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fix: [Mails] refactor Mail module
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Terrtia
parent
8c864fdba0
commit
0a525f369e
1 changed files with 153 additions and 97 deletions
250
bin/Mail.py
250
bin/Mail.py
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@ -2,12 +2,12 @@
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# -*-coding:UTF-8 -*
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"""
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The Mail Module
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The Mails Module
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======================
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This module is consuming the Redis-list created by the Categ module.
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It apply mail regexes on paste content and warn if above a threshold.
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It apply mail regexes on item content and warn if above a threshold.
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"""
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@ -17,18 +17,16 @@ import sys
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import redis
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import time
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import datetime
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import dns.resolver
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import dns.exception
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from packages import Paste
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from packages import lib_refine
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from pubsublogger import publisher
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from Helper import Process
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from pyfaup.faup import Faup
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from Helper import Process
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages'))
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import Item
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## REGEX TIMEOUT ##
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import signal
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class TimeoutException(Exception):
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@ -39,6 +37,87 @@ def timeout_handler(signum, frame):
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signal.signal(signal.SIGALRM, timeout_handler)
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max_execution_time = 30
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## -- ##
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages'))
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import Item
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib/'))
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import ConfigLoader
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## LOAD CONFIG ##
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config_loader = ConfigLoader.ConfigLoader()
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server_statistics = config_loader.get_redis_conn("ARDB_Statistics")
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r_serv_cache = config_loader.get_redis_conn("Redis_Cache")
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dns_server = config_loader.get_config_str('Mail', 'dns')
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config_loader = None
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## -- ##
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def is_mxdomain_in_cache(mxdomain):
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return r_serv_cache.exists('mxdomain:{}'.format(mxdomain))
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def save_mxdomain_in_cache(mxdomain):
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r_serv_cache.setex(mxdomain, 1, datetime.timedelta(days=1))
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def check_mx_record(set_mxdomains, dns_server):
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"""Check if emails MX domains are responding.
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:param adress_set: -- (set) This is a set of emails domains
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:return: (int) Number of adress with a responding and valid MX domains
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"""
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resolver = dns.resolver.Resolver()
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resolver.nameservers = [dns_server]
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resolver.timeout = 5.0
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resolver.lifetime = 2.0
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valid_mxdomain = []
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for mxdomain in set_mxdomains:
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# check if is in cache
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# # TODO:
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if is_mxdomain_in_cache(mxdomain):
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valid_mxdomain.append(mxdomain)
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else:
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# DNS resolution
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try:
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answers = resolver.query(mxdomain, rdtype=dns.rdatatype.MX)
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if answers:
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save_mxdomain_in_cache(mxdomain)
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valid_mxdomain.append(mxdomain)
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# DEBUG
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# print('---')
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# print(answers.response)
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# print(answers.qname)
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# print(answers.rdtype)
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# print(answers.rdclass)
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# print(answers.nameserver)
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# print()
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except dns.resolver.NoNameservers:
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publisher.debug('NoNameserver, No non-broken nameservers are available to answer the query.')
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print('NoNameserver, No non-broken nameservers are available to answer the query.')
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except dns.resolver.NoAnswer:
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publisher.debug('NoAnswer, The response did not contain an answer to the question.')
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print('NoAnswer, The response did not contain an answer to the question.')
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except dns.name.EmptyLabel:
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publisher.debug('SyntaxError: EmptyLabel')
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print('SyntaxError: EmptyLabel')
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except dns.resolver.NXDOMAIN:
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#save_mxdomain_in_cache(mxdomain)
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publisher.debug('The query name does not exist.')
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print('The query name does not exist.')
