f1bafd194a 2010-03-18 1: #!/usr/bin/env python3.1
f1bafd194a 2010-03-18 2:
f1bafd194a 2010-03-18 3: import configparser, csv, optparse, os, postgresql.api, sys
f1bafd194a 2010-03-18 4:
f1bafd194a 2010-03-18 5: # wrapper around syslog, can be muted
f1bafd194a 2010-03-18 6: class Logger:
f1bafd194a 2010-03-18 7: __slots__ = frozenset(['_syslog'])
f1bafd194a 2010-03-18 8:
f1bafd194a 2010-03-18 9: def __init__(self):
f1bafd194a 2010-03-18 10: config.section('log')
f1bafd194a 2010-03-18 11: if config['silent'] == 'yes':
f1bafd194a 2010-03-18 12: self._syslog = None
f1bafd194a 2010-03-18 13: else:
f1bafd194a 2010-03-18 14: import syslog
f1bafd194a 2010-03-18 15: self._syslog = syslog
f1bafd194a 2010-03-18 16: self._syslog.openlog('squidTag')
f1bafd194a 2010-03-18 17:
f1bafd194a 2010-03-18 18: def info(self, message):
f1bafd194a 2010-03-18 19: if self._syslog:
f1bafd194a 2010-03-18 20: self._syslog.syslog(self._syslog.LOG_INFO, message)
f1bafd194a 2010-03-18 21:
f1bafd194a 2010-03-18 22: def notice(self, message):
f1bafd194a 2010-03-18 23: if self._syslog:
f1bafd194a 2010-03-18 24: self._syslog.syslog(self._syslog.LOG_NOTICE, message)
f1bafd194a 2010-03-18 25:
f1bafd194a 2010-03-18 26: # wrapper around database
f1bafd194a 2010-03-18 27: class tagDB:
f1bafd194a 2010-03-18 28: __slots__ = frozenset(['_prepared', '_dump_stmt', '_db'])
f1bafd194a 2010-03-18 29:
f1bafd194a 2010-03-18 30: def __init__(self):
f1bafd194a 2010-03-18 31: self._prepared = set()
f1bafd194a 2010-03-18 32: self._db = False
c27c7eb208 2010-03-22 33: self._dump_stmt = self._curs().prepare("select untrip(site), tag, regexp from urls natural join site natural join tag order by site, tag")
f1bafd194a 2010-03-18 34:
f1bafd194a 2010-03-18 35: def _curs(self):
f1bafd194a 2010-03-18 36: if not self._db:
f1bafd194a 2010-03-18 37: config.section('database')
f1bafd194a 2010-03-18 38: self._db = postgresql.open(
f1bafd194a 2010-03-18 39: 'pq://{}:{}@{}/{}'.format(
f1bafd194a 2010-03-18 40: config['user'],
f1bafd194a 2010-03-18 41: config['password'],
f1bafd194a 2010-03-18 42: config['host'],
f1bafd194a 2010-03-18 43: config['database'],
f1bafd194a 2010-03-18 44: ) )
f1bafd194a 2010-03-18 45: return(self._db)
f1bafd194a 2010-03-18 46:
f1bafd194a 2010-03-18 47: def dump(self):
f1bafd194a 2010-03-18 48: return(self._dump_stmt())
f1bafd194a 2010-03-18 49:
f1bafd194a 2010-03-18 50: # this classes processes config file and substitutes default values
f1bafd194a 2010-03-18 51: class Config:
f1bafd194a 2010-03-18 52: __slots__ = frozenset(['_config', '_default', '_section'])
f1bafd194a 2010-03-18 53: _default = {
f1bafd194a 2010-03-18 54: 'reactor': {
f1bafd194a 2010-03-18 55: 'reactor': 'thread',
f1bafd194a 2010-03-18 56: },
f1bafd194a 2010-03-18 57: 'log': {
f1bafd194a 2010-03-18 58: 'silent': 'no',
f1bafd194a 2010-03-18 59: },
f1bafd194a 2010-03-18 60: 'database': {
f1bafd194a 2010-03-18 61: 'host': 'localhost',
f1bafd194a 2010-03-18 62: 'database': 'squidTag',
f1bafd194a 2010-03-18 63: },}
f1bafd194a 2010-03-18 64:
f1bafd194a 2010-03-18 65: # function to read in config file
f1bafd194a 2010-03-18 66: def __init__(self):
f1bafd194a 2010-03-18 67: parser = optparse.OptionParser()
f1bafd194a 2010-03-18 68: parser.add_option('-c', '--config', dest = 'config',
f1bafd194a 2010-03-18 69: help = 'config file location', metavar = 'FILE',
f1bafd194a 2010-03-18 70: default = '/usr/local/etc/squid-tagger.conf')
f1bafd194a 2010-03-18 71:
f1bafd194a 2010-03-18 72: (options, args) = parser.parse_args()
f1bafd194a 2010-03-18 73:
f1bafd194a 2010-03-18 74: if not os.access(options.config, os.R_OK):
f1bafd194a 2010-03-18 75: print("Can't read {}: exitting".format(options.config))
f1bafd194a 2010-03-18 76: sys.exit(2)
f1bafd194a 2010-03-18 77:
f1bafd194a 2010-03-18 78: self._config = configparser.ConfigParser()
f1bafd194a 2010-03-18 79: self._config.readfp(open(options.config))
f1bafd194a 2010-03-18 80:
f1bafd194a 2010-03-18 81: # function to select config file section or create one
f1bafd194a 2010-03-18 82: def section(self, section):
f1bafd194a 2010-03-18 83: if not self._config.has_section(section):
f1bafd194a 2010-03-18 84: self._config.add_section(section)
f1bafd194a 2010-03-18 85: self._section = section
f1bafd194a 2010-03-18 86:
f1bafd194a 2010-03-18 87: # function to get config parameter, if parameter doesn't exists the default
f1bafd194a 2010-03-18 88: # value or None is substituted
f1bafd194a 2010-03-18 89: def __getitem__(self, name):
f1bafd194a 2010-03-18 90: if not self._config.has_option(self._section, name):
f1bafd194a 2010-03-18 91: if self._section in self._default:
f1bafd194a 2010-03-18 92: if name in self._default[self._section]:
f1bafd194a 2010-03-18 93: self._config.set(self._section, name, self._default[self._section][name])
f1bafd194a 2010-03-18 94: else:
f1bafd194a 2010-03-18 95: self._config.set(self._section, name, None)
f1bafd194a 2010-03-18 96: else:
f1bafd194a 2010-03-18 97: self._config.set(self._section, name, None)
f1bafd194a 2010-03-18 98: return(self._config.get(self._section, name))
f1bafd194a 2010-03-18 99:
f1bafd194a 2010-03-18 100: # initializing and reading in config file
f1bafd194a 2010-03-18 101: config = Config()
f1bafd194a 2010-03-18 102:
f1bafd194a 2010-03-18 103: tagdb = tagDB()
f1bafd194a 2010-03-18 104:
f1bafd194a 2010-03-18 105: csv_writer = csv.writer(sys.stdout)
f1bafd194a 2010-03-18 106: csv_writer.writerow(['site', 'tags', 'regexp'])
f1bafd194a 2010-03-18 107: for row in tagdb.dump():
f1bafd194a 2010-03-18 108: csv_writer.writerow([row[0], '{' + ','.join(row[1]) + '}', row[2]])