hostnames registration application for I2P
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#!/usr/bin/python
import os
import sys
import argparse
import configobj
import datetime
from django.core.exceptions import ValidationError
# parse command line options
parser = argparse.ArgumentParser(
description='Hosts injector for py-i2phosts.',
epilog='Report bugs to https://github.com/i2phosts/py-i2phosts/issues')
parser.add_argument('-c', '--config', default='/etc/py-i2phosts/injector.conf', dest='config_file',
help='config file to use')
parser.add_argument('-f', '--file', dest='hostsfile',
help='hosts.txt for parsing')
parser.add_argument('-d', '--description', default='Auto-added from external hosts.txt',
help='provide custom description message')
parser.add_argument('-a', '--approve', action='store_true',
help='add hosts as approved')
parser.add_argument('-s', '--supress', action='store_true',
help='supress warnings about already existed hostnames'),
parser.add_argument('-q', '--quiet', action='store_true',
help='be completely quiet, print only errors')
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 = 'pyi2phosts.settings'
if 'DJANGO_PROJECT_PATH' in config:
DJANGO_PROJECT_PATH = config['DJANGO_PROJECT_PATH']
else:
DJANGO_PROJECT_PATH = os.path.dirname(sys.argv[0]) + '/..'
sys.path.insert(1, DJANGO_PROJECT_PATH)
os.environ['DJANGO_SETTINGS_MODULE'] = DJANGO_SETTINGS_MODULE
import django
django.setup()
from pyi2phosts.postkey.models import i2phost
from pyi2phosts.lib.validation import validate_hostname
from pyi2phosts.lib.validation import validate_b64hash
# determine approve hosts or not
if args.approve or config.as_bool('approve'):
approved = True
else:
approved = False
# turn on output supressing if quiet
if args.quiet:
args.supress = True
# determine what hosts.txt file we should parse
if args.hostsfile:
hostsfile = args.hostsfile
else:
env = os.environ
if 'HOME' in env:
hostsfile = os.environ['HOME'] + '/.i2p/hosts.txt'
else:
sys.stderr.write('unable to determine hosts file for parsing\n')
sys.exit(1)
f = open(args.hostsfile, 'r')
for line in f:
# ignore comments and empty lines
if line.startswith('#') or line.isspace():
continue
if line.find('=') == -1:
sys.stdout.write('Invalid line: %s\n' % line)
continue
# strip trailing '\n'
line = line.rstrip('\n')
entry = line.split('=', 1)
try:
hostname = validate_hostname(entry[0])
base64 = validate_b64hash(entry[1], check_uniq=False) # don't require uniqueness
except ValidationError, e:
sys.stdout.write('validation error: %s: %s\n\n' % (e, line))
else:
# Check for already existed hosts in database to avoid unneeded INSERTs
# beacuse they will fail anyway.
try:
h = i2phost.objects.get(name=hostname)
except i2phost.DoesNotExist:
if not args.quiet:
sys.stdout.write('Adding %s\n' % hostname)
host = i2phost(name=hostname, b64hash=base64,
description=args.description,
date_added=datetime.datetime.utcnow(),
activated=False, external=True, approved=approved)
host.save()
else:
if not args.supress:
sys.stdout.write('Host %s already exists\n' % hostname)
if h.b64hash != base64:
sys.stdout.write('Key conflict for host: %s\n' % hostname)
f.close()