Web request service

- Redirect requests to server on error

src/vs/workbench/services/request/browser/requestService.ts

@@ -0,0 +1,44 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IRequestOptions, IRequestContext } from 'vs/platform/request/common/request';
+import { CancellationToken } from 'vs/base/common/cancellation';
+import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { ILogService } from 'vs/platform/log/common/log';
+import { RequestChannelClient } from 'vs/platform/request/common/requestIpc';
+import { IRemoteAgentService } from 'vs/workbench/services/remote/common/remoteAgentService';
+import { RequestService } from 'vs/platform/request/browser/requestService';
+
+export class WebRequestService extends RequestService {
+
+	private readonly remoteRequestChannel: RequestChannelClient | null;
+
+	constructor(
+		@IRemoteAgentService remoteAgentService: IRemoteAgentService,
+		@IConfigurationService configurationService: IConfigurationService,
+		@ILogService logService: ILogService
+	) {
+		super(configurationService, logService);
+		const connection = remoteAgentService.getConnection();
+		this.remoteRequestChannel = connection ? new RequestChannelClient(connection.getChannel('request')) : null;
+	}
+
+	async request(options: IRequestOptions, token: CancellationToken): Promise<IRequestContext> {
+		try {
+			const context = await super.request(options, token);
+			if (this.remoteRequestChannel && context.res.statusCode === 405) {
+				return this.remoteRequestChannel.request(options, token);
+			}
+			return context;
+		} catch (error) {
+			if (this.remoteRequestChannel) {
+				const result = await this.remoteRequestChannel.request(options, token);
+				return result;
+			}
+			throw error;
+		}
+	}
+
+}