81 lines
2.1 KiB
Python
Executable File
81 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python2.7
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import sys
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import os
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import re
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from urlparse import urlparse
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try:
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import config
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except ImportError:
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print("Please create config.py using config.py.sample")
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exit()
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try:
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import cdb
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except ImportError:
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print("Please install python-cdb from pypi or via package manager")
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exit()
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def make_list(files):
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blacklists = []
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for l in files:
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splitlist = l.split("/")
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list_type = splitlist[len(splitlist) - 2]
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blacklists.append([list_type, l])
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return blacklists
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def make_db(blacklist_files, config):
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lib = []
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for bl in blacklist_files:
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bl_cdb_file = ("%s/%s.cdb" % (config.blacklists_dir, bl[0]))
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bl_cdb_file_tmp = ("%s/%s.tmp" % (config.blacklists_dir, bl[0]))
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if (bl[0] in config.blacklists):
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if not os.path.isfile(bl_cdb_file):
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cdb_file = cdb.cdbmake(bl_cdb_file, bl_cdb_file_tmp)
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cache = dict()
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f = open(bl[1], "r")
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for line in f:
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cdb_file.add(line.strip("\n"), "True")
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cdb_file.finish()
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lib.append(bl_cdb_file)
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return lib
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def compare(outline, blacklist_cache):
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result = False
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for blacklist in blacklist_cache:
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cdb_file = cdb.init(blacklist)
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tmpline = outline
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while not result and tmpline != "":
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try:
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result = cdb_file[tmpline]
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pass
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except KeyError:
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pass
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tmpline = tmpline.partition('.')[2]
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return result
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def squid_response(response):
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sys.stdout.write("%s\n" % response)
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sys.stdout.flush()
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domain_files = [os.path.join(dp, f) for dp, dn, fn in os.walk(os.path.expanduser(config.blacklists_dir)) for f in fn if re.match(r"domains*", f)]
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blacklist_files = make_list(domain_files)
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blacklist_cache = make_db(blacklist_files, config)
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while True:
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try:
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line = sys.stdin.readline().strip()
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outline = urlparse(line).netloc
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if line:
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if compare(outline, blacklist_cache):
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squid_response("OK")
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else:
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squid_response("ERR")
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except KeyboardInterrupt:
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break |