fix: PDF immer von Wayback-URL, nicht Original-URL

backend/src/tools/paywallkiller/routes.js

@@ -55,9 +55,11 @@ router.get('/cdx', authenticate, async (req, res) => {
 });
 
 // ── POST /api/tools/paywallkiller/pdf ─────────────────────────────────────
+// Immer Wayback-URL verwenden – Originalseite hat server-seitige Paywall
 router.post('/pdf', authenticate, async (req, res) => {
   const { originalUrl, archiveUrl } = req.body;
-  const targetUrl = originalUrl || archiveUrl;
+  // archiveUrl (Wayback) bevorzugen – hat vollen Text ohne server-seitige Paywall
+  const targetUrl = archiveUrl || originalUrl;
   if (!targetUrl || typeof targetUrl !== 'string') return res.status(400).json({ error: 'URL fehlt' });
 
   const tmpFile = path.join('/tmp', `pwk_${crypto.randomBytes(8).toString('hex')}.pdf`);
@@ -86,68 +88,36 @@ router.post('/pdf', authenticate, async (req, res) => {
     await page.setViewport({ width: 1280, height: 900 });
     await page.goto(targetUrl, { waitUntil: 'networkidle0', timeout: 30000 });
 
-    // Paywall-Elemente per JavaScript entfernen (effektiver als reines CSS)
+    // UI-Störelemente entfernen (Wayback-Toolbar, Cookie-Banner, Werbung)
+    // Der Artikel-Text ist im Wayback-Snapshot vollständig vorhanden
     await page.evaluate(() => {
-      // Selektoren für Paywall/Overlay-Elemente
-      const selectors = [
-        // Generisch
-        '[class*="paywall"]', '[class*="Paywall"]', '[id*="paywall"]',
-        '[class*="piano"]', '[class*="Piano"]', '[id*="piano"]',
-        '[class*="subscription-wall"]', '[class*="subscriptionWall"]',
-        '[class*="overlay"]', '[class*="modal-backdrop"]',
-        // Cookie/Consent
-        '[class*="cookie-banner"]', '[class*="cookieBanner"]',
-        '[class*="consent"]', '[id*="consent"]',
-        '#usercentrics-root', '.uc-banner',
+      const remove = [
+        // Wayback Machine Toolbar
+        '#wm-ipp-base', '#wm-ipp', '#donato', '#wm-ipp-print',
+        // Cookie/Consent Banner
+        '#usercentrics-root', '.uc-banner', '#usercentrics-cmp-ui',
         '#onetrust-consent-sdk', '.onetrust-pc-dark-filter',
-        // Piano/TP
-        '.tp-modal', '.tp-backdrop', '#tp-container', '.tp-active',
-        // Funke/WAZ spezifisch
-        '.funke-piano', '.piano-checkout', '.article__paywall',
-        '[data-piano-inline]', '[data-tp-content]',
+        '[id*="cookie"]', '[class*="cookie-banner"]', '[class*="cookieBanner"]',
+        '[class*="consent-banner"]', '[id*="consent-banner"]',
+        // Sticky Header/Footer
+        'header[class*="sticky"]', '[class*="sticky-header"]',
+        '[class*="stickyHeader"]', '[class*="fixed-header"]',
         // Werbung
-        '[id^="ad-"]', '[class*="advertisement"]',
-        // Wayback toolbar
-        '#wm-ipp-base', '#wm-ipp', '#donato',
+        '[class*="advertisement"]', '[class*="adslot"]', '[id^="div-gpt-ad"]',
+        // Newsletter-Popup, Abo-Hinweise (nicht die Paywall selbst)
+        '[class*="newsletter"]', '[class*="teaser-abo"]',
       ];
-
-      // Elemente entfernen
-      selectors.forEach(sel => {
-        try {
-          document.querySelectorAll(sel).forEach(el => el.remove());
-        } catch {}
+      remove.forEach(sel => {
+        try { document.querySelectorAll(sel).forEach(el => el.remove()); } catch {}
       });
 
-      // body/html overflow und blur zurücksetzen
+      // body overflow freigeben
       document.body.style.overflow = 'visible';
       document.documentElement.style.overflow = 'visible';
-
-      // Alle blur-Filter entfernen
-      document.querySelectorAll('*').forEach(el => {
-        const style = window.getComputedStyle(el);
-        if (style.filter && style.filter !== 'none') {
-          el.style.filter = 'none';
-        }
-        // Versteckte Artikel-Inhalte aufdecken
-        if (el.getAttribute('aria-hidden') === 'true') {
-          const tag = el.tagName.toLowerCase();
-          if (['p','div','section','article'].includes(tag)) {
-            el.removeAttribute('aria-hidden');
-          }
-        }
+      document.body.style.height = 'auto';
     });
 
-      // max-height Limits auf Artikel entfernen
-      document.querySelectorAll('article, [class*="article"], [class*="content"]').forEach(el => {
-        el.style.maxHeight = 'none';
-        el.style.overflow = 'visible';
-        el.style.webkitMaskImage = 'none';
-        el.style.maskImage = 'none';
-      });
-    });
-
-    // Kurz warten damit DOM-Änderungen rendern
-    await new Promise(r => setTimeout(r, 500));
+    await new Promise(r => setTimeout(r, 300));
 
     await page.pdf({
       path: tmpFile, format: 'A4', printBackground: true,