Add violation tracking and account suspension

examples/filters/rate_limit_filter_pipeline.py

@@ -89,6 +89,7 @@ def log_request(self, user_id: str):
         if user_id not in self.user_requests:
             self.user_requests[user_id] = []
         self.user_requests[user_id].append(now)
+        self.increment_violation(user_id)  # Increment violation counter if rate limited
 
     def rate_limited(self, user_id: str) -> bool:
         """Check if a user is rate limited."""
@@ -99,16 +100,19 @@ def rate_limited(self, user_id: str) -> bool:
         if self.valves.requests_per_minute is not None:
             requests_last_minute = sum(1 for req in user_reqs if time.time() - req < 60)
             if requests_last_minute >= self.valves.requests_per_minute:
+                self.handle_violation(user_id)
                 return True
 
         if self.valves.requests_per_hour is not None:
             requests_last_hour = sum(1 for req in user_reqs if time.time() - req < 3600)
             if requests_last_hour >= self.valves.requests_per_hour:
+                self.handle_violation(user_id)
                 return True
 
         if self.valves.sliding_window_limit is not None:
             requests_in_window = len(user_reqs)
             if requests_in_window >= self.valves.sliding_window_limit:
+                self.handle_violation(user_id)
                 return True
 
         return False
@@ -124,4 +128,33 @@ async def inlet(self, body: dict, user: Optional[dict] = None) -> dict:
                 raise Exception("Rate limit exceeded. Please try again later.")
 
             self.log_request(user_id)
+            self.check_violations(user_id)  # Check for violations and issue warnings or suspend account if necessary
         return body
+
+
+    def increment_violation(self, user_id: str):
+        """Increment the violation counter for a user."""
+        if user_id not in self.user_violations:
+            self.user_violations[user_id] = 0
+        self.user_violations[user_id] += 1
+
+    def handle_violation(self, user_id: str):
+        """Handle a violation by a user."""
+        self.increment_violation(user_id)
+        self.check_violations(user_id)
+
+    def check_violations(self, user_id: str):
+        """Check the user's violation count and issue warnings or suspend the account if necessary."""
+        violation_count = self.user_violations.get(user_id, 0)
+        if violation_count >= 5:
+            self.suspend_account(user_id)
+        elif violation_count >= 3:
+            self.issue_warning(user_id)
+
+    def issue_warning(self, user_id: str):
+        """Issue a warning to the user."""
+        print(f"Warning issued to user {user_id}. Please adhere to the rate limits.")
+
+    def suspend_account(self, user_id: str):
+        """Suspend the user's account."""
+        print(f"User {user_id} has been suspended due to excessive violations.")