public function adm_get_safe_user_data() {
		if (!$this->store_is_logged_in())
			return [AdminStoreError::USER_NOT_LOGGED_IN];
		$data = $this->user_data;
		foreach (['upass', 'usalt', 'sid', 'token', 'expire'] as $key)
			unset($data[$key]);
		return [0, $data];
	}