Check STARTTLS status of given domain

check_tls.py

#!/usr/bin/env python
# encoding: utf-8

"""
The MIT License (MIT)

Copyright (c) <2014> <Meng Zhou [email protected]>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""
import datetime
import csv
import requests
from lxml import html

API = 'http://www.checktls.com/perl/TestReceiver.pl'

def check_tls(domain):
    """Check given domain STARTTLS status

       :params domain: This domain you wish to check
    """
    resp = requests.post(API,
                      {'LEVEL':'4', 
                       'EMAIL':'admin@%s' % domain,
                       'TIMEOUT':"60"})
    parsed = html.fromstring(resp.text)

    result_list = [(lambda x: x and x[:-1].isdigit() and int(x[:-1]))(x.text)
                   for x in parsed.get_element_by_id('Matrix')\
                                  .find_class('totalrow')[0].findall('td')]

    return dict(zip(['can_use', 'tls_adv', 'cert_ok', 'tls_neg'], result_list[4:]))

def check_multi_domains(domains_file):

    log = open("%s.log" % datetime.datetime.now(), 'wb+')
    writer = csv.writer(log)
    with open(domains_file) as f:
        
        for domain in f.readlines():
            domain = domain.strip()
            print 'checking.....'+domain
            ch = check_tls(domain)

            if ch['cert_ok'] == 100:
                result = u'通过'
            elif ch['cert_ok'] < 100 and ch['tls_neg'] > 0:
                result = u'证书不安全'
            else:
                result = u'无证书'
            print "%s %s" % (domain, result)
            writer.writerow((domain.encode('utf8'), result.encode('utf8')))

            log.flush()

        log.close()

if __name__ == '__main__':
    import sys
    method = sys.argv[1]
    if method == '-d':
        print check_tls(sys.argv[2])
    elif method == '-f':
        check_multi_domains(sys.argv[2])
    else:
        print "-d domain or -f file check list"