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trustos/backend/app/main.py
drjones c44fa6fcda
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Fix cross-origin API access, bcrypt login break, and weak secret key
The frontend only worked from localhost:3000 — the browser made absolute
cross-origin calls to localhost:8000, which (a) points at the visitor's own
machine when accessed via the LAN IP or Cloudflare tunnel, and (b) was blocked
by CORS (backend only allowed localhost:3000). Now all API calls are
same-origin and proxied to the backend:

- api.ts: default API base to same-origin ("") instead of localhost:8000
- docker-compose: NEXT_PUBLIC_API_URL="" (client uses relative /api)
- next.config.ts: server-side rewrite uses API_INTERNAL_URL (http://backend:8000
  inside Docker) so :3000 direct access proxies correctly
- main.py: broaden CORS via allow_origin_regex (localhost + private LAN) and an
  optional CORS_ORIGINS env var, as defense-in-depth for direct :8000 access

Login was returning 500: passlib 1.7.4 is incompatible with the bcrypt 5.0.0
actually installed in the image (requirements pin 4.1.2, but the image drifted).
- security.py: call bcrypt directly, truncating to 72 bytes; existing $2b$
  hashes verify unchanged, and it works under both bcrypt 4.x and 5.x

Security: SECRET_KEY was a known placeholder string while the app is exposed on
the LAN and via Cloudflare tunnel — anyone could forge admin JWTs. Regenerated
to a strong random value in backend/.env (gitignored; not committed).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-07 15:13:23 +00:00

56 lines
2.4 KiB
Python

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager
from app.core.config import settings
from app.db.session import engine
from app.models.models import Base
@asynccontextmanager
async def lifespan(app: FastAPI):
# Create tables on startup (dev only — use Alembic in production)
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
yield
await engine.dispose()
app = FastAPI(
title=settings.PROJECT_NAME,
version=settings.VERSION,
lifespan=lifespan,
)
# The app is normally served same-origin (nginx proxies /api to the backend),
# so CORS is not exercised in the primary flow. This allowlist exists for direct
# browser access to :8000 during development and for any explicitly configured
# origins. Extra origins can be added via the CORS_ORIGINS env var (comma-separated).
_extra_origins = [o.strip() for o in (settings.CORS_ORIGINS or "").split(",") if o.strip()]
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000", "http://frontend:3000", *_extra_origins],
# Also allow localhost and private-network hosts on any port (dev convenience).
allow_origin_regex=r"^https?://(localhost|127\.0\.0\.1|10\.\d+\.\d+\.\d+|192\.168\.\d+\.\d+|172\.(1[6-9]|2\d|3[01])\.\d+\.\d+)(:\d+)?$",
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# ─── Routes ───────────────────────────────────────────────────────────────────
from app.api.routes import auth, dashboard, findings, reports, attack_paths, footprint, ai as ai_routes, scanning
app.include_router(auth.router, prefix=settings.API_V1_STR)
app.include_router(dashboard.router, prefix=settings.API_V1_STR)
app.include_router(findings.router, prefix=settings.API_V1_STR)
app.include_router(reports.router, prefix=settings.API_V1_STR)
app.include_router(attack_paths.router, prefix=settings.API_V1_STR)
app.include_router(footprint.router, prefix=settings.API_V1_STR)
app.include_router(ai_routes.router, prefix=settings.API_V1_STR)
app.include_router(scanning.router, prefix=settings.API_V1_STR)
@app.get("/health")
async def health():
return {"status": "ok", "service": settings.PROJECT_NAME, "version": settings.VERSION}