5109d6f824
之前 (await ...).scalars() 链式在 SQLAlchemy 2.0 async 下报 'coroutine' has no attribute 'scalars' 错误。改为先 await 拿 result 再 .scalars(),这是 SQLAlchemy 2.0 推荐的 async 写法。
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
"""登录/刷新/登出。"""
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from __future__ import annotations
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from datetime import datetime, timezone
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from fastapi import APIRouter, Depends, HTTPException, status
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from jwt.exceptions import InvalidTokenError
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.config import settings
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from app.core.security import (
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create_access_token,
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create_refresh_token,
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decode_token,
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verify_password,
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)
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from app.database import get_session
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from app.models.user import User
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from app.schemas.auth import LoginRequest, RefreshRequest, TokenPair
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router = APIRouter(prefix="/auth", tags=["auth"])
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def _pair_for(user: User) -> TokenPair:
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access = create_access_token(user.id, extra={"role": user.role.value})
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refresh = create_refresh_token(user.id)
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return TokenPair(
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access_token=access,
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refresh_token=refresh,
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expires_in=settings.access_token_ttl_min * 60,
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)
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@router.post("/login", response_model=TokenPair)
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async def login(body: LoginRequest, session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(User).where(User.username == body.username))
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user = result.scalars().first()
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if not user or not user.is_active or not verify_password(body.password, user.password_hash):
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raise HTTPException(status.HTTP_401_UNAUTHORIZED, "Invalid credentials")
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user.last_login_at = datetime.now(timezone.utc)
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await session.commit()
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return _pair_for(user)
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@router.post("/refresh", response_model=TokenPair)
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async def refresh(body: RefreshRequest, session: AsyncSession = Depends(get_session)):
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try:
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payload = decode_token(body.refresh_token)
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if payload.get("type") != "refresh":
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raise InvalidTokenError("wrong type")
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uid = int(payload["sub"])
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except (InvalidTokenError, KeyError, ValueError):
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raise HTTPException(status.HTTP_401_UNAUTHORIZED, "Invalid refresh token")
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result = await session.execute(select(User).where(User.id == uid, User.is_active.is_(True)))
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user = result.scalars().first()
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if not user:
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raise HTTPException(status.HTTP_401_UNAUTHORIZED, "User not found")
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return _pair_for(user)
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