Automated Action 8fefbb7c13 Add user authentication to the Todo app
- Created User model and schemas
- Implemented secure password hashing with bcrypt
- Added JWT token-based authentication
- Created user registration and login endpoints
- Added authentication to todo routes
- Updated todos to be associated with users
- Created migration script for the user table
- Updated documentation with auth information
2025-05-19 13:45:22 +00:00

58 lines
1.8 KiB
Python

from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from jose import JWTError, jwt
from pydantic import ValidationError
from sqlalchemy.orm import Session
from app import crud, models, schemas
from app.core import security
from app.core.config import settings
from app.db.session import get_db
oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")
def get_current_user(
db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)
) -> models.User:
"""
Validate access token and return current user
"""
try:
payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[security.ALGORITHM])
token_data = schemas.TokenPayload(**payload)
except (JWTError, ValidationError) as e:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail="Could not validate credentials",
) from e
user = crud.user.get(db, id=token_data.sub)
if not user:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="User not found")
return user
def get_current_active_user(
current_user: models.User = Depends(get_current_user),
) -> models.User:
"""
Check if current user is active
"""
if not current_user.is_active:
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Inactive user")
return current_user
def get_current_active_superuser(
current_user: models.User = Depends(get_current_user),
) -> models.User:
"""
Check if current user is a superuser
"""
if not current_user.is_superuser:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN, detail="The user doesn't have enough privileges"
)
return current_user