1020 lines
29 KiB
JavaScript
1020 lines
29 KiB
JavaScript
'use strict';
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/* eslint-disable
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no-shadow,
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no-undefined,
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func-names
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*/
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const fs = require('fs');
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const path = require('path');
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const tls = require('tls');
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const url = require('url');
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const http = require('http');
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const https = require('https');
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const ip = require('ip');
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const semver = require('semver');
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const killable = require('killable');
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const chokidar = require('chokidar');
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const express = require('express');
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const httpProxyMiddleware = require('http-proxy-middleware');
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const historyApiFallback = require('connect-history-api-fallback');
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const compress = require('compression');
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const serveIndex = require('serve-index');
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const webpack = require('webpack');
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const webpackDevMiddleware = require('webpack-dev-middleware');
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const validateOptions = require('schema-utils');
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const isAbsoluteUrl = require('is-absolute-url');
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const normalizeOptions = require('./utils/normalizeOptions');
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const updateCompiler = require('./utils/updateCompiler');
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const createLogger = require('./utils/createLogger');
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const getCertificate = require('./utils/getCertificate');
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const status = require('./utils/status');
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const createDomain = require('./utils/createDomain');
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const runBonjour = require('./utils/runBonjour');
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const routes = require('./utils/routes');
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const getSocketServerImplementation = require('./utils/getSocketServerImplementation');
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const schema = require('./options.json');
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// Workaround for node ^8.6.0, ^9.0.0
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// DEFAULT_ECDH_CURVE is default to prime256v1 in these version
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// breaking connection when certificate is not signed with prime256v1
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// change it to auto allows OpenSSL to select the curve automatically
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// See https://github.com/nodejs/node/issues/16196 for more information
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if (semver.satisfies(process.version, '8.6.0 - 9')) {
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tls.DEFAULT_ECDH_CURVE = 'auto';
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}
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if (!process.env.WEBPACK_DEV_SERVER) {
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process.env.WEBPACK_DEV_SERVER = true;
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}
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class Server {
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constructor(compiler, options = {}, _log) {
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if (options.lazy && !options.filename) {
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throw new Error("'filename' option must be set in lazy mode.");
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}
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validateOptions(schema, options, 'webpack Dev Server');
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this.compiler = compiler;
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this.options = options;
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this.log = _log || createLogger(options);
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if (this.options.transportMode !== undefined) {
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this.log.warn(
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'transportMode is an experimental option, meaning its usage could potentially change without warning'
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);
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}
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normalizeOptions(this.compiler, this.options);
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updateCompiler(this.compiler, this.options);
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this.heartbeatInterval = 30000;
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// this.SocketServerImplementation is a class, so it must be instantiated before use
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this.socketServerImplementation = getSocketServerImplementation(
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this.options
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);
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this.originalStats =
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this.options.stats && Object.keys(this.options.stats).length
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? this.options.stats
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: {};
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this.sockets = [];
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this.contentBaseWatchers = [];
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// TODO this.<property> is deprecated (remove them in next major release.) in favor this.options.<property>
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this.hot = this.options.hot || this.options.hotOnly;
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this.headers = this.options.headers;
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this.progress = this.options.progress;
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this.serveIndex = this.options.serveIndex;
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this.clientOverlay = this.options.overlay;
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this.clientLogLevel = this.options.clientLogLevel;
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this.publicHost = this.options.public;
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this.allowedHosts = this.options.allowedHosts;
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this.disableHostCheck = !!this.options.disableHostCheck;
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this.watchOptions = options.watchOptions || {};
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// Replace leading and trailing slashes to normalize path
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this.sockPath = `/${
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this.options.sockPath
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? this.options.sockPath.replace(/^\/|\/$/g, '')
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: 'sockjs-node'
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}`;
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if (this.progress) {
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this.setupProgressPlugin();
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}
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this.setupHooks();
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this.setupApp();
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this.setupCheckHostRoute();
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this.setupDevMiddleware();
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// set express routes
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routes(this.app, this.middleware, this.options);
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// Keep track of websocket proxies for external websocket upgrade.
