Automated Action 69f6a404bd Add user authentication to Todo application
- Create User model and schema
- Implement password hashing with bcrypt
- Add JWT token-based authentication
- Create user and auth endpoints
- Update todo endpoints with user authentication
- Add alembic migration for user model
- Update README with new features
2025-05-16 02:07:51 +00:00

94 lines
2.9 KiB
Python

from datetime import timedelta
from typing import Any
from fastapi import APIRouter, Depends, HTTPException, status
from fastapi.security import OAuth2PasswordRequestForm
from sqlalchemy.orm import Session
from app.core.deps import get_current_user
from app.core.security import (
ACCESS_TOKEN_EXPIRE_MINUTES,
create_access_token,
)
from app.crud.user import authenticate_user, create_user, get_user_by_email, get_user_by_username
from app.db.database import get_db
from app.models.user import User
from app.schemas.user import Token, User as UserSchema, UserCreate
router = APIRouter(
prefix="/auth",
tags=["authentication"],
)
@router.post("/login", response_model=Token)
def login_for_access_token(
db: Session = Depends(get_db), form_data: OAuth2PasswordRequestForm = Depends()
) -> Any:
"""
OAuth2 compatible token login, get an access token for future requests
"""
user = authenticate_user(db, form_data.username, form_data.password)
if not user:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Incorrect username or password",
headers={"WWW-Authenticate": "Bearer"},
)
access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
access_token = create_access_token(
subject=user.id, expires_delta=access_token_expires
)
return {"access_token": access_token, "token_type": "bearer"}
@router.post("/refresh", response_model=Token)
def refresh_token(
db: Session = Depends(get_db), current_user: User = Depends(get_current_user)
) -> Any:
"""
Refresh access token
"""
access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
access_token = create_access_token(
subject=current_user.id, expires_delta=access_token_expires
)
return {"access_token": access_token, "token_type": "bearer"}
@router.post("/register", response_model=UserSchema, status_code=status.HTTP_201_CREATED)
def register_user(*, db: Session = Depends(get_db), user_in: UserCreate) -> Any:
"""
Register a new user
"""
# Check if user with this email already exists
user = get_user_by_email(db, email=user_in.email)
if user:
raise HTTPException(
status_code=status.HTTP_409_CONFLICT,
detail="A user with this email already exists",
)
# Check if user with this username already exists
user = get_user_by_username(db, username=user_in.username)
if user:
raise HTTPException(
status_code=status.HTTP_409_CONFLICT,
detail="A user with this username already exists",
)
# Create new user
user = create_user(db, user_in)
return user
@router.get("/me", response_model=UserSchema)
def read_users_me(current_user: User = Depends(get_current_user)) -> Any:
"""
Get current user information
"""
return current_user