57 lines
2.3 KiB
Python
57 lines
2.3 KiB
Python
from __future__ import annotations
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from fastapi import APIRouter, Depends, HTTPException, Query
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from pydantic import BaseModel
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from server.utils.auth_middleware import get_db, get_required_user
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from sqlalchemy.ext.asyncio import AsyncSession
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from yuxi.repositories.conversation_repository import ConversationRepository
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from yuxi.services.mention_search_service import search_mention_files_in_index
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from yuxi.storage.postgres.models_business import User
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mention_router = APIRouter(prefix="/mention", tags=["mention"])
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class MentionFileItem(BaseModel):
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"""提及文件搜索结果条目"""
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name: str
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path: str
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is_dir: bool
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@mention_router.get("/search", response_model=list[MentionFileItem])
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async def search_mention_files(
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thread_id: str = Query(..., description="当前聊天会话 ID"),
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query: str = Query("", description="模糊搜索关键字"),
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current_user: User = Depends(get_required_user),
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db: AsyncSession = Depends(get_db),
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):
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"""
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提及文件模糊搜索接口：使用 Redis 二进制缓存进行极速过滤，防止大文件递归卡死。
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调用前校验 thread 归属权，防止 IDOR 越权访问他人会话文件。
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"""
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user_id = str(current_user.id)
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# NOTE: 校验 thread 归属权，防止恶意用户传入他人 thread_id 遍历文件
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conv_repo = ConversationRepository(db)
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conversation = await conv_repo.get_conversation_by_thread_id(thread_id)
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if conversation:
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if conversation.user_id != user_id or conversation.status == "deleted":
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raise HTTPException(status_code=404, detail="对话线程不存在")
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else:
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# NOTE: 如果是尚未在数据库记录的全新对话（还未发送首条消息），在格式校验安全的前提下放行。
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# 此时该 thread 专属的 uploads/outputs 目录还没创建或为空，
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# 用户仅能安全地搜索到自己全局的工作区 (workspace) 文件。
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try:
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from yuxi.agents.backends.sandbox.paths import validate_thread_id
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validate_thread_id(thread_id)
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except ValueError:
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raise HTTPException(status_code=400, detail="非法的 thread_id 格式")
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return await search_mention_files_in_index(
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thread_id=thread_id,
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user_id=user_id,
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query=query,
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)
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