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/>.

**/

​

​

abstract class CHostBase extends CApiService {

​

    public const ACCESS_RULES = [

        'get' => ['min_user_type' => USER_TYPE_ZABBIX_USER],

        'create' => ['min_user_type' => USER_TYPE_ZABBIX_ADMIN],

        'update' => ['min_user_type' => USER_TYPE_ZABBIX_ADMIN],

        'delete' => ['min_user_type' => USER_TYPE_ZABBIX_ADMIN]

    ];

​

    protected $tableName = 'hosts';

    protected $tableAlias = 'h';

​

    protected function checkTemplates(array &$hosts, ?array &$db_hosts = null, ?string $path = null,

            ?array $template_indexes = null, ?string $path_clear = null, ?array $template_clear_indexes = null): void {

        $id_field_name = $this instanceof CTemplate ? 'templateid' : 'hostid';

​

        $ins_template_indexes = [];

        $clear_template_indexes = [];

​

        foreach ($hosts as $i1 => &$host) {

            if (array_key_exists('templates', $host) && array_key_exists('templates_clear', $host)) {

                foreach ($host['templates_clear'] as $i2_clear => $template_clear) {

                    foreach ($host['templates'] as $i2 => $template) {

                        if (bccomp($template['templateid'], $template_clear['templateid']) != 0) {

                            continue;

                        }

​

                        if ($path === null) {

                            $path_clear = '/'.($i1 + 1).'/templates_clear/'.($i2_clear + 1);

                            $path = '/'.($i1 + 1).'/templates/'.($i2 + 1);

                        }

                        else {

                            $path_clear .= '/'.($template_clear_indexes[$template['templateid']] + 1);

                            $path .= '/'.($template_indexes[$template['templateid']] + 1);

                        }

​

                        $error = _s('cannot be specified the value of parameter "%1$s"', $path.'/templateid');

​

                        self::exception(ZBX_API_ERROR_PARAMETERS,

                            _s('Invalid parameter "%1$s": %2$s.', $path_clear.'/templateid', $error)

                        );

                    }

                }

            }

​

            if (array_key_exists('templates', $host)) {

                $db_templates = $db_hosts !== null

                    ? array_column($db_hosts[$host[$id_field_name]]['templates'], null, 'templateid')

                    : [];

​

                foreach ($host['templates'] as $i2 => $template) {

                    if (array_key_exists($template['templateid'], $db_templates)) {

                        if ($db_templates[$template['templateid']]['link_type'] != TEMPLATE_LINK_MANUAL) {

                            unset($host['templates'][$i2]);

​

                            $db_hosttemplateid = $db_templates[$template['templateid']]['hosttemplateid'];

                            unset($db_hosts[$host[$id_field_name]]['templates'][$db_hosttemplateid]);

                        }

​

                        unset($db_templates[$template['templateid']]);

                    }

                    else {

                        $ins_template_indexes[$template['templateid']][$i1] = $i2;

                    }

                }

​

                if ($db_templates) {

                    $templateids_clear = array_key_exists('templates_clear', $host)

                        ? array_column($host['templates_clear'], 'templateid')

                        : [];

​

                    foreach ($db_templates as $db_template) {

                        if ($db_template['link_type'] != TEMPLATE_LINK_MANUAL

                                && !in_array($db_template['templateid'], $templateids_clear)) {

                            unset($db_hosts[$host[$id_field_name]]['templates'][$db_template['hosttemplateid']]);