# frozen_string_literal: true
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class UnreservedUsernameValidator < ActiveModel::Validator
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def validate(account)
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@username = account.username
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return if @username.nil?
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account.errors.add(:username, I18n.t('accounts.reserved_username')) if reserved_username?
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end
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private
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def pam_controlled?
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return false unless Devise.pam_authentication && Devise.pam_controlled_service
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Rpam2.account(Devise.pam_controlled_service, @username).present?
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end
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def reserved_username?
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return true if pam_controlled?
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return false unless Setting.reserved_usernames
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Setting.reserved_usernames.include?(@username.downcase)
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end
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end
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