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this.websocketProxies = [];
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this.setupFeatures();
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this.setupHttps();
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this.createServer();
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killable(this.listeningApp);
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// Proxy websockets without the initial http request
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// https://github.com/chimurai/http-proxy-middleware#external-websocket-upgrade
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this.websocketProxies.forEach(function(wsProxy) {
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this.listeningApp.on('upgrade', wsProxy.upgrade);
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}, this);
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}
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setupProgressPlugin() {
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// for CLI output
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new webpack.ProgressPlugin({
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profile: !!this.options.profile,
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}).apply(this.compiler);
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// for browser console output
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new webpack.ProgressPlugin((percent, msg, addInfo) => {
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percent = Math.floor(percent * 100);
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if (percent === 100) {
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msg = 'Compilation completed';
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}
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if (addInfo) {
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msg = `${msg} (${addInfo})`;
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}
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this.sockWrite(this.sockets, 'progress-update', { percent, msg });
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}).apply(this.compiler);
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}
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setupApp() {
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// Init express server
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// eslint-disable-next-line new-cap
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this.app = new express();
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}
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setupHooks() {
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// Listening for events
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const invalidPlugin = () => {
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this.sockWrite(this.sockets, 'invalid');
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};
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const addHooks = (compiler) => {
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const { compile, invalid, done } = compiler.hooks;
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compile.tap('webpack-dev-server', invalidPlugin);
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invalid.tap('webpack-dev-server', invalidPlugin);
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done.tap('webpack-dev-server', (stats) => {
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this._sendStats(this.sockets, this.getStats(stats));
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this._stats = stats;
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});
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};
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if (this.compiler.compilers) {
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this.compiler.compilers.forEach(addHooks);
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} else {
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addHooks(this.compiler);
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}
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}
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setupCheckHostRoute() {
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this.app.all('*', (req, res, next) => {
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if (this.checkHost(req.headers)) {
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return next();
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}
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res.send('Invalid Host header');
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});
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}
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setupDevMiddleware() {
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// middleware for serving webpack bundle
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this.middleware = webpackDevMiddleware(
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this.compiler,
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Object.assign({}, this.options, { logLevel: this.log.options.level })
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);
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}
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setupCompressFeature() {
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this.app.use(compress());
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}
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setupProxyFeature() {
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/**
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* Assume a proxy configuration specified as:
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* proxy: {
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* 'context': { options }
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* }
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* OR
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* proxy: {
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* 'context': 'target'
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* }
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*/
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if (!Array.isArray(this.options.proxy)) {
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if (Object.prototype.hasOwnProperty.call(this.options.proxy, 'target')) {
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this.options.proxy = [this.options.proxy];
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} else {
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this.options.proxy = Object.keys(this.options.proxy).map((context) => {
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let proxyOptions;
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// For backwards compatibility reasons.
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const correctedContext = context
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.replace(/^\*$/, '**')
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.replace(/\/\*$/, '');
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if (typeof this.options.proxy[context] === 'string') {
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proxyOptions = {
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context: correctedContext,
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target: this.options.proxy[context],
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};
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} else {
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proxyOptions = Object.assign({}, this.options.proxy[context]);
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proxyOptions.context = correctedContext;
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}
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proxyOptions.logLevel = proxyOptions.logLevel || 'warn';
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return proxyOptions;
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});
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}
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}
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const getProxyMiddleware = (proxyConfig) => {
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const context = proxyConfig.context || proxyConfig.path;
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// It is possible to use the `bypass` method without a `target`.
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// However, the proxy middleware has no use in this case, and will fail to instantiate.
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if (proxyConfig.target) {
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return httpProxyMiddleware(context, proxyConfig);
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}
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};
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/**
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* Assume a proxy configuration specified as:
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* proxy: [
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* {
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* context: ...,
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* ...options...
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* },
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* // or:
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* function() {
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* return {
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* context: ...,
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* ...options...
