mirror of https://github.com/coder/code-server.git
290 lines
10 KiB
TypeScript
290 lines
10 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as vscode from 'vscode';
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import * as cp from 'child_process';
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import * as path from 'path';
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import * as fs from 'fs';
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import * as os from 'os';
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import * as net from 'net';
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import { downloadAndUnzipVSCodeServer } from './download';
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import { terminateProcess } from './util/processes';
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let extHostProcess: cp.ChildProcess | undefined;
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const enum CharCode {
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Backspace = 8,
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LineFeed = 10
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}
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let outputChannel: vscode.OutputChannel;
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export function activate(context: vscode.ExtensionContext) {
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function doResolve(_authority: string, progress: vscode.Progress<{ message?: string; increment?: number }>): Promise<vscode.ResolvedAuthority> {
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const serverPromise = new Promise<vscode.ResolvedAuthority>(async (res, rej) => {
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progress.report({ message: 'Starting Test Resolver' });
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outputChannel = vscode.window.createOutputChannel('TestResolver');
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let isResolved = false;
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async function processError(message: string) {
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outputChannel.appendLine(message);
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if (!isResolved) {
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isResolved = true;
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outputChannel.show();
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const result = await vscode.window.showErrorMessage(message, { modal: true }, ...getActions());
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if (result) {
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await result.execute();
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}
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rej(vscode.RemoteAuthorityResolverError.NotAvailable(message, true));
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}
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}
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let lastProgressLine = '';
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function processOutput(output: string) {
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outputChannel.append(output);
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for (let i = 0; i < output.length; i++) {
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const chr = output.charCodeAt(i);
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if (chr === CharCode.LineFeed) {
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const match = lastProgressLine.match(/Extension host agent listening on (\d+)/);
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if (match) {
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isResolved = true;
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res(new vscode.ResolvedAuthority('localhost', parseInt(match[1], 10))); // success!
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}
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lastProgressLine = '';
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} else if (chr === CharCode.Backspace) {
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lastProgressLine = lastProgressLine.substr(0, lastProgressLine.length - 1);
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} else {
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lastProgressLine += output.charAt(i);
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}
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}
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}
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const delay = getConfiguration('startupDelay');
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if (typeof delay === 'number') {
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let remaining = Math.ceil(delay);
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outputChannel.append(`Delaying startup by ${remaining} seconds (configured by "testresolver.startupDelay").`);
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while (remaining > 0) {
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progress.report({ message: `Delayed resolving: Remaining ${remaining}s` });
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await (sleep(1000));
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remaining--;
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}
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}
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if (getConfiguration('startupError') === true) {
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processError('Test Resolver failed for testing purposes (configured by "testresolver.startupError").');
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return;
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}
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const { updateUrl, commit, quality, serverDataFolderName, dataFolderName } = getProductConfiguration();
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const commandArgs = ['--port=0', '--disable-telemetry'];
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const env = getNewEnv();
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const remoteDataDir = process.env['TESTRESOLVER_DATA_FOLDER'] || path.join(os.homedir(), serverDataFolderName || `${dataFolderName}-testresolver`);
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env['VSCODE_AGENT_FOLDER'] = remoteDataDir;
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outputChannel.appendLine(`Using data folder at ${remoteDataDir}`);
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if (!commit) { // dev mode
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const serverCommand = process.platform === 'win32' ? 'server.bat' : 'server.sh';
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const vscodePath = path.resolve(path.join(context.extensionPath, '..', '..'));
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const serverCommandPath = path.join(vscodePath, 'resources', 'server', 'bin-dev', serverCommand);
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extHostProcess = cp.spawn(serverCommandPath, commandArgs, { env, cwd: vscodePath });
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} else {
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const serverCommand = process.platform === 'win32' ? 'server.cmd' : 'server.sh';
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let serverLocation = env['VSCODE_REMOTE_SERVER_PATH']; // support environment variable to specify location of server on disk
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if (!serverLocation) {
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const serverBin = path.join(remoteDataDir, 'bin');
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progress.report({ message: 'Installing VSCode Server' });
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serverLocation = await downloadAndUnzipVSCodeServer(updateUrl, commit, quality, serverBin);
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}
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outputChannel.appendLine(`Using server build at ${serverLocation}`);
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extHostProcess = cp.spawn(path.join(serverLocation, serverCommand), commandArgs, { env, cwd: serverLocation });
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}
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extHostProcess.stdout!.on('data', (data: Buffer) => processOutput(data.toString()));
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extHostProcess.stderr!.on('data', (data: Buffer) => processOutput(data.toString()));
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extHostProcess.on('error', (error: Error) => {
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processError(`server failed with error:\n${error.message}`);
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extHostProcess = undefined;
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});
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extHostProcess.on('close', (code: number) => {
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processError(`server closed unexpectedly.\nError code: ${code}`);
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extHostProcess = undefined;
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});
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context.subscriptions.push({
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dispose: () => {
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if (extHostProcess) {
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terminateProcess(extHostProcess, context.extensionPath);
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}
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}
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});
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});
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return serverPromise.then(serverAddr => {
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return new Promise<vscode.ResolvedAuthority>(async (res, _rej) => {
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const proxyServer = net.createServer(proxySocket => {
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outputChannel.appendLine(`Proxy connection accepted`);
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let remoteReady = true, localReady = true;
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const remoteSocket = net.createConnection({ port: serverAddr.port });
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let isDisconnected = getConfiguration('pause') === true;
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vscode.workspace.onDidChangeConfiguration(_ => {
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let newIsDisconnected = getConfiguration('pause') === true;
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if (isDisconnected !== newIsDisconnected) {
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outputChannel.appendLine(`Connection state: ${newIsDisconnected ? 'open' : 'paused'}`);
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isDisconnected = newIsDisconnected;
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if (!isDisconnected) {
