Configurable rack query parser key space limit.

enspirit · Jun 14, 2024 · 3f95c14 · 3f95c14
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diff --git 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
@@ -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
@@ -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')