Archived
43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
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from __future__ import annotations
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import argparse
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from .ddns import DdnsSettings, make_app
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def main() -> None:
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parser = argparse.ArgumentParser(prog="router-dyndns")
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subparsers = parser.add_subparsers(dest="command", required=True)
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render_url = subparsers.add_parser("render-fritz-url", help="Render a FRITZ!Box custom DynDNS update URL.")
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render_url.add_argument("--base-url", required=True, help="Public base URL of this DDNS service.")
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render_url.add_argument("--host", required=True, help="DNS hostname configured in FRITZ!Box.")
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render_url.add_argument("--include-ipv6", action="store_true")
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serve = subparsers.add_parser("serve", help="Run the DDNS HTTP service.")
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serve.add_argument("--host", default="0.0.0.0")
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serve.add_argument("--port", type=int, default=8080)
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args = parser.parse_args()
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if args.command == "render-fritz-url":
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print(_render_fritz_url(args.base_url, args.host, args.include_ipv6))
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elif args.command == "serve":
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import uvicorn
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settings = DdnsSettings.from_env()
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if not settings.admin_password:
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raise SystemExit("DDNS_ADMIN_PASSWORD must be set.")
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uvicorn.run(make_app(settings), host=args.host, port=args.port)
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def _render_fritz_url(base_url: str, host: str, include_ipv6: bool) -> str:
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base = base_url.rstrip("/")
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url = f"{base}/nic/update?hostname=<domain>&myip=<ipaddr>&username=<username>&password=<pass>"
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if include_ipv6:
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url += "&myipv6=<ip6addr>"
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return url.replace("<domain>", host)
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if __name__ == "__main__":
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main()
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