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
119
120
121
122
|
import six
from base64 import b64encode
from email.parser import Parser
from zope.interface import implementer
from memoryhole import protect, ProtectConfig, IOpenPGP
FROM = "me@domain.com"
TO = "you@other.com"
SUBJECT = "some subject"
BODY = "body text"
EMAIL = """From: %(from)s
To: %(to)s
Subject: %(subject)s
%(body)s
""" % {
"from": FROM,
"to": TO,
"subject": SUBJECT,
"body": BODY
}
parser = Parser()
def test_pgp_encrypted_mime():
msg = parser.parsestr(EMAIL)
encrypter = Encrypter()
conf = ProtectConfig(openpgp=encrypter, obscured_headers=[])
encmsg = protect(msg, config=conf)
assert encmsg.get_payload(1).get_payload() == encrypter.encstr
assert [TO] == encrypter.encraddr
assert encmsg.get_content_type() == "multipart/encrypted"
assert get_body(encrypter.data) == BODY + '\n'
def test_unobscured_headers():
msg = parser.parsestr(EMAIL)
encrypter = Encrypter()
conf = ProtectConfig(openpgp=encrypter, obscured_headers=[])
encmsg = protect(msg, config=conf)
assert encmsg['from'] == FROM
assert encmsg['to'] == TO
assert encmsg['subject'] == SUBJECT
def test_obscured_headers():
msg = parser.parsestr(EMAIL)
encrypter = Encrypter()
conf = ProtectConfig(openpgp=encrypter)
encmsg = protect(msg, config=conf)
for header, value in conf.obscured_headers.items():
msgheaders = encmsg.get_all(header, [])
if msgheaders:
assert msgheaders == [value]
encpart = parser.parsestr(encrypter.data)
assert encpart.get_content_type() == "multipart/mixed"
rfc822part = encpart.get_payload(0)
assert rfc822part.get_content_type() == "text/rfc822-headers"
rfc822body = "Subject: %s\n" % (SUBJECT,)
assert rfc822part.get_payload() == rfc822body
assert encpart.get_payload(1).get_payload() == BODY+'\n'
def test_pgp_signed_mime():
msg = parser.parsestr(EMAIL)
signer = Signer()
conf = ProtectConfig(openpgp=signer)
encmsg = protect(msg, encrypt=False, config=conf)
b64body = b64encode(six.b(BODY+'\n'))
assert six.b(encmsg.get_payload(0).get_payload()) == b64body
assert encmsg.get_payload(1).get_payload() == signer.signature
assert get_body(signer.data) == b64body.decode('utf-8')
assert encmsg.get_content_type() == "multipart/signed"
def test_signed_headers():
msg = parser.parsestr(EMAIL)
signer = Signer()
conf = ProtectConfig(openpgp=signer)
signmsg = protect(msg, encrypt=False, config=conf)
assert signmsg['from'] == FROM
assert signmsg['to'] == TO
assert signmsg['subject'] == SUBJECT
signedpart = signmsg.get_payload(0)
assert signedpart['from'] == FROM
assert signedpart['to'] == TO
assert signedpart['subject'] == SUBJECT
def get_body(data):
return parser.parsestr(data).get_payload()
@implementer(IOpenPGP)
class Encrypter(object):
encstr = "this is encrypted"
def encrypt(self, data, encraddr):
self.data = data
self.encraddr = encraddr
return self.encstr
@implementer(IOpenPGP)
class Signer(object):
signature = "this is a signature"
def sign(self, data):
self.data = data
return self.signature
|
