Function presign_upload_proxy

apps/base/views.py:722–748

代理模式上传，服务器转存到存储后端

(
    upload_id: str, file: UploadFile = File(...), ip: str = Depends(ip_limit["upload"])
)

    "/upload/proxy/{upload_id}", dependencies=[Depends(share_required_login)]
)
async def presign_upload_proxy(
    upload_id: str, file: UploadFile = File(...), ip: str = Depends(ip_limit["upload"])
):
    """代理模式上传，服务器转存到存储后端"""
    session = await _get_valid_session(upload_id, expected_mode="proxy")

    file_size = await validate_file_size(file, settings.uploadSize)
    if abs(file_size - session.file_size) > 1024:
        raise HTTPException(400, "文件大小与声明不符")

    storage: FileStorageInterface = storages[settings.file_storage]()
    try:
        await storage.save_file(file, session.save_path)
    except Exception as e:
        raise HTTPException(500, f"文件保存失败: {str(e)}")

    code = await FileUploadService.create_file_record(
        session.file_name,
        file_size,
        os.path.dirname(session.save_path),
        session.expire_value,
        session.expire_style,
    )

    await session.delete()
    ip_limit["upload"].add_ip(ip)
    return APIResponse(detail={"code": code, "name": session.file_name})


@presign_api.post(