped = PGPWrapper(msg)
encrypted = wrapped.encrypt(self.pgp_list.pubkey)
msgdata = dict(listid='no-key.example.com')
mm_config.switchboards['in'].enqueue(encrypted, msgdata)
runner = make_testable_runner(PGPIncomingRunner, 'in',
lambda runner: True)
runner.run()
# Expect the message still there. Waiting for list key.
get_queue_messages('in', expected_count=1)
def test_nonencrypted_action(self):
with transaction():
self.pgp_list.nonencrypted_msg_action = Action.hold
msgdata = dict(listid='test.example.com')
mm_config.switchboards['in'].enqueue(self.msg_clear, msgdata)
self.runner.run()
items = get_queue_messages('in_default', expected_count=1)
self.assertEqual(items[0].msgdata['pgp_action'],
Action.hold.name)
self.assertEqual(items[0].msgdata['moderation_sender'],
self.msg_clear.sender)
self.assertEqual(items[0].msgdata['moderation_reasons'],
['Message was not encrypted.'])
self.assertTrue(items[0].msgdata['pgp_moderate'])
with transaction():
self.pgp_list.nonencrypted_msg_action = Action.defer
msgdata = dict(listid='test.example.com')
mm_config.switchboards['in'].enqueue(self.msg_clear, msgdata)
self.runner.run()
get_queue_messages('in_default', expected_count=1)
def test_decrypt(self):
payload = 'Some encrypted text.'
msg = mfs("""\
From: RSA-1024b@example.org
To: test@example.com
{}
""".format(str(payload)))
wrapped = PGPWrapper(msg)
encrypted = wrapped.encrypt(self.pgp_list.pubkey)
msgdata = dict(listid='test.example.com')
mm_config.switchboards['in'].enqueue(encrypted,
msgdata)
self.runner.run()
items = get_queue_messages('in_default', expected_count=1)
out_msg = items[0].msg
self.assertEqual(out_msg.get_payload(), msg.get_payload())
def test_decrypt_combined(self):
payload = 'Some signed and encrypted text.'
msg = mfs("""\
From: RSA-1024b@example.org
To: test@example.com
{}
""".format(str(payload)))
wrapped = PGPWrapper(msg)
encrypted_signed = wrapped.sign_encrypt(self.sender_key,
self.pgp_list.pubkey,
self.pgp_sender.key)
msgdata = dict(listid='test.example.com')
mm_config.switchboards['in'].enqueue(encrypted_signed,
msgdata)
self.runner.run()
items = get_queue_messages('in_default', expected_count=1)
out_msg = items[0].msg
out_wrapped = PGPWrapper(out_msg)
self.assertTrue(out_wrapped.is_signed())
self.assertTrue(out_wrapped.verifies(self.pgp_sender.key))
def test_decrypt_fail(self):
payload = 'Some signed and encrypted text.'
msg = mfs("""\
From: RSA-1024b@example.org
To: test@example.com
{}
""".format(str(payload)))
wrapped = PGPWrapper(msg)
encrypted = wrapped.encrypt(self.sender_key.pubkey)
msgdata = dict(listid='test.example.com')
mm_config.switchboards['in'].enqueue(encrypted,
msgdata)
self.runner.run()
items = get_queue_messages('in_default', expected_count=1)
self.assertEqual(items[0].msgdata['pgp_action'],
Action.reject.name)
self.assertEqual(items[0].msgdata['moderation_sender'],
msg.sender)
self.assertEqual(items[0].msgdata['moderation_reasons'],
['Message could not be decrypted.'])
self.assertTrue(items[0].msgdata['pgp_moderate'])
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