kms-keyring-browser

Author: seebees

modules/kms-keyring-browser/src/kms_keyring_browser.ts

@@ -30,7 +30,8 @@ import {
   EncryptionContext, // eslint-disable-line no-unused-vars
   EncryptedDataKey, // eslint-disable-line no-unused-vars
   immutableClass,
-  importCryptoKey
+  importCryptoKey,
+  WebCryptoKeyring
 } from '@aws-crypto/material-management-browser'
 import { getWebCryptoBackend } from '@aws-crypto/web-crypto-backend'
 import { KMS, KMSConfiguration } from '@aws-sdk/client-kms-browser' // eslint-disable-line no-unused-vars
@@ -48,7 +49,7 @@ export class KmsKeyringNode extends KmsKeyring<WebCryptoAlgorithmSuite, KMS> {
     kmsKeys,
     generatorKmsKey,
     grantTokens
-  }: KmsKeyringWebCryptoInput) {
+  }: KmsKeyringWebCryptoInput = {}) {
     super({ clientProvider, kmsKeys, generatorKmsKey, grantTokens })
   }
 
@@ -87,6 +88,11 @@ export class KmsKeyringNode extends KmsKeyring<WebCryptoAlgorithmSuite, KMS> {
 
     return _material.setCryptoKey(cryptoKey, trace)
   }
+
+  [Symbol.hasInstance] (obj: any) {
+    return obj instanceof WebCryptoKeyring ||
+      Function.prototype[Symbol.hasInstance].call(this, obj)
+  }
 }
 immutableClass(KmsKeyringNode)
 

modules/kms-keyring-browser/test/kms_keyring_browser.test.ts

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. A copy of the License is
+ * located at
+ *
+ *     http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied. See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* eslint-env mocha */
+
+import { expect } from 'chai'
+import 'mocha'
+import { KmsKeyringNode } from '../src/kms_keyring_browser'
+import { WebCryptoKeyring} from '@aws-crypto/material-management-browser'
+
+describe('KmsKeyringNode', () => {
+  it('instance of WebCryptoKeyring', () => {
+    const test = new KmsKeyringNode()
+    expect(test instanceof WebCryptoKeyring).to.equal(true)
+  })
+})