d1c05cbd6e
- Set up project structure and dependencies - Create database models for tasks and users with SQLAlchemy - Configure Alembic for database migrations - Implement authentication system with JWT tokens - Create CRUD API endpoints for tasks and users - Add health check endpoint - Update README with documentation
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
from datetime import datetime, timedelta
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from typing import Any, Union
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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 JWTError, jwt
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from passlib.context import CryptContext
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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.db.session import get_db
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from app.models.user import User
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from app.schemas.token import TokenPayload
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# to get a string like this run:
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# openssl rand -hex 32
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SECRET_KEY = settings.SECRET_KEY
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = settings.ACCESS_TOKEN_EXPIRE_MINUTES
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")
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def create_access_token(
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subject: Union[str, Any], expires_delta: timedelta = None
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) -> str:
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(
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minutes=ACCESS_TOKEN_EXPIRE_MINUTES
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)
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to_encode = {"exp": expire, "sub": str(subject)}
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password)
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async 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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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(
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token, SECRET_KEY, algorithms=[ALGORITHM]
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)
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token_data = TokenPayload(**payload)
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if token_data.sub is None:
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raise credentials_exception
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except JWTError as e:
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raise credentials_exception from e
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from app.crud import user as user_crud
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user = user_crud.get(db, id=token_data.sub)
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if user is None:
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raise credentials_exception
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return user
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async 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 |