Make assets unique (#518)

* Make all assets unique

All CSS and JavaScript files have unique names now. I also moved the
login to the /login path in order to ensure the HTML for each page is
also unique.

* Explicitly include assets to cache

build/tasks.ts

@@ -67,21 +67,21 @@ const buildServerBinaryCopy = register("build:server:binary:copy", async (runner
 	}
 	fse.copySync(defaultExtensionsPath, path.join(cliBuildPath, "extensions"));
 	fs.writeFileSync(path.join(cliBuildPath, "bootstrap-fork.js.gz"), zlib.gzipSync(fs.readFileSync(bootstrapForkPath)));
-	const cpDir = (dir: string, subdir: "auth" | "unauth", rootPath: string): void => {
+	const cpDir = (dir: string, rootPath: string, subdir?: "login"): void => {
 		const stat = fs.statSync(dir);
 		if (stat.isDirectory()) {
 			const paths = fs.readdirSync(dir);
-			paths.forEach((p) => cpDir(path.join(dir, p), subdir, rootPath));
+			paths.forEach((p) => cpDir(path.join(dir, p), rootPath, subdir));
 		} else if (stat.isFile()) {
-			const newPath = path.join(cliBuildPath, "web", subdir, path.relative(rootPath, dir));
+			const newPath = path.join(cliBuildPath, "web", subdir || "", path.relative(rootPath, dir));
 			fse.mkdirpSync(path.dirname(newPath));
 			fs.writeFileSync(newPath + ".gz", zlib.gzipSync(fs.readFileSync(dir)));
 		} else {
 			// Nothing
 		}
 	};
-	cpDir(webOutputPath, "auth", webOutputPath);
+	cpDir(webOutputPath, webOutputPath);
-	cpDir(browserAppOutputPath, "unauth", browserAppOutputPath);
+	cpDir(browserAppOutputPath, browserAppOutputPath, "login");
 	fse.mkdirpSync(path.join(cliBuildPath, "dependencies"));
 	fse.copySync(ripgrepPath, path.join(cliBuildPath, "dependencies", "rg"));
 });

packages/app/browser/src/app.ts

@@ -28,7 +28,9 @@ if (!form) {
 
 form.addEventListener("submit", (e) => {
 	e.preventDefault();
-	document.cookie = `password=${password.value}`;
+	document.cookie = `password=${password.value}; `
+		+ `path=${location.pathname.replace(/\/login\/?$/, "/")}; `
+		+ `domain=${location.hostname}`;
 	location.reload();
 });
 

packages/app/browser/webpack.config.js

@@ -7,11 +7,10 @@ const root = path.resolve(__dirname, "../../..");
 
 module.exports = merge(
 	require(path.join(root, "scripts/webpack.client.config.js"))({
-		entry: path.join(root, "packages/app/browser/src/app.ts"),
+		dirname: __dirname,
-		template: path.join(root, "packages/app/browser/src/app.html"),
+		entry: path.join(__dirname, "src/app.ts"),
+		name: "login",
+		template: path.join(__dirname, "src/app.html"),
 	}), {
-		output: {
-			path: path.join(__dirname, "out"),
-		},
 	},
 );

packages/dns/webpack.config.js

@@ -5,15 +5,12 @@ const root = path.resolve(__dirname, "../..");
 
 module.exports = merge(
 	require(path.join(root, "scripts/webpack.node.config.js"))({
-		// Options.
+		dirname: __dirname,
+		name: "dns",
 	}), {
 		externals: {
 			"node-named": "commonjs node-named",
 		},
-		output: {
-			path: path.join(__dirname, "out"),
-			filename: "main.js",
-		},
 		entry: [
 			"./packages/dns/src/dns.ts"
 		],

packages/server/src/cli.ts

@@ -216,13 +216,6 @@ const bold = (text: string | number): string | number => {
 		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) {

packages/server/src/server.ts

@@ -18,6 +18,7 @@ import * as os from "os";
 import * as path from "path";
 import * as pem from "pem";
 import * as util from "util";
+import * as url from "url";
 import * as ws from "ws";
 import { buildDir } from "./constants";
 import { createPortScanner } from "./portScanner";
@@ -140,13 +141,13 @@ export const createApp = async (options: CreateAppOptions): Promise<{
 	};
 
 	const portScanner = createPortScanner();
-	wss.on("connection", (ws, req) => {
+	wss.on("connection", async (ws, req) => {
 		if (req.url && req.url.startsWith("/tunnel")) {
 			try {
 				const rawPort = req.url.split("/").pop();
 				const port = Number.parseInt(rawPort!, 10);
 
