Archived
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
from __future__ import annotations
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import argparse
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from .app import make_app
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from .settings import DdnsSettings
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def main() -> None:
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parser = argparse.ArgumentParser(prog="karldns")
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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="Print a FRITZ!Box DynDNS update URL.")
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render_url.add_argument("--base-url", required=True, help="Public KarlDNS URL.")
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render_url.add_argument("--update-secret", required=True, help="Private router update secret.")
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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 KarlDNS web 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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serve.add_argument(
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"--access-log",
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action="store_true",
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help="Enable redacted request logs. Raw web-server access logs stay off because private URLs are secrets.",
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)
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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.update_secret, 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("Set DDNS_ADMIN_PASSWORD before starting KarlDNS.")
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if args.access_log:
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settings = settings.model_copy(update={"redacted_access_log": True})
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uvicorn.run(make_app(settings), host=args.host, port=args.port, access_log=False)
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def _render_fritz_url(base_url: str, update_secret: str, include_ipv6: bool) -> str:
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base = base_url.rstrip("/")
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url = f"{base}/api/v1/router/update/{update_secret}?myip=<ipaddr>"
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if include_ipv6:
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url += "&myipv6=<ip6addr>"
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return url
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if __name__ == "__main__":
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main()
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