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* };
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* }
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* ]
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*/
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this.options.proxy.forEach((proxyConfigOrCallback) => {
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let proxyMiddleware;
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let proxyConfig =
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typeof proxyConfigOrCallback === 'function'
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? proxyConfigOrCallback()
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: proxyConfigOrCallback;
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proxyMiddleware = getProxyMiddleware(proxyConfig);
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if (proxyConfig.ws) {
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this.websocketProxies.push(proxyMiddleware);
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}
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const handle = (req, res, next) => {
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if (typeof proxyConfigOrCallback === 'function') {
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const newProxyConfig = proxyConfigOrCallback();
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if (newProxyConfig !== proxyConfig) {
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proxyConfig = newProxyConfig;
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proxyMiddleware = getProxyMiddleware(proxyConfig);
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}
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}
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// - Check if we have a bypass function defined
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// - In case the bypass function is defined we'll retrieve the
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// bypassUrl from it otherwise bypassUrl would be null
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const isByPassFuncDefined = typeof proxyConfig.bypass === 'function';
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const bypassUrl = isByPassFuncDefined
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? proxyConfig.bypass(req, res, proxyConfig)
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: null;
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if (typeof bypassUrl === 'boolean') {
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// skip the proxy
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req.url = null;
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next();
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} else if (typeof bypassUrl === 'string') {
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// byPass to that url
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req.url = bypassUrl;
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next();
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} else if (proxyMiddleware) {
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return proxyMiddleware(req, res, next);
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} else {
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next();
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}
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};
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this.app.use(handle);
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// Also forward error requests to the proxy so it can handle them.
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this.app.use((error, req, res, next) => handle(req, res, next));
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});
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}
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setupHistoryApiFallbackFeature() {
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const fallback =
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typeof this.options.historyApiFallback === 'object'
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? this.options.historyApiFallback
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: null;
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// Fall back to /index.html if nothing else matches.
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this.app.use(historyApiFallback(fallback));
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}
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setupStaticFeature() {
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const contentBase = this.options.contentBase;
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const contentBasePublicPath = this.options.contentBasePublicPath;
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if (Array.isArray(contentBase)) {
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contentBase.forEach((item) => {
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this.app.use(contentBasePublicPath, express.static(item));
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});
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} else if (isAbsoluteUrl(String(contentBase))) {
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this.log.warn(
|
