From f2145039a9afd6cc82841d0cec71cf00bc8e2b2e Mon Sep 17 00:00:00 2001
From: chrisftian <chrisftian@tencent.com>
Date: Tue, 6 Dec 2022 11:32:57 +0800
Subject: [PATCH] Feat/2.11.17 beta (#158)
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* feat: 支持动态秘钥Cred

* upd version

* fix: 修改字段
---
 index.d.ts   | 11 ++++++++---
 package.json |  2 +-
 sdk/cos.js   | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 3d1f259..bd643c1 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -194,6 +194,11 @@ declare namespace COS {
         params: GetAuthorizationCallbackParams
       ) => void
     ) => void,
+    /** 支持动态Credentials */
+    Credentials?: {
+      secretId?: string;
+      secretKey?: string;
+    };
   }
 
   type StringOrBuffer = Buffer | String;
@@ -2294,13 +2299,13 @@ declare class COS {
   /** 获取上传任务列表 */
   getTaskList(): COS.TaskList;
 
-  /** 判断上传队列是否有未完成的任务 */
+  /** 暂停任务 */
   pauseTask(taskId: COS.TaskId): void;
 
-  /** 判断上传队列是否有未完成的任务 */
+  /** 重启任务 */
   restartTask(taskId: COS.TaskId): void;
 
-  /** 判断上传队列是否有未完成的任务 */
+  /** 取消任务 */
   cancelTask(taskId: COS.TaskId): void;
 
   /** 判断上传队列是否有未完成的任务 */
diff --git a/package.json b/package.json
index dcc3c8e..85e9e5e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cos-nodejs-sdk-v5",
-  "version": "2.11.16",
+  "version": "2.11.17",
   "description": "cos nodejs sdk v5",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/sdk/cos.js b/sdk/cos.js
index 8454095..575fae4 100644
--- a/sdk/cos.js
+++ b/sdk/cos.js
@@ -44,6 +44,24 @@ var defaultOptions = {
     UserAgent: '',
     ConfCwd: '',
     ForceSignHost: true, // 默认将host加入签名计算，关闭后可能导致越权风险，建议保持为true
+    // 动态秘钥，优先级Credentials > SecretId/SecretKey。注意Cred内是小写的secretId、secretKey
+    Credentials: {
+      secretId: '',
+      secretKey: '',
+    },
+};
+
+const watch = (obj, name, callback) => {
+  let value = obj[name];
+  Object.defineProperty(obj, name, {
+    get() {
+      return value;
+    },
+    set(newValue) {
+      value = newValue;
+      callback();
+    }
+  });
 };
 
 // 对外暴露的类
@@ -66,6 +84,11 @@ var COS = function (options) {
         if (this.options.secretId && !this.options.SecretId) this.options.SecretId = this.options.secretId;
         if (this.options.secretKey && !this.options.SecretKey) this.options.SecretKey = this.options.secretKey;
         console.warn('warning: Please change options secretId/secretKey to SecretId/SecretKey.');
+    }
+        // 支持外部传入Cred动态秘钥
+    if (this.options.Credentials) {
+        this.options.SecretId = this.options.Credentials.secretId || '';
+        this.options.SecretKey = this.options.Credentials.secretKey || '';
     }
     if (this.options.SecretId && this.options.SecretId.indexOf(' ') > -1) {
         console.error('error: SecretId格式错误，请检查');
@@ -81,6 +104,16 @@ var COS = function (options) {
     }
     event.init(this);
     task.init(this);
+
+    // 支持动态秘钥，监听到cred里secretId、secretKey变化时，主动给cos替换秘钥
+    watch(this.options.Credentials, 'secretId', () => {
+      console.log('Credentials secretId changed');
+      this.options.SecretId = this.options.Credentials.secretId;
+    });
+    watch(this.options.Credentials, 'secretKey', () => {
+      console.log('Credentials secretKey changed');
+      this.options.SecretKey = this.options.Credentials.secretKey;
+    });
 };
 
 base.init(COS, task);