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Filename : class.constants.php
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<?php

/**
 * Class used to group all global constants
 *
 * Standard: PSR-2
 *
 * @link http://www.php-fig.org/psr/psr-2 Full Documentation
 *
 * @package SC\DUPX\Constants
 */

defined('ABSPATH') || defined('DUPXABSPATH') || exit;

use Duplicator\Installer\Core\Bootstrap;
use Duplicator\Installer\Utils\InstallerLinkManager;

class DUPX_Constants
{
    const CHUNK_EXTRACTION_TIMEOUT_TIME_ZIP        = 5;
    const CHUNK_EXTRACTION_TIMEOUT_TIME_DUP        = 5;
    const CHUNK_DBINSTALL_TIMEOUT_TIME             = 5;
    const CHUNK_MAX_TIMEOUT_TIME                   = 5;
    const DEFAULT_MAX_STRLEN_SERIALIZED_CHECK_IN_M = 4; // 0 no limit
    const DUP_SITE_URL                             = 'https://duplicator.com/';
    const FAQ_URL                                  = 'https://duplicator.com/knowledge-base/';
    const URL_SUBSCRIBE                            = 'https://duplicator.com/?lite_email_signup=1';
    const MIN_NEW_PASSWORD_LEN                     = 6;
    const BACKUP_RENAME_PREFIX                     = 'dp___bk_';
    const UPSELL_DEFAULT_DISCOUNT                  = 50; // Default discount for upsell


    /**
     * Init method used to auto initialize the global params
     * This function init all params before read from request
     *
     * @return null
     */
    public static function init()
    {
        //DATABASE SETUP: all time in seconds
        //max_allowed_packet: max value 1073741824 (1268MB) see my.ini
        $GLOBALS['DB_MAX_TIME']                           = 5000;
        $GLOBALS['DATABASE_PAGE_SIZE']                    = 3500;
        $GLOBALS['DB_MAX_PACKETS']                        = 268435456;
        $GLOBALS['DBCHARSET_DEFAULT']                     = 'utf8';
        $GLOBALS['DBCOLLATE_DEFAULT']                     = 'utf8_general_ci';
        $GLOBALS['DB_RENAME_PREFIX']                      = self::BACKUP_RENAME_PREFIX . date("dHi") . '_';
        $GLOBALS['DB_INSTALL_MULTI_THREADED_MAX_RETRIES'] = 3;

        if (!defined('MAX_SITES_TO_DEFAULT_ENABLE_CORSS_SEARCH')) {
            define('MAX_SITES_TO_DEFAULT_ENABLE_CORSS_SEARCH', 10);
        }

        //UPDATE TABLE SETTINGS
        $GLOBALS['REPLACE_LIST'] = array();
        $GLOBALS['DEBUG_JS']     = false;

        //GLOBALS
        $GLOBALS["NOTICES_FILE_PATH"]                      = DUPX_INIT . '/' . "dup-installer-notices__" . Bootstrap::getPackageHash() . ".json";
        $GLOBALS["CHUNK_DATA_FILE_PATH"]                   = DUPX_INIT . '/' . "dup-installer-chunk__" . Bootstrap::getPackageHash() . ".json";
        $GLOBALS['PHP_MEMORY_LIMIT']                       = ini_get('memory_limit') === false ? 'n/a' : ini_get('memory_limit');
        $GLOBALS['PHP_SUHOSIN_ON']                         = extension_loaded('suhosin') ? 'enabled' : 'disabled';
        $GLOBALS['DISPLAY_MAX_OBJECTS_FAILED_TO_SET_PERM'] = 5;

        // Displaying notice for slow zip chunk extraction
        $GLOBALS['ZIP_ARC_CHUNK_EXTRACT_DISP_NOTICE_AFTER']                     = 5 * 60 * 60; // 5 minutes
        $GLOBALS['ZIP_ARC_CHUNK_EXTRACT_DISP_NOTICE_MIN_EXPECTED_EXTRACT_TIME'] = 10 * 60 * 60; // 10 minutes
        $GLOBALS['ZIP_ARC_CHUNK_EXTRACT_DISP_NEXT_NOTICE_INTERVAL']             = 5 * 60 * 60; // 5 minutes

        $helpUrl         = InstallerLinkManager::getDocUrl('how-to-handle-various-install-scenarios', 'install', 'additional help');
        $additional_msg  = ' for additional details ';
        $additional_msg .= '<a href="' . $helpUrl . '" target="_blank">click here</a>.';

        $GLOBALS['ZIP_ARC_CHUNK_EXTRACT_NOTICES'] = array(
            'This server looks to be under load or throttled, the extraction process may take some time',
            'This host is currently experiencing very slow I/O. You can continue to wait or try a manual extraction.',
            'This host I/O is currently having issues. It is recommended to try a manual extraction.',
        );
        foreach ($GLOBALS['ZIP_ARC_CHUNK_EXTRACT_NOTICES'] as $key => $val) {
            $GLOBALS['ZIP_ARC_CHUNK_EXTRACT_NOTICES'][$key] = $val . $additional_msg;
        }

