230 lines
7.1 KiB
TypeScript
230 lines
7.1 KiB
TypeScript
import * as fs from "fs";
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import * as http from "http";
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import * as net from "net";
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import * as path from "path";
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import * as util from "util";
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import * as url from "url";
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import { Emitter } from "vs/base/common/event";
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import { getMediaMime } from "vs/base/common/mime";
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import { Schemas } from "vs/base/common/network";
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import { extname } from "vs/base/common/path";
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import { URI } from "vs/base/common/uri";
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import { IPCServer, ClientConnectionEvent } from "vs/base/parts/ipc/common/ipc";
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import { validatePaths } from "vs/code/node/paths";
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import { parseMainProcessArgv } from "vs/platform/environment/node/argvHelper";
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import { ParsedArgs } from "vs/platform/environment/common/environment";
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import { EnvironmentService } from "vs/platform/environment/node/environmentService";
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import { InstantiationService } from "vs/platform/instantiation/common/instantiationService";
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import { ConsoleLogMainService } from "vs/platform/log/common/log";
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import { LogLevelSetterChannel } from "vs/platform/log/common/logIpc";
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import { IProductConfiguration } from "vs/platform/product/common/product";
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import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
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import { REMOTE_FILE_SYSTEM_CHANNEL_NAME } from "vs/platform/remote/common/remoteAgentFileSystemChannel";
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import { IWorkbenchConstructionOptions } from "vs/workbench/workbench.web.api";
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import { Connection, Server as IServer } from "vs/server/connection";
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import { ExtensionEnvironmentChannel, FileProviderChannel } from "vs/server/channel";
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import { Socket } from "vs/server/socket";
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export enum HttpCode {
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Ok = 200,
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NotFound = 404,
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BadRequest = 400,
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}
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export interface Options {
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WORKBENCH_WEB_CONGIGURATION: IWorkbenchConstructionOptions;
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REMOTE_USER_DATA_URI: URI;
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PRODUCT_CONFIGURATION: IProductConfiguration | null;
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CONNECTION_AUTH_TOKEN: string;
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}
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export class HttpError extends Error {
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public constructor(message: string, public readonly code: number) {
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super(message);
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// @ts-ignore
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this.name = this.constructor.name;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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export class Server implements IServer {
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// When a new client connects, it will fire this event which is used in the
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// IPC server which manages channels.
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public readonly _onDidClientConnect = new Emitter<ClientConnectionEvent>();
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public readonly onDidClientConnect = this._onDidClientConnect.event;
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private readonly rootPath = path.resolve(__dirname, "../../..");
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// This is separate instead of just extending this class since we can't
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// use properties in the super call. This manages channels.
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private readonly ipc = new IPCServer(this.onDidClientConnect);
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// The web server.
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private readonly server: http.Server;
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private readonly environmentService: EnvironmentService;
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// Persistent connections. These can reconnect within a timeout. Individual
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// sockets will add connections made through them to this map and remove them
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// when they close.
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public readonly connections = new Map<ConnectionType, Map<string, Connection>>();
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public constructor() {
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this.server = http.createServer(async (request, response): Promise<void> => {
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try {
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const [content, headers] = await this.handleRequest(request);
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response.writeHead(HttpCode.Ok, {
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"Cache-Control": "max-age=86400",
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// TODO: ETag?
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...headers,
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});
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response.end(content);
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} catch (error) {
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response.writeHead(typeof error.code === "number" ? error.code : 500);
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response.end(error.message);
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}
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});
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this.server.on("upgrade", (request, socket) => {
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try {
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const nodeSocket = this.handleUpgrade(request, socket);
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nodeSocket.handshake(this);
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} catch (error) {
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socket.end(error.message);
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}
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});
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this.server.on("error", (error) => {
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console.error(error);
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process.exit(1);
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});
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let args: ParsedArgs;
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try {
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args = parseMainProcessArgv(process.argv);
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args = validatePaths(args);
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} catch (error) {
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console.error(error.message);
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return process.exit(1);
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}
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this.environmentService = new EnvironmentService(args, process.execPath);
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// TODO: might want to use spdlog.
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const logService = new ConsoleLogMainService();
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this.ipc.registerChannel("loglevel", new LogLevelSetterChannel(logService));
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const instantiationService = new InstantiationService();
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instantiationService.invokeFunction(() => {
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this.ipc.registerChannel(
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REMOTE_FILE_SYSTEM_CHANNEL_NAME,
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new FileProviderChannel(logService),
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);
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this.ipc.registerChannel(
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"remoteextensionsenvironment",
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new ExtensionEnvironmentChannel(this.environmentService),
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);
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});
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}
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private async handleRequest(request: http.IncomingMessage): Promise<[string | Buffer, http.OutgoingHttpHeaders]> {
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if (request.method !== "GET") {
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throw new HttpError(
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`Unsupported method ${request.method}`,
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HttpCode.BadRequest,
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);
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}
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const requestPath = url.parse(request.url || "").pathname || "/";
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if (requestPath === "/") {
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const htmlPath = path.join(
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this.rootPath,
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'out/vs/code/browser/workbench/workbench.html',
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);
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let html = await util.promisify(fs.readFile)(htmlPath, "utf8");
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const options: Options = {
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WORKBENCH_WEB_CONGIGURATION: {
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remoteAuthority: request.headers.host as string,
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},
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REMOTE_USER_DATA_URI: this.environmentService.webUserDataHome.with({ scheme: Schemas.vscodeRemote }),
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PRODUCT_CONFIGURATION: null,
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CONNECTION_AUTH_TOKEN: "",
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};
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Object.keys(options).forEach((key) => {
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html = html.replace(`"{{${key}}}"`, `'${JSON.stringify(options[key])}'`);
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});
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html = html.replace('{{WEBVIEW_ENDPOINT}}', ""); // TODO
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return [html, {
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"Content-Type": "text/html",
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}];
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}
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try {
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const content = await util.promisify(fs.readFile)(
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path.join(this.rootPath, requestPath),
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);
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return [content, {
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"Content-Type": getMediaMime(requestPath) || {
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".css": "text/css",
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".html": "text/html",
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".js": "text/javascript",
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".json": "application/json",
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}[extname(requestPath)] || "text/plain",
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}];
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} catch (error) {
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if (error.code === "ENOENT" || error.code === "EISDIR") {
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throw new HttpError("Not found", HttpCode.NotFound);
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}
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throw error;
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}
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}
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private handleUpgrade(request: http.IncomingMessage, socket: net.Socket): Socket {
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if (request.headers.upgrade !== "websocket") {
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throw new Error("HTTP/1.1 400 Bad Request");
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}
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const options = {
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reconnectionToken: "",
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reconnection: false,
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skipWebSocketFrames: false,
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};
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if (request.url) {
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const query = url.parse(request.url, true).query;
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if (query.reconnectionToken) {
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options.reconnectionToken = query.reconnectionToken as string;
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}
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if (query.reconnection === "true") {
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options.reconnection = true;
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}
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if (query.skipWebSocketFrames === "true") {
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options.skipWebSocketFrames = true;
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}
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}
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const nodeSocket = new Socket(socket, options);
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nodeSocket.upgrade(request.headers["sec-websocket-key"] as string);
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return nodeSocket;
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}
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public listen(port: number = 8443): void {
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this.server.listen(port, () => {
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const address = this.server.address();
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const location = typeof address === "string"
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? address
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: `port ${address.port}`;
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console.log(`Listening on ${location}`);
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console.log(`Serving ${this.rootPath}`);
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});
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}
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}
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