syncbl

#!/usr/bin/python3
# SPDX-License-Identifier: MIT
#
# Syncs latest badkeys blocklist from a remote host to the
# web server running https://updates.badkeys.info/

import os
import subprocess
import sys
import tomllib

VER = "v0"

with open(os.path.expanduser("~/.syncblrc"), "rb") as f:
    conf = tomllib.load(f)

latest = subprocess.check_output(["ssh", conf["remotessh"], "cat", "~/blout/latest"],
                                 env={"LC_ALL": "C"})
latest = str(int(latest))

tdir = os.path.join(os.path.expanduser(conf["webroot"]), VER)
target = os.path.join(tdir, latest)
if os.path.exists(target):
    # Nothing to do
    sys.exit(0)

subprocess.check_output(["scp", "-r", f"{conf['remotessh']}:{conf['remotepath']}/{latest}", tdir])

template = os.path.join(tdir, "badkeysdata.json")
# Python supports no atomic symlink overwrite...
subprocess.check_output(["ln", "-sf", f"{target}/badkeysdata.json", template])