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#!/usr/bin/env python3.1
import configparser, optparse, os, postgresql.api, re, sys, _thread
class Logger:
__slots__ = frozenset(['_silent', '_syslog'])
def __init__(self, silent = True):
if silent:
def __init__(self):
config.section('log')
if config['silent'] = 'yes':
self._silent = True
else:
import syslog
self._syslog = syslog
self._syslog.openlog('squidTag')
self._silent = False
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class tagDB:
__slots__ = frozenset(['_prepared', '_check_stmt', '_db'])
def __init__(self):
self._prepared = set()
self._db = False
self._check_stmt = self._curs().prepare("select redirect_url from site_rule where site <@ tripdomain($1) and netmask >> $2::text::inet limit 1")
self._check_stmt = self._curs().prepare("select redirect_url, regexp from site_rule where site <@ tripdomain($1) and netmask >> $2::text::inet order by array_length(site, 1) desc limit 1")
def _curs(self):
if not self._db:
config.section('database')
self._db = postgresql.open(
'pq://{0}:{1}@{2}/{3}'.format(
config['user'],
config['password'],
config['host'],
config['database'],
) )
return(self._db)
def check(self, ip_address, site):
result = self._check_stmt(site, ip_address)
if len(result) > 0:
if result[1]:
if re.compile(result[1]).match(url_path):
return result[0]
else:
return None
return result[0]
else:
return None
class CheckerThread:
__slots__ = frozenset(['_db', '_lock', '_lock_queue', '_log', '_queue'])
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parser.add_option('-c', '--config', dest = 'config',
help = 'config file location', metavar = 'FILE',
default = '/usr/local/etc/squid-tagger.conf')
(options, args) = parser.parse_args()
if not os.access(options.config, os.R_OK):
print("Can't read {0}: exitting".format(options.config))
print("Can't read {}: exitting".format(options.config))
sys.exit(2)
self._config = configparser.ConfigParser()
self._config.readfp(open(options.config))
def section(self, section):
self._section = section
def __getitem__(self, name):
return self._config.get(self._section, name)
config = Config()
log = Logger(False)
log = Logger()
db = tagDB()
checker = CheckerThread(db,log)
while True:
line = sys.stdin.readline()
if len(line) == 0:
break
checker.check(line)
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