From 98ca9c2fc0e698ab84443b5ae45ec2fe8c642a2a Mon Sep 17 00:00:00 2001
From: zaziemo <maren.heltsche@gmail.com>
Date: Mon, 4 Nov 2024 21:46:06 +0100
Subject: [PATCH] Try to throttle OAI Searchbot more than others

[#1421]
---
 config/initializers/rack_attack.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config/initializers/rack_attack.rb b/config/initializers/rack_attack.rb
index 306038958..b9e35262b 100644
--- a/config/initializers/rack_attack.rb
+++ b/config/initializers/rack_attack.rb
@@ -24,6 +24,10 @@ class Rack::Attack
   # Throttle all requests by IP (60rpm)
   #
   # Key: "rack::attack:#{Time.now.to_i/:period}:req/ip:#{req.ip}"
+  throttle('req/user_agent', limit: 10, period: 5.minutes) do |req|
+    req.user_agent == 'OAI-SearchBot'
+  end
+
   throttle('req/ip', limit: 100, period: 5.minutes) do |req|
     req.ip
   end