From 514c57ce5827c343678ed60498eefc929778676a Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Thu, 9 Dec 2021 23:08:29 -0600
Subject: [PATCH] api: add rate limit to /explore/posts/popular.json endpoint.

Add a rate limit of 1 request per minute to the /explore/posts/popular.json endpoint.
This is to deal with a particular bot checking this page multiple times
per second.
---
 app/controllers/explore/posts_controller.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/controllers/explore/posts_controller.rb b/app/controllers/explore/posts_controller.rb
index f733bf6e1..20e289356 100644
--- a/app/controllers/explore/posts_controller.rb
+++ b/app/controllers/explore/posts_controller.rb
@@ -2,6 +2,8 @@ module Explore
   class PostsController < ApplicationController
     respond_to :html, :xml, :json
 
+    rate_limit :popular, rate: 1.0/1.minute, burst: 50, if: -> { request.format.json? }, key: "explore:popular.json"
+
     def popular
       @date, @scale, @min_date, @max_date = parse_date(params)