From 80a944c882ddbca4d546d03503f0ccff15703484 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Tue, 10 Apr 2018 01:20:18 +0200
Subject: [PATCH] Log rate limit hits (#7096)

Fix #7095
---
 config/initializers/rack_attack_logging.rb | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 config/initializers/rack_attack_logging.rb

diff --git a/config/initializers/rack_attack_logging.rb b/config/initializers/rack_attack_logging.rb
new file mode 100644
index 000000000..2ddbfb99c
--- /dev/null
+++ b/config/initializers/rack_attack_logging.rb
@@ -0,0 +1,4 @@
+ActiveSupport::Notifications.subscribe('rack.attack') do |_name, _start, _finish, _request_id, req|
+  next unless [:throttle, :blacklist].include? req.env['rack.attack.match_type']
+  Rails.logger.info("Rate limit hit (#{req.env['rack.attack.match_type']}): #{req.ip} #{req.request_method} #{req.fullpath}")
+end