folx-tv/server/static.ts

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import express, { type Express } from "express";
import fs from "fs";
import path from "path";
import { storage } from "./storage";
function escapeHtml(str: string): string {
return str.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
}
function ogImageUrl(coverImage: string, baseUrl: string): string {
if (!coverImage) return "";
let imgPath = coverImage;
if (imgPath.endsWith(".webp")) {
imgPath = imgPath.replace(/\.webp$/, ".jpg");
}
return imgPath.startsWith("http") ? imgPath : `${baseUrl}${imgPath}`;
}
function stripExistingMeta(html: string): string {
html = html.replace(/<meta\s+property="og:[^"]*"[^>]*>\s*/gi, "");
html = html.replace(/<meta\s+name="twitter:[^"]*"[^>]*>\s*/gi, "");
html = html.replace(/<meta\s+name="description"[^>]*>\s*/gi, "");
html = html.replace(/<meta\s+name="keywords"[^>]*>\s*/gi, "");
html = html.replace(/<link\s+rel="canonical"[^>]*>\s*/gi, "");
return html;
}
export function serveStatic(app: Express) {
const distPath = path.resolve(__dirname, "public");
if (!fs.existsSync(distPath)) {
throw new Error(
`Could not find the build directory: ${distPath}, make sure to build the client first`,
);
}
app.use(express.static(distPath, {
setHeaders(res, filePath) {
if (filePath.endsWith("og-image.jpg") || filePath.includes("/uploads/") || filePath.includes("/images/")) {
res.setHeader("Cache-Control", "public, max-age=86400");
}
},
}));
app.use("/{*path}", async (req, res) => {
const url = req.originalUrl;
const indexPath = path.resolve(distPath, "index.html");
const canonicalBase = "https://folx.tv";
const host = req.get("host") || "folx.tv";
const protocol = req.get("x-forwarded-proto") || "https";
const baseUrl = `${protocol}://${host}`;
const articleMatch = url.match(/^\/article\/([^?#]+)/);
if (articleMatch) {
try {
const slug = decodeURIComponent(articleMatch[1]);
const article = await storage.getArticleBySlug(slug);
if (article) {
const articleUrl = `${canonicalBase}/article/${article.slug}`;
const imageUrl = ogImageUrl(article.coverImage || "", canonicalBase);
const finalImage = imageUrl || `${canonicalBase}/og-image.jpg`;
let template = await fs.promises.readFile(indexPath, "utf-8");
template = stripExistingMeta(template);
const pubDate = article.publishedAt
? new Date(article.publishedAt as any).toISOString()
: new Date().toISOString();
const jsonLd = {
"@context": "https://schema.org",
"@type": "NewsArticle",
"headline": article.title,
"description": article.excerpt,
"image": [finalImage],
"datePublished": pubDate,
"dateModified": pubDate,
"articleSection": article.category || "News",
"author": {
"@type": "Organization",
"name": article.author || "Folx Music Television",
"url": canonicalBase,
},
"publisher": {
"@type": "Organization",
"name": "Folx Music Television",
"logo": {
"@type": "ImageObject",
"url": `${canonicalBase}/og-image.jpg`,
},
},
"mainEntityOfPage": {
"@type": "WebPage",
"@id": articleUrl,
},
};
const jsonLdTag = `<script type="application/ld+json">${JSON.stringify(jsonLd).replace(/</g, "\\u003c")}</script>`;
const ogTags = [
`<meta property="og:title" content="${escapeHtml(article.title)}" />`,
`<meta property="og:description" content="${escapeHtml(article.excerpt)}" />`,
`<meta property="og:type" content="article" />`,
`<meta property="og:url" content="${escapeHtml(articleUrl)}" />`,
`<meta property="og:image" content="${escapeHtml(finalImage)}" />`,
`<meta property="og:image:secure_url" content="${escapeHtml(finalImage)}" />`,
`<meta property="og:image:width" content="800" />`,
`<meta property="og:image:height" content="450" />`,
`<meta property="og:image:type" content="image/jpeg" />`,
`<meta property="og:site_name" content="Folx Music Television" />`,
`<meta property="og:locale" content="de_DE" />`,
`<meta property="fb:pages" content="1428520781492675" />`,
`<meta name="twitter:card" content="summary_large_image" />`,
`<meta name="twitter:title" content="${escapeHtml(article.title)}" />`,
`<meta name="twitter:description" content="${escapeHtml(article.excerpt)}" />`,
`<meta name="twitter:image" content="${escapeHtml(finalImage)}" />`,
`<meta name="description" content="${escapeHtml(article.excerpt)}" />`,
`<meta name="keywords" content="Volksmusik, Schlager, ${escapeHtml(article.title)}, ${escapeHtml(article.category || 'News')}, FOLX TV" />`,
`<link rel="canonical" href="${escapeHtml(articleUrl)}" />`,
`<title>${escapeHtml(article.title)} - Volksmusik & Schlager | Folx Music Television</title>`,
jsonLdTag,
].join("\n ");
template = template.replace(/<title>[^<]*<\/title>/, ogTags);