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'Using a URL as contentBase is deprecated and will be removed in the next major version. Please use the proxy option instead.'
|
||
);
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this.log.warn(
|
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'proxy: {\n\t"*": "<your current contentBase configuration>"\n}'
|
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);
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// Redirect every request to contentBase
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this.app.get('*', (req, res) => {
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res.writeHead(302, {
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Location: contentBase + req.path + (req._parsedUrl.search || ''),
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});
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res.end();
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});
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} else if (typeof contentBase === 'number') {
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this.log.warn(
|
||
'Using a number as contentBase is deprecated and will be removed in the next major version. Please use the proxy option instead.'
|
||
);
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this.log.warn(
|
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'proxy: {\n\t"*": "//localhost:<your current contentBase configuration>"\n}'
|
||
);
|
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|
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// Redirect every request to the port contentBase
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this.app.get('*', (req, res) => {
|
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res.writeHead(302, {
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Location: `//localhost:${contentBase}${req.path}${req._parsedUrl
|
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.search || ''}`,
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});
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res.end();
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});
|
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} else {
|
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// route content request
|
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this.app.use(
|
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contentBasePublicPath,
|
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express.static(contentBase, this.options.staticOptions)
|
||
);
|
||
}
|
||
}
|
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|
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setupServeIndexFeature() {
|
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const contentBase = this.options.contentBase;
|
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const contentBasePublicPath = this.options.contentBasePublicPath;
|
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|
||
if (Array.isArray(contentBase)) {
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contentBase.forEach((item) => {
|
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this.app.use(contentBasePublicPath, (req, res, next) => {
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// serve-index doesn't fallthrough non-get/head request to next middleware
|
||
if (req.method !== 'GET' && req.method !== 'HEAD') {
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||
return next();
|
||
}
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serveIndex(item)(req, res, next);
|
||
});
|
||
});
|
||
} else if (
|
||
typeof contentBase !== 'number' &&
|
||
!isAbsoluteUrl(String(contentBase))
|
||
) {
|
||
this.app.use(contentBasePublicPath, (req, res, next) => {
|
||
// serve-index doesn't fallthrough non-get/head request to next middleware
|
||
if (req.method !== 'GET' && req.method !== 'HEAD') {
|
||
return next();
|
||
}
|
||
|
||
serveIndex(contentBase)(req, res, next);
|
||
});
|
||
}
|
||
}
|
||
|
||
setupWatchStaticFeature() {
|
||
const contentBase = this.options.contentBase;
|
||
|
||
if (isAbsoluteUrl(String(contentBase)) || typeof contentBase === 'number') {
|
||
throw new Error('Watching remote files is not supported.');
|
||
} else if (Array.isArray(contentBase)) {
|
||
contentBase.forEach((item) => {
|
||
if (isAbsoluteUrl(String(item)) || typeof item === 'number') {
|
||
throw new Error('Watching remote files is not supported.');
|
||
}
|
||
this._watch(item);
|
||
});
|
||
} else {
|
||
this._watch(contentBase);
|
||
}
|
||
}
|
||
|
||
setupBeforeFeature() {
|
||
// Todo rename onBeforeSetupMiddleware in next major release
|
||
// Todo pass only `this` argument
|
||
this.options.before(this.app, this, this.compiler);
|
||
}
|
||
|
||
setupMiddleware() {
|
||
this.app.use(this.middleware);
|
||
}
|
||
|
||
setupAfterFeature() {
|
||
// Todo rename onAfterSetupMiddleware in next major release
|
||
// Todo pass only `this` argument
|
||
this.options.after(this.app, this, this.compiler);
|
||
}
|
||
|
||
setupHeadersFeature() {
|
||
this.app.all('*', this.setContentHeaders.bind(this));
|
||
}
|
||
|
||
setupMagicHtmlFeature() {
|
||
this.app.get('*', this.serveMagicHtml.bind(this));
|
||
}
|
||
|
||
setupSetupFeature() {
|
||
this.log.warn(
|
||
'The `setup` option is deprecated and will be removed in v4. Please update your config to use `before`'
|
||
);
|
||
|
||
this.options.setup(this.app, this);
