170 lines
5.6 KiB
JavaScript
170 lines
5.6 KiB
JavaScript
const fs = require('../../core/fs.js');
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var {canonicalHost} = require('../../utils/host.js');
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var utils = require('../../utils/utils.js');
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var Server = require('./server.js');
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const opn = require('opn');
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require('ejs');
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const Templates = {
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embark_building_placeholder: require('./templates/embark-building-placeholder.html.ejs')
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};
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class WebServer {
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constructor(embark) {
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this.embark = embark;
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this.logger = embark.logger;
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this.events = embark.events;
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this.buildDir = embark.config.buildDir;
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this.plugins = options.plugins;
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this.webServerConfig = embark.config.webServerConfig;
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if (!this.webServerConfig.enabled) {
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return;
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}
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this.host = this.webServerConfig.host;
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this.port = parseInt(this.webServerConfig.port, 10);
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this.enableCatchAll = this.webServerConfig.enableCatchAll === true;
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this.enableCatchAll = false; // FIXME when true, some Requests end up failing (eg: process-logs)
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this.events.emit("status", __("Starting Server"));
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this.server = new Server({logger: this.logger, host: this.host, port: this.port, events: this.events, plugins: this.plugins, enableCatchAll: this.enableCatchAll});
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this.server = new Server({
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logger: this.logger,
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buildDir: this.buildDir,
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events: this.events,
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host: this.host,
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port: this.port,
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openBrowser: this.webServerConfig.openBrowser
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});
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this.events.on('webserver:config:change', () => {
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this.embark.config.webServerConfig = null;
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this.embark.config.loadWebServerConfigFile();
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this.webServerConfig = this.embark.config.webServerConfig;
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this.host = this.webServerConfig.host;
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this.port = this.webServerConfig.port;
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this.server.host = this.host;
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this.server.port = this.port;
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this.testPort(() => {
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this.server.stop((_err) => {
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this.server.start((_err, message, port) => {
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this.logger.info(message);
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this.port = port;
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this.events.request('open-browser', () => {});
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});
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});
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});
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});
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this.testPort(() => {
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this.listenToCommands();
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this.registerConsoleCommands();
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this.server.start((_err, message, port) => {
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this.logger.info(message);
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this.port = port;
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this.setServiceCheck();
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});
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});
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}
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testPort(done) {
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if (this.port === 0) {
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this.logger.warn(__('Assigning an available port'));
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this.server.port = 0;
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return done();
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}
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utils.pingEndpoint(this.host, this.port, 'http', 'http', '', (err) => {
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if (err) { // Port is ok
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return done();
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}
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this.logger.warn(__('Webserver already running on port %s. Assigning an available port', this.port));
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this.port = 0;
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this.server.port = 0;
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done();
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});
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this.server.start((_err, message) => this.logger.info(message));
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}
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setServiceCheck() {
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const self = this;
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this.events.request("services:register", 'Webserver', function (cb) {
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let url = 'http://' + canonicalHost(self.host) + ':' + self.port;
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utils.checkIsAvailable(url, function (available) {
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let devServer = __('Webserver') + ' (' + url + ')';
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let serverStatus = (available ? 'on' : 'off');
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return cb({name: devServer, status: serverStatus});
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});
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});
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this.events.on('check:wentOffline:Webserver', () => {
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this.logger.info(__("Webserver is offline"));
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});
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}
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listenToCommands() {
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this.events.setCommandHandler('build-placeholder', (cb) => this.buildPlaceholderPage(cb));
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this.events.setCommandHandler('open-browser', (cb) => this.openBrowser(cb));
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this.events.setCommandHandler('start-webserver', (cb) => this.server.start(cb));
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this.events.setCommandHandler('stop-webserver', (cb) => this.server.stop(cb));
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this.events.setCommandHandler('logs:webserver:turnOn', (cb) => this.server.enableLogging(cb));
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this.events.setCommandHandler('logs:webserver:turnOff', (cb) => this.server.disableLogging(cb));
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}
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registerConsoleCommands() {
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const self = this;
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self.embark.registerConsoleCommand((cmd, _options) => {
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return {
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match: () => cmd === 'webserver start',
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process: (cb) => self.events.request('start-webserver', cb)
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};
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});
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self.embark.registerConsoleCommand((cmd, _options) => {
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return {
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match: () => cmd === 'webserver stop',
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process: (cb) => self.events.request('stop-webserver', cb)
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};
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});
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self.embark.registerConsoleCommand((cmd, _options) => {
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return {
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match: () => cmd === 'browser open',
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process: (cb) => self.events.request('open-browser', cb)
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};
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});
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self.embark.registerConsoleCommand((cmd, _options) => {
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return {
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match: () => cmd === 'log webserver on',
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process: (cb) => self.events.request('logs:webserver:turnOn', cb)
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};
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});
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self.embark.registerConsoleCommand((cmd, _options) => {
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return {
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match: () => cmd === 'log webserver off',
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process: (cb) => self.events.request('logs:webserver:turnOff', cb)
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};
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});
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}
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buildPlaceholderPage(cb) {
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let html = Templates.embark_building_placeholder({buildingMsg: __('Embark is building, please wait...')});
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fs.mkdirpSync(this.buildDir); // create buildDir if it does not exist
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fs.writeFile(utils.joinPath(this.buildDir, 'index.html'), html, cb);
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}
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openBrowser(cb) {
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const _cb = () => { cb(); };
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return opn(
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`http://${canonicalHost(this.server.hostname)}:${this.server.port}`,
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{wait: false}
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).then(_cb, _cb); // fail silently, e.g. in a docker container
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}
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}
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module.exports = WebServer;
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