251 lines
9.3 KiB
TypeScript
251 lines
9.3 KiB
TypeScript
import 'zone.js/node';
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import {ngExpressEngine} from '@nguniversal/express-engine';
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import * as express from 'express';
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import * as compression from 'compression';
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import {join} from 'path';
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import {AppServerModule} from './src/main.server';
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import {APP_BASE_HREF} from '@angular/common';
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import {existsSync} from 'fs';
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import {REQUEST, RESPONSE} from "./src/app/openaireLibrary/utils/tokens";
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import {isArray} from "util";
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import {properties} from "./src/environments/environment";
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import {CustomizationOptions, Layout} from "./src/app/openaireLibrary/connect/community/CustomizationOptions";
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import {Response} from "express";
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const fs = require('fs');
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const less = require('less/index');
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const minify = require('@node-minify/core');
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const cleanCSS = require('@node-minify/clean-css');
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const axios = require('axios');
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const browser = process.cwd() + '/dist/connect/browser/';
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const node_modules = process.cwd() + '/node_modules';
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var bodyParser = require('body-parser')
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var jsonParser = bodyParser.json()
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function buildCss(portal: string, suffix = null, variables: {} = null) {
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let lessFile = 'community.less'
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if (portal === 'connect') {
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lessFile = 'connect.less'
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}
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let input = fs.readFileSync(browser + '/assets/' + lessFile, 'utf8');
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/* Change fonts path */
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let modifyVars = {
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'@font-media-url': 'e("assets/openaire-theme/media/fonts/aileron/")',
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'@font-media-icon-url': 'e("assets/openaire-theme/media/fonts/material-icons/")'
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}
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/* Change variables (optional)*/
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if (variables) {
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Object.entries(variables).forEach(([key, value]) => {
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modifyVars[key] = value;
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});
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}
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let options = {
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paths: [browser + '/assets/', node_modules],
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rewriteUrls: 'all',
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modifyVars: modifyVars
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};
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less.render(input, options, function (error, result) {
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if (error) {
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console.log(error);
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} else {
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let file = browser + portal + (suffix ? ("-" + suffix) : "") + '.css';
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fs.writeFile(file, result.css, function (error) {
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if (error) {
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console.error(error);
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} else {
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minify({
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compressor: cleanCSS,
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replaceInPlace: true,
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input: file,
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output: file,
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callback: function (err) {
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if (err) {
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console.log(err);
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}
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}
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});
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}
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});
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}
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});
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}
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function buildAll(res: Response = null) {
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let layoutsURL = properties.adminToolsAPIURL + '/community/layouts';
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axios.get(layoutsURL).then(response => {
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if (response.data && Array.isArray(response.data) && response.data.length > 0) {
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response.data.forEach((layout: Layout) => {
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let variables = Layout.getVariables(CustomizationOptions.checkForObsoleteVersion(layout.layoutOptions, layout.portalPid));
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buildCss(layout.portalPid, layout.date ? layout.date : null, variables);
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});
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if (res) {
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res.status(200).send({
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code: 200,
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message: 'CSS build for all available layouts was successful'
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});
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}
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} else {
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res.status(500).send({code: 500, message: 'No available layouts found'});
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}
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});
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}
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if(properties.environment == 'development') {
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buildAll();
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}
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// The Express app is exported so that it can be used by serverless Functions.
