From f05d89417a2f7dd863db41dd53890ad6e9a034f0 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Fri, 29 May 2026 20:11:29 +0800
Subject: [PATCH] =?UTF-8?q?[GLADA]=20GLADA-CAB-20260415-001=20step3=201.?=
 =?UTF-8?q?=20=E5=88=9B=E5=BB=BA=E4=BA=86agent-handshake.js=E6=A8=A1?=
 =?UTF-8?q?=E5=9D=97=EF=BC=8C=E5=AE=9E=E7=8E=B0Agent=E6=8F=A1=E6=89=8B?=
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---
 server/app/modules/agent-handshake.js | 187 ++++++++++++++++++++++++++
 server/app/package.json               |   3 +-
 2 files changed, 189 insertions(+), 1 deletion(-)
 create mode 100644 server/app/modules/agent-handshake.js

diff --git a/server/app/modules/agent-handshake.js b/server/app/modules/agent-handshake.js
new file mode 100644
index 0000000..fb825af
--- /dev/null
+++ b/server/app/modules/agent-handshake.js
@@ -0,0 +1,187 @@
+'use strict';
+
+const crypto = require('crypto');
+const { v4: uuidv4 } = require('uuid');
+
+// ─── 常量 ───
+const HANDSHAKE_EXPIRE_MS = 5 * 60 * 1000; // 5分钟
+const HEARTBEAT_INTERVAL_MS = 30 * 1000;  // 30秒
+const CONNECTION_EXPIRE_MS = 24 * 60 * 60 * 1000; // 24小时
+
+// ─── 内存存储 ───
+const pendingHandshakes = new Map(); // handshakeId → { initiatorId, targetId, createdAt, tempKey }
+const activeConnections = new Map(); // connectionId → { initiatorId, targetId, createdAt, lastHeartbeat, sharedKey }
+
+/**
+ * 初始化握手
+ * @param {string} initiatorId - 发起方Agent ID
+ * @param {string} targetId - 目标Agent ID
+ * @param {string} token - 会话token
+ * @returns {{handshakeId: string, tempKey: string, expiresAt: string}}
+ */
+function initiateHandshake(initiatorId, targetId, token) {
+  if (!initiatorId || !targetId || !token) {
+    throw new Error('缺少必要参数');
+  }
+
+  // 验证会话token
+  // TODO: 集成现有会话验证系统
+
+  const handshakeId = uuidv4();
+  const tempKey = crypto.randomBytes(32).toString('hex');
+  const expiresAt = Date.now() + HANDSHAKE_EXPIRE_MS;
+
+  pendingHandshakes.set(handshakeId, {
+    initiatorId,
+    targetId,
+    tempKey,
+    createdAt: Date.now(),
+    expiresAt
+  });
+
+  return {
+    handshakeId,
+    tempKey,
+    expiresAt: new Date(expiresAt).toISOString()
+  };
+}
+
+/**
+ * 完成握手
+ * @param {string} handshakeId - 握手ID
+ * @param {string} targetId - 目标Agent ID
+ * @param {string} targetKey - 目标Agent临时密钥
+ * @param {string} token - 会话token
+ * @returns {{connectionId: string, sharedKey: string, expiresAt: string}}
+ */
+function completeHandshake(handshakeId, targetId, targetKey, token) {
+  if (!handshakeId || !targetId || !targetKey || !token) {
+    throw new Error('缺少必要参数');
+  }
+
+  const handshake = pendingHandshakes.get(handshakeId);
+  if (!handshake) {
+    throw new Error('无效的握手ID');
+  }
+
+  if (Date.now() > handshake.expiresAt) {
+    pendingHandshakes.delete(handshakeId);
+    throw new Error('握手已过期');
+  }
+
+  if (handshake.targetId !== targetId) {
+    throw new Error('目标Agent不匹配');
+  }
+
+  // 验证临时密钥
+  if (handshake.tempKey !== targetKey) {
+    throw new Error('无效的临时密钥');
+  }
+
+  // 生成共享密钥
+  const connectionId = uuidv4();
+  const sharedKey = crypto.randomBytes(32).toString('hex');
+  const expiresAt = Date.now() + CONNECTION_EXPIRE_MS;
+
+  activeConnections.set(connectionId, {
+    initiatorId: handshake.initiatorId,
+    targetId: handshake.targetId,
+    sharedKey,
+    createdAt: Date.now(),
+    lastHeartbeat: Date.now(),
+    expiresAt
+  });
+
+  // 清理握手
+  pendingHandshakes.delete(handshakeId);
+
+  return {
+    connectionId,
+    sharedKey,
+    expiresAt: new Date(expiresAt).toISOString()
+  };
+}
+
+/**
+ * 心跳检测
+ * @param {string} connectionId - 连接ID
+ * @param {string} token - 会话token
+ * @returns {{alive: boolean, expiresAt: string}}
+ */
+function heartbeat(connectionId, token) {
+  if (!connectionId || !token) {
+    throw new Error('缺少必要参数');
+  }
+
+  const connection = activeConnections.get(connectionId);
+  if (!connection) {
+    throw new Error('无效的连接ID');
+  }
+
+  if (Date.now() > connection.expiresAt) {
+    activeConnections.delete(connectionId);
+    throw new Error('连接已过期');
+  }
+
+  connection.lastHeartbeat = Date.now();
+
+  return {
+    alive: true,
+    expiresAt: new Date(connection.expiresAt).toISOString()
+  };
+}
+
+/**
+ * 断开连接
+ * @param {string} connectionId - 连接ID
+ * @param {string} token - 会话token
+ * @returns {{success: boolean}}
+ */
+function disconnect(connectionId, token) {
+  if (!connectionId || !token) {
+    throw new Error('缺少必要参数');
+  }
+
+  activeConnections.delete(connectionId);
+  return { success: true };
+}
+
+/**
+ * 验证连接
+ * @param {string} connectionId - 连接ID
+ * @param {string} sharedKey - 共享密钥
+ * @returns {{valid: boolean, initiatorId?: string, targetId?: string}}
+ */
+function validateConnection(connectionId, sharedKey) {
+  if (!connectionId || !sharedKey) {
+    return { valid: false };
+  }
+
+  const connection = activeConnections.get(connectionId);
+  if (!connection) {
+    return { valid: false };
+  }
+
+  if (Date.now() > connection.expiresAt) {
+    activeConnections.delete(connectionId);
+    return { valid: false };
+  }
+
+  if (connection.sharedKey !== sharedKey) {
+    return { valid: false };
+  }
+
+  return {
+    valid: true,
+    initiatorId: connection.initiatorId,
+    targetId: connection.targetId
+  };
+}
+
+module.exports = {
+  initiateHandshake,
+  completeHandshake,
+  heartbeat,
+  disconnect,
+  validateConnection
+};
\ No newline at end of file
diff --git a/server/app/package.json b/server/app/package.json
index e4f826d..90ad51d 100644
--- a/server/app/package.json
+++ b/server/app/package.json
@@ -25,7 +25,8 @@
     "pg": "^8.13.0",
     "nodemailer": "^7.0.11",
     "node-fetch": "^3.3.2",
-    "cos-nodejs-sdk-v5": "^2.11.19"
+    "cos-nodejs-sdk-v5": "^2.11.19",
+    "uuid": "^9.0.0"
   },
   "engines": {
     "node": ">=20.0.0"