hostnames registration application for I2P
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#!/usr/bin/python
import os
import sys
import argparse
import datetime
import time
import hashlib
import base64
import configobj
from i2p import samclasses
from i2p import socket
# parse command line options
parser = argparse.ArgumentParser(
description='Hosts checker for py-i2phosts.',
epilog='Report bugs to http://zzz.i2p/topics/733')
parser.add_argument('-d', '--debug', action='store_true',
help='write debug messages to stdout'),
parser.add_argument('-c', '--config', default='/etc/py-i2phosts/checker.conf', dest='config_file',
help='config file to use')
args = parser.parse_args()
# read config
config = configobj.ConfigObj(args.config_file)
if 'include' in config:
config_included = configobj.ConfigObj(config['include'])
config.merge(config_included)
# django setup
DJANGO_SETTINGS_MODULE = 'settings'
if config['DJANGO_PROJECT_PATH']:
DJANGO_PROJECT_PATH = config['DJANGO_PROJECT_PATH']
else:
DJANGO_PROJECT_PATH = os.path.dirname(sys.argv[0]) + '/web'
sys.path.insert(1, DJANGO_PROJECT_PATH)
os.environ['DJANGO_SETTINGS_MODULE'] = DJANGO_SETTINGS_MODULE
from web.postkey.models import i2phost
from web.lib.utils import get_logger
# configure logger
if args.debug == True:
log_level = 'debug'
log_file = None
else:
log_level = config['log_level']
log_file = config['log_file']
log = get_logger(log_level=log_level)
all_hosts = i2phost.objects.all()
S = samclasses.BaseSession('127.0.0.1:7656')
log.info('starting check')
for host in all_hosts:
log.debug('testing %s', host.name)
# get b32 address from full dest key
dest = host.b64hash
raw_key = base64.b64decode(dest.encode('utf-8'), '-~')
hash = hashlib.sha256(raw_key)
b32dest = base64.b32encode(hash.digest()).lower().replace('=', '')+'.b32.i2p'
# do name lookup query with b32 address
# it success only if host is alive
try:
a = S._namelookup(b32dest)
except socket.NetworkError, e:
log.debug('%s: %s', host.name, e.args[0][0])
continue
log.info('alive host: %s', host.name)
# update lastseen timestamp
host.last_seen = datetime.datetime.now()
host.save()
S.close()