1 files changed, 26 insertions, 6 deletions
diff --git a/apps/web/app/api/assets/[assetId]/route.ts b/apps/web/app/api/assets/[assetId]/route.ts
index 73237d8d..3bff79ba 100644
--- a/apps/web/app/api/assets/[assetId]/route.ts
+++ b/apps/web/app/api/assets/[assetId]/route.ts
@@ -27,10 +27,30 @@ export async function GET(
     assetId: params.assetId,
   });
 
-  return new Response(asset, {
-    status: 200,
-    headers: {
-      "Content-type": metadata.contentType,
-    },
-  });
+  const range = request.headers.get("Range");
+  if (range) {
+    const parts = range.replace(/bytes=/, "").split("-");
+    const start = parseInt(parts[0], 10);
+    const end = parts[1] ? parseInt(parts[1], 10) : asset.length - 1;
+
+    // TODO: Don't read the whole asset into memory in the first place
+    const chunk = asset.subarray(start, end + 1);
+    return new Response(chunk, {
+      status: 206, // Partial Content
+      headers: {
+        "Content-Range": `bytes ${start}-${end}/${asset.length}`,
+        "Accept-Ranges": "bytes",
+        "Content-Length": chunk.length.toString(),
+        "Content-type": metadata.contentType,
+      },
+    });
+  } else {
+    return new Response(asset, {
+      status: 200,
+      headers: {
+        "Content-Length": asset.length.toString(),
+        "Content-type": metadata.contentType,
+      },
+    });
+  }
 }