流式渲染修复: - runId 机制防止 abort 后旧流事件污染新 run - run lock 防止并发 run 污染引擎状态 - abort race 提前退出工具执行等待 - TERMINATED 状态通过 stateChange 发射 - tool_call_delta 流式参数拼接 + pending 占位替换 - 首轮卡片创建路径统一,traceStep 按 ID 精确匹配 - compressed 事件转发为 toast 通知 安全增强: - ConfirmationHook 支持持久化自动执行(跨会话) - 设置面板新增自动执行工具管理 UI - SandboxManager 双重安全校验 fail-closed - 审计日志链式哈希防篡改 - PromptInjectionDefender 中文注入标记清理 - scanCode 28 模式 + base64/$() 检测 - validatePath realpathSync 防符号链接逃逸 - code-search 使用 execFile 防命令注入 新增工具: - file_editor、code_search、task_manager、diff_viewer 其他: - Agent Loop 加 PARSING/REFLECTING 状态 + 指数退避重试 - MemoryManager TF-IDF 语义检索 - run_command Windows 中文编码修复(chcp 65001) - 版本号 0.2.0 → 0.2.1
223 lines
7.1 KiB
TypeScript
223 lines
7.1 KiB
TypeScript
/**
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* Confirmation Hook — 工具执行前用户确认钩子(v0.2.0 新增)
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*
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* 对 requiresPermission=true 或 riskLevel >= HIGH 的工具,
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* 通过 IPC 请求用户确认后再执行。
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*
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* 支持两种自动执行机制:
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* 1. 持久化自动执行(跨会话):存储在 ConfigService `tools.{toolName}.autoExecute`
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* 2. 会话内记忆:同一会话内不再重复询问(rememberDecisions)
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*
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* @see docs/生产级通用 AI Agent 智能体桌面应用:完整设计与构建指南.html — 第五章
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*/
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import { BrowserWindow } from 'electron';
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import type { MetonaToolCall, MetonaToolDef } from '../types';
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import type { PreToolHook, HookResult } from './pre-tool';
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import type { ConfigService } from '../../services/config.service';
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export interface ConfirmationRequest {
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toolCallId: string;
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toolName: string;
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args: Record<string, unknown>;
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riskLevel: string;
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reason: string;
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}
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export class ConfirmationHook implements PreToolHook {
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/** 需要确认的风险等级 */
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private static REQUIRES_CONFIRMATION = ['high', 'critical'];
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/** 工具定义缓存(由外部设置) */
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private toolDefs = new Map<string, MetonaToolDef>();
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/** 用户选择记忆(同一会话内不再重复询问) */
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private rememberedDecisions = new Map<string, boolean>();
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/** 持久化自动执行的工具集合(从 ConfigService 加载,跨会话生效) */
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private autoExecuteTools = new Set<string>();
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/** 等待确认的 Promise 解析器 */
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private pendingConfirmations = new Map<string, { resolve: (v: boolean) => void; timer: NodeJS.Timeout; toolName: string }>();
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/** 确认超时时间(默认 120 秒) */
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private readonly confirmationTimeoutMs = 120_000;
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constructor(
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private mainWindow: BrowserWindow | null = null,
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private configService: ConfigService | null = null,
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) {
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this.loadAutoExecuteList();
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}
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/** 设置主窗口(用于发送 IPC 消息) */
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setMainWindow(window: BrowserWindow): void {
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this.mainWindow = window;
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}
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/**
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* 从 ConfigService 加载已设置为自动执行的工具列表
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* 配置键格式:tools.{toolName}.autoExecute = true
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*/
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private loadAutoExecuteList(): void {
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if (!this.configService) return;
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try {
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const all = this.configService.getAll();
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this.autoExecuteTools.clear();
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for (const [key, value] of Object.entries(all)) {
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// 匹配 tools.{toolName}.autoExecute 键
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const match = /^tools\.(.+)\.autoExecute$/.exec(key);
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if (match && value === true) {
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this.autoExecuteTools.add(match[1]);
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}
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}
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} catch {
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// 配置加载失败,忽略(不阻塞启动)
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}
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}
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/**
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* 设置/取消工具的持久化自动执行
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* @param toolName 工具名
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* @param enabled true=自动执行(不再询问),false=每次询问
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*/
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setAutoExecute(toolName: string, enabled: boolean): void {
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const configKey = `tools.${toolName}.autoExecute`;
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if (this.configService) {
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this.configService.set(configKey, enabled);
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}
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if (enabled) {
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this.autoExecuteTools.add(toolName);
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// 自动执行时同步清除会话内"拒绝"记忆(避免冲突)
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this.rememberedDecisions.delete(toolName);
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} else {
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this.autoExecuteTools.delete(toolName);
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}
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}
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/**
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* 获取当前自动执行的工具列表
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*/
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getAutoExecuteList(): string[] {
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return Array.from(this.autoExecuteTools);
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}
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/** 注入工具定义列表(用于查询风险等级) */
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setToolDefs(defs: MetonaToolDef[]): void {
