fix problem bug

routes/create/controllers/h5pPreviewController.js

@@ -85,6 +85,26 @@ router.get('/core/h5p-core.js', asyncHandler(async (req, res) => {
   res.type('application/javascript').sendFile(corePath);
 }));
 
+/**
+ * GET /libs/* — Serve H5P library files (JS, CSS, fonts, images).
+ * Uses the existing /api/create/h5p-preview/ route so no nginx config is needed.
+ */
+router.get('/libs/*', (req, res) => {
+  const requestedPath = req.params[0];
+
+  // Security: prevent directory traversal
+  if (requestedPath.includes('..')) {
+    return res.status(400).send('Invalid path');
+  }
+
+  const filePath = path.join(H5P_LIBS_DIR, requestedPath);
+  res.sendFile(filePath, (err) => {
+    if (err) {
+      res.status(404).send('Library file not found');
+    }
+  });
+});
+
 /**
  * GET /quiz/:quizId/render — Render quiz questions as real H5P content in-browser.
  * Each question gets its own numbered header + H5P.newRunnable() instance.
@@ -169,7 +189,9 @@ body { margin:0; padding:40px; font-family:-apple-system,BlinkMacSystemFont,"Seg
   // Read directly from h5p-libs (no temp dir or symlinks needed).
   const { cssFiles, jsFiles } = await resolveLibraryDependencies(syntheticH5pJson);
 
-  const libBasePath = '/h5p-libs';
+  // Serve library files through the existing /api route — works on all environments
+  // without needing extra nginx/proxy configuration.
+  const libBasePath = '/api/create/h5p-preview/libs';
   const cssTags = cssFiles.map(f => `  <link rel="stylesheet" href="${libBasePath}/${f}">`).join('\n');
   const jsTags = jsFiles.map(f => `  <script src="${libBasePath}/${f}" onerror="window.__h5pLoadErrors=(window.__h5pLoadErrors||[]);window.__h5pLoadErrors.push('${f.replace(/'/g, "\\'")}')"></script>`).join('\n');
 

server.js

@@ -167,9 +167,6 @@ app.post('/Shibboleth.sso/SAML2/POST', (req, res) => {
 // Static serving for extracted H5P preview files (before API routes to avoid rate limiting)
 app.use('/h5p-preview-files', express.static(path.join(__dirname, 'routes', 'create', 'uploads', 'h5p-preview')));
 
-// Static serving for H5P library files (used by quiz preview rendering)
-app.use('/h5p-libs', express.static(path.join(__dirname, 'routes', 'create', 'h5p-libs')));
-
 // Mount the API router FIRST (before static files)
 app.use('/api/create', createRoutes);
 

vite.config.mts

@@ -18,11 +18,6 @@ export default defineConfig(({ mode }) => ({
         target: 'http://localhost:8051',
         changeOrigin: true,
         secure: false,
-      },
-      '/h5p-libs': {
-        target: 'http://localhost:8051',
-        changeOrigin: true,
-        secure: false,
       }
     }
   },