70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
from collections.abc import AsyncGenerator
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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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.security import decode_token
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from app.db.session import async_session_factory
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from app.models.user import User
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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async with async_session_factory() as session:
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yield session
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async def get_current_user(
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token: str = Depends(oauth2_scheme),
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db: AsyncSession = Depends(get_db),
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) -> User:
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credentials_exception = 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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try:
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payload = decode_token(token)
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user_id: str | None = payload.get("sub")
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if user_id is None or payload.get("type") != "access":
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raise credentials_exception
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except ValueError:
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raise credentials_exception
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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 credentials_exception
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return user
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async 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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if not current_user.is_active:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="User account is disabled",
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)
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return current_user
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async def get_optional_current_user(
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token: str | None = Depends(OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login", auto_error=False)),
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db: AsyncSession = Depends(get_db),
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) -> User | None:
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if not token:
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return None
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try:
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payload = decode_token(token)
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user_id = payload.get("sub")
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if user_id is None or payload.get("type") != "access":
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return None
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except ValueError:
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return None
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result = await db.execute(select(User).where(User.id == int(user_id)))
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return result.scalar_one_or_none()
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