-				handleTunnel(ws, port);
+				await handleTunnel(ws, port);
 			} catch (ex) {
 				ws.close(TunnelCloseCode.Error, ex.toString());
 			}
@@ -189,31 +190,70 @@ export const createApp = async (options: CreateAppOptions): Promise<{
 		new Server(connection, options.serverOptions);
 	});
 
+	const redirect = (
+		req: express.Request, res: express.Response,
+		to: string = "", from: string = "",
+		code: number = 302, protocol: string = req.protocol,
+	): void => {
+		const currentUrl = `${protocol}://${req.headers.host}${req.originalUrl}`;
+		const newUrl = url.parse(currentUrl);
+		if (from && newUrl.pathname) {
+			newUrl.pathname = newUrl.pathname.replace(new RegExp(`\/${from}\/?$`), "/");
+		}
+		if (to) {
+			newUrl.pathname = (newUrl.pathname || "").replace(/\/$/, "") + `/${to}`;
+		}
+		newUrl.path = undefined; // Path is not necessary for format().
+		const newUrlString = url.format(newUrl);
+		logger.trace(`Redirecting from ${currentUrl} to ${newUrlString}`);
+
+		return res.redirect(code, newUrlString);
+	};
+
 	const baseDir = buildDir || path.join(__dirname, "..");
-	const authStaticFunc = expressStaticGzip(path.join(baseDir, "build/web/auth"));
+	const staticGzip = expressStaticGzip(path.join(baseDir, "build/web"));
-	const unauthStaticFunc = expressStaticGzip(path.join(baseDir, "build/web/unauth"));
+
 	app.use((req, res, next) => {
+		logger.trace(`\u001B[1m${req.method} ${res.statusCode} \u001B[0m${req.originalUrl}`, field("host", req.hostname), field("ip", req.ip));
+
+		// Force HTTPS unless allowing HTTP.
 		if (!isEncrypted(req.socket) && !options.allowHttp) {
-			return res.redirect(301, `https://${req.headers.host!}${req.path}`);
+			return redirect(req, res, "", "", 301, "https");
 		}
 
-		if (isAuthed(req)) {
-			// We can serve the actual VSCode bin
-			authStaticFunc(req, res, next);
-		} else {
-			// Serve only the unauthed version
-			unauthStaticFunc(req, res, next);
-		}
-	});
-	// @ts-ignore
-	app.use((err, req, res, next) => {
 		next();
 	});
-	app.get("/ping", (req, res) => {
+
+	// @ts-ignore
+	app.use((err, _req, _res, next) => {
+		logger.error(err.message);
+		next();
+	});
+
+	// If not authenticated, redirect to the login page.
+	app.get("/", (req, res, next) => {
+		if (!isAuthed(req)) {
+			return redirect(req, res, "login");
+		}
+		next();
+	});
+
+	// If already authenticated, redirect back to the root.
+	app.get("/login", (req, res, next) => {
+		if (isAuthed(req)) {
+			return redirect(req, res, "", "login");
+		}
+		next();
+	});
+
+	// For getting general server data.
+	app.get("/ping", (_req, res) => {
 		res.json({
 			hostname: os.hostname(),
 		});
 	});
+
+	// For getting a resource on disk.
 	app.get("/resource/:url(*)", async (req, res) => {
 		if (!ensureAuthed(req, res)) {
 			return;
@@ -254,6 +294,8 @@ export const createApp = async (options: CreateAppOptions): Promise<{
 			res.end();
 		}
 	});
+
+	// For writing a resource to disk.
 	app.post("/resource/:url(*)", async (req, res) => {
 		if (!ensureAuthed(req, res)) {
 			return;
@@ -282,6 +324,9 @@ export const createApp = async (options: CreateAppOptions): Promise<{
 		}
 	});
 
+	// Everything else just pulls from the static build directory.
+	app.use(staticGzip);
+
 	return {
 		express: app,
 		server,

packages/server/webpack.config.js

@@ -6,11 +6,10 @@ const root = path.resolve(__dirname, "../..");
 
 module.exports = merge(
 	require(path.join(root, "scripts/webpack.node.config.js"))({
-		// Config options.
+		dirname: __dirname,
 	}), {
 		output: {
 			filename: "cli.js",
-			path: path.join(__dirname, "out"),
 			libraryTarget: "commonjs",
 		},
 		node: {

packages/vscode/webpack.bootstrap.config.js

@@ -7,6 +7,7 @@ const vsFills = path.join(root, "packages/vscode/src/fill");
 