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export function app() {
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const server = express();
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server.use(compression());
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const distFolder = join(process.cwd(), 'dist/connect/browser');
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const indexHtml = existsSync(join(distFolder, 'index.original.html')) ? 'index.original.html' : 'index';
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// Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
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server.engine('html', ngExpressEngine({
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bootstrap: AppServerModule,
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inlineCriticalCss: false
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}));
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server.set('view engine', 'html');
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server.set('views', distFolder);
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server.use('/build-css', function (req, res, next) {
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res.header('Access-Control-Allow-Origin', req.headers.origin);
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res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
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res.header('Access-Control-Allow-Methods', 'GET, OPTIONS, POST, DELETE');
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res.header('Access-Control-Max-Age', "1800");
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next();
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});
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server.use(function (req, res, next) {
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var XFRAME_WHITELIST = ['http://spitoo.di.uoa.gr:5000/', 'http://scoobydoo.di.uoa.gr:5000/', 'https://beta.admin.connect.openaire.eu/', 'https://admin.connect.openaire.eu/'];
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let referer: string;
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if (req.headers.referer) {
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referer = isArray(req.headers.referer) ? req.headers.referer[0] : (<string>req.headers.referer);
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referer = referer.split("?")[0];
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}
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if (referer && (XFRAME_WHITELIST.indexOf(referer) != -1 || referer.indexOf("/customize-layout") != -1 || referer.indexOf(".d4science.org") != -1)) {
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// res.header('X-FRAME-OPTIONS', 'allow from ' +req.headers.referer);
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} else {
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res.header('X-FRAME-OPTIONS', 'SAMEORIGIN');
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}
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next();
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});
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// - Serve sitemap based on the host -
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server.get('/sitemap.xml', (req, res) => {
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let host = req.get("host").split(":")[0];
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let connectLinks = ["/", "/about/learn-how", "/about/learn-in-depth", "/about/faq", "/search/find/communities"];
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let communityLinks = ["/", "/search/find/research-outcomes?size=20", "/search/advanced/research-outcomes?size=20", "/participate/deposit/learn-how", "/organizations", "/content"];
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let sitemap = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
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"<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd\">";
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let urlPre = "<url>\n" +
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" <loc>";
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let urlSuf = "</loc>\n" +
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" </url>";
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for (let link of (host.indexOf("connect.openaire.eu") == -1 ? communityLinks : connectLinks)) {
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sitemap += urlPre + "https://" + host + link + urlSuf;
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}
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sitemap += "\n</urlset>";
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res.setHeader('content-type', 'application/xml');
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res.send(sitemap);
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});
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// - Serve robots based on the host -
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server.get('/robots.txt', (req, res) => {
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let host = req.get("host").split(":")[0];
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let robots = "";
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if (host.indexOf(".openaire.eu") != -1 && host.indexOf("beta.") == -1) {
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//link to disallow
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let connectLinks = ["/about/*", "/search/find/communities"];
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let communityLinks = ["/search/advanced/*", "/participate/*",
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"/search/project", '/search/result', '/search/publication', '/search/dataset', '/search/software', '/search/other', '/search/dataprovider', '/search/organization', '/project-report',
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'/search/find/publications', '/search/find/datasets', '/search/find/software', '/search/find/other', '/search/find/projects', '/search/find/dataproviders', '/search/find/research-outcomes'
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];
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robots = "User-Agent: *\n" +
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"Crawl-delay: 30\n" +
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"Sitemap: /sitemap.xml\n";
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for (let link of (host.indexOf("connect.openaire.eu") == -1 ? connectLinks : communityLinks)) {
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robots += "Disallow: " + link + "\n";
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}
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} else {
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robots = "User-Agent: *\n" +
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"Disallow: /\n"
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}
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res.setHeader('content-type', 'text/plain');
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res.send(robots);
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});
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server.post('/build-css/all', (req, res) => {
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buildAll(res);
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});
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server.post('/build-css/:id/:suffix', jsonParser,(req, res) => {
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let variables = Layout.getVariables(CustomizationOptions.checkForObsoleteVersion(req.body, req.params.id));
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buildCss(req.params.id , req.params.suffix, variables);
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res.status(200).send({
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code: 200,
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message: 'CSS build for ' + req.params.id + ' layout was successful'
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});
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});
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server.post('/build-css/preview/:id/:suffix', jsonParser, (req, res) => {
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let variables = Layout.getVariables(CustomizationOptions.checkForObsoleteVersion(req.body, req.params.id));
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buildCss(req.params.id, req.params.suffix, variables);
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res.status(200).send({code: 200, message: 'CSS build for ' + req.params.id + ' layout was successful'});
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});
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// Example Express Rest API endpoints
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// server.get('/api/**', (req, res) => { });
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// Serve static files from /browser
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server.get('*.*', express.static(distFolder, {
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maxAge: '1y'
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}));
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// All regular routes use the Universal engine
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server.get('*', (req, res) => {
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res.render(indexHtml, {
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req, providers: [
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{
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provide: APP_BASE_HREF,
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useValue: req.baseUrl
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},
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{
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provide: REQUEST, useValue: (req)
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},
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{
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provide: RESPONSE, useValue: (res)
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}
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]
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}
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);
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});
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return server;
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}
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function run() {
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const port = process.env.PORT || 4000;
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// Start up the Node server
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const server = app();
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server.listen(port, () => {
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console.log(`Node Express server listening on http://localhost:${port}`);
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});
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}
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// Webpack will replace 'require' with '__webpack_require__'
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// '__non_webpack_require__' is a proxy to Node 'require'
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// The below code is to ensure that the server is run only when not requiring the bundle.
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declare const __non_webpack_require__: NodeRequire;
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const mainModule = __non_webpack_require__.main;
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const moduleFilename = mainModule && mainModule.filename || '';
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if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
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run();
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}
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export * from './src/main.server';
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