import { field, logger } from "@coder/logger"; import { ServerMessage, SharedProcessActive } from "@coder/protocol/src/proto"; import { ChildProcess, fork, ForkOptions, spawn } from "child_process"; import { randomFillSync } from "crypto"; import * as fs from "fs"; import * as fse from "fs-extra"; import * as os from "os"; import * as path from "path"; import * as WebSocket from "ws"; import { buildDir, cacheHome, dataHome, isCli, serveStatic } from "./constants"; import { setup as setupNativeModules } from "./modules"; import { createApp } from "./server"; import { forkModule, requireFork, requireModule } from "./vscode/bootstrapFork"; import { SharedProcess, SharedProcessState } from "./vscode/sharedProcess"; import opn = require("opn"); import * as commander from "commander"; commander.version(process.env.VERSION || "development") .name("code-server") .description("Run VS Code on a remote server.") .option("--cert ") .option("--cert-key ") .option("-d, --data-dir ", "Customize where user-data is stored.") .option("-h, --host ", "Customize the hostname.", "0.0.0.0") .option("-o, --open", "Open in the browser on startup.", false) .option("-p, --port ", "Port to bind on.", 8443) .option("-N, --no-auth", "Start without requiring authentication.", undefined) .option("-H, --allow-http", "Allow http connections.", false) .option("-P, --password ", "Specify a password for authentication.") .option("--bootstrap-fork ", "Used for development. Never set.") .option("--fork ", "Used for development. Never set.") .option("--extra-args ", "Used for development. Never set.") .arguments("Specify working directory.") .parse(process.argv); Error.stackTraceLimit = Infinity; if (isCli) { require("nbin").shimNativeFs(buildDir); } // Makes strings or numbers bold in stdout const bold = (text: string | number): string | number => { return `\u001B[1m${text}\u001B[0m`; }; (async (): Promise => { const args = commander.args; const options = commander.opts() as { noAuth: boolean; readonly allowHttp: boolean; readonly host: string; readonly port: number; readonly dataDir?: string; readonly password?: string; readonly open?: boolean; readonly cert?: string; readonly certKey?: string; readonly bootstrapFork?: string; readonly fork?: string; readonly extraArgs?: string; }; // Commander has an exception for `--no` prefixes. Here we'll adjust that. // tslint:disable-next-line:no-any const noAuthValue = (commander as any).auth; options.noAuth = !noAuthValue; const dataDir = path.resolve(options.dataDir || path.join(dataHome, "code-server")); const workingDir = path.resolve(args[0] || process.cwd()); if (!fs.existsSync(dataDir)) { const oldDataDir = path.resolve(path.join(os.homedir(), ".code-server")); if (fs.existsSync(oldDataDir)) { await fse.move(oldDataDir, dataDir); logger.info(`Moved data directory from ${oldDataDir} to ${dataDir}`); } } await Promise.all([ fse.mkdirp(cacheHome), fse.mkdirp(dataDir), fse.mkdirp(workingDir), ]); setupNativeModules(dataDir); const builtInExtensionsDir = path.resolve(buildDir || path.join(__dirname, ".."), "build/extensions"); if (options.bootstrapFork) { const modulePath = options.bootstrapFork; if (!modulePath) { logger.error("No module path specified to fork!"); process.exit(1); } ((options.extraArgs ? JSON.parse(options.extraArgs) : []) as string[]).forEach((arg, i) => { // [0] contains the binary running the script (`node` for example) and // [1] contains the script name, so the arguments come after that. process.argv[i + 2] = arg; }); return requireModule(modulePath, dataDir, builtInExtensionsDir); } if (options.fork) { const modulePath = options.fork; return requireFork(modulePath, JSON.parse(options.extraArgs!), builtInExtensionsDir); } const logDir = path.join(cacheHome, "code-server/logs", new Date().toISOString().replace(/[-:.TZ]/g, "")); process.env.VSCODE_LOGS = logDir; const certPath = options.cert ? path.resolve(options.cert) : undefined; const certKeyPath = options.certKey ? path.resolve(options.certKey) : undefined; if (certPath && !certKeyPath) { logger.error("'--cert-key' flag is required when specifying a certificate!"); process.exit(1); } if (!certPath && certKeyPath) { logger.error("'--cert' flag is required when specifying certificate key!"); process.exit(1); } let certData: Buffer | undefined; let certKeyData: Buffer | undefined; if (typeof certPath !== "undefined" && typeof certKeyPath !