72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
# Copyright 2026 zhaoxi826
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Annotated
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from fastapi import Depends, HTTPException, Request
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from kilostar.utils.access import Accessor, TokenData
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from kilostar.core.postgres_database.model import UserAuthority
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from kilostar.utils.ray_hook import ray_actor_hook
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from kilostar.utils.i18n import t
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def _user_not_found_detail(request: Request | None = None) -> str:
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loc = request.headers.get("accept-language") if request else None
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return t("user_not_found", accept_language=loc)
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async def get_authority(user_id: str) -> UserAuthority:
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"""通过 PostgresDatabase Actor 查出指定用户的 ``UserAuthority``；用户不存在时抛 401。"""
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from kilostar.utils.error import UserNotExistError
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postgres_database = ray_actor_hook("postgres_database").postgres_database
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try:
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user_authority = await postgres_database.get_user_authority.remote(
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user_id=user_id
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)
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return user_authority
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except UserNotExistError:
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raise HTTPException(status_code=401, detail=t("user_not_found"))
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except Exception as e:
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# Check if it's a RayTaskError wrapping UserNotExistError
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if "UserNotExistError" in str(e):
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raise HTTPException(
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status_code=401, detail=t("user_not_found")
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)
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raise
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class RoleChecker:
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"""FastAPI 依赖：在路由级别按 ``UserAuthority`` 做最低权限校验。
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例：``Depends(RoleChecker(allowed_roles=UserAuthority.ADMINISTRATOR))``。
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"""
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def __init__(self, **kwargs):
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self.allowed_roles = kwargs.get(
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"allowed_roles",
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)
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async def __call__(
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self, token_data: Annotated[TokenData, Depends(Accessor.get_current_user)]
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):
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"""对当前请求执行权限比较，权限不足抛 403，否则把 ``TokenData`` 透传给路由。"""
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user_authority = await get_authority(token_data.user_id)
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if user_authority < self.allowed_roles:
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raise HTTPException(
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status_code=403,
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detail={
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"message": f"User {token_data.user_id} does not have allowed roles"
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},
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)
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return token_data
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