Files
security-alert-center/backend/app/api/v1/auth.py
T
PTah 80320ae698 fix: harden SAC security per audit (0.4.15)
Close audit findings: anti-spoof client IP for login rate limit, JWT/CORS
enforce on startup, SSH host-key verification and sudo via stdin, optional
WinRM HTTPS, SSE httpOnly cookie auth, ingest body limit, ILIKE escaping,
and HMAC API key hashing with legacy SHA-256 fallback.
2026-07-07 19:32:12 +10:00

91 lines
2.7 KiB
Python

from fastapi import APIRouter, Depends, HTTPException, Request
from fastapi.responses import JSONResponse, Response
from pydantic import BaseModel
from sqlalchemy import func, select
from sqlalchemy.orm import Session
from app.auth.jwt_auth import CurrentUser, create_access_token, get_current_user
from app.auth.stream_cookie import clear_stream_auth_cookie, set_stream_auth_cookie
from app.config import get_settings
from app.database import get_db
from app.services.login_rate_limit import (
ensure_login_allowed,
record_login_failure,
record_login_success,
)
from app.services.user_auth import authenticate_user
router = APIRouter(prefix="/auth", tags=["auth"])
class LoginRequest(BaseModel):
username: str
password: str
class TokenResponse(BaseModel):
access_token: str
token_type: str = "bearer"
username: str
role: str
class MeResponse(BaseModel):
username: str
role: str
@router.post("/login", response_model=TokenResponse)
def login(body: LoginRequest, request: Request, db: Session = Depends(get_db)) -> JSONResponse:
settings = get_settings()
if not settings.sac_admin_password and not _has_any_user(db):
raise HTTPException(
status_code=503,
detail="SAC UI users are not configured (run alembic upgrade and set SAC_ADMIN_PASSWORD for bootstrap)",
)
ip_address = ensure_login_allowed(db, request)
user = authenticate_user(db, body.username, body.password)
if user is None:
record_login_failure(db, ip_address=ip_address, username=body.username)
db.commit()
raise HTTPException(status_code=401, detail="Invalid username or password")
record_login_success(db, ip_address=ip_address, username=user.username)
db.commit()
token = create_access_token(user.username, user.role)
payload = TokenResponse(
access_token=token,
username=user.username,
role=user.role,
)
response = JSONResponse(content=payload.model_dump())
set_stream_auth_cookie(response, token, settings)
return response
@router.post("/logout", status_code=204)
def logout() -> Response:
settings = get_settings()
response = Response(status_code=204)
clear_stream_auth_cookie(response, settings)
return response
@router.get("/me", response_model=MeResponse)
def me(current_user: CurrentUser = Depends(get_current_user)) -> MeResponse:
return MeResponse(username=current_user.username, role=current_user.role)
def _has_any_user(db: Session) -> bool:
from app.models.user import User
try:
count = db.scalar(select(func.count()).select_from(User)) or 0
return count > 0
except Exception:
db.rollback()
return False