== "undefined") { try { certData = fs.readFileSync(certPath); } catch (ex) { logger.error(`Failed to read certificate: ${ex.message}`); process.exit(1); } try { certKeyData = fs.readFileSync(certKeyPath); } catch (ex) { logger.error(`Failed to read certificate key: ${ex.message}`); process.exit(1); } } logger.info(`\u001B[1mcode-server ${process.env.VERSION ? `v${process.env.VERSION}` : "development"}`); // TODO: fill in appropriate doc url logger.info("Additional documentation: http://github.com/codercom/code-server"); logger.info("Initializing", field("data-dir", dataDir), field("working-dir", workingDir), field("log-dir", logDir)); const sharedProcess = new SharedProcess(dataDir, builtInExtensionsDir); const sendSharedProcessReady = (socket: WebSocket): void => { const active = new SharedProcessActive(); active.setSocketPath(sharedProcess.socketPath); active.setLogPath(logDir); const serverMessage = new ServerMessage(); serverMessage.setSharedProcessActive(active); socket.send(serverMessage.serializeBinary()); }; sharedProcess.onState((event) => { if (event.state === SharedProcessState.Ready) { app.wss.clients.forEach((c) => sendSharedProcessReady(c)); } }); let password = options.password; if (!password) { // Generate a random password with a length of 24. const buffer = Buffer.alloc(12); randomFillSync(buffer); password = buffer.toString("hex"); } const hasCustomHttps = certData && certKeyData; const app = await createApp({ allowHttp: options.allowHttp, bypassAuth: options.noAuth, registerMiddleware: (app): void => { app.use((req, res, next) => { res.on("finish", () => { logger.trace(`\u001B[1m${req.method} ${res.statusCode} \u001B[0m${req.url}`, field("host", req.hostname), field("ip", req.ip)); }); next(); }); // If we're not running from the binary and we aren't serving the static // pre-built version, use webpack to serve the web files. if (!isCli && !serveStatic) { const webpackConfig = require(path.resolve(__dirname, "..", "..", "web", "webpack.config.js")); const compiler = require("webpack")(webpackConfig); app.use(require("webpack-dev-middleware")(compiler, { logger, publicPath: webpackConfig.output.publicPath, stats: webpackConfig.stats, })); app.use(require("webpack-hot-middleware")(compiler)); } }, serverOptions: { builtInExtensionsDirectory: builtInExtensionsDir, dataDirectory: dataDir, workingDirectory: workingDir, cacheDirectory: cacheHome, fork: (modulePath: string, args?: string[], options?: ForkOptions): ChildProcess => { if (options && options.env && options.env.AMD_ENTRYPOINT) { return forkModule(options.env.AMD_ENTRYPOINT, args, options, dataDir); } if (isCli) { return spawn(process.execPath, [path.join(buildDir, "out", "cli.js"), "--fork", modulePath, "--extra-args", JSON.stringify(args), "--data-dir", dataDir], { ...options, stdio: [null, null, null, "ipc"], }); } else { return fork(modulePath, args, options); } }, }, password, httpsOptions: hasCustomHttps ? { key: certKeyData, cert: certData, } : undefined, }); logger.info("Starting webserver...", field("host", options.host), field("port", options.port)); app.server.listen(options.port, options.host); let clientId = 1; app.wss.on("connection", (ws, req) => { const id = clientId++; if (sharedProcess.state === SharedProcessState.Ready) { sendSharedProcessReady(ws); } logger.info(`WebSocket opened \u001B[0m${req.url}`, field("client", id), field("ip", req.socket.remoteAddress)); ws.on("close", (code) => { logger.info(`WebSocket closed \u001B[0m${req.url}`, field("client", id), field("code", code)); }); }); app.wss.on("error", (err: NodeJS.ErrnoException) => { if (err.code === "EADDRINUSE") { logger.error(`Port ${bold(options.port)} is in use. Please free up port ${options.port} or specify a different port with the -p flag`); process.exit(1); } }); if (!options.certKey && !options.cert) { logger.warn("No certificate specified. \u001B[1mThis could be insecure."); // TODO: fill in appropriate doc url logger.warn("Documentation on securing your setup: https://github.com/codercom/code-server/blob/master/doc/security/ssl.md"); } if (!options.noAuth) { logger.info(" "); logger.info(`Password:\u001B[1m ${password}`); } else { logger.warn("Launched without authentication."); } const url = `http://localhost:${options.port}/`; logger.info(" "); logger.info("Started (click the link below to open):"); logger.info(url); logger.info(" "); if (options.open) { try { await opn(url); } catch (e) { logger.warn("Url couldn't be opened automatically.", field("url", url), field("exception", e)); } } })().catch((ex) => { logger.error(ex); });