1 files changed, 28 insertions, 0 deletions
diff --git a/lib/api/helpers/rate_limiter.rb b/lib/api/helpers/rate_limiter.rb
new file mode 100644
index 00000000000..5a531b5324a
--- /dev/null
+++ b/lib/api/helpers/rate_limiter.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module API
+  module Helpers
+    module RateLimiter
+      def check_rate_limit!(key, scope)
+        if rate_limiter.throttled?(key, scope: scope)
+          log_request(key)
+          render_exceeded_limit_error!
+        end
+      end
+
+      private
+
+      def rate_limiter
+        ::Gitlab::ApplicationRateLimiter
+      end
+
+      def render_exceeded_limit_error!
+        render_api_error!({ error: _('This endpoint has been requested too many times. Try again later.') }, 429)
+      end
+
+      def log_request(key)
+        rate_limiter.log_request(request, "#{key}_request_limit".to_sym, current_user)
+      end
+    end
+  end
+end