use electron net for update checks

src/vs/base/node/request.ts

@@ -17,6 +17,10 @@ import { createGunzip } from 'zlib';
 
 export type Agent = any;
 
+export interface IRawRequestFunction {
+	(options: http.RequestOptions, callback?: (res: http.IncomingMessage) => void): http.ClientRequest;
+}
+
 export interface IRequestOptions {
 	type?: string;
 	url?: string;
@@ -28,6 +32,7 @@ export interface IRequestOptions {
 	agent?: Agent;
 	followRedirects?: number;
 	strictSSL?: boolean;
+	getRawRequest?(options: IRequestOptions): IRawRequestFunction;
 }
 
 export interface IRequestContext {
@@ -44,12 +49,18 @@ export interface IRequestFunction {
 	(options: IRequestOptions): TPromise<IRequestContext>;
 }
 
+function getNodeRequest(options: IRequestOptions): IRawRequestFunction {
+	const endpoint = parseUrl(options.url);
+	return endpoint.protocol === 'https:' ? https.request : http.request;
+}
+
 export function request(options: IRequestOptions): TPromise<IRequestContext> {
 	let req: http.ClientRequest;
 
 	return new TPromise<IRequestContext>((c, e) => {
 		const endpoint = parseUrl(options.url);
-		const rawRequest = endpoint.protocol === 'https:' ? https.request : http.request;
+		const getRawRequest = options.getRawRequest || getNodeRequest;
+		const rawRequest = getRawRequest(options);
 		const opts: https.RequestOptions = {
 			hostname: endpoint.hostname,
 			port: endpoint.port ? parseInt(endpoint.port) : (endpoint.protocol === 'https:' ? 443 : 80),

src/vs/code/electron-main/main.ts

@@ -44,7 +44,7 @@ import { EnvironmentService } from 'vs/platform/environment/node/environmentServ
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { ConfigurationService } from 'vs/platform/configuration/node/configurationService';
 import { IRequestService } from 'vs/platform/request/node/request';
-import { RequestService } from 'vs/platform/request/node/requestService';
+import { RequestService } from 'vs/platform/request/electron-main/requestService';
 import { IURLService } from 'vs/platform/url/common/url';
 import { URLChannel } from 'vs/platform/url/common/urlIpc';
 import { URLService } from 'vs/platform/url/electron-main/urlService';

src/vs/platform/request/electron-main/requestService.ts

+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import { TPromise } from 'vs/base/common/winjs.base';
+import { IRequestOptions, IRequestContext, request, IRawRequestFunction } from 'vs/base/node/request';
+import { RequestService as NodeRequestService } from 'vs/platform/request/node/requestService';
+import { assign } from 'vs/base/common/objects';
+import { net } from 'electron';
+
+function getRawRequest(options: IRequestOptions): IRawRequestFunction {
+	return net.request as any as IRawRequestFunction;
+}
+
+export class RequestService extends NodeRequestService {
+
+	request(options: IRequestOptions): TPromise<IRequestContext> {
+		return super.request(options, options => request(assign({}, options || {}, { getRawRequest })));
+	}
+}
\ No newline at end of file