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except dns.name.LabelTooLong:
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publisher.debug('The Label is too long')
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print('The Label is too long')
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except dns.exception.Timeout:
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print('dns timeout')
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#save_mxdomain_in_cache(mxdomain)
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except Exception as e:
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print(e)
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return valid_mxdomain
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if __name__ == "__main__":
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publisher.port = 6380
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@ -49,115 +128,92 @@ if __name__ == "__main__":
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faup = Faup()
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p = Process(config_section)
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addr_dns = p.config.get("Mail", "dns")
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# REDIS #
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r_serv_cache = redis.StrictRedis(
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host=p.config.get("Redis_Cache", "host"),
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port=p.config.getint("Redis_Cache", "port"),
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db=p.config.getint("Redis_Cache", "db"),
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decode_responses=True)
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# ARDB #
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server_statistics = redis.StrictRedis(
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host=p.config.get("ARDB_Statistics", "host"),
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port=p.config.getint("ARDB_Statistics", "port"),
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db=p.config.getint("ARDB_Statistics", "db"),
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decode_responses=True)
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publisher.info("Mails module started")
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# FUNCTIONS #
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publisher.info("Suscribed to channel mails_categ")
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# Numbers of Mails needed to Tags
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mail_threshold = 10
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# FIXME For retro compatibility
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channel = 'mails_categ'
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prec_item_id = None
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# Log as critical if there are more that that amout of valid emails
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is_critical = 10
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max_execution_time = 30
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email_regex = "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}"
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MX_values = None
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while True:
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message = p.get_from_set()
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#message = p.get_from_set()
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message = 'archive/pastebin.com_pro/2020/02/07/Fnz1wUim.gz 3'
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if message is not None:
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item_id, score = message.split()
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if prec_item_id is None or item_id != prec_item_id:
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PST = Paste.Paste(item_id)
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item_content = Item.get_item_content(item_id)
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item_date = Item.get_item_date(item_id)
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# max execution time on regex
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signal.alarm(max_execution_time)
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try:
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l_mails = re.findall(email_regex, Item.get_item_content(item_id))
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except TimeoutException:
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p.incr_module_timeout_statistic() # add encoder type
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err_mess = "Mail: processing timeout: {}".format(item_id)
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print(err_mess)
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publisher.info(err_mess)
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continue
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else:
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signal.alarm(0)
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# Get all emails address
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signal.alarm(max_execution_time)
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try:
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all_emails = re.findall(email_regex, item_content)
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except TimeoutException:
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p.incr_module_timeout_statistic()
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err_mess = "Mails: processing timeout: {}".format(item_id)
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print(err_mess)
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publisher.info(err_mess)
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continue
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else:
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signal.alarm(0)
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l_mails = list(set(l_mails))
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# filtering duplicate
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all_emails = set(all_emails)
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# max execution time on regex
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signal.alarm(max_execution_time)
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try:
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# Transforming the set into a string
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MXdomains = re.findall("@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,20}", str(l_mails).lower())
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except TimeoutException:
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p.incr_module_timeout_statistic() # add encoder type
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err_mess = "Mail: processing timeout: {}".format(item_id)
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print(err_mess)
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publisher.info(err_mess)
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continue
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else:
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signal.alarm(0)
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# get MXdomains
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set_mxdomains = set()
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dict_mxdomains_email = {}
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for email in all_emails:
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mxdomain = email.split('@')[1].lower()
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if not mxdomain in dict_mxdomains_email:
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dict_mxdomains_email[mxdomain] = []
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set_mxdomains.add(mxdomain)
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dict_mxdomains_email[mxdomain].append(email)
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MX_values = lib_refine.checking_MX_record(r_serv_cache, MXdomains, addr_dns)
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## TODO: add MAIL trackers
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if MX_values[0] >= 1:
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print(all_emails)
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print()
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PST.__setattr__(channel, MX_values)
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PST.save_attribute_redis(channel, (MX_values[0],
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list(MX_values[1])))
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valid_mx = check_mx_record(set_mxdomains, dns_server)
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print(valid_mx)
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to_print = 'Mails;{};{};{};Checked {} e-mail(s);{}'.\
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format(PST.p_source, PST.p_date, PST.p_name,
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MX_values[0], PST.p_rel_path)
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if MX_values[0] > is_critical:
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publisher.warning(to_print)
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#Send to duplicate
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p.populate_set_out(item_id, 'Duplicate')
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num_valid_email = 0
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for domain_mx in valid_mx:
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num_valid_email += len(dict_mxdomains_email[domain_mx])
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msg = 'infoleak:automatic-detection="mail";{}'.format(item_id)
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p.populate_set_out(msg, 'Tags')
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for email in dict_mxdomains_email[domain_mx]:
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msg = 'mail;{};{};{}'.format(1, email, item_date)
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p.populate_set_out(msg, 'ModuleStats')
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#create country statistics
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date = datetime.datetime.now().strftime("%Y%m")
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for mail in MX_values[1]:
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print('mail;{};{};{}'.format(MX_values[1][mail], mail, PST.p_date))
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p.populate_set_out('mail;{};{};{}'.format(MX_values[1][mail], mail, PST.p_date), 'ModuleStats')
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# Create country stats
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faup.decode(email)
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tld = faup.get()['tld']
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try:
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tld = tld.decode()
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except:
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pass
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server_statistics.hincrby('mail_by_tld:{}'.format(item_date), tld, 1)
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msg = 'Mails;{};{};{};Checked {} e-mail(s);{}'.format(Item.get_source(item_id), item_date, Item.get_item_basename(item_id), num_valid_email, item_id)
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print(msg)
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if num_valid_email > mail_threshold:
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publisher.warning(msg)
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#Send to duplicate
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p.populate_set_out(item_id, 'Duplicate')
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#tags
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msg = 'infoleak:automatic-detection="mail";{}'.format(item_id)
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p.populate_set_out(msg, 'Tags')
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else:
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publisher.info(msg)
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time.sleep(30)
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faup.decode(mail)
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tld = faup.get()['tld']
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try:
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tld = tld.decode()
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except:
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pass
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server_statistics.hincrby('mail_by_tld:'+date, tld, MX_values[1][mail])
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else:
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publisher.info(to_print)
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#create country statistics
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for mail in MX_values[1]:
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print('mail;{};{};{}'.format(MX_values[1][mail], mail, PST.p_date))
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p.populate_set_out('mail;{};{};{}'.format(MX_values[1][mail], mail, PST.p_date), 'ModuleStats')
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prec_item_id = item_id
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else:
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publisher.debug("Script Mails is Idling 10s")
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print('Sleeping')
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time.sleep(10)
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