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115 lines
3.2 KiB
115 lines
3.2 KiB
3 years ago
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"use strict";
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const sockjs = require("sockjs");
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const BaseServer = require("./BaseServer");
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/** @typedef {import("../Server").WebSocketServerConfiguration} WebSocketServerConfiguration */
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/** @typedef {import("../Server").ClientConnection} ClientConnection */
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// Workaround for sockjs@~0.3.19
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// sockjs will remove Origin header, however Origin header is required for checking host.
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// See https://github.com/webpack/webpack-dev-server/issues/1604 for more information
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{
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// @ts-ignore
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const SockjsSession = require("sockjs/lib/transport").Session;
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const decorateConnection = SockjsSession.prototype.decorateConnection;
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/**
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* @param {import("http").IncomingMessage} req
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*/
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// eslint-disable-next-line func-names
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SockjsSession.prototype.decorateConnection = function (req) {
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decorateConnection.call(this, req);
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const connection = this.connection;
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if (
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connection.headers &&
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!("origin" in connection.headers) &&
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"origin" in req.headers
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) {
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connection.headers.origin = req.headers.origin;
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}
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};
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}
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module.exports = class SockJSServer extends BaseServer {
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// options has: error (function), debug (function), server (http/s server), path (string)
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/**
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* @param {import("../Server")} server
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*/
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constructor(server) {
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super(server);
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this.implementation = sockjs.createServer({
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// Use provided up-to-date sockjs-client
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sockjs_url: "/__webpack_dev_server__/sockjs.bundle.js",
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// Default logger is very annoy. Limit useless logs.
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/**
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* @param {string} severity
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* @param {string} line
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*/
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log: (severity, line) => {
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if (severity === "error") {
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this.server.logger.error(line);
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} else if (severity === "info") {
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this.server.logger.log(line);
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} else {
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this.server.logger.debug(line);
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}
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},
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});
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/**
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* @param {import("sockjs").ServerOptions & { path?: string }} options
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* @returns {string | undefined}
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*/
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const getPrefix = (options) => {
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if (typeof options.prefix !== "undefined") {
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return options.prefix;
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}
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return options.path;
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};
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const options = {
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.../** @type {WebSocketServerConfiguration} */
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(this.server.options.webSocketServer).options,
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prefix: getPrefix(
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/** @type {NonNullable<WebSocketServerConfiguration["options"]>} */
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(
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/** @type {WebSocketServerConfiguration} */
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(this.server.options.webSocketServer).options
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)
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),
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};
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this.implementation.installHandlers(
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/** @type {import("http").Server} */ (this.server.server),
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options
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);
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this.implementation.on("connection", (client) => {
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// @ts-ignore
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// Implement the the same API as for `ws`
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client.send = client.write;
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// @ts-ignore
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client.terminate = client.close;
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this.clients.push(/** @type {ClientConnection} */ (client));
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client.on("close", () => {
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this.clients.splice(
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this.clients.indexOf(/** @type {ClientConnection} */ (client)),
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1
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);
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});
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});
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// @ts-ignore
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this.implementation.close = (callback) => {
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callback();
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};
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}
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};
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