aboutsummaryrefslogtreecommitdiff
path: root/src/mailman_pgp/pgp/tests/base.py
blob: 4b1e0c2bbf88da9211c1b67be276ff6dae2b208d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
# 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 email import message_from_file
from unittest import TestCase

from mailman.email.message import Message
from pgpy import PGPKey
from pkg_resources import resource_filename


def load_message(path):
    with open(resource_filename('mailman_pgp.pgp.tests', path)) as f:
        return message_from_file(f, Message)


def load_key(path):
    key, _ = PGPKey.from_file(
            resource_filename('mailman_pgp.pgp.tests', path))
    return key


class WrapperTestCase(TestCase):
    wrapper = None

    def is_signed(self, message, signed):
        wrapped = self.wrapper(message)
        self.assertEqual(wrapped.is_signed(), signed)

    def sign(self, message, key):
        wrapped = self.wrapper(message)
        signed = wrapped.sign(key)
        signed_wrapped = self.wrapper(signed)
        self.assertTrue(signed_wrapped.is_signed())

    def sign_verify(self, message, priv, pub):
        wrapped = self.wrapper(message)
        signed = wrapped.sign(priv)
        signed_wrapped = self.wrapper(signed)
        for signature in signed_wrapped.verify(pub):
            self.assertTrue(bool(signature))

    def verify(self, message, key, valid):
        wrapped = self.wrapper(message)
        for signature in wrapped.verify(key):
            self.assertEqual(bool(signature), valid)

    def is_encrypted(self, message, encrypted):
        wrapped = self.wrapper(message)
        self.assertEqual(wrapped.is_encrypted(), encrypted)

    def encrypt(self, message, *keys, **kwargs):
        wrapped = self.wrapper(message)
        encrypted = wrapped.encrypt(*keys, **kwargs)
        encrypted_wrapped = self.wrapper(encrypted)
        self.assertTrue(encrypted_wrapped.is_encrypted())

    def encrypt_decrypt(self, message, pub, priv):
        wrapped = self.wrapper(message)
        encrypted = wrapped.encrypt(pub)

        encrypted_wrapped = self.wrapper(encrypted)
        decrypted = encrypted_wrapped.decrypt(priv)
        decrypted_wrapped = self.wrapper(decrypted)

        self.assertFalse(decrypted_wrapped.is_encrypted())
        self.assertEqual(decrypted.get_payload(), message.get_payload())

    def decrypt(self, message, key, clear):
        wrapped = self.wrapper(message)
        decrypted = wrapped.decrypt(key)
        decrypted_wrapped = self.wrapper(decrypted)

        self.assertFalse(decrypted_wrapped.is_encrypted())
        self.assertEqual(decrypted.get_payload(), clear)

    def has_keys(self, message, has_keys):
        wrapped = self.wrapper(message)
        self.assertEqual(wrapped.has_keys(), has_keys)

    def keys(self, message, keys):
        wrapped = self.wrapper(message)
        loaded = list(wrapped.keys())
        self.assertEqual(len(loaded), len(keys))

        loaded_fingerprints = list(map(lambda key: key.fingerprint, loaded))
        fingerprints = list(map(lambda key: key.fingerprint, keys))
        self.assertListEqual(loaded_fingerprints, fingerprints)

    def sign_encrypt_decrypt_verify(self, message, sign_key, encrypt_key):
        wrapped = self.wrapper(message)
        encrypted = wrapped.sign_encrypt(sign_key, encrypt_key.pubkey)
        encrypted_wrapped = self.wrapper(encrypted)
        self.assertTrue(encrypted_wrapped.is_encrypted())

        decrypted = encrypted_wrapped.decrypt(encrypt_key)
        decrypted_wrapped = self.wrapper(decrypted)
        self.assertTrue(decrypted_wrapped.is_signed())
        self.assertFalse(decrypted_wrapped.is_encrypted())

        verification = decrypted_wrapped.verify(sign_key.pubkey)
        for sig in verification:
            self.assertTrue(bool(sig))