eulaurarien/feed_asn.py

59 lines
1.6 KiB
Python
Executable file

#!/usr/bin/env python3
import database
import argparse
import requests
import typing
import ipaddress
import logging
import time
IPNetwork = typing.Union[ipaddress.IPv4Network, ipaddress.IPv6Network]
def get_ranges(asn: str) -> typing.Iterable[str]:
req = requests.get(
'https://stat.ripe.net/data/as-routing-consistency/data.json',
params={'resource': asn}
)
data = req.json()
for pref in data['data']['prefixes']:
yield pref['prefix']
if __name__ == '__main__':
log = logging.getLogger('feed_asn')
# Parsing arguments
parser = argparse.ArgumentParser(
description="TODO")
args = parser.parse_args()
DB = database.Database()
def add_ranges(path: database.Path,
match: database.Match,
_: typing.Any) -> None:
assert isinstance(path, database.AsnPath)
asn_str = database.Database.unpack_asn(path)
DB.enter_step('asn_get_ranges')
for prefix in get_ranges(asn_str):
parsed_prefix: IPNetwork = ipaddress.ip_network(prefix)
if parsed_prefix.version == 4:
DB.set_ip4network(
prefix,
source=path,
updated=int(time.time())
)
log.info('Added %s from %s (%s)', prefix, asn_str, path)
elif parsed_prefix.version == 6:
log.warning('Unimplemented prefix version: %s', prefix)
else:
log.error('Unknown prefix version: %s', prefix)
for _ in DB.exec_each_asn(add_ranges, None):
pass
DB.save()