Files
security-alert-center/backend/app/main.py
T
PapaTramp d3a337992c feat: SAC 0.7.2 security hardening (rate limit, JWT DB check, DOMPurify)
Path traversal fix in SPA fallback, admin-only host delete, login rate limit
with 3 attempts and Telegram alert, JWT validated against active users in DB,
and DOMPurify for agent report HTML.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-01 11:04:14 +10:00

126 lines
3.6 KiB
Python

import logging
from contextlib import asynccontextmanager
from pathlib import Path
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles
from sqlalchemy import select
from app.api.v1.router import api_router
from app.auth.api_key import hash_api_key
from app.config import get_settings
from app.database import SessionLocal
from app.models import ApiKey
from app.services.user_auth import bootstrap_admin_user
from app.version import APP_VERSION, APP_VERSION_LABEL
ROOT = Path(__file__).resolve().parents[2]
logger = logging.getLogger("sac")
def bootstrap_api_key() -> None:
settings = get_settings()
if not settings.sac_bootstrap_api_key:
return
db = SessionLocal()
try:
key_hash = hash_api_key(settings.sac_bootstrap_api_key)
exists = db.scalar(select(ApiKey).where(ApiKey.key_hash == key_hash))
if exists:
return
prefix = settings.sac_bootstrap_api_key[:12]
db.add(
ApiKey(
name="bootstrap",
key_prefix=prefix,
key_hash=key_hash,
is_active=True,
)
)
db.commit()
finally:
db.close()
def bootstrap_users() -> None:
db = SessionLocal()
try:
bootstrap_admin_user(db)
finally:
db.close()
@asynccontextmanager
async def lifespan(_app: FastAPI):
logger.info("%s — application startup (version %s)", APP_VERSION_LABEL, APP_VERSION)
bootstrap_api_key()
bootstrap_users()
yield
logger.info("%s — application shutdown", APP_VERSION_LABEL)
def configure_logging() -> None:
if logging.getLogger().handlers:
return
logging.basicConfig(
level=logging.INFO,
format="%(levelname)s: %(message)s",
)
def create_app() -> FastAPI:
configure_logging()
settings = get_settings()
app = FastAPI(
title="Security Alert Center",
version=APP_VERSION,
lifespan=lifespan,
)
origins = [o.strip() for o in settings.cors_origins.split(",") if o.strip()]
app.add_middleware(
CORSMiddleware,
allow_origins=origins if origins != ["*"] else ["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
from app.api.v1.health import router as health_router
app.include_router(api_router, prefix="/api/v1")
app.include_router(health_router)
frontend_dist = ROOT / "frontend" / "dist"
if frontend_dist.is_dir():
assets_dir = frontend_dist / "assets"
if assets_dir.is_dir():
app.mount(
"/assets",
StaticFiles(directory=str(assets_dir)),
name="ui-assets",
)
@app.get("/{spa_path:path}")
def spa_fallback(spa_path: str) -> FileResponse:
if spa_path.startswith("api/"):
raise HTTPException(status_code=404, detail="Not Found")
dist_root = frontend_dist.resolve()
if spa_path:
candidate = (frontend_dist / spa_path).resolve()
try:
candidate.relative_to(dist_root)
except ValueError:
raise HTTPException(status_code=404, detail="Not Found") from None
if candidate.is_file():
return FileResponse(candidate)
index = frontend_dist / "index.html"
if not index.is_file():
raise HTTPException(status_code=404, detail="UI not built")
return FileResponse(index)
return app
app = create_app()