mirror of
https://github.com/adulau/DomainClassifier.git
synced 2024-09-07 22:09:07 +00:00
chg: [domclassifier] add dns records redis cache + regex timeout
This commit is contained in:
parent
c769bba999
commit
75a546bc3e
4 changed files with 103 additions and 38 deletions
|
@ -1 +1 @@
|
|||
__version__ = "1.0"
|
||||
__version__ = "1.1"
|
||||
|
|
|
@ -7,10 +7,15 @@ attributes.
|
|||
import re
|
||||
import dns.resolver
|
||||
import IPy
|
||||
import redis
|
||||
import socket
|
||||
import time
|
||||
from datetime import date, timedelta
|
||||
import os
|
||||
import sys
|
||||
from uuid import uuid4
|
||||
|
||||
from multiprocessing import Process as Proc
|
||||
|
||||
try:
|
||||
# python 3
|
||||
|
@ -24,9 +29,9 @@ try:
|
|||
except:
|
||||
print("pybgpranking is not installed - ranking of ASN values won't be possible")
|
||||
__author__ = "Alexandre Dulaunoy"
|
||||
__copyright__ = "Copyright 2012-2021, Alexandre Dulaunoy"
|
||||
__copyright__ = "Copyright 2012-2024, Alexandre Dulaunoy"
|
||||
__license__ = "AGPL version 3"
|
||||
__version__ = "0.9"
|
||||
__version__ = "1.1"
|
||||
|
||||
|
||||
class Extract:
|
||||
|
@ -35,7 +40,7 @@ class Extract:
|
|||
from a rawtext stream. When call, the rawtext parameter is a string
|
||||
containing the raw data to be process."""
|
||||
|
||||
def __init__(self, rawtext=None, nameservers=['8.8.8.8'], port=53):
|
||||
def __init__(self, rawtext=None, nameservers=['8.8.8.8'], port=53, redis_host='', redis_port=6379, redis_db=0, expire_time=3600, re_timeout=-1):
|
||||
self.rawtext = rawtext
|
||||
self.presolver = dns.resolver.Resolver()
|
||||
self.presolver.nameservers = nameservers
|
||||
|
@ -44,6 +49,17 @@ class Extract:
|
|||
self.bgprankingserver = 'pdns.circl.lu'
|
||||
self.vdomain = []
|
||||
self.listtld = []
|
||||
|
||||
self.re_domain = re.compile(r'\b([a-zA-Z\d-]{,63}(\.[a-zA-Z\d-]{,63})+)\b')
|
||||
|
||||
if redis_host and redis_port:
|
||||
self.redis = redis.StrictRedis(host=redis_host, port=redis_port, db=redis_db, decode_responses=True)
|
||||
self.uuid = str(uuid4())
|
||||
self.re_timeout = re_timeout
|
||||
else:
|
||||
self.redis = None
|
||||
self.expire_time = expire_time
|
||||
|
||||
self.domain = self.potentialdomain()
|
||||
|
||||
"""__origin is a private function to the ASN lookup for an IP address via
|
||||
|
@ -123,7 +139,32 @@ class Extract:
|
|||
|
||||
return self.cleandomain
|
||||
|
||||
def text(self, rawtext=False):
|
||||
def __re_findall(self, rawtext):
|
||||
for x in re.findall(self.re_domain, rawtext):
|
||||
if x[0]:
|
||||
self.redis.sadd('cache:regex:{}'.format(self.uuid), x[0])
|
||||
self.redis.expire('cache:regex:{}'.format(self.uuid), 360)
|
||||
|
||||
def __regex_findall(self, rawtext, timeout):
|
||||
proc = Proc(target=self.__re_findall, args=(rawtext,))
|
||||
try:
|
||||
proc.start()
|
||||
proc.join(timeout)
|
||||
if proc.is_alive():
|
||||
proc.terminate()
|
||||
print('regex: processing timeout')
|
||||
return []
|
||||
else:
|
||||
domains = self.redis.smembers('cache:regex:{}'.format(self.uuid))
|
||||
self.redis.delete('cache:regex:{}'.format(self.uuid))
|
||||
proc.terminate()
|
||||
return domains
|
||||
except KeyboardInterrupt:
|
||||
print("Caught KeyboardInterrupt, terminating workers")
|
||||
proc.terminate()
|
||||
sys.exit(0)
|
||||
|
||||
def text(self, rawtext=''):
|
||||
if rawtext:
|
||||
self.rawtext = rawtext
|
||||
self.domain = self.potentialdomain()
|
||||
|
@ -132,16 +173,19 @@ class Extract:
|
|||
return False
|
||||
|
||||
"""potentialdomain method extracts potential domains matching any
|
||||
string that is a serie of string with maximun 63 character separated by a
|
||||
string that is a serie of string with maximum 63 character separated by a
|
||||
dot. The method used the rawtext defined at the instantiation of the class.
|
||||
This return a list of a potential domain."""
