kirche-einfach/backend/app/auth/deps.py

46 lines
1.4 KiB
Python

"""Session-cookie dependencies. Handlers stay thin; DB via app.db.get_db."""
from __future__ import annotations
from typing import Annotated
from fastapi import Depends, HTTPException, Request
from sqlmodel import Session
from app.db import get_db
from app.models import User
from . import service
SESSION_COOKIE = "kirche_session"
SESSION_MAX_AGE = int(service.SESSION_TTL.total_seconds())
def get_optional_user(
request: Request, session: Annotated[Session, Depends(get_db)]
) -> User | None:
token = request.cookies.get(SESSION_COOKIE)
if not token:
return None
return service.get_token_user(session, token)
def get_current_user(request: Request, session: Annotated[Session, Depends(get_db)]) -> User:
user = get_optional_user(request, session)
if user is None:
raise HTTPException(status_code=401, detail="not authenticated")
return user
def require_admin(user: Annotated[User, Depends(get_current_user)]) -> User:
if user.role != "admin":
raise HTTPException(status_code=403, detail="admin only")
return user
def resolve_tenant(user: User | None, explicit: str | None, default: str = "default") -> str:
"""Tenant comes from the session; the body/query param is a deprecated
fallback for unauthenticated callers."""
if user is not None:
return user.tenant_id
return explicit or default