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outputChannel.appendLine(`Resume remote and proxy sockets.`);
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if (remoteSocket.isPaused() && localReady) {
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remoteSocket.resume();
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}
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if (proxySocket.isPaused() && remoteReady) {
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proxySocket.resume();
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}
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} else {
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outputChannel.appendLine(`Pausing remote and proxy sockets.`);
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if (!remoteSocket.isPaused()) {
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remoteSocket.pause();
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}
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if (!proxySocket.isPaused()) {
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proxySocket.pause();
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}
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}
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}
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});
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proxySocket.on('data', (data) => {
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remoteReady = remoteSocket.write(data);
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if (!remoteReady) {
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proxySocket.pause();
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}
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});
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remoteSocket.on('data', (data) => {
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localReady = proxySocket.write(data);
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if (!localReady) {
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remoteSocket.pause();
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}
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});
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proxySocket.on('drain', () => {
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localReady = true;
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if (!isDisconnected) {
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remoteSocket.resume();
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}
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});
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remoteSocket.on('drain', () => {
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remoteReady = true;
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if (!isDisconnected) {
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proxySocket.resume();
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}
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});
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proxySocket.on('close', () => {
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outputChannel.appendLine(`Proxy socket closed, closing remote socket.`);
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remoteSocket.end();
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});
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remoteSocket.on('close', () => {
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outputChannel.appendLine(`Remote socket closed, closing proxy socket.`);
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proxySocket.end();
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});
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context.subscriptions.push({
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dispose: () => {
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proxySocket.end();
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remoteSocket.end();
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}
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});
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});
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proxyServer.listen(0, () => {
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const port = (<net.AddressInfo>proxyServer.address()).port;
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outputChannel.appendLine(`Going through proxy at port ${port}`);
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res(new vscode.ResolvedAuthority('127.0.0.1', port));
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});
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context.subscriptions.push({
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dispose: () => {
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proxyServer.close();
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}
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});
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});
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});
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}
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vscode.workspace.registerRemoteAuthorityResolver('test', {
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resolve(_authority: string): Thenable<vscode.ResolvedAuthority> {
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return vscode.window.withProgress({
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location: vscode.ProgressLocation.Notification,
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title: 'Open TestResolver Remote ([details](command:vscode-testresolver.showLog))',
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cancellable: false
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}, (progress) => doResolve(_authority, progress));
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}
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});
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vscode.commands.registerCommand('vscode-testresolver.newWindow', () => {
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return vscode.commands.executeCommand('vscode.newWindow', { remoteAuthority: 'test+test' });
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});
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vscode.commands.registerCommand('vscode-testresolver.newWindowWithError', () => {
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return vscode.commands.executeCommand('vscode.newWindow', { remoteAuthority: 'test+error' });
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});
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vscode.commands.registerCommand('vscode-testresolver.showLog', () => {
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if (outputChannel) {
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outputChannel.show();
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}
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});
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}
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type ActionItem = (vscode.MessageItem & { execute: () => void; });
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function getActions(): ActionItem[] {
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const actions: ActionItem[] = [];
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const isDirty = vscode.workspace.textDocuments.some(d => d.isDirty) || vscode.workspace.workspaceFile && vscode.workspace.workspaceFile.scheme === 'untitled';
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actions.push({
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title: 'Retry',
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execute: async () => {
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await vscode.commands.executeCommand('workbench.action.reloadWindow');
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}
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});
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if (!isDirty) {
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actions.push({
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title: 'Close Remote',
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execute: async () => {
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await vscode.commands.executeCommand('vscode.newWindow', { reuseWindow: true });
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}
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});
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}
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actions.push({
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title: 'Ignore',
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isCloseAffordance: true,
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execute: async () => {
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vscode.commands.executeCommand('vscode-testresolver.showLog'); // no need to wait
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}
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});
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return actions;
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}
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export interface IProductConfiguration {
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updateUrl: string;
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commit: string;
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quality: string;
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dataFolderName: string;
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serverDataFolderName?: string;
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}
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function getProductConfiguration(): IProductConfiguration {
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const content = fs.readFileSync(path.join(vscode.env.appRoot, 'product.json')).toString();
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return JSON.parse(content) as IProductConfiguration;
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}
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function getNewEnv(): { [x: string]: string | undefined } {
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const env = { ...process.env };
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delete env['ELECTRON_RUN_AS_NODE'];
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return env;
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}
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function sleep(ms: number): Promise<void> {
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return new Promise(resolve => {
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setTimeout(resolve, ms);
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});
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}
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function getConfiguration<T>(id: string): T | undefined {
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return vscode.workspace.getConfiguration('testresolver').get<T>(id);
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}
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