58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.auth import decode_access_token
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from app.db.database import get_db
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from app.db.models import User
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security = HTTPBearer()
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: AsyncSession = Depends(get_db),
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) -> User:
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payload = decode_access_token(credentials.credentials)
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if payload is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Token invalid or expired",
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)
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user_id = payload.get("sub")
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if user_id is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token format",
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)
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result = await db.execute(select(User).where(User.id == int(user_id)))
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user = result.scalar_one_or_none()
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if user is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found"
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)
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if user.status == "disabled":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN, detail="Account disabled"
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)
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return user
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def require_role(*roles: str):
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"""Factory: returns a dependency that checks user role."""
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async def _check(user: User = Depends(get_current_user)) -> User:
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if user.role not in roles:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Insufficient permissions",
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)
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return user
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return _check
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