Zabbix

<?php

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/**

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

 */

class CControllerNotificationsGet extends CController {

​

    protected function init() {

        parent::init();

​

        $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]);

    }

​

    protected function checkInput() {

        $fields = [

            'known_eventids' => 'array_db events.eventid'

        ];

​

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

​

        if (!$ret) {

            $this->setResponse(new CControllerResponseData(['main_block' => json_encode(['error' => true])]));

        }

​

        return $ret;

    }

​

    protected function checkPermissions() {

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

    }

​

    protected function doAction() {

        if (!$this->settings['enabled']) {

            $this->setResponse(new CControllerResponseData(['main_block' => $this->makeResponseData()]));

            return;

        }

​

        // Server returns only basic details for events already known by client-side.

        $this->known_eventids = array_flip($this->getInput('known_eventids', []));

        $this->loadNotifications();

​

        $this->setResponse(new CControllerResponseData(['main_block' => $this->makeResponseData()]));

    }

​

    protected function loadNotifications() {

        // Select problem events.

        $options = [

            'output' => ['eventid', 'r_eventid', 'objectid', 'severity', 'clock', 'r_clock', 'name'],

            'source' => EVENT_SOURCE_TRIGGERS,

            'object' => EVENT_OBJECT_TRIGGER,

            'severities' => array_keys($this->settings['triggers.severities']),

            'suppressed' => $this->settings['show_suppressed'] ? null : false,

            'sortorder' => ZBX_SORT_DOWN,

            'sortfield' => 'eventid',

            'limit' => 15,

            'preservekeys' => true

        ];

​

        $options += $this->settings['show_recovered']