131 lines
5.3 KiB
Python
131 lines
5.3 KiB
Python
# NAS Dashboard Backend
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from fastapi import FastAPI, Depends, Request
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from fastapi.staticfiles import StaticFiles
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from slowapi import Limiter
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from slowapi.util import get_remote_address
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from slowapi.errors import RateLimitExceeded
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from routers import docker_router, gitea, files, terminal, system, auth
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import auth as auth_module
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import asyncio
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import httpx
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import logging
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import time
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import jwt
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from datetime import datetime, timezone, timedelta
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from config import TELEGRAM_BOT_TOKEN, TELEGRAM_CHAT_ID, CORS_ORIGINS, SECRET_KEY, ALGORITHM, VOLUME_ROOT
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_tz_cst = timezone(timedelta(hours=8))
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limiter = Limiter(key_func=get_remote_address)
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app = FastAPI(title="NAS Dashboard")
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app.state.limiter = limiter
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app.add_middleware(
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CORSMiddleware,
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allow_origins=CORS_ORIGINS,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.exception_handler(RateLimitExceeded)
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async def rate_limit_handler(request: Request, exc: RateLimitExceeded):
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return JSONResponse(status_code=429, content={"detail": "Too many requests, try again later"})
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@app.middleware("http")
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async def security_headers(request: Request, call_next):
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response = await call_next(request)
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response.headers["X-Content-Type-Options"] = "nosniff"
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response.headers["X-Frame-Options"] = "DENY"
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response.headers["X-XSS-Protection"] = "1; mode=block"
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response.headers["Referrer-Policy"] = "strict-origin-when-cross-origin"
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response.headers["Content-Security-Policy"] = "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; connect-src 'self' wss://nas.jimmygan.com; frame-ancestors 'none'"
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return response
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# Audit logger
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import os
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_audit_log_path = os.path.join(VOLUME_ROOT, "docker/nas-dashboard/audit.log")
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os.makedirs(os.path.dirname(_audit_log_path), exist_ok=True)
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_audit_logger = logging.getLogger("audit")
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_audit_logger.setLevel(logging.INFO)
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_audit_handler = logging.FileHandler(_audit_log_path)
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_audit_handler.setFormatter(logging.Formatter("%(message)s"))
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_audit_logger.addHandler(_audit_handler)
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_audit_logger.propagate = False
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@app.middleware("http")
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async def audit_log(request: Request, call_next):
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start = time.time()
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response = await call_next(request)
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duration = int((time.time() - start) * 1000)
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user = "-"
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try:
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auth_header = request.headers.get("authorization", "")
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if auth_header.startswith("Bearer "):
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payload = jwt.decode(auth_header[7:], SECRET_KEY, algorithms=[ALGORITHM])
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user = payload.get("sub", "-")
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except Exception:
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pass
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_audit_logger.info(
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"%s %s %s %s %s %d %dms",
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datetime.now(_tz_cst).strftime("%Y-%m-%dT%H:%M:%S"), request.client.host, user,
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request.method, request.url.path, response.status_code, duration,
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)
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return response
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async def monitor_containers():
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import docker
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from config import DOCKER_HOST
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client = docker.DockerClient(base_url=DOCKER_HOST)
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# Store initial states
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previous_states = {}
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while True:
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try:
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for c in client.containers.list(all=True):
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current_status = c.status
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if c.id in previous_states:
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prev_status = previous_states[c.id]
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# Alert if it transitioned from running to exited or unhealthy
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if prev_status == "running" and current_status in ("exited", "dead"):
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msg = f"⚠️ *Container Alert* ⚠️\nContainer `{c.name}` just stopped unexpectedly (Status: {current_status})."
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# Use httpx directly as system.send_notification expects a FastAPI request object usually
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if TELEGRAM_BOT_TOKEN and TELEGRAM_CHAT_ID:
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proxy_url = os.environ.get("TELEGRAM_PROXY")
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async with httpx.AsyncClient(proxy=proxy_url) as hc:
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await hc.post(
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f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage",
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data={"chat_id": TELEGRAM_CHAT_ID, "text": msg, "parse_mode": "Markdown"},
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)
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previous_states[c.id] = current_status
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except Exception as e:
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logging.getLogger(__name__).error("Error in container monitor: %s", e)
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await asyncio.sleep(60)
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@app.on_event("startup")
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async def startup_event():
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asyncio.create_task(monitor_containers())
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@app.get("/api/health")
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async def health():
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return {"status": "ok"}
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# Public auth endpoints
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app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
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# Protected endpoints
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app.include_router(docker_router.router, prefix="/api/docker", dependencies=[Depends(auth_module.get_current_user)])
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app.include_router(gitea.router, prefix="/api/gitea", dependencies=[Depends(auth_module.get_current_user)])
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app.include_router(files.router, prefix="/api/files", dependencies=[Depends(auth_module.get_current_user)])
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app.include_router(system.router, prefix="/api/system", dependencies=[Depends(auth_module.get_current_user)])
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# WebSocket endpoint (auth handled inside handler via Query param)
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app.add_api_websocket_route("/ws/terminal", terminal.ws_endpoint)
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app.mount("/", StaticFiles(directory="/app/static", html=True), name="static")
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