 module.exports = merge(
 	require(path.join(root, "scripts/webpack.node.config.js"))({
+		dirname: __dirname,
 		typescriptCompilerOptions: {
 			target: "es6",
 		},
@@ -15,7 +16,6 @@ module.exports = merge(
 		mode: "development",
 		output: {
 			chunkFilename: "[name].bundle.js",
-			path: path.resolve(__dirname, "out"),
 			publicPath: "/",
 			filename: "bootstrap-fork.js",
 			libraryTarget: "commonjs",

packages/web/webpack.config.js

@@ -7,7 +7,9 @@ const vsFills = path.join(root, "packages/vscode/src/fill");
 
 module.exports = merge(
 	require(path.join(root, "scripts/webpack.client.config.js"))({
+		dirname: __dirname,
 		entry: path.join(root, "packages/web/src/index.ts"),
+		name: "ide",
 		template: path.join(root, "packages/web/src/index.html"),
 		typescriptCompilerOptions: {
 			"target": "es5",
@@ -15,11 +17,6 @@ module.exports = merge(
 		},
 	},
 ), {
-	output: {
-		chunkFilename: "[name]-[hash:6].bundle.js",
-		path: path.join(__dirname, "out"),
-		filename: "[hash:6].bundle.js",
-	},
 	node: {
 		module: "empty",
 		crypto: "empty",

scripts/webpack.client.config.js

@@ -7,10 +7,9 @@ const HtmlWebpackPlugin = require("html-webpack-plugin");
 const WebpackPwaManifest = require("webpack-pwa-manifest");
 const { GenerateSW } = require("workbox-webpack-plugin");
 
-// const { BundleAnalyzerPlugin } = require("webpack-bundle-analyzer");
-
 const root = path.join(__dirname, "..");
 const prod = process.env.NODE_ENV === "production" || process.env.CI === "true";
+const cachePattern = /\.(?:png|jpg|jpeg|svg|css|js|ttf|woff|eot|woff2|wasm)$/;
 
 module.exports = (options = {}) => merge(
 	require("./webpack.general.config")(options), {
@@ -47,8 +46,8 @@ module.exports = (options = {}) => merge(
 	},
 	plugins: [
 		new MiniCssExtractPlugin({
-        filename: "[name].css",
+			chunkFilename: `${options.name || "client"}.[name].[hash:6].css`,
-        chunkFilename: "[id].css"
+			filename: `${options.name || "client"}.[name].[hash:6].css`
 		}),
 		new HtmlWebpackPlugin({
 			template: options.template
@@ -62,36 +61,18 @@ module.exports = (options = {}) => merge(
 			short_name: "Coder",
 			description: "Run VS Code on a remote server",
 			background_color: "#e5e5e5",
-        icons: [
+			icons: [{
-          {
 				src: path.join(root, "packages/web/assets/logo.png"),
-            sizes: [96, 128, 192, 256, 384]
+				sizes: [96, 128, 192, 256, 384],
-          }
+			}],
-        ]
 		})
 	].concat(prod ? [
 		new GenerateSW({
-        exclude: [/\.map$/, /^manifest.*\.js$/, /\.html$/],
+			include: [cachePattern],
-        runtimeCaching: [
+			runtimeCaching: [{
-          {
+				urlPattern: cachePattern,
-            urlPattern: new RegExp("^(?!.*(html))"),
 				handler: "StaleWhileRevalidate",
 				options: {
-              cacheName: "code-server",
-              expiration: {
-                maxAgeSeconds: 86400
-              },
-              cacheableResponse: {
-                statuses: [0, 200]
-              }
-            }
-          }
-          // Network first caching is also possible.
-          /*{
-        urlPattern: new RegExp("^(?!.*(html))"),
-        handler: "NetworkFirst",
-        options: {
-          networkTimeoutSeconds: 4,
 					cacheName: "code-server",
 					expiration: {
 						maxAgeSeconds: 86400,
@@ -100,9 +81,8 @@ module.exports = (options = {}) => merge(
 						statuses: [0, 200],
 					},
 				},
-      }*/
+			},
-        ]
+		]}),
-      })
 	] : [new webpack.HotModuleReplacementPlugin()]),
 	target: "web"
-  });
+});

scripts/webpack.general.config.js

@@ -13,6 +13,11 @@ module.exports = (options = {}) => ({
 	externals: {
 		fsevents: "fsevents",
 	},
+	output: {
+		path: path.join(options.dirname || __dirname, "out"),
+		chunkFilename: `${options.name || "general"}.[name].[hash:6].js`,
+		filename: `${options.name || "general"}.[name].[hash:6].js`
+	},
 	module: {
 		rules: [{
 			loader: "string-replace-loader",