From c44ddbdb3ec0daf11a362629e7caaecd958eea3a Mon Sep 17 00:00:00 2001
From: Thijs Kinkhorst <thijs@kinkhorst.com>
Date: Tue, 14 Feb 2023 19:05:57 +0100
Subject: [PATCH] Fix paths with url-encoded @ to redirect to the correct path
 (#23593)

---
 config/routes.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config/routes.rb b/config/routes.rb
index d71a9bbbe4d..fc27e0cb6f4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -109,6 +109,8 @@ Rails.application.routes.draw do
 
   resource :inbox, only: [:create], module: :activitypub
 
+  get '/:encoded_at(*path)', to: redirect("/@%{path}"), constraints: { encoded_at: /%40/ }
+
   constraints(username: /[^@\/.]+/) do
     get '/@:username', to: 'accounts#show', as: :short_account
     get '/@:username/with_replies', to: 'accounts#show', as: :short_account_with_replies