mirror of
https://github.com/ail-project/ail-framework.git
synced 2024-11-30 09:47:17 +00:00
119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
import re
|
|
import dns.resolver
|
|
|
|
from pubsublogger import publisher
|
|
|
|
from datetime import timedelta
|
|
|
|
|
|
def is_luhn_valid(card_number):
|
|
"""Apply the Luhn algorithm to validate credit card.
|
|
|
|
:param card_number: -- (int) card number
|
|
|
|
|
|
"""
|
|
r = [int(ch) for ch in str(card_number)][::-1]
|
|
return (sum(r[0::2]) + sum(sum(divmod(d*2, 10)) for d in r[1::2])) % 10 == 0
|
|
|
|
|
|
def checking_MX_record(r_serv, adress_set):
|
|
"""Check if emails MX domains are responding.
|
|
|
|
:param r_serv: -- Redis connexion database
|
|
:param adress_set: -- (set) This is a set of emails adress
|
|
:return: (int) Number of adress with a responding and valid MX domains
|
|
|
|
This function will split the email adress and try to resolve their domains
|
|
names: on example@gmail.com it will try to resolve gmail.com
|
|
|
|
"""
|
|
score = 0
|
|
num = len(adress_set)
|
|
WalidMX = set([])
|
|
# Transforming the set into a string
|
|
MXdomains = re.findall("@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,20}", str(adress_set).lower())
|
|
|
|
if MXdomains != []:
|
|
|
|
for MXdomain in set(MXdomains):
|
|
try:
|
|
# Already in Redis living.
|
|
if r_serv.exists(MXdomain[1:]):
|
|
score += 1
|
|
WalidMX.add(MXdomain[1:])
|
|
# Not already in Redis
|
|
else:
|
|
# If I'm Walid MX domain
|
|
if dns.resolver.query(MXdomain[1:], rdtype=dns.rdatatype.MX):
|
|
# Gonna be added in redis.
|
|
r_serv.setex(MXdomain[1:], timedelta(days=1), 1)
|
|
score += 1
|
|
WalidMX.add(MXdomain[1:])
|
|
else:
|
|
pass
|
|
|
|
except dns.resolver.NoNameservers:
|
|
publisher.debug('NoNameserver, No non-broken nameservers are available to answer the query.')
|
|
|
|
except dns.resolver.NoAnswer:
|
|
publisher.debug('NoAnswer, The response did not contain an answer to the question.')
|
|
|
|
except dns.name.EmptyLabel:
|
|
publisher.debug('SyntaxError: EmptyLabel')
|
|
|
|
except dns.resolver.NXDOMAIN:
|
|
publisher.debug('The query name does not exist.')
|
|
|
|
except dns.name.LabelTooLong:
|
|
publisher.debug('The Label is too long')
|
|
|
|
finally:
|
|
pass
|
|
|
|
publisher.debug("emails before: {0} after: {1} (valid)".format(num, score))
|
|
return (num, WalidMX)
|
|
|
|
|
|
def checking_A_record(r_serv, domains_set):
|
|
score = 0
|
|
num = len(domains_set)
|
|
WalidA = set([])
|
|
|
|
for Adomain in domains_set:
|
|
try:
|
|
# Already in Redis living.
|
|
if r_serv.exists(Adomain):
|
|
score += 1
|
|
WalidA.add(Adomain)
|
|
# Not already in Redis
|
|
else:
|
|
# If I'm Walid domain
|
|
if dns.resolver.query(Adomain, rdtype=dns.rdatatype.A):
|
|
# Gonna be added in redis.
|
|
r_serv.setex(Adomain, timedelta(days=1), 1)
|
|
score += 1
|
|
WalidA.add(Adomain)
|
|
else:
|
|
pass
|
|
|
|
except dns.resolver.NoNameservers:
|
|
publisher.debug('NoNameserver, No non-broken nameservers are available to answer the query.')
|
|
|
|
except dns.resolver.NoAnswer:
|
|
publisher.debug('NoAnswer, The response did not contain an answer to the question.')
|
|
|
|
except dns.name.EmptyLabel:
|
|
publisher.debug('SyntaxError: EmptyLabel')
|
|
|
|
except dns.resolver.NXDOMAIN:
|
|
publisher.debug('The query name does not exist.')
|
|
|
|
except dns.name.LabelTooLong:
|
|
publisher.debug('The Label is too long')
|
|
|
|
finally:
|
|
pass
|
|
|
|
publisher.debug("URLs before: {0} after: {1} (valid)".format(num, score))
|
|
return (num, WalidA)
|