ai generated solutions to our ai generated problems

server.cjs

@@ -158,7 +158,7 @@ const CSP_DIRECTIVES = [
   "style-src-elem 'self'",
   "style-src-attr 'unsafe-inline'",
   "img-src 'self' data: blob: https://*.basemaps.cartocdn.com https://basemaps.cartocdn.com",
-  "media-src https://*.dzcdn.net https://*.deezer.com",
+  "media-src 'self' https://*.dzcdn.net https://*.deezer.com",
   "font-src 'self' data:",
   "connect-src 'self' https://challenges.cloudflare.com",
   "frame-src https://challenges.cloudflare.com",
@@ -190,6 +190,11 @@ const mimeTypes = {
   '.png': 'image/png',
   '.svg': 'image/svg+xml',
   '.webp': 'image/webp',
+  '.mp4': 'video/mp4',
+  '.webm': 'video/webm',
+  '.ogg': 'video/ogg',
+  '.mp3': 'audio/mpeg',
+  '.wav': 'audio/wav',
 }
 
 function send(res, status, body, headers = {}) {
@@ -2429,8 +2434,8 @@ function serveStatic(req, res) {
     return send(res, 403, 'Forbidden', { 'content-type': 'text/plain; charset=utf-8' })
   }
 
-  fs.readFile(filePath, (error, data) => {
-    if (error) {
+  fs.stat(filePath, (error, stat) => {
+    if (error || !stat.isFile()) {
       fs.readFile(path.join(DIST_DIR, 'index.html'), (indexError, indexData) => {
         if (indexError) {
           return send(res, 404, 'Build not found. Run npm run build first.', {
@@ -2445,14 +2450,63 @@ function serveStatic(req, res) {
 
     const ext = path.extname(filePath)
     if (ext === '.html') {
-      sendHtml(req, res, data)
+      fs.readFile(filePath, (htmlError, htmlData) => {
+        if (htmlError) {
+          return send(res, 500, 'Error reading file', { 'content-type': 'text/plain; charset=utf-8' })
+        }
+        sendHtml(req, res, htmlData)
+      })
       return
     }
 
-    send(res, 200, data, {
-      'content-type': mimeTypes[ext] || 'application/octet-stream',
-      'cache-control': 'public, max-age=31536000, immutable',
-    })
+    const contentType = mimeTypes[ext] || 'application/octet-stream'
+    const range = req.headers.range
+
+    if (range) {
+      const parts = range.replace(/bytes=/, '').split('-')
+      const start = parseInt(parts[0], 10)
+      const end = parts[1] ? parseInt(parts[1], 10) : stat.size - 1
+
+      if (isNaN(start) || start < 0 || start >= stat.size || end >= stat.size || start > end) {
+        res.writeHead(416, {
+          ...securityHeaders(req),
+          'Content-Range': `bytes */${stat.size}`,
+          'Accept-Ranges': 'bytes',
+          'content-type': 'text/plain',
+        })
+        return res.end('Requested Range Not Satisfiable')
+      }
+
+      const chunksize = end - start + 1
+      const fileStream = fs.createReadStream(filePath, { start, end })
+      const headers = {
+        ...securityHeaders(req),
+        'Content-Range': `bytes ${start}-${end}/${stat.size}`,
+        'Accept-Ranges': 'bytes',
+        'Content-Length': String(chunksize),
+        'content-type': contentType,
+        'cache-control': 'public, max-age=31536000, immutable',
+      }
+      res.writeHead(206, headers)
+      fileStream.pipe(res)
+      fileStream.on('error', (err) => {
+        console.error(`Stream error serving ${filePath}:`, err)
+      })
+    } else {
+      const fileStream = fs.createReadStream(filePath)
+      const headers = {
+        ...securityHeaders(req),
+        'Accept-Ranges': 'bytes',
+        'Content-Length': String(stat.size),
+        'content-type': contentType,
+        'cache-control': 'public, max-age=31536000, immutable',
+      }
+      res.writeHead(200, headers)
+      fileStream.pipe(res)
+      fileStream.on('error', (err) => {
+        console.error(`Stream error serving ${filePath}:`, err)
+      })
+    }
   })
 }