blob: d81f39b170baf34332848b21aecede506f8b806f (
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
|
# -*- coding: utf-8 -*-
# keyring_helpers.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 <http://www.gnu.org/licenses/>.
"""
Keyring helpers.
"""
try:
import keyring
from keyring.backends.file import EncryptedKeyring, PlaintextKeyring
OBSOLETE_KEYRINGS = [
EncryptedKeyring,
PlaintextKeyring
]
canuse = lambda kr: (kr is not None
and kr.__class__ not in OBSOLETE_KEYRINGS)
except Exception:
# Problems when importing keyring! It might be a problem binding to the
# dbus socket, or stuff like that.
keyring = None
from leap.bitmask.logs.utils import get_logger
logger = get_logger()
def _get_keyring_with_fallback():
"""
Get the default keyring, and if obsolete try to pick SecretService keyring
if available.
This is a workaround for the cases in which the keyring module chooses
an insecure keyring by default (ie, inside a virtualenv).
"""
if keyring is None:
return None
kr = keyring.get_keyring()
if not canuse(kr):
logger.debug("No usable keyring found")
return None
logger.debug("Selected keyring: %s" % (kr.__class__,))
if not canuse(kr):
logger.debug("Not using default keyring since it is obsolete")
return kr
def has_keyring():
"""
Return whether we have an useful keyring to use.
:rtype: bool
"""
if keyring is None:
return False
kr = _get_keyring_with_fallback()
return canuse(kr)
def get_keyring():
"""
Return an usable keyring.
:rtype: keyringBackend or None
"""
if keyring is None:
return False
kr = _get_keyring_with_fallback()
return kr if canuse(kr) else None
|