|
||
}
|
||
|
||
setupFeatures() {
|
||
const features = {
|
||
compress: () => {
|
||
if (this.options.compress) {
|
||
this.setupCompressFeature();
|
||
}
|
||
},
|
||
proxy: () => {
|
||
if (this.options.proxy) {
|
||
this.setupProxyFeature();
|
||
}
|
||
},
|
||
historyApiFallback: () => {
|
||
if (this.options.historyApiFallback) {
|
||
this.setupHistoryApiFallbackFeature();
|
||
}
|
||
},
|
||
// Todo rename to `static` in future major release
|
||
contentBaseFiles: () => {
|
||
this.setupStaticFeature();
|
||
},
|
||
// Todo rename to `serveIndex` in future major release
|
||
contentBaseIndex: () => {
|
||
this.setupServeIndexFeature();
|
||
},
|
||
// Todo rename to `watchStatic` in future major release
|
||
watchContentBase: () => {
|
||
this.setupWatchStaticFeature();
|
||
},
|
||
before: () => {
|
||
if (typeof this.options.before === 'function') {
|
||
this.setupBeforeFeature();
|
||
}
|
||
},
|
||
middleware: () => {
|
||
// include our middleware to ensure
|
||
// it is able to handle '/index.html' request after redirect
|
||
this.setupMiddleware();
|
||
},
|
||
after: () => {
|
||
if (typeof this.options.after === 'function') {
|
||
this.setupAfterFeature();
|
||
}
|
||
},
|
||
headers: () => {
|
||
this.setupHeadersFeature();
|
||
},
|
||
magicHtml: () => {
|
||
this.setupMagicHtmlFeature();
|
||
},
|
||
setup: () => {
|
||
if (typeof this.options.setup === 'function') {
|
||
this.setupSetupFeature();
|
||
}
|
||
},
|
||
};
|
||
|
||
const runnableFeatures = [];
|
||
|
||
// compress is placed last and uses unshift so that it will be the first middleware used
|
||
if (this.options.compress) {
|
||
runnableFeatures.push('compress');
|
||
}
|
||
|
||
runnableFeatures.push('setup', 'before', 'headers', 'middleware');
|
||
|
||
if (this.options.proxy) {
|
||
runnableFeatures.push('proxy', 'middleware');
|
||
}
|
||
|
||
if (this.options.contentBase !== false) {
|
||
runnableFeatures.push('contentBaseFiles');
|
||
}
|
||
|
||
if (this.options.historyApiFallback) {
|
||
runnableFeatures.push('historyApiFallback', 'middleware');
|
||
|
||
if (this.options.contentBase !== false) {
|
||
runnableFeatures.push('contentBaseFiles');
|
||
}
|
||
}
|
||
|
||
// checking if it's set to true or not set (Default : undefined => true)
|
||
this.serveIndex = this.serveIndex || this.serveIndex === undefined;
|
||
|
||
if (this.options.contentBase && this.serveIndex) {
|
||
runnableFeatures.push('contentBaseIndex');
|
||
}
|
||
|
||
if (this.options.watchContentBase) {
|
||
runnableFeatures.push('watchContentBase');
|
||
}
|
||
|
||
runnableFeatures.push('magicHtml');
|
||
|
||
if (this.options.after) {
|
||
runnableFeatures.push('after');
|
||
}
|
||
|
||
(this.options.features || runnableFeatures).forEach((feature) => {
|
||
features[feature]();
|
||
});
|
||
}
|
||
|
||
setupHttps() {
|
||
// if the user enables http2, we can safely enable https
|
||
if (this.options.http2 && !this.options.https) {
|
||
this.options.https = true;
|
||
}
|
||
|
||
if (this.options.https) {
|
||
// for keep supporting CLI parameters
|
||
if (typeof this.options.https === 'boolean') {
|
||
this.options.https = {
|
||
ca: this.options.ca,
|
||
pfx: this.options.pfx,
|
||
key: this.options.key,
|
||
cert: this.options.cert,
|
||
passphrase: this.options.pfxPassphrase,
|
||
requestCert: this.options.requestCert || false,
|
||
};
|
||
}
|
||
|
||
for (const property of ['ca', 'pfx', 'key', 'cert']) {
|
||
const value = this.options.https[property];
|
||
const isBuffer = value instanceof Buffer;
|
||
|
||
if (value && !isBuffer) {
|
||
let stats = null;
|
||
|
||
try {
|
||
stats = fs.lstatSync(fs.realpathSync(value)).isFile();
|
||
} catch (error) {
|
||
// ignore error
|
||
}
|
||
|
||
// It is file
|
||
this.options.https[property] = stats
|
||
? fs.readFileSync(path.resolve(value))
|
||
: value;
|
||
}
|
||
}
|
||
|
||
let fakeCert;
|
||
|
||
if (!this.options.https.key || !this.options.https.cert) {
|
||
fakeCert = getCertificate(this.log);
|
||
}
|
||
|
||
this.options.https.key = this.options.https.key || fakeCert;
|
||
this.options.https.cert = this.options.https.cert || fakeCert;
|
||
|
||
// note that options.spdy never existed. The user was able
|
||
// to set options.https.spdy before, though it was not in the
|
||
// docs. Keep options.https.spdy if the user sets it for
|
||
// backwards compatibility, but log a deprecation warning.
|
||
if (this.options.https.spdy) {
|
||
// for backwards compatibility: if options.https.spdy was passed in before,
|
||
// it was not altered in any way
|
||
this.log.warn(
|
||
'Providing custom spdy server options is deprecated and will be removed in the next major version.'
|
||
);
|
||
} else {
|
||
// if the normal https server gets this option, it will not affect it.
|
||
this.options.https.spdy = {
|
||
protocols: ['h2', 'http/1.1'],
|
||
};
|
||
}
|
||
}
|
||
}
|
||
|
||
createServer() {
|
||
if (this.options.https) {
|
||
// Only prevent HTTP/2 if http2 is explicitly set to false
|
||
const isHttp2 = this.options.http2 !== false;
|
||
|
||
// `spdy` is effectively unmaintained, and as a consequence of an
|
||
// implementation that extensively relies on Node’s non-public APIs, broken
|
||
// on Node 10 and above. In those cases, only https will be used for now.
|
||
// Once express supports Node's built-in HTTP/2 support, migrating over to
|
||
// that should be the best way to go.