res.status(200).set({ "Content-Type": "text/html" }).end(template);
return;
}
} catch (e) {
}
}
if (url.match(/^\/gallery(\/|$|\?)/)) {
let template = await fs.promises.readFile(indexPath, "utf-8");
template = stripExistingMeta(template);
const galTitle = "Fotogalerie \u2013 Einzigartige Momente von unseren Aufzeichnungen | FOLX TV";
const galDesc = "Spannende Schnappsch\u00fcsse und besondere Augenblicke, eingefangen bei unseren Aufzeichnungen. Authentische Bilder der Volksmusik- und Schlager-Stars in einzigartigen Momenten bei FOLX TV.";
const galUrl = `${canonicalBase}/gallery`;
const galImage = `${canonicalBase}/images/og-image.jpg`;
const galTags = [
`<meta property="og:title" content="${escapeHtml(galTitle)}" />`,
`<meta property="og:description" content="${escapeHtml(galDesc)}" />`,
`<meta property="og:type" content="website" />`,
`<meta property="og:url" content="${escapeHtml(galUrl)}" />`,
`<meta property="og:image" content="${escapeHtml(galImage)}" />`,
`<meta property="og:image:secure_url" content="${escapeHtml(galImage)}" />`,
`<meta property="og:image:width" content="1200" />`,
`<meta property="og:image:height" content="630" />`,
`<meta property="og:image:type" content="image/jpeg" />`,
`<meta property="og:site_name" content="Folx Music Television" />`,
`<meta property="og:locale" content="de_DE" />`,
`<meta name="twitter:card" content="summary_large_image" />`,
`<meta name="twitter:title" content="${escapeHtml(galTitle)}" />`,
`<meta name="twitter:description" content="${escapeHtml(galDesc)}" />`,
`<meta name="twitter:image" content="${escapeHtml(galImage)}" />`,
`<meta name="description" content="${escapeHtml(galDesc)}" />`,
`<meta name="keywords" content="Fotogalerie, Volksmusik Fotos, Schlager Bilder, Aufzeichnungen, Schnappschüsse, FOLX TV, Volksmusik Stars" />`,
`<link rel="canonical" href="${escapeHtml(galUrl)}" />`,
`<title>${escapeHtml(galTitle)}</title>`,
].join("\n ");
template = template.replace(/<title>[^<]*<\/title>/, galTags);
res.status(200).set({ "Content-Type": "text/html" }).end(template);
return;
}
if (url.match(/^\/horoskop(\/|$|\?)/)) {
let template = await fs.promises.readFile(indexPath, "utf-8");
template = stripExistingMeta(template);
const signMatch = url.match(/^\/horoskop\/([^?#]+)/);
const signName = signMatch ? decodeURIComponent(signMatch[1]) : null;
const capitalSign = signName ? signName.charAt(0).toUpperCase() + signName.slice(1) : null;
const title = capitalSign
? `${capitalSign} Horoskop Tages-, Wochen- & Monatshoroskop | Folx Music Television`
: "Horoskop Tages-, Wochen- & Monatshoroskop für alle Sternzeichen | Folx Music Television";
const desc = capitalSign
? `${capitalSign} Horoskop: Tägliches, wöchentliches und monatliches Horoskop. Liebe, Beruf & Gesundheit bei FOLX TV.`
: "Kostenloses Tageshoroskop, Wochenhoroskop & Monatshoroskop für alle 12 Sternzeichen. Liebe, Beruf, Gesundheit bei FOLX TV.";
const horoUrl = `${canonicalBase}${signName ? `/horoskop/${signName}` : "/horoskop"}`;
const horoImage = `${canonicalBase}/images/horoskop-og.jpg`;
const horoTags = [
`<meta property="og:title" content="${escapeHtml(title)}" />`,
`<meta property="og:description" content="${escapeHtml(desc)}" />`,
`<meta property="og:type" content="website" />`,
`<meta property="og:url" content="${escapeHtml(horoUrl)}" />`,
`<meta property="og:image" content="${escapeHtml(horoImage)}" />`,
`<meta property="og:image:secure_url" content="${escapeHtml(horoImage)}" />`,
`<meta property="og:image:width" content="1200" />`,
`<meta property="og:image:height" content="675" />`,
`<meta property="og:image:type" content="image/jpeg" />`,
`<meta property="og:site_name" content="Folx Music Television" />`,
`<meta property="og:locale" content="de_DE" />`,
`<meta name="twitter:card" content="summary_large_image" />`,
`<meta name="twitter:title" content="${escapeHtml(title)}" />`,
`<meta name="twitter:description" content="${escapeHtml(desc)}" />`,
`<meta name="twitter:image" content="${escapeHtml(horoImage)}" />`,
`<meta name="description" content="${escapeHtml(desc)}" />`,
`<meta name="keywords" content="Horoskop, Tageshoroskop, Wochenhoroskop, Monatshoroskop, Sternzeichen, Volksmusik, FOLX TV${capitalSign ? `, ${capitalSign}` : ""}" />`,
`<link rel="canonical" href="${escapeHtml(horoUrl)}" />`,
`<title>${escapeHtml(title)}</title>`,
].join("\n ");
template = template.replace(/<title>[^<]*<\/title>/, horoTags);
res.status(200).set({ "Content-Type": "text/html" }).end(template);
return;
}
let template = await fs.promises.readFile(indexPath, "utf-8");
res.status(200).set({ "Content-Type": "text/html" }).end(template);
});
}