module Gitlab module IncomingEmail WILDCARD_PLACEHOLDER = '%{key}'.freeze class << self FALLBACK_MESSAGE_ID_REGEX = /\Areply\-(.+)@#{Gitlab.config.gitlab.host}\Z/.freeze def enabled? config.enabled && config.address end def supports_wildcard? config.address && config.address.include?(WILDCARD_PLACEHOLDER) end def supports_issue_creation? enabled? && supports_wildcard? end def reply_address(key) config.address.gsub(WILDCARD_PLACEHOLDER, key) end def key_from_address(address) regex = address_regex return unless regex match = address.match(regex) return unless match match[1] end def key_from_fallback_message_id(mail_id) match = mail_id.match(FALLBACK_MESSAGE_ID_REGEX) return unless match match[1] end def config Gitlab.config.incoming_email end private def address_regex wildcard_address = config.address return nil unless wildcard_address regex = Regexp.escape(wildcard_address) regex = regex.gsub(Regexp.escape('%{key}'), "(.+)") Regexp.new(regex).freeze end end end end