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@Ikke
Last active September 10, 2017 11:05
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#!/bin/env python3
import sys
import os
import time
import datetime
from sh import openssl
from datetime import datetime as dt
if len(sys.argv) < 2:
print("Usage: ", sys.argv[0], " <domain>")
sys.exit(1)
domain = sys.argv[1]
if not domain:
print("Usage: ", sys.argv[0], " <domain>")
sys.exit(1)
cert = ""
found_cert = False
for line in openssl.s_client(*"-connect {0}:443 -servername {0}".format(domain).split(" "), _in=os.devnull):
if "-----END CERTIFICATE-----" in line:
cert += line
break
elif "-----BEGIN CERTIFICATE-----" in line:
found_cert = True
cert += line
elif found_cert == True:
cert += line
if found_cert == False or cert.strip() == "":
print(0)
sys.exit(0)
end_date = openssl.x509(*"-noout -enddate".split(" "), _in=cert).strip().split("=")[1]
# Mar 20 20:44:00 2016 GMT
delta = dt.strptime(end_date, "%b %d %H:%M:%S %Y %Z") - dt.utcnow()
print(delta.days)
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