return partial content header

Author: ProgrammerIn-wonderland

src/backend/src/routers/filesystem_api/read.js

@@ -60,6 +60,10 @@ module.exports = eggspress('/read', {
             other_key: 'byte_count',
         });
     }
+    if (req.headers["range"]) {
+        res.status(206);
+    }
+    res.set({"Accept-Ranges": "bytes"});
 
     const hl_read = new HLRead();
     const stream = await hl_read.run({

src/backend/src/routers/filesystem_api/token-read.js

@@ -79,6 +79,10 @@ module.exports = eggspress('/token-read', {
             other_key: 'byte_count',
         });
     }
+    if (req.headers["range"]) {
+        res.status(206);
+    }
+    res.set({ "Accept-Ranges": "bytes" });
 
     const hl_read = new HLRead();
     const stream = await context.arun(async () => await hl_read.run({