unreserved_username_validator.rb 651 Bytes
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
# frozen_string_literal: true

class UnreservedUsernameValidator < ActiveModel::Validator
  def validate(account)
    @username = account.username
    return if @username.nil?

    account.errors.add(:username, I18n.t('accounts.reserved_username')) if reserved_username?
  end

  private

  def pam_controlled?
    return false unless Devise.pam_authentication && Devise.pam_controlled_service
    Rpam2.account(Devise.pam_controlled_service, @username).present?
  end

  def reserved_username?
    return true if pam_controlled?
    return false unless Setting.reserved_usernames
    Setting.reserved_usernames.include?(@username.downcase)
  end
end