perf: 支持京东云dns申请证书

packages/libs/lib-jdcloud/src/lib/credentials.js

@@ -0,0 +1,21 @@
+var JDCloud = require('./core')
+
+JDCloud.Credentials = class Credentials {
+  constructor () {
+    this.expired = false
+    this.expireTime = null
+
+    if (arguments.length === 1 && typeof arguments[0] === 'object') {
+      var creds = arguments[0].credentials || arguments[0]
+      this.accessKeyId = creds.accessKeyId
+      this.secretAccessKey = creds.secretAccessKey
+      this.sessionToken = creds.sessionToken
+    } else {
+      this.accessKeyId = arguments[0]
+      this.secretAccessKey = arguments[1]
+      this.sessionToken = arguments[2]
+    }
+  }
+}
+
+module.exports = JDCloud.Credentials