|
||
// The relevant issues are:
|
||
// - https://github.com/nodejs/node/issues/21665
|
||
// - https://github.com/webpack/webpack-dev-server/issues/1449
|
||
// - https://github.com/expressjs/express/issues/3388
|
||
if (semver.gte(process.version, '10.0.0') || !isHttp2) {
|
||
if (this.options.http2) {
|
||
// the user explicitly requested http2 but is not getting it because
|
||
// of the node version.
|
||
this.log.warn(
|
||
'HTTP/2 is currently unsupported for Node 10.0.0 and above, but will be supported once Express supports it'
|
||
);
|
||
}
|
||
this.listeningApp = https.createServer(this.options.https, this.app);
|
||
} else {
|
||
// The relevant issues are:
|
||
// https://github.com/spdy-http2/node-spdy/issues/350
|
||
// https://github.com/webpack/webpack-dev-server/issues/1592
|
||
this.listeningApp = require('spdy').createServer(
|
||
this.options.https,
|
||
this.app
|
||
);
|
||
}
|
||
} else {
|
||
this.listeningApp = http.createServer(this.app);
|
||
}
|
||
}
|
||
|
||
createSocketServer() {
|
||
const SocketServerImplementation = this.socketServerImplementation;
|
||
this.socketServer = new SocketServerImplementation(this);
|
||
|
||
this.socketServer.onConnection((connection, headers) => {
|
||
if (!connection) {
|
||
return;
|
||
}
|
||
|
||
if (!headers) {
|
||
this.log.warn(
|
||
'transportMode.server implementation must pass headers to the callback of onConnection(f) ' +
|
||
'via f(connection, headers) in order for clients to pass a headers security check'
|
||
);
|
||
}
|
||
|
||
if (!headers || !this.checkHost(headers) || !this.checkOrigin(headers)) {
|
||
this.sockWrite([connection], 'error', 'Invalid Host/Origin header');
|
||
|
||
this.socketServer.close(connection);
|
||
|
||
return;
|
||
}
|
||
|
||
this.sockets.push(connection);
|
||
|
||
this.socketServer.onConnectionClose(connection, () => {
|
||
const idx = this.sockets.indexOf(connection);
|
||
|
||
if (idx >= 0) {
|
||
this.sockets.splice(idx, 1);
|
||
}
|
||
});
|
||
|
||
if (this.clientLogLevel) {
|
||
this.sockWrite([connection], 'log-level', this.clientLogLevel);
|
||
}
|
||
|
||
if (this.hot) {
|
||
this.sockWrite([connection], 'hot');
|
||
}
|
||
|
||
// TODO: change condition at major version
|
||
if (this.options.liveReload !== false) {
|
||
this.sockWrite([connection], 'liveReload', this.options.liveReload);
|
||
}
|
||
|
||
if (this.progress) {
|
||
this.sockWrite([connection], 'progress', this.progress);
|
||
}
|
||
|
||
if (this.clientOverlay) {
|
||
this.sockWrite([connection], 'overlay', this.clientOverlay);
|
||
}
|
||
|
||
if (!this._stats) {
|
||
return;
|
||
}
|
||
|
||
this._sendStats([connection], this.getStats(this._stats), true);
|
||
});
|
||
}
|
||
|
||
showStatus() {
|
||
const suffix =
|
||
this.options.inline !== false || this.options.lazy === true
|
||
? '/'
|
||
: '/webpack-dev-server/';
|
||
const uri = `${createDomain(this.options, this.listeningApp)}${suffix}`;
