Update index.js

index.js

@@ -277,6 +277,7 @@ app.get("/runtime", async (req, res) => {
 
 app.post("/api/v2/key/upgrade-key", authenticateApiKey, apiLimiter, async (req, res) => {
   try {
+    const bannedCollection = dbClient.collection("banned_users");
     const userIdNumber = Number(req.query.user_id);
 
     if (isNaN(userIdNumber) || userIdNumber === 0) {
@@ -285,6 +286,11 @@ app.post("/api/v2/key/upgrade-key", authenticateApiKey, apiLimiter, async (req,
 
     const existingUser = await ApiKey.findOne({ owner: userIdNumber });
 
+    const isBanned = await bannedCollection.findOne({ user_id: userIdNumber });
+    if (isBanned) {
+      return res.status(200).json({ message: "You are permanently banned from creating API keys", is_deleted: true });
+    }
+
     if (!existingUser) {
       return res.status(404).json({ error: "API key not found" });
     }