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-rw-r--r--src/leap/crypto/certs.py15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/leap/crypto/certs.py b/src/leap/crypto/certs.py
index c2835878..cbb5725a 100644
--- a/src/leap/crypto/certs.py
+++ b/src/leap/crypto/certs.py
@@ -2,7 +2,9 @@ import logging
import os
from StringIO import StringIO
import ssl
+import time
+from dateutil.parser import parse
from OpenSSL import crypto
from leap.util.misc import null_check
@@ -33,7 +35,7 @@ def get_https_cert_from_domain(domain, port=443):
def get_cert_from_file(_file):
null_check(_file, "pem file")
- if isinstance(_file, str):
+ if isinstance(_file, (str, unicode)):
if not os.path.isfile(_file):
raise NoCertError
with open(_file) as f:
@@ -97,3 +99,14 @@ def get_cert_fingerprint(domain=None, port=443, filepath=None,
cert = get_cert_from_file(filepath)
hex_fpr = cert.digest(hash_type)
return hex_fpr
+
+
+def get_time_boundaries(certfile):
+ cert = get_cert_from_file(certfile)
+ null_check(cert, 'certificate')
+
+ fromts, tots = (cert.get_notBefore(), cert.get_notAfter())
+ from_, to_ = map(
+ lambda ts: time.gmtime(time.mktime(parse(ts).timetuple())),
+ (fromts, tots))
+ return from_, to_