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/>.

**/

​

​

/**

 * Setup wizard form.

 */

class CSetupWizard extends CForm {

​

    public const STAGE_WELCOME          = 1;

    public const STAGE_REQUIREMENTS     = 2;

    public const STAGE_DB_CONNECTION    = 3;

    public const STAGE_SETTINGS         = 4;

    public const STAGE_SUMMARY          = 5;

    public const STAGE_INSTALL          = 6;

​

    private $frontend_setup;

    private $stages;

​

    private $disable_cancel_button = false;

    private $disable_back_button = false;

    private $show_retry_button = false;

​

    private $step_failed = false;

​

    public function __construct() {

        parent::__construct();

​

        $this->setId('setup-form');

​

        $this->frontend_setup = new CFrontendSetup();

​

        $this->stages = [

            self::STAGE_WELCOME => [

                'title' => _('Welcome'),

                'fn' => 'stageWelcome'

            ],

            self::STAGE_REQUIREMENTS => [

                'title' => _('Check of pre-requisites'),

                'fn' => 'stageRequirements'

            ],

            self::STAGE_DB_CONNECTION => [

                'title' => _('Configure DB connection'),

                'fn' => 'stageDbConnection'

            ],

            self::STAGE_SETTINGS => [

                'title' => _('Settings'),

                'fn' => 'stageSettings'

            ],

            self::STAGE_SUMMARY => [

                'title' => _('Pre-installation summary'),

                'fn' => 'stageSummary'

            ],

            self::STAGE_INSTALL => [

                'title' => _('Install'),

                'fn' => 'stageInstall'

            ]

        ];

​

        $this->doAction();

    }

​

    public function getStep(): int {

        $step = $this->getConfig('step');

​

        return array_key_exists($step, $this->stages) ? $step : self::STAGE_WELCOME;

    }

​

    private function doAction(): void {

        /*

         * Having non-super-admin authenticated at this step means:

         *   - Either the config file has been manually created by the user.

         *   - Or dealing with a spoofed session cookie.

         *

         * Since it is not possible to distinguish between the two, skip data validation and prevent stage switching.

         * Any of either cases is only possible with self::STAGE_INSTALL stage.

         */

        if (CWebUser::$data && CWebUser::getType() < USER_TYPE_SUPER_ADMIN) {

            return;