Zabbix

<?php declare(strict_types = 0);

/*

** 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/>.

**/

​

​

/**

 * Class to handle "charts.view" requests.

 */

class CControllerChartsView extends CControllerCharts {

​

    protected function init() {

        $this->disableCsrfValidation();

    }

​

    protected function checkInput() {

        $fields = [

            'from' =>               'range_time',

            'to' =>                 'range_time',

            'view_as' =>            'in '.HISTORY_GRAPH.','.HISTORY_VALUES,

            'filter_set' =>         'in 1',

            'filter_rst' =>         'in 1',

            'filter_hostids' =>     'array_id',

            'filter_name' =>        'string',

            'filter_show' =>        'in '.GRAPH_FILTER_ALL.','.GRAPH_FILTER_HOST.','.GRAPH_FILTER_SIMPLE,

            'subfilter_set' =>      'in 1',

            'subfilter_tagnames' => 'array',

            'subfilter_tags' =>     'array',

            'page' =>               'ge 1'

        ];

​

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

​

        if ($ret && $this->hasInput('subfilter_tagnames')) {

            $tagnames = $this->getInput('subfilter_tagnames', []);

            $ret = !$tagnames || count($tagnames) == count(array_filter($tagnames, 'is_string'));

        }

​

        if ($ret && $this->hasInput('subfilter_tags')) {

            $tags = $this->getInput('subfilter_tags', []);

            foreach ($tags as $tag => $values) {

                if (!is_scalar($tag) || !is_array($values)

                        || count($values) != count(array_filter($values, 'is_string'))) {

                    $ret = false;

                    break;

                }

            }

        }

​

        if (!$ret) {

            $this->setResponse(new CControllerResponseFatal());

        }

​