Don't normalize invalid domain names (#4499)

Fixes #4496

diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index 7b89305ac535a721e5e3ef584f5a1f62ccdc8e2f..cacc0364fd84b356b60af707c6e22486385d3579 100644 (file)
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -104,7 +104,7 @@ class Formatter
     html_attrs     = { target: '_blank', rel: 'nofollow noopener' }
 
     Twitter::Autolink.send(:link_to_text, entity, link_html(entity[:url]), normalized_url, html_attrs)
-  rescue Addressable::URI::InvalidURIError
+  rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
     encode(entity[:url])
   end