class EmailReceiverWorker include ApplicationWorker def perform(raw) return unless Gitlab::IncomingEmail.enabled? begin Gitlab::Email::Receiver.new(raw).execute rescue => e handle_failure(raw, e) end end private def handle_failure(raw, e) Rails.logger.warn("Email can not be processed: #{e}\n\n#{raw}") return unless raw.present? can_retry = false reason = case e when Gitlab::Email::UnknownIncomingEmail "We couldn't figure out what the email is for. Please create your issue or comment through the web interface." when Gitlab::Email::SentNotificationNotFoundError "We couldn't figure out what the email is in reply to. Please create your comment through the web interface." when Gitlab::Email::ProjectNotFound "We couldn't find the project. Please check if there's any typo." when Gitlab::Email::EmptyEmailError can_retry = true "It appears that the email is blank. Make sure your reply is at the top of the email, we can't process inline replies." when Gitlab::Email::UserNotFoundError "We couldn't figure out what user corresponds to the email. Please create your comment through the web interface." when Gitlab::Email::UserBlockedError "Your account has been blocked. If you believe this is in error, contact a staff member." when Gitlab::Email::UserNotAuthorizedError "You are not allowed to perform this action. If you believe this is in error, contact a staff member." when Gitlab::Email::NoteableNotFoundError "The thread you are replying to no longer exists, perhaps it was deleted? If you believe this is in error, contact a staff member." when Gitlab::Email::InvalidRecordError can_retry = true e.message end if reason EmailRejectionMailer.rejection(reason, raw, can_retry).deliver_later end end end