MP4 on Hetz

app/api/files/[...key]/route.ts

@@ -45,17 +45,31 @@ export async function GET(
     return new NextResponse("Forbidden", { status: 403 });
   }
 
-  // ── Local disk first, Hetzner fallback ───────────────────────────────────
-  // Serve from local disk if the file exists there (covers unmigrated files).
-  // If not found locally, redirect to Hetzner object storage.
-  // Note: "Hetzner first" was attempted but caused 400s from Hetzner on
-  // presigned URLs — likely a bucket policy/CORS issue to investigate
-  // separately before re-enabling that path.
+  // ── Storage routing ───────────────────────────────────────────────────────
+  // Videos: check Hetzner first — bypasses ISP throttling for large streams.
+  //   Fallback to local disk if the file hasn't been migrated yet.
+  // Images / other assets: local disk only — avoids presigned-URL 400 errors
+  //   seen on Hetzner for non-video content.
+  const videoExts = new Set([".mp4", ".mov", ".avi", ".mxf", ".webm"]);
+  const isVideo = videoExts.has(path.extname(relativePath).toLowerCase());
+
+  if (isVideo) {
+    try {
+      if (await hetznerKeyExists(relativePath)) {
+        const hetznerUrl = await generateHetznerStreamUrl(relativePath, 3600);
+        return NextResponse.redirect(hetznerUrl, 302);
+      }
+    } catch {
+      // Hetzner unavailable — fall through to local disk
+    }
+  }
+
+  // Local disk (all non-video files, and video files not yet on Hetzner)
   let stat: fs.Stats;
   try {
     stat = fs.statSync(filePath);
   } catch {
-    // Not on local disk — try Hetzner
+    // Not on local disk and not a video served above — try Hetzner as last resort
     try {
       const hetznerUrl = await generateHetznerStreamUrl(relativePath, 3600);
       return NextResponse.redirect(hetznerUrl, 302);