server.ts

import 'zone.js/dist/zone-node';

import { ngExpressEngine } from '@nguniversal/express-engine';
import * as express from 'express';
import { join } from 'path';
import * as url from 'url';

import { AppServerModule } from './src/main.server';
import { APP_BASE_HREF } from '@angular/common';
import { existsSync } from 'fs';

// The Express app is exported so that it can be used by serverless Functions.
export function app(): any {
  const server = express();
  const distFolder = join(process.cwd(), 'dist/bounding-box/browser');
  const indexHtml = existsSync(join(distFolder, 'index.original.html')) ? 'index.original.html' : 'index';

  const LANDING_AI_API = 'https://k4px9ykgri.execute-api.us-east-2.amazonaws.com/prod';
  const LANDING_AI_IMG_HOST = 'https://imaging.nikon.com';

  // Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
  server.engine('html', ngExpressEngine({
    bootstrap: AppServerModule,
  }));

  server.set('view engine', 'html');
  server.set('views', distFolder);

  // Example Express Rest API endpoints
  // server.get('/api/**', (req, res) => { });
  // Serve static files from /browser
  server.get('*.*', express.static(distFolder, {
    maxAge: '1y'
  }));

  // All regular routes use the Universal engine
  //
  server.get('/api/imgs', async (req, res) => {
    const request = require('request');
    request(LANDING_AI_API, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        console.log(body);
        return res.send(body);
        // console.log(body) // Print the google web page.
      }
    })

  });

  server.get('/api/lineup/*', async (req, res) => {
    const request = require('request').defaults({ encoding: null });
    const path = req.originalUrl.replace('/api','')
    const fullUrl = LANDING_AI_IMG_HOST + path;

    res.setHeader("content-disposition", "attachment; filename=file.png");
    return request(fullUrl).pipe(res)

  });
  server.get('*', (req, res) => {
    res.render(indexHtml, { req, providers: [{ provide: APP_BASE_HREF, useValue: req.baseUrl }] });
  });

  return server;
}

function run(): void {
  const port = process.env.PORT || 4000;

  // Start up the Node server
  const server = app();
  server.listen(port, () => {
    console.log(`Node Express server listening on http://localhost:${port}`);
  });
}

// Webpack will replace 'require' with '__webpack_require__'
// '__non_webpack_require__' is a proxy to Node 'require'
// The below code is to ensure that the server is run only when not requiring the bundle.
declare const __non_webpack_require__: NodeRequire;
const mainModule = __non_webpack_require__.main;
const moduleFilename = mainModule && mainModule.filename || '';
if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
  run();
}

export * from './src/main.server';