一切皆为插件的开发者工具运行时框架
🧩 核心特性:
- 插件热插拔 (importlib 动态加载)
- 依赖自动解析 (拓扑排序 + 循环检测)
- 企业级稳定 (熔断/降级/重试/隔离)
- 事件驱动 (发布/订阅事件总线)
- 完整配置 (YAML 配置 + 热重载)
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""静态文件处理器"""
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import os
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import mimetypes
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from pathlib import Path
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from typing import Optional, Any
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from oss.plugin.types import Response
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class StaticFileHandler:
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"""静态文件处理器"""
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def __init__(self, root: str = "./static"):
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self.root = root
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self._ensure_root()
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def _ensure_root(self):
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"""确保静态目录存在"""
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Path(self.root).mkdir(parents=True, exist_ok=True)
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def set_root(self, path: str):
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"""设置静态文件根目录"""
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self.root = path
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self._ensure_root()
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def serve(self, filename: str) -> Optional[Response]:
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"""提供静态文件"""
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file_path = Path(self.root) / filename
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# 安全检查:防止目录遍历
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try:
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file_path.resolve().relative_to(Path(self.root).resolve())
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except ValueError:
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return Response(status=403, body="Forbidden")
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if not file_path.exists() or not file_path.is_file():
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return Response(status=404, body="File not found")
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# 检测 MIME 类型
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content_type, _ = mimetypes.guess_type(str(file_path))
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if not content_type:
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content_type = "application/octet-stream"
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# 读取文件内容
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try:
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if content_type.startswith("text/") or content_type in (
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"application/json", "application/javascript", "application/xml"
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):
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content = file_path.read_text(encoding="utf-8")
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else:
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content = file_path.read_bytes()
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return Response(
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status=200,
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headers={
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"Content-Type": content_type,
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"Cache-Control": "public, max-age=3600",
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},
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body=content,
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)
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except Exception as e:
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return Response(status=500, body=f"Error reading file: {e}")
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def list_files(self) -> list[str]:
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"""列出静态文件"""
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root_path = Path(self.root)
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if not root_path.exists():
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return []
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return [f.name for f in root_path.iterdir() if f.is_file()]
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