Fix idna bug

seated · Jun 20, 2023 · 40dc0bc · 40dc0bc
1 parent 567a88e
commit 40dc0bc
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/lib/public_suffix/rules_parser.ex b/lib/public_suffix/rules_parser.ex
@@ -57,10 +57,12 @@ defmodule PublicSuffix.RulesParser do
 
   @doc false
   def punycode_domain(rule) do
-    rule
-    |> :unicode.characters_to_list()
-    |> idna_call()
-    |> to_string
+    try do
+      punyrule = :idna.to_ascii(rule)
+      to_string(punyrule)
+      catch
+       :exit, _ -> rule
+    end
   end
 
   def idna_call('!' ++ char_list), do: '!' ++ idna_call(char_list)