79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
from typing import Generator
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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 pydantic import ValidationError
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from sqlalchemy.orm import Session
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from app import crud, models, schemas
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from app.core.config import settings
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from app.db.session import SessionLocal
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")
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def get_db() -> Generator:
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"""
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Dependency for getting database session
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"""
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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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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) -> models.User:
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"""
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Dependency for getting the current authenticated user
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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=[settings.ALGORITHM]
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)
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token_data = schemas.TokenPayload(**payload)
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except (JWTError, ValidationError) as e:
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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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) from e
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user = crud.user.get(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: models.User = Depends(get_current_user),
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) -> models.User:
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"""
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Dependency for getting the current active user
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"""
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if not crud.user.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_admin_user(
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current_user: models.User = Depends(get_current_active_user),
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) -> models.User:
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"""
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Dependency for getting the current admin user
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"""
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if not crud.user.is_admin(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
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