69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
"""FastAPI dependency functions for auth and role checks."""
|
|
|
|
from __future__ import annotations
|
|
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import OAuth2PasswordBearer
|
|
from sqlalchemy import select
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
|
|
from app.core.db import get_db
|
|
from app.core.security import decode_access_token
|
|
from app.models.user import User, UserRole
|
|
|
|
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
|
|
|
|
|
|
async def get_current_user(
|
|
token: str = Depends(oauth2_scheme),
|
|
db: AsyncSession = Depends(get_db),
|
|
) -> User:
|
|
"""Resolve the current authenticated user from the JWT in the Authorization header.
|
|
|
|
Raises 401 on invalid/expired token, missing user, or soft-deleted user.
|
|
"""
|
|
credentials_exc = HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Could not validate credentials",
|
|
headers={"WWW-Authenticate": "Bearer"},
|
|
)
|
|
|
|
payload = decode_access_token(token)
|
|
if payload is None:
|
|
raise credentials_exc
|
|
|
|
sub = payload.get("sub")
|
|
if sub is None:
|
|
raise credentials_exc
|
|
|
|
try:
|
|
user_id = int(sub)
|
|
except (ValueError, TypeError):
|
|
raise credentials_exc from None
|
|
|
|
# Load user fresh from DB to honor soft-delete and role changes
|
|
result = await db.execute(
|
|
select(User).where(User.id == user_id, User.deleted_at.is_(None))
|
|
)
|
|
user = result.scalar_one_or_none()
|
|
|
|
if user is None:
|
|
raise credentials_exc
|
|
|
|
return user
|
|
|
|
|
|
async def get_current_admin_user(
|
|
user: User = Depends(get_current_user),
|
|
) -> User:
|
|
"""Require the current user to have the admin role."""
|
|
user_role = (
|
|
user.role.value if hasattr(user.role, "value") else str(user.role)
|
|
)
|
|
if user_role != UserRole.admin.value:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_403_FORBIDDEN,
|
|
detail="Admin role required",
|
|
)
|
|
return user
|