8575427c43
- Setup project structure with FastAPI - Create user models with SQLAlchemy - Implement JWT authentication - Create auth endpoints (register, login, me) - Add health endpoint - Generate Alembic migrations - Update documentation Generated with BackendIM... (backend.im)
105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
from typing import Generator, Optional
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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, JWTError
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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.core.security import (
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create_access_token,
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get_password_hash,
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verify_password,
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)
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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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from app.services import user as user_service
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reusable_oauth2 = OAuth2PasswordBearer(
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tokenUrl=f"{settings.API_V1_STR}/auth/login"
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)
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def get_current_user(
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db: Session = Depends(get_db), token: str = Depends(reusable_oauth2)
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) -> User:
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"""
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Get the current user based on JWT token.
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Args:
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db: Database session
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token: JWT token from OAuth2 dependency
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Returns:
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User: Current user model
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Raises:
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HTTPException: If token is invalid or user doesn't exist
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"""
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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 (JWTError, ValidationError):
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raise 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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user = user_service.get_by_id(db, id=token_data.sub)
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if not user:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="User not found"
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)
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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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"""
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Get current active user (inactive users cannot use the system).
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Args:
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current_user: Current user from get_current_user dependency
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Returns:
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User: Current active user
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Raises:
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HTTPException: If user is inactive
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"""
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if not user_service.is_active(current_user):
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Inactive user"
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)
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return current_user
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def get_current_active_superuser(
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current_user: User = Depends(get_current_active_user),
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) -> User:
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"""
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Get current active superuser.
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Args:
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current_user: Current active user from get_current_active_user dependency
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Returns:
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User: Current active superuser
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Raises:
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HTTPException: If user is not a superuser
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"""
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if not user_service.is_superuser(current_user):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Not enough permissions"
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)
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return current_user |