fix exp

app.js

@@ -57,7 +57,8 @@ app.post("/upload", upload.single("file"), (req, res) => {
     }
 
     const filePath = req.file.filename;
-    const expiresAt = Date.now() + EXPIRATION_TIME;
+    const customExpiration = req.body.expires_in ? parseInt(req.body.expires_in) * 1000 : EXPIRATION_TIME;
+    const expiresAt = Date.now() + customExpiration;
     fileData[filePath] = expiresAt;
     fs.writeFile(META_FILE, JSON.stringify(fileData, null, 2), (err) => {
         if (err) console.error("Gagal menulis ke api.json:", err);