|
||||
|
||||
def potentialdomain(self, validTLD=True):
|
||||
self.domain = []
|
||||
domain = re.compile(r'\b([a-zA-Z\d-]{,63}(\.[a-zA-Z\d-]{,63})+)\b')
|
||||
for x in domain.findall(self.rawtext):
|
||||
if x[0]:
|
||||
self.domain.append(x[0])
|
||||
if self.re_timeout > 0 and self.redis:
|
||||
self.domain = list(self.__regex_findall(self.rawtext, self.re_timeout))
|
||||
else:
|
||||
domains = self.re_domain.findall(self.rawtext)
|
||||
for x in domains:
|
||||
if x[0]:
|
||||
self.domain.append(x[0])
|
||||
if validTLD:
|
||||
self.domain = self.__listtld()
|
||||
return self.domain
|
||||
|
@ -164,34 +208,54 @@ class Extract:
|
|||
self.vdomain = []
|
||||
|
||||
for domain in self.domain:
|
||||
for dnstype in rtype:
|
||||
try:
|
||||
answers = self.presolver.query(domain, dnstype)
|
||||
except:
|
||||
pass
|
||||
else:
|
||||
# Pasive DNS output
|
||||
# timestamp||dns-client ||dns-server||RR class||Query||Query Type||Answer||TTL||Count
|
||||
if passive_dns:
|
||||
rrset = answers.rrset.to_text().splitlines()
|
||||
for dns_resp in rrset:
|
||||
dns_resp = dns_resp.split()
|
||||
passive_dns_out = (
|
||||
'{}||127.0.0.1||{}||{}||{}||{}||{}||{}||1\n'.format(
|
||||
time.time(),
|
||||
self.presolver.nameservers[0],
|
||||
dns_resp[2],
|
||||
domain,
|
||||
dnstype,
|
||||
dns_resp[4],
|
||||
answers.ttl,
|
||||
)
|
||||
)
|
||||
self.vdomain.add((passive_dns_out))
|
||||
elif extended:
|
||||
self.vdomain.append((domain, dnstype, answers[0]))
|
||||
if self.redis:
|
||||
if self.redis.exists('dom_class:cache:{}'.format(domain)):
|
||||
passive_dns_out = self.redis.smembers('dom_class:cache:{}'.format(domain))
|
||||
for out in passive_dns_out:
|
||||
if extended:
|
||||
out = tuple(out.split('[^]', 2))
|
||||
self.vdomain.append(out)
|
||||
else:
|
||||
self.vdomain.add(out)
|
||||
else:
|
||||
|
||||
for dnstype in rtype:
|
||||
try:
|
||||
answers = self.presolver.query(domain, dnstype)
|
||||
except:
|
||||
pass
|
||||
else:
|
||||
self.vdomain.add((domain))
|
||||
# Passive DNS output
|
||||
# timestamp||dns-client ||dns-server||RR class||Query||Query Type||Answer||TTL||Count
|
||||
if passive_dns:
|
||||
rrset = answers.rrset.to_text().splitlines()
|
||||
for dns_resp in rrset:
|
||||
dns_resp = dns_resp.split()
|
||||
passive_dns_out = (
|
||||
'{}||127.0.0.1||{}||{}||{}||{}||{}||{}||1\n'.format(
|
||||
time.time(),
|
||||
self.presolver.nameservers[0],
|
||||
dns_resp[2],
|
||||
domain,
|
||||
dnstype,
|
||||
dns_resp[4],
|
||||
answers.ttl,
|
||||
)
|
||||
)
|
||||
self.vdomain.add((passive_dns_out))
|
||||
if self.redis:
|
||||
self.redis.sadd('dom_class:cache:{}'.format(domain), passive_dns_out)
|
||||
self.redis.expire('dom_class:cache:{}'.format(domain), self.expire_time)
|
||||
elif extended:
|
||||
self.vdomain.append((domain, dnstype, answers[0]))
|
||||
if self.redis:
|
||||
self.redis.sadd('dom_class:cache:{}'.format(domain), '{}[^]{}[^]{}'.format(domain, dnstype, answers[0]))
|
||||
self.redis.expire('dom_class:cache:{}'.format(domain), self.expire_time)
|
||||
else:
|
||||
self.vdomain.add((domain))
|
||||
if self.redis:
|
||||
self.redis.sadd('dom_class:cache:{}'.format(domain), domain)
|
||||
self.redis.expire('dom_class:cache:{}'.format(domain), self.expire_time)
|
||||
return self.vdomain
|
||||
|
||||
"""ipaddress method extracts from the domain list the valid IPv4 addresses"""
|
||||
|
|
|
@ -1,3 +1,4 @@
|
|||
IPy
|
||||
dnspython
|
||||
git+https://github.com/D4-project/BGP-Ranking.git/#egg=pybgpranking&subdirectory=client
|
||||
redis
|
||||
|
|
2
setup.py
2
setup.py
|
@ -1,7 +1,7 @@
|
|||
from setuptools import setup, find_packages
|
||||
setup(
|
||||
name="DomainClassifier",
|
||||
version="1.0",
|
||||
version="1.1",
|
||||
packages=find_packages(),
|
||||
install_requires=['dnspython', 'IPy', 'pybgpranking'],
|
||||
dependency_links=[
|
||||
|
|
Loading…
Reference in a new issue