feat: 新增脚手架/开发模式/权限白名单/system-monitor插件
- nebula create mod/key/list-templates 模组脚手架 - nebula dev 开发模式热重载 - manifest permissions.imports 权限白名单机制 - system-monitor 系统监控仪表盘插件 - 默认端口统一为 10086 - 修复 _init_nbpf 误读 Ed25519 私钥为 RSA 的 bug - 更新 README.md 文档
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@@ -55,6 +55,7 @@ class NBPFLoader:
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self.trusted_ed25519_keys = trusted_ed25519_keys or {}
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self.trusted_rsa_keys = trusted_rsa_keys or {}
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self.rsa_private_key = rsa_private_key
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self._current_allowed_imports: list[str] = []
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def load(
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self,
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@@ -112,7 +113,12 @@ class NBPFLoader:
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meta = manifest.get("metadata", {})
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name = plugin_name or meta.get("name", nbpf_path.stem)
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# 9. 反序列化并执行
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# 9. 反序列化并执行(传入 imports 白名单)
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perms = manifest.get("permissions", {})
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if isinstance(perms, dict):
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self._current_allowed_imports = perms.get("imports", [])
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else:
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self._current_allowed_imports = []
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instance, module = self._deserialize_and_exec(nir_data, name)
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# 10. 构建插件信息
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@@ -326,7 +332,7 @@ class NBPFLoader:
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"""反序列化 NIR 并执行,返回 (instance, module)"""
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# 构建安全的全局命名空间
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safe_globals = self._build_safe_globals(plugin_name)
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safe_globals = self._build_safe_globals(plugin_name, self._current_allowed_imports)
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# 按依赖顺序执行模块
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main_module = None
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@@ -365,9 +371,12 @@ class NBPFLoader:
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return instance, main_module
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def _build_safe_globals(self, plugin_name: str) -> dict:
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def _build_safe_globals(self, plugin_name: str, allowed_imports: list[str] = None) -> dict:
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"""构建安全的全局命名空间
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如果插件在 manifest 中声明了 imports 权限,将 `__import__` 加回内置函数,
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并用白名单包装器限制只能导入声明的模块。
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注意:Python 沙箱无法完全阻止通过 ()__class__.__bases__[0].__subclasses__()
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等反射方式逃逸。本沙箱仅用于防止意外访问危险模块,真正的安全隔离
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需要 OS 级容器化。
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@@ -390,6 +399,19 @@ class NBPFLoader:
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'KeyError': KeyError, 'IndexError': IndexError,
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'Exception': Exception, 'BaseException': BaseException,
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}
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# 如果插件声明了 imports 权限,添加白名单 __import__
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if allowed_imports:
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_allowed_set = set(allowed_imports)
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def _safe_import(name, *args, **kwargs):
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base = name.split(".")[0]
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if base not in _allowed_set:
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raise ImportError(
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f"模块 '{name}' 不在权限白名单中。"
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f"请在 manifest.json 的 permissions.imports 中声明: {sorted(_allowed_set)}"
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)
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return __import__(name, *args, **kwargs)
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safe_builtins['__import__'] = _safe_import
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return {
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'__builtins__': safe_builtins,
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'__name__': f'nbpf.{plugin_name}',
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