Merge from vscode 2b0b9136329c181a9e381463a1f7dc3a2d105a34 (#4880)

src/vs/workbench/api/browser/mainThreadKeytar.ts

@@ -0,0 +1,61 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { extHostNamedCustomer } from 'vs/workbench/api/common/extHostCustomers';
+import { MainContext, MainThreadKeytarShape, IExtHostContext } from 'vs/workbench/api/common/extHost.protocol';
+
+interface IKeytarModule {
+	getPassword(service: string, account: string): Promise<string | null>;
+	setPassword(service: string, account: string, password: string): Promise<void>;
+	deletePassword(service: string, account: string): Promise<boolean>;
+	findPassword(service: string): Promise<string | null>;
+}
+
+@extHostNamedCustomer(MainContext.MainThreadKeytar)
+export class MainThreadKeytar implements MainThreadKeytarShape {
+
+	private _keytar: IKeytarModule | null;
+
+	constructor(
+		extHostContext: IExtHostContext
+	) {
+		try {
+			this._keytar = <IKeytarModule>require.__$__nodeRequire('keytar');
+		} catch (e) {
+			this._keytar = null;
+		}
+	}
+
+	dispose(): void {
+		//
+	}
+
+	async $getPassword(service: string, account: string): Promise<string | null> {
+		if (this._keytar) {
+			return this._keytar.getPassword(service, account);
+		}
+		return null;
+	}
+
+	async $setPassword(service: string, account: string, password: string): Promise<void> {
+		if (this._keytar) {
+			return this._keytar.setPassword(service, account, password);
+		}
+	}
+
+	async $deletePassword(service: string, account: string): Promise<boolean> {
+		if (this._keytar) {
+			return this._keytar.deletePassword(service, account);
+		}
+		return false;
+	}
+
+	async $findPassword(service: string): Promise<string | null> {
+		if (this._keytar) {
+			return this._keytar.findPassword(service);
+		}
+		return null;
+	}
+}