pybl/py-squid-blacklists.py

91 lines
2.4 KiB
Python
Executable File

#!/usr/bin/env python2.7
import sys
import os
import re
import time
from urlparse import urlparse
try:
import config
except ImportError:
print("Please create config.py using config.py.sample")
exit()
try:
import cdb
except ImportError:
print("Please install python-cdb from pypi or via package manager")
exit()
class PySquidBlacklists:
def __init__(self, config):
self.db_backend = config.db_backend
self.categories = config.categories
self.base_dir = config.base_dir
self.domain_files = [os.path.join(dp, f) for dp, dn, fn in os.walk(os.path.expanduser(self.base_dir)) for f in
fn if re.match(r"domains*", f)]
self.blacklist_files = self.make_list()
self.cache = self.make_db()
def make_list(self):
blacklists = []
for l in self.domain_files:
splitlist = l.split("/")
list_type = splitlist[len(splitlist) - 2]
blacklists.append([list_type, l])
return blacklists
def make_db(self):
lib = dict()
for bls in self.blacklist_files:
if self.db_backend == "ram":
if bls[0] in self.categories:
cache = dict()
f = open(bls[1], "r")
for l in f:
cache[l.strip("\n")] = True
lib[bls[0]] = cache
del cache
return lib
def compare(self, outline):
result = False
for blacklist in self.cache:
tmpline = outline
while not result and tmpline != "":
try:
result = self.cache[blacklist][tmpline]
pass
except KeyError:
pass
tmpline = tmpline.partition('.')[2]
return result
@staticmethod
def response(r):
sys.stdout.write("%s\n" % r)
sys.stdout.flush()
class PySquidBlacklistsImporter:
def __init__(self, conf):
self.test = True
self.db = conf.db_backend
bli = PySquidBlacklistsImporter(config)
bl = PySquidBlacklists(config)
while True:
try:
line = sys.stdin.readline().strip()
if line == "":
exit()
outline = urlparse(line).netloc
if line:
if bl.compare(outline):
bl.response("OK")
else:
bl.response("ERR")
except IOError:
pass