119 lines
3.6 KiB
Python
Executable File
119 lines
3.6 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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class PySquidBlacklists:
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def __init__(self, config):
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self.db_backend = config.db_backend
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self.categories = config.categories
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self.base_dir = config.base_dir
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self.domain_files = [os.path.join(dp, f) for dp, dn, fn in os.walk(os.path.expanduser(self.base_dir)) for f in
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fn if re.match(r"domains*", f)]
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self.blacklist_files = self.make_list()
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if self.db_backend == "ram":
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self.cache = self.make_ram_db()
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elif self.db_backend == "cdb":
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self.cache = self.make_cdb_db()
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self.loop()
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def make_list(self):
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blacklists = []
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for l in self.domain_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_ram_db(self):
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lib = dict()
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for bls in self.blacklist_files:
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if self.db_backend == "ram":
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if bls[0] in self.categories:
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cache = dict()
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f = open(bls[1], "r")
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for l in f:
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cache[l.strip("\n")] = True
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lib[bls[0]] = cache
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del cache
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return lib
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def make_cdb_db(self):
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lib = []
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for bl in self.blacklist_files:
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bl_cdb_file = ("%s/%s.cdb" % (self.base_dir, bl[0]))
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bl_cdb_file_tmp = ("%s/%s.tmp" % (self.base_dir, bl[0]))
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if (bl[0] in self.categories):
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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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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 domain_compare(self, outline):
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global cdb_file
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result = False
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for blacklist in self.cache:
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tmpline = outline
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if self.db_backend == "ram":
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pass
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elif self.db_backend == "cdb":
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cdb_file = cdb.init(blacklist)
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while not result and tmpline != "":
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try:
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if self.db_backend == "ram":
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result = self.cache[blacklist][tmpline]
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elif self.db_backend == "cdb":
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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 loop(self):
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while True:
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try:
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line = sys.stdin.readline().strip()
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if line == "":
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exit()
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outline = urlparse(line).netloc
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if line:
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if self.domain_compare(outline):
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self.response("OK")
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else:
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self.response("ERR")
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except IOError:
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pass
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@staticmethod
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def response(r):
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sys.stdout.write("%s\n" % r)
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sys.stdout.flush()
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class PySquidBlacklistsImporter:
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def __init__(self, conf):
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self.test = True
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self.db = conf.db_backend
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bl = PySquidBlacklists(config)
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