message: remove control characters from subject

And add a unit-test. Fixes #2477
2023-04-24 21:35:22 +03:00
parent a3538e5ef1
commit 36d89f400f
2 changed files with 25 additions and 1 deletions
--- a/lib/message/mu-message.cc
+++ b/lib/message/mu-message.cc
@ -700,7 +700,7 @@ fill_document(Message::Private& priv)
 		case Field::Id::Size: /* already */
 			break;
 		case Field::Id::Subject:
-			doc.add(field.id, mime_msg.subject());
+			doc.add(field.id, mime_msg.subject().map(remove_ctrl));
 			break;
 		case Field::Id::Tags:
 			if (auto&& tags{extract_tags(mime_msg)}; !tags.empty())