aae9527254
- Created user model with SQLAlchemy ORM - Implemented authentication with JWT tokens (access and refresh tokens) - Added password hashing with bcrypt - Created API endpoints for registration, login, and user management - Set up Alembic for database migrations - Added health check endpoint - Created role-based access control (standard users and superusers) - Added comprehensive documentation
128 lines
3.5 KiB
Python
128 lines
3.5 KiB
Python
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 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 TOKEN_TYPE_ACCESS
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from app.crud.user import get_user
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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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# Define OAuth2 scheme for token authentication
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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_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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"""
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Get the current user from the provided JWT token.
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Args:
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db: Database session
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token: JWT token from Authorization header
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Returns:
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Current user
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Raises:
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HTTPException: If token is invalid or user not found
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"""
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try:
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# Decode the JWT token
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payload = jwt.decode(
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token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
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)
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token_data = TokenPayload(**payload)
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# Check if token is expired
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if token_data.exp is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Token is missing expiration claim",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Check if token is the correct type (access token)
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if token_data.type != TOKEN_TYPE_ACCESS:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token type",
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headers={"WWW-Authenticate": "Bearer"},
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)
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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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# Get the user from the database
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user = get_user(db, user_id=int(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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# Check if user is active
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if not user.is_active:
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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 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 the current active user.
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Args:
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current_user: Current user from get_current_user
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Returns:
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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 current_user.is_active:
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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 the current active superuser.
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Args:
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current_user: Current user from get_current_active_user
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Returns:
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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 current_user.is_superuser:
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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 |