From 3f95c1446e9ed8e9eb6562ca4cf3b6519fa454ba Mon Sep 17 00:00:00 2001
From: Louis Lambeau <louis.lambeau@enspirit.be>
Date: Thu, 13 Jun 2024 12:25:16 +0200
Subject: [PATCH] Configurable rack query parser key space limit.

---
 CHANGELOG.md        | 4 ++++
 README.md           | 2 ++
 lib/talktome/app.rb | 6 ++++++
 3 files changed, 12 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02aa427..be6ff18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.3.1 - 2024-06-13
+
+* Rack parser's max key space limit is now configurable through the RACK_KEY_SPACE_LIMIT env variable
+
 ## 2.3.0 - 2024-06-06
 
 * Sinatra >= 3.2 must be used.
diff --git a/README.md b/README.md
index 2815049..eb88602 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,8 @@ TALKTOME_SMTP_STARTTLS_AUTO         true or false (see ruby Mail library)
 TALKTOME_SMTP_OPENSSL_VERIFY_MODE   none or peer (see ruby Mail library). Defaults to peer.
 
 TALKTOME_BEARER_SECRET              secret for the webapi, to let send emails to anyone
+
+RACK_KEY_SPACE_LIMIT                configures the max key space limit for the rack query parser
 ```
 
 ## Hacking Talktome
diff --git a/lib/talktome/app.rb b/lib/talktome/app.rb
index 42f789b..268cff0 100644
--- a/lib/talktome/app.rb
+++ b/lib/talktome/app.rb
@@ -11,6 +11,12 @@ class App < Sinatra::Application
       g.body{ "An error occured." }
     end
 
+    if key_space_limit = Talktome.env('RACK_KEY_SPACE_LIMIT')
+      if Rack::Utils.respond_to?("key_space_limit=")
+        Rack::Utils.key_space_limit = key_space_limit.to_i
+      end
+    end
+
     set :raise_errors, true
     set :show_exceptions, false
     set :talktome, Talktome::Client::Local.new(ROOT_FOLDER/'templates')