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/>.

**/

​

​

use Zabbix\Core\{

    CModule,

    CWidget

};

​

/**

 * Controller for strict validation of widget configuration form.

 */

class CControllerDashboardWidgetCheck extends CController {

​

    private ?CWidget $widget = null;

​

    protected function init(): void {

        $this->setPostContentType(self::POST_CONTENT_TYPE_JSON);

        $this->disableCsrfValidation();

    }

​

    protected function checkInput(): bool {

        $fields = [

            'type' =>       'required|string',

            'fields' =>     'array',

            'templateid' => 'db dashboard.templateid',

            'name' =>       'required|string'

        ];

​

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

​

        if ($ret) {

            $widget = APP::ModuleManager()->getModule($this->getInput('type'));

​

            if ($widget !== null && $widget->getType() === CModule::TYPE_WIDGET) {

                $this->widget = $widget;

            }

            else {

                error(_('Inaccessible widget type.'));

​

                $ret = false;

            }

        }

​

        if (!$ret) {

            $this->setResponse(

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

                    'error' => [

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

                    ]

                ])])