|
||
|
||
status(
|
||
uri,
|
||
this.options,
|
||
this.log,
|
||
this.options.stats && this.options.stats.colors
|
||
);
|
||
}
|
||
|
||
listen(port, hostname, fn) {
|
||
this.hostname = hostname;
|
||
|
||
return this.listeningApp.listen(port, hostname, (err) => {
|
||
this.createSocketServer();
|
||
|
||
if (this.options.bonjour) {
|
||
runBonjour(this.options);
|
||
}
|
||
|
||
this.showStatus();
|
||
|
||
if (fn) {
|
||
fn.call(this.listeningApp, err);
|
||
}
|
||
|
||
if (typeof this.options.onListening === 'function') {
|
||
this.options.onListening(this);
|
||
}
|
||
});
|
||
}
|
||
|
||
close(cb) {
|
||
this.sockets.forEach((socket) => {
|
||
this.socketServer.close(socket);
|
||
});
|
||
|
||
this.sockets = [];
|
||
|
||
this.contentBaseWatchers.forEach((watcher) => {
|
||
watcher.close();
|
||
});
|
||
|
||
this.contentBaseWatchers = [];
|
||
|
||
this.listeningApp.kill(() => {
|
||
this.middleware.close(cb);
|
||
});
|
||
}
|
||
|
||
static get DEFAULT_STATS() {
|
||
return {
|
||
all: false,
|
||
hash: true,
|
||
assets: true,
|
||
warnings: true,
|
||
errors: true,
|
||
errorDetails: false,
|
||
};
|
||
}
|
||
|
||
getStats(statsObj) {
|
||
const stats = Server.DEFAULT_STATS;
|
||
|
||
if (this.originalStats.warningsFilter) {
|
||
stats.warningsFilter = this.originalStats.warningsFilter;
|
||
}
|
||
|
||
return statsObj.toJson(stats);
|
||
}
|
||
|
||
use() {
|
||
// eslint-disable-next-line
|
||
this.app.use.apply(this.app, arguments);
|
||
}
|
||
|
||
setContentHeaders(req, res, next) {
|
||
if (this.headers) {
|
||
// eslint-disable-next-line
|
||
for (const name in this.headers) {
|
||
res.setHeader(name, this.headers[name]);
|
||
}
|
||
}
|
||
|
||
next();
|
||
}
|
||
|
||
checkHost(headers) {
|
||
return this.checkHeaders(headers, 'host');
|
||
}
|
||
|
||
checkOrigin(headers) {
|
||
return this.checkHeaders(headers, 'origin');
|
||
}
|
||
|
||
checkHeaders(headers, headerToCheck) {
|
||
// allow user to opt-out this security check, at own risk
|
||
if (this.disableHostCheck) {
|
||
return true;
|
||
}
|
||
|
||
if (!headerToCheck) {
|
||
headerToCheck = 'host';
|
||
}
|
||
|
||
// get the Host header and extract hostname
|
||
// we don't care about port not matching
|
||
const hostHeader = headers[headerToCheck];
|
||
|
||
if (!hostHeader) {
|
||
return false;
|
||
}
|
||
|
||
// use the node url-parser to retrieve the hostname from the host-header.
|
||
const hostname = url.parse(
|
||
// if hostHeader doesn't have scheme, add // for parsing.
|
||
/^(.+:)?\/\//.test(hostHeader) ? hostHeader : `//${hostHeader}`,
|
||
false,
|
||
true
|
||
).hostname;
|
||
// always allow requests with explicit IPv4 or IPv6-address.
|
||
// A note on IPv6 addresses:
|
||
// hostHeader will always contain the brackets denoting
|
||
// an IPv6-address in URLs,
|
||
// these are removed from the hostname in url.parse(),
|
||
// so we have the pure IPv6-address in hostname.
