mirror of
https://github.com/fastapiadmin/FastapiAdmin.git
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zhangtao
9e80f970d0
- 移除各路由文件顶部冗余注释 - 将 JobRouter/NodeRouter 重命名为 CornJobRouter/CornJobNodeRouter - 新增存储浏览、节点、传输、工作流路由注册 - 调整路由导入来源与任务表名 - 优化 main.py 启动方式及环境配置加载
67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
from pathlib import Path
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from fastapi import UploadFile
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from app.config.setting import settings
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from app.core.base_schema import DownloadFileSchema, UploadResponseSchema
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from app.core.exceptions import CustomException
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from app.core.logger import logger
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from app.utils.upload_util import UploadUtil
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class FileService:
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"""文件管理服务层
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"""
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@classmethod
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async def upload_service(
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cls,
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base_url: str,
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file: UploadFile,
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upload_type: str = "file",
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target_path: str | None = None,
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) -> UploadResponseSchema:
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"""上传文件"""
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filename, filepath, file_url = await UploadUtil.upload_file(
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file=file,
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base_url=base_url,
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upload_type=upload_type,
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target_path=target_path,
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)
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return UploadResponseSchema(
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file_path=f"{filepath}",
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file_name=filename,
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origin_name=file.filename,
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file_url=f"{file_url}",
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)
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@classmethod
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async def download_service(cls, file_path: str) -> DownloadFileSchema:
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"""下载文件"""
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if not file_path:
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raise CustomException(msg="请选择要下载的文件")
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dangerous_patterns = ["../", "..\\", "\0"]
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for pattern in dangerous_patterns:
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if pattern in file_path:
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logger.error(f"检测到路径穿越攻击: {file_path}")
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raise CustomException(msg="非法的文件路径")
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upload_root = settings.UPLOAD_FILE_PATH.resolve()
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# resolve() 会规范化路径并解析符号链接；is_relative_to 做目录包含判断，
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# 避免 startswith 字符串前缀被同前缀兄弟目录（如 uploads_private）绕过
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abs_path = Path(file_path).resolve()
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if not abs_path.is_relative_to(upload_root):
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logger.error(f"路径不在上传目录内: {file_path}")
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raise CustomException(msg="非法的文件路径")
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if not UploadUtil.check_file_exists(str(abs_path)):
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raise CustomException(msg="文件不存在")
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return DownloadFileSchema(
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file_path=str(abs_path),
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file_name=abs_path.name,
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)
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