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
|
# Copyright (C) 2005-2014 Bastian Kleineidam
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
def x509_to_dict(x509):
"""Parse a x509 pyopenssl object to a dictionary with keys
subject, subjectAltName and optional notAfter.
"""
from cryptography.x509 import DNSName, SubjectAlternativeName
crypto_cert = x509.to_cryptography()
ext = crypto_cert.extensions.get_extension_for_class(SubjectAlternativeName)
res = {
'subject': ((('commonName', x509.get_subject().CN),),),
'subjectAltName': [
('DNS', value) for value in ext.value.get_values_for_type(DNSName)]
}
try:
# cryptography >= 42.0.0
notAfter = crypto_cert.not_valid_after_utc
except AttributeError:
notAfter = crypto_cert.not_valid_after
if notAfter is not None:
res['notAfter'] = notAfter.strftime('%b %d %H:%M:%S %Y GMT')
return res
def get_content_type(headers):
"""
Get the MIME type from the Content-Type header value, or
'application/octet-stream' if not found.
@return: MIME type
@rtype: string
"""
ptype = headers.get('Content-Type', 'application/octet-stream')
if ";" in ptype:
# split off not needed extension info
ptype = ptype.split(';')[0]
return ptype.strip().lower()
|
