D-Net

 // - Serve sitemap based on the host -

  app.get('/sitemap.xml', (req, res) => {

    console.log(req.get("host"));

    let host = req.get("host").split(":")[0];

    let connectLinks= ["/","/about/learn-how","/about/learn-in-depth", "/about/faq","/search/find/communities"];

    let communityLinks= ["/","/search/find/research-outcomes","/search/advanced/research-outcomes","/participate/deposit/learn-how","/organizations", "/content"];

    let sitemap = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +

      "<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\">";

    let urlPre = "<url>\n" +

      "    <loc><![CDATA[";

    let urlSuf = "]]></loc>\n" +

      "    </url>";

    for(let link of (host.indexOf("connect.openaire.eu") == -1 ?communityLinks:connectLinks)){

      sitemap += urlPre + "https://" + host + link + urlSuf;

     }

    sitemap += "\n</urlset>";

    console.log(req.secure);

    res.setHeader('content-type', 'application/xml');

    res.send( sitemap);

  });