Update middleware/midware.js

middleware/midware.js

@@ -12,6 +12,7 @@ const EXTRA_ALLOWED_UA = [
 
 const authenticateApiKeyPremium = async (req, res, next) => {
   const apiKey = req.headers['x-api-key'];
+  const validRyzenthKey = /^sk-ryzenth-[a-zA-Z]{10}$/;
   const ua = req.headers['user-agent'];
 
   const isAllowed = ALLOWED_UA_REGEX.test(ua || "") ||
@@ -28,6 +29,13 @@ const authenticateApiKeyPremium = async (req, res, next) => {
     return res.status(401).json({ error: 'Premium API Key required' });
   }
 
+  if (!validRyzenthKey.test(apiKey)) {
+      return res.status(402).json({
+        status: "error",
+        message: "API Key disabled or invalid. Please upgrade to sk-ryzenth-* format."
+      });
+  }
+
   try {
     const keyData = await ApiKey.findOne({ key: apiKey });
     if (!keyData) {