Zabbix

<?php

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

/**

 * Controller class to maintain server-side notification generation tasks.

 */

class CControllerNotificationsGet extends CController {

​

    /**

     * @var array

     */

    private $notifications = [];

​

    /**

     * @var array

     */

    private $settings = [];

​

    /**

     * @var int

     */

    private $timeout_time = 0;

​

    /**

     * @var int

     */

    private $time_from = 0;

​

    /**

     * @var array

     */

    private $known_eventids = [];

​

    protected function init(): void {

        parent::init();

​

        $this->disableCsrfValidation();

    }

​

    protected function checkInput(): bool {

        $fields = [

            'known_eventids' => 'array_db events.eventid'

        ];

​

        $ret = $this->validateInput($fields);

​

        if (!$ret) {

            $this->setResponse(

                new CControllerResponseData(['main_block' => json_encode([

                    'error' => [

                        'messages' => array_column(get_and_clear_messages(), 'message')

                    ]

                ])])

            );

        }

​

        return $ret;

    }

​

    protected function checkPermissions(): bool {

        return (!CWebUser::isGuest() && $this->getUserType() >= USER_TYPE_ZABBIX_USER);

    }

​

    protected function doAction(): void {

        $this->notifications = [];

        $this->settings = getMessageSettings();

        $ok_timeout = (int) timeUnitToSeconds(CSettingsHelper::get(CSettingsHelper::OK_PERIOD));

        $timeout = (int) timeUnitToSeconds($this->settings['timeout']);

        $this->settings['timeout'] = $timeout;

        $this->settings['ok_timeout'] = min([$timeout, $ok_timeout]);

        $this->settings['show_recovered'] = (bool) $this->settings['triggers.recovery'];

        $this->settings['show_suppressed'] = (bool) $this->settings['show_suppressed'];

        if (!$this->settings['triggers.severities']) {

            $this->settings['enabled'] = true;

        }

​

        $this->timeout_time = time() - $this->settings['timeout'];

        $this->time_from = max([$this->settings['last.clock'], $this->timeout_time]);