Ubuntu release signing key ids scraper (minimal effort 😇)

gather-key-ids.py

import csv
import datetime
import requests

# https://pypi.org/project/pgpdump/
import pgpdump


def main():
    collected_key_ids = {}
    for series, url in find_ubuntu_releases():
        response = requests.get(url)
        response.raise_for_status()
        for key_id in extract_key_ids(response.text):
            if series not in collected_key_ids:
                collected_key_ids[series] = []
            if key_id not in collected_key_ids[series]:
                collected_key_ids[series].append(key_id)
    print(collected_key_ids)


def find_ubuntu_releases():
    now = datetime.datetime.now()
    with open('/usr/share/distro-info/ubuntu.csv') as handle:
        for entry in csv.DictReader(handle):
            eol_date = datetime.datetime.strptime(entry['eol-server'] or entry['eol'], '%Y-%m-%d')
            # XXX Hacky workaround for 'artful' which is EOL but not on
            #     old-releases yet, this will break in the future!
            mirror_url = ('http://old-releases.ubuntu.com/ubuntu/'
                          if now >= eol_date and (entry['series'] != 'artful')
                          else 'http://archive.ubuntu.com/ubuntu/')
            release_gpg_url = '%s/dists/%s/Release.gpg' % (mirror_url.rstrip('/'), entry['series'])
            yield entry['series'], release_gpg_url


def extract_key_ids(data):
    parsed = pgpdump.AsciiData(data)
    for packet in parsed.packets():
        yield packet.key_id


if __name__ == '__main__':
    main()

ubuntu-release-signing-key-ids.txt

warty: 0x40976EAF437D05B5
hoary: 0x40976EAF437D05B5
breezy: 0x40976EAF437D05B5
dapper: 0x40976EAF437D05B5
edgy: 0x40976EAF437D05B5
feisty: 0x40976EAF437D05B5
gutsy: 0x40976EAF437D05B5
hardy: 0x40976EAF437D05B5
intrepid: 0x40976EAF437D05B5
jaunty: 0x40976EAF437D05B5
karmic: 0x40976EAF437D05B5
lucid: 0x40976EAF437D05B5
maverick: 0x40976EAF437D05B5
natty: 0x40976EAF437D05B5
oneiric: 0x40976EAF437D05B5
precise: 0x40976EAF437D05B5
quantal: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
raring: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
saucy: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
trusty: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
utopic: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
vivid: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
wily: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
xenial: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
yakkety: 0x40976EAF437D05B5, 0x3B4FE6ACC0B21F32
zesty: 0x3B4FE6ACC0B21F32
artful: 0x3B4FE6ACC0B21F32
bionic: 0x3B4FE6ACC0B21F32
cosmic: 0x3B4FE6ACC0B21F32