Files
mc_domain_proxy/proxy/config.py
claude-bot 75c4242365 feat: send Login Disconnect with custom message on blocked join
Previously a blocked join just dropped the socket, so the MC client
showed 'Internal Exception: SocketException: Connection reset'.

Now when next_state=2 (login), the proxy sends a proper Login
Disconnect (0x00) packet containing a JSON chat component, and the
client displays the message on its disconnect screen.

- block_message added to config (default Korean message); editable
  in Settings UI as a textarea
- build_login_disconnect() encodes (varint length)+(0x00)+(JSON str)
- Status/ping (next_state=1) still silently dropped so the proxy
  presence is not announced to scanners
- Backward-compat: load_config() backfills block_message on old files
2026-05-23 17:10:49 +09:00

60 lines
1.7 KiB
Python

"""프록시용 config 로더.
API 서비스와 동일한 `data/config.json` 파일을 공유 볼륨으로 읽는다.
atomic rename(tempfile + os.replace) 으로 갱신되기 때문에 mtime polling
방식으로 안전하게 hot reload 가 가능하다.
"""
from __future__ import annotations
import json
import os
import threading
from pathlib import Path
CONFIG_PATH = Path(os.environ.get("MC_CONFIG_PATH", "/data/config.json"))
DEFAULT_CONFIG = {
"proxy": {"listen_port": 25565, "enabled": True},
"backend": {"host": "127.0.0.1", "port": 25565},
"allowed_domains": [
{"domain": "mc.tkrmagid.kr", "enabled": True, "note": "메인 도메인"}
],
"block_message": "이 서버는 허용된 도메인에서만 접속 가능합니다.",
}
_lock = threading.Lock()
def load() -> dict:
if not CONFIG_PATH.exists():
CONFIG_PATH.parent.mkdir(parents=True, exist_ok=True)
save(DEFAULT_CONFIG)
return dict(DEFAULT_CONFIG)
with _lock:
with CONFIG_PATH.open("r", encoding="utf-8") as f:
return json.load(f)
def save(cfg: dict) -> None:
CONFIG_PATH.parent.mkdir(parents=True, exist_ok=True)
tmp = CONFIG_PATH.with_suffix(".json.tmp")
with _lock:
with tmp.open("w", encoding="utf-8") as f:
json.dump(cfg, f, ensure_ascii=False, indent=2)
os.replace(tmp, CONFIG_PATH)
def mtime() -> float:
try:
return CONFIG_PATH.stat().st_mtime
except FileNotFoundError:
return 0.0
def allowed_domain_set(cfg: dict) -> set[str]:
return {
d["domain"].lower().strip()
for d in cfg.get("allowed_domains", [])
if d.get("enabled", True)
}