获取域名SSL证书过期时间

获取域名ssl证书过期时间

import re
import sys
import time
import subprocess
from datetime import datetime
from io import StringIO

def main(domain):
    f = StringIO()
    comm = f\"curl -Ivs https://{domain} --connect-timeout 10\"

    result = subprocess.getstatusoutput(comm)
    f.write(result[1])

    try:
        m = re.search('start date: (.*?)\\n.*?expire date: (.*?)\\n.*?common name: (.*?)\\n.*?issuer: CN=(.*?)\\n', f.getvalue(), re.S)
        start_date = m.group(1)
        expire_date = m.group(2)
        common_name = m.group(3)
        issuer = m.group(4)
    except Exception as e:
        return 999999999

  # time 字符串转时间数组
  start_date = time.strptime(start_date, \"%b %d %H:%M:%S %Y GMT\")
  start_date_st = time.strftime(\"%Y-%m-%d %H:%M:%S\", start_date)
  # datetime 字符串转时间数组
  expire_date = datetime.strptime(expire_date, \"%b %d %H:%M:%S %Y GMT\")
  expire_date_st = datetime.strftime(expire_date,\"%Y-%m-%d %H:%M:%S\")

  # 剩余天数
  remaining = (expire_date-datetime.now()).days

  return remaining

if __name__ == \"__main__\":
    domain = sys.argv[1]
    remaining_days = main(domain)
    print(remaining_day)