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this.toolDefs.clear();
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for (const def of defs) {
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this.toolDefs.set(def.name, def);
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}
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}
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/**
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* 处理用户确认响应(由 IPC handler 调用)
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* @param remember 会话内记住决定
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* @param autoExecute 永久自动执行(持久化)
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*/
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resolveConfirmation(toolCallId: string, approved: boolean, remember: boolean, autoExecute: boolean = false): void {
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const pending = this.pendingConfirmations.get(toolCallId);
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if (pending) {
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clearTimeout(pending.timer);
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pending.resolve(approved);
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// 永久自动执行(仅当用户批准时才设置)
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if (autoExecute && approved) {
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this.setAutoExecute(pending.toolName, true);
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}
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// 会话内记忆
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if (remember) {
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this.rememberedDecisions.set(pending.toolName, approved);
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}
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this.pendingConfirmations.delete(toolCallId);
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}
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}
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async beforeExecute(toolCall: MetonaToolCall, _sessionId: string): Promise<HookResult> {
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const def = this.toolDefs.get(toolCall.name);
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if (!def) {
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// 未知工具,放行(由 ToolRegistry 处理未知工具错误)
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return { blocked: false };
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}
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// 检查是否需要确认
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const needsConfirmation = def.requiresPermission ||
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ConfirmationHook.REQUIRES_CONFIRMATION.includes(def.riskLevel);
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if (!needsConfirmation) {
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return { blocked: false };
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}
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// 优先检查持久化自动执行(跨会话生效)
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if (this.autoExecuteTools.has(toolCall.name)) {
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return { blocked: false };
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}
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// 检查是否有记住的决策
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const remembered = this.rememberedDecisions.get(toolCall.name);
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if (remembered !== undefined) {
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if (remembered) return { blocked: false };
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return { blocked: true, reason: `User previously denied tool "${toolCall.name}"` };
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}
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// 如果没有主窗口,安全起见阻止执行
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if (!this.mainWindow || this.mainWindow.isDestroyed()) {
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return { blocked: true, reason: 'Cannot request confirmation: no main window available' };
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}
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// 发送确认请求到渲染进程
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const request: ConfirmationRequest = {
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toolCallId: toolCall.id,
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toolName: toolCall.name,
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args: toolCall.args,
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riskLevel: def.riskLevel,
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reason: def.requiresPermission
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? `Tool "${toolCall.name}" requires permission (risk: ${def.riskLevel})`
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: `Tool "${toolCall.name}" has high risk level: ${def.riskLevel}`,
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};
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// 等待用户响应(带超时)
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const approved = await this.waitForConfirmation(request);
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if (!approved) {
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return { blocked: true, reason: `User denied execution of tool "${toolCall.name}"` };
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}
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return { blocked: false };
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}
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/**
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* 等待用户确认(带超时)
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*/
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private waitForConfirmation(request: ConfirmationRequest): Promise<boolean> {
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return new Promise<boolean>((resolve) => {
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// 设置超时
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const timer = setTimeout(() => {
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this.pendingConfirmations.delete(request.toolCallId);
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resolve(false); // 超时视为拒绝
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}, this.confirmationTimeoutMs);
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this.pendingConfirmations.set(request.toolCallId, {
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resolve,
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timer,
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toolName: request.toolName,
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});
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// 发送确认请求到渲染进程
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if (this.mainWindow && !this.mainWindow.isDestroyed()) {
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this.mainWindow.webContents.send('tool:confirmationRequest', request);
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}
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});
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}
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/**
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* 清理所有等待中的确认(会话结束时调用)
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*/
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clearPending(): void {
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for (const [, pending] of this.pendingConfirmations) {
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clearTimeout(pending.timer);
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pending.resolve(false);
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}
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this.pendingConfirmations.clear();
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}
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}
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