4cfde1a74a
- Add role-based access control (admin/user roles) - Implement refresh token functionality - Add token revocation (logout) capability - Create admin-only endpoints - Add role validation middleware - Update documentation
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
from functools import wraps
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from typing import Generator
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import jwt
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from pydantic import ValidationError
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from sqlalchemy.orm import Session
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from app.core.config import settings
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from app.crud.crud_user import get_user
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from app.db.session import SessionLocal
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from app.models.user import User, UserRole
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from app.schemas.token import TokenPayload
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oauth2_scheme = OAuth2PasswordBearer(
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tokenUrl=f"{settings.API_V1_STR}/auth/login"
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)
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def get_db() -> Generator:
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def get_current_user(
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db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)
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) -> User:
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try:
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payload = jwt.decode(
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token, settings.SECRET_KEY, algorithms=["HS256"]
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)
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token_data = TokenPayload(**payload)
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except (jwt.JWTError, ValidationError):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Could not validate credentials",
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)
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user = get_user(db, user_id=token_data.sub)
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if not user:
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raise HTTPException(status_code=404, detail="User not found")
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return user
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def get_current_active_user(
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current_user: User = Depends(get_current_user),
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) -> User:
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if not current_user.is_active:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user
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def get_current_admin_user(
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current_user: User = Depends(get_current_active_user),
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) -> User:
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if current_user.role != UserRole.ADMIN:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="The user doesn't have enough privileges",
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)
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return current_user
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def check_role(required_role: UserRole):
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def decorator(func):
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@wraps(func)
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async def wrapper(*args, current_user: User = Depends(get_current_active_user), **kwargs):
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if current_user.role != required_role and current_user.role != UserRole.ADMIN:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="The user doesn't have enough privileges",
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)
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return await func(*args, current_user=current_user, **kwargs)
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return wrapper
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return decorator |