added OwnerMiddleware

telegram/middlewares.py

@@ -0,0 +1,19 @@
+import logging
+
+from aiogram.types import Message
+from aiogram.dispatcher.middlewares import BaseMiddleware
+
+from config import Config
+
+
+class OwnerMiddleware(BaseMiddleware):
+    """
+    Ignore commands from non-owner.
+    """
+    def __init__(self):
+        self.bot_owner = Config().bot_owner
+        super(OwnerMiddleware, self).__init__()
+
+    async def on_pre_process_message(self, message: Message, _):
+        if message.chat.id != self.bot_owner:
+            message.text = ''