|
||
// always allow localhost host, for convenience (hostname === 'localhost')
|
||
// allow hostname of listening address (hostname === this.hostname)
|
||
const isValidHostname =
|
||
ip.isV4Format(hostname) ||
|
||
ip.isV6Format(hostname) ||
|
||
hostname === 'localhost' ||
|
||
hostname === this.hostname;
|
||
|
||
if (isValidHostname) {
|
||
return true;
|
||
}
|
||
// always allow localhost host, for convenience
|
||
// allow if hostname is in allowedHosts
|
||
if (this.allowedHosts && this.allowedHosts.length) {
|
||
for (let hostIdx = 0; hostIdx < this.allowedHosts.length; hostIdx++) {
|
||
const allowedHost = this.allowedHosts[hostIdx];
|
||
|
||
if (allowedHost === hostname) {
|
||
return true;
|
||
}
|
||
|
||
// support "." as a subdomain wildcard
|
||
// e.g. ".example.com" will allow "example.com", "www.example.com", "subdomain.example.com", etc
|
||
if (allowedHost[0] === '.') {
|
||
// "example.com" (hostname === allowedHost.substring(1))
|
||
// "*.example.com" (hostname.endsWith(allowedHost))
|
||
if (
|
||
hostname === allowedHost.substring(1) ||
|
||
hostname.endsWith(allowedHost)
|
||
) {
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// also allow public hostname if provided
|
||
if (typeof this.publicHost === 'string') {
|
||
const idxPublic = this.publicHost.indexOf(':');
|
||
const publicHostname =
|
||
idxPublic >= 0 ? this.publicHost.substr(0, idxPublic) : this.publicHost;
|
||
|
||
if (hostname === publicHostname) {
|
||
return true;
|
||
}
|
||
}
|
||
|
||
// disallow
|
||
return false;
|
||
}
|
||
|
||
// eslint-disable-next-line
|
||
sockWrite(sockets, type, data) {
|
||
sockets.forEach((socket) => {
|
||
this.socketServer.send(socket, JSON.stringify({ type, data }));
|
||
});
|
||
}
|
||
|
||
serveMagicHtml(req, res, next) {
|
||
const _path = req.path;
|
||
|
||
try {
|
||
const isFile = this.middleware.fileSystem
|
||
.statSync(this.middleware.getFilenameFromUrl(`${_path}.js`))
|
||
.isFile();
|
||
|
||
if (!isFile) {
|
||
return next();
|
||
}
|
||
// Serve a page that executes the javascript
|
||
const queries = req._parsedUrl.search || '';
|
||
const responsePage = `<!DOCTYPE html><html><head><meta charset="utf-8"/></head><body><script type="text/javascript" charset="utf-8" src="${_path}.js${queries}"></script></body></html>`;
|
||
res.send(responsePage);
|
||
} catch (err) {
|
||
return next();
|
||
}
|
||
}
|
||
|
||
// send stats to a socket or multiple sockets
|
||
_sendStats(sockets, stats, force) {
|
||
const shouldEmit =
|
||
!force &&
|
||
stats &&
|
||
(!stats.errors || stats.errors.length === 0) &&
|
||
stats.assets &&
|
||
stats.assets.every((asset) => !asset.emitted);
|
||
|
||
if (shouldEmit) {
|
||
return this.sockWrite(sockets, 'still-ok');
|
||
}
|
||
|
||
this.sockWrite(sockets, 'hash', stats.hash);
|
||
|
||
if (stats.errors.length > 0) {
|
||
this.sockWrite(sockets, 'errors', stats.errors);
|
||
} else if (stats.warnings.length > 0) {
|
||
this.sockWrite(sockets, 'warnings', stats.warnings);
|
||
} else {
|
||
this.sockWrite(sockets, 'ok');
|
||
}
|
||
}
|
||
|
||
_watch(watchPath) {
|
||
// duplicate the same massaging of options that watchpack performs
|
||
// https://github.com/webpack/watchpack/blob/master/lib/DirectoryWatcher.js#L49
|
||
// this isn't an elegant solution, but we'll improve it in the future
|
||
const usePolling = this.watchOptions.poll ? true : undefined;
|
||
const interval =
|
||
typeof this.watchOptions.poll === 'number'
|
||
? this.watchOptions.poll
|
||
: undefined;
|
||
|
||
const watchOptions = {
|
||
ignoreInitial: true,
|
||
persistent: true,
|
||
followSymlinks: false,
|
||
atomic: false,
|
||
alwaysStat: true,
|
||
ignorePermissionErrors: true,
|
||
ignored: this.watchOptions.ignored,
|
||
usePolling,
|
||
interval,
|
||
};
|
||
|
||
const watcher = chokidar.watch(watchPath, watchOptions);
|
||
// disabling refreshing on changing the content
|
||
if (this.options.liveReload !== false) {
|
||
watcher.on('change', () => {
|
||
this.sockWrite(this.sockets, 'content-changed');
|
||
});
|
||
}
|
||
this.contentBaseWatchers.push(watcher);
|
||
}
|
||
|
||
invalidate(callback) {
|
||
if (this.middleware) {
|
||
this.middleware.invalidate(callback);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Export this logic,
|
||
// so that other implementations,
|
||
// like task-runners can use it
|
||
Server.addDevServerEntrypoints = require('./utils/addEntries');
|
||
|
||
module.exports = Server;
|