62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
from typing import List
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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
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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 get_db
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oauth2_scheme = OAuth2PasswordBearer(
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tokenUrl=f"{settings.API_V1_STR}/login/access-token"
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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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) -> models.User:
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try:
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payload = jwt.decode(
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token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM]
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)
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token_data = schemas.token.TokenPayload(**payload)
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except (jwt.JWTError, ValidationError):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Could not validate credentials",
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)
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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(status_code=404, detail="User not found")
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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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if not crud.user.is_active(current_user):
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user
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def check_role(
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allowed_roles: List[str], user: models.User = Depends(get_current_active_user), db: Session = Depends(get_db)
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) -> models.User:
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role = db.query(models.Role).filter(models.Role.id == user.role_id).first()
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if not role or role.name not in allowed_roles:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail=f"Operation not permitted. Required roles: {', '.join(allowed_roles)}",
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)
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return user
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def get_admin_user(db: Session = Depends(get_db), user: models.User = Depends(get_current_active_user)) -> models.User:
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return check_role(["admin"], user, db)
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def get_teacher_user(db: Session = Depends(get_db), user: models.User = Depends(get_current_active_user)) -> models.User:
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return check_role(["admin", "teacher"], user, db) |