init: 初始化 dpb 桃育种系统代码库

前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
2026-08-06 00:17:49 +08:00
commit b95053c52c
1469 changed files with 322298 additions and 0 deletions
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+import os
+
+from fastapi import UploadFile
+
+from app.config.setting import settings
+from app.core.base_schema import DownloadFileSchema, UploadResponseSchema
+from app.core.exceptions import CustomException
+from app.core.logger import logger
+from app.utils.upload_util import UploadUtil
+
+
+class FileService:
+    """文件管理服务层
+    """
+
+    @classmethod
+    async def upload_service(
+        cls,
+        base_url: str,
+        file: UploadFile,
+        upload_type: str = "file",
+        target_path: str | None = None,
+    ) -> UploadResponseSchema:
+        """上传文件"""
+
+        filename, filepath, file_url = await UploadUtil.upload_file(
+            file=file,
+            base_url=base_url,
+            upload_type=upload_type,
+            target_path=target_path,
+        )
+
+        return UploadResponseSchema(
+            file_path=f"{filepath}",
+            file_name=filename,
+            origin_name=file.filename,
+            file_url=f"{file_url}",
+        )
+
+    @classmethod
+    async def download_service(cls, file_path: str) -> DownloadFileSchema:
+        """下载文件"""
+        if not file_path:
+            raise CustomException(msg="请选择要下载的文件")
+
+        dangerous_patterns = ["../", "..\\", "\0"]
+        for pattern in dangerous_patterns:
+            if pattern in file_path:
+                logger.error(f"检测到路径穿越攻击: {file_path}")
+                raise CustomException(msg="非法的文件路径")
+
+        upload_root = settings.UPLOAD_FILE_PATH.resolve()
+        abs_path = os.path.normpath(os.path.abspath(file_path))
+
+        if not abs_path.startswith(str(upload_root)):
+            logger.error(f"路径不在上传目录内: {file_path}")
+            raise CustomException(msg="非法的文件路径")
+
+        if not UploadUtil.check_file_exists(abs_path):
+            raise CustomException(msg="文件不存在")
+
+        file_name = UploadUtil.download_file(abs_path)
+
+        return DownloadFileSchema(
+            file_path=abs_path,
+            file_name=str(file_name),
+        )