add delete acme token

lemur/plugins/lemur_aws/plugin.py

@@ -449,6 +449,34 @@ class S3DestinationPlugin(ExportDestinationPlugin):
         metrics.send(f"{function}", "counter", 1, metric_tags={"result": res,
                                                                "bucket_name": bucket_name,
                                                                "filename": filename})
+        return response
+
+    def delete_acme_token(self, token_path, options, **kwargs):
+
+        current_app.logger.debug("S3 destination plugin is started to delete HTTP-01 challenge")
+
+        function = f"{__name__}.{sys._getframe().f_code.co_name}"
+
+        account_number = self.get_option("accountNumber", options)
+        bucket_name = self.get_option("bucket", options)
+        prefix = self.get_option("prefix", options)
+        filename = token_path.split("/")[-1]
+        response = s3.delete(bucket_name=bucket_name,
+                             prefixed_object_name=prefix + filename,
+                             account_number=account_number)
+        res = "Success" if response else "Failure"
+        log_data = {
+            "function": function,
+            "message": "delete acme token challenge",
+            "result": res,
+            "bucket_name": bucket_name,
+            "filename": filename
+        }
+        current_app.logger.info(log_data)
+        metrics.send(f"{function}", "counter", 1, metric_tags={"result": res,
+                                                               "bucket_name": bucket_name,
+                                                               "filename": filename})
+        return response
 
 
 class SNSNotificationPlugin(ExpirationNotificationPlugin):