users: add user name blacklist.

2020-04-06 14:12:57 -05:00
parent 1e0f6f730a
commit 6d615001e4
3 changed files with 13 additions and 0 deletions
--- a/app/logical/user_name_validator.rb
+++ b/app/logical/user_name_validator.rb
@@ -6,5 +6,6 @@ class UserNameValidator < ActiveModel::EachValidator
    rec.errors[attr] << "must be 2 to 100 characters long" if !name.length.between?(2, 100)
    rec.errors[attr] << "cannot have whitespace or colons" if name =~ /[[:space:]]|:/
    rec.errors[attr] << "cannot begin or end with an underscore" if name =~ /\A_|_\z/
+    rec.errors[attr] << "is not allowed" if name =~ Regexp.union(Danbooru.config.user_name_blacklist)
  end
 end