71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
# 导入库
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from typing import Annotated
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from datetime import datetime, timedelta, timezone
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from fastapi import Depends, HTTPException
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from fastapi.security import OAuth2PasswordRequestForm
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from fastapi import APIRouter
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import jwt, JWT
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from sqlmodel.ext.asyncio.session import AsyncSession
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from tool import verify_password
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from loguru import logger
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from model.token import Token
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from model import Setting, database
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Router = APIRouter(tags=["令牌 session"])
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# 创建令牌
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async def create_access_token(data: dict, expires_delta: timedelta | None = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, key=await JWT.get_secret_key(), algorithm='HS256')
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return encoded_jwt
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# 验证账号密码
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async def authenticate_user(session: AsyncSession, username: str, password: str):
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# 验证账号和密码
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account = await Setting.get(session, Setting.name == 'account')
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stored_password = await Setting.get(session, Setting.name == 'password')
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if not account or not stored_password:
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logger.error("Account or password not set in settings.")
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return False
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if account.value != username or not verify_password(stored_password.value, password):
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logger.error("Invalid username or password.")
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return False
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return {'is_authenticated': True}
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# FastAPI 登录路由 / FastAPI login route
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@Router.post(
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path="/api/token",
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summary="获取访问令牌",
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description="使用用户名和密码获取访问令牌",
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response_model=Token,
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response_description="访问令牌"
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)
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async def login_for_access_token(
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form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
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session: Annotated[AsyncSession, Depends(database.Database.get_session)],
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) -> Token:
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user = await authenticate_user(
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session=session,
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username=form_data.username,
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password=form_data.password
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)
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if not user:
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raise HTTPException(
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status_code=401,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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access_token_expires = timedelta(hours=1)
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access_token = await create_access_token(
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data={"sub": form_data.username}, expires_delta=access_token_expires
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)
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return Token(access_token=access_token, token_type="bearer") |