        $GLOBALS['FW_USECDN'] = false;
        $GLOBALS['NOW_TIME']  = @date("His");

        self::initErrDefines();
    }

    protected static function initErrDefines()
    {
        define('ERR_CONFIG_FOUND', 'A wp-config.php already exists in this location. ' .
            'This error prevents users from accidentally overwriting a WordPress site or trying to install on top of an existing one. ' .
            'When the archive file is extracted it can overwrite existing items if they have the same name. ' .
            'If you have already manually extracted the installer then choose #1 other-wise consider these options: ' .
            '<ol><li>Click &gt; Try Again &gt; Options &gt; choose "Manual Archive Extraction".</li>' .
            '<li>Delete the wp-config.php file and try again.</li>' .
            '<li>Empty the root directory except for the package and installer and try again.</li></ol>');
        define('ERR_ZIPNOTFOUND', 'The packaged zip file was not found or has become unreadable. ' .
            'Be sure the zip package is in the same directory as the installer file. ' .
            'If you are trying to reinstall a package you can copy the package from the source site, ' .
            ' back up to your root which is the same location as your installer file.');
        define('ERR_SHELLEXEC_ZIPOPEN', 'Failed to extract the archive using shell_exec unzip');
        define(
            'ERR_ZIPOPEN',
            'Failed to open the zip archive file. Please be sure the archive is completely downloaded before running the installer. ' .
            'Try to extract the archive manually to make sure the file is not corrupted.'
        );
        define(
            'ERR_ZIPEXTRACTION',
            'Errors extracting the zip file.  Portions or part of the zip archive did not extract correctly.' .
            ' Try to extract the archive manually with a client side program like unzip/win-zip/winrar to make sure the file is not corrupted.' .
            ' If the file extracts correctly then there is an invalid file or directory that PHP is unable to extract.' .
            'This can happen if you are moving from one operating system to another where certain naming ' .
            'conventions work on one environment and not another. <br/><br/> Workarounds: <br/> 1. ' .
            'Create a new package and be sure to exclude any directories that have name checks or files in them.' .
            'This warning will be displayed on the scan results under "Name Checks". <br/> 2. Manually extract the zip file with a client side program.' .
            'Then under options in step 1 of the installer select the "Manual Archive Extraction" option and perform the install.'
        );
        define(
            'ERR_ZIPMANUAL',
            'When choosing "Manual Archive Extraction", the contents of the package must already be extracted for the process to continue.' .
            'Please manually extract the package into the current directory before continuing in manual extraction mode.'
        );
        define(
            'ERR_MAKELOG',
            'PHP is having issues writing to the log file <b>' . DUPX_INIT . '\dup-installer-log__[HASH].txt .</b>' .
            'In order for the Duplicator to proceed to validate your owner/group and permission settings for PHP on this path. ' .
            'Try temporarily setting you permissions to 777 to see if the issue gets resolved. ' .
            'If you are on a shared hosting environment please contact your hosting company and tell ' .
            'them you are getting errors writing files to the path above when using PHP.'
        );
        define(
            'ERR_ZIPARCHIVE',
            'In order to extract the archive.zip file, the PHP ZipArchive module must be installed.' .
            'Please read the FAQ for more details.  You can still install this package but you will need to select the ' .
            '"Manual Archive Extraction" options found under Options. ' .
            'Please read the online user guide for details in performing a manual archive extraction.'
        );
        define(
            'ERR_MYSQLI_SUPPORT',
            'In order to complete an install the mysqli extension for PHP is required.' .
            'If you are on a hosted server please contact your host and request that mysqli be enabled.' .
            ' For more information visit: http://php.net/manual/en/mysqli.installation.php'
        );
        define(
            'ERR_DBCONNECT',
            'DATABASE CONNECTION FAILED!<br/>'
        );
        define(
            'ERR_DBCONNECT_CREATE',
            'DATABASE CREATION FAILURE!<br/> Unable to create database "%s". ' .
            'Check to make sure the user has "Create" privileges. ' .
            'Some hosts will restrict the creation of a database only through the cpanel. ' .
            'Try creating the database manually to proceed with the installation. ' .
            'If the database already exists select the action "Connect and Remove All Data" which will remove all existing tables.'
        );
        define('ERR_DROP_TABLE_TRYCLEAN', 'TABLE CLEAN FAILURE'
            . 'Unable to remove TABLE "%s" from database "%s".<br/>'
            . 'Please remove all tables from this database and try the installation again. '
            . 'If no tables show in the database, then Drop the database and re-create it.<br/>'
            . 'ERROR MESSAGE: %s');
        define('ERR_DROP_PROCEDURE_TRYCLEAN', 'PROCEDURE CLEAN FAILURE. '
            . 'Please remove all procedures from this database and try the installation again. '
            . 'If no procedures show in the database, then Drop the database and re-create it.<br/>'
            . 'ERROR MESSAGE: %s <br/><br/>');
        define('ERR_DROP_FUNCTION_TRYCLEAN', 'FUNCTION CLEAN FAILURE. '
            . 'Please remove all functions from this database and try the installation again. '
            . 'If no functions show in the database, then Drop the database and re-create it.<br/>'
            . 'ERROR MESSAGE: %s <br/><br/>');
        define('ERR_DROP_VIEW_TRYCLEAN', 'VIEW CLEAN FAILURE. '
            . 'Please remove all views from this database and try the installation again. '
            . 'If no views show in the database, then Drop the database and re-create it.<br/>'
            . 'ERROR MESSAGE: %s <br/><br/>');
        define(
            'ERR_DBCREATE',
            'The database "%s" does not exist.<br/>  Change the action to create in order ' .
            'to "Create New Database" to create the database.  ' .
            'Some hosting providers do not allow database creation except through their control panels. ' .
            ' In this case, you will need to log in to your hosting providers control panel and create the database manually.  ' .
            'Please contact your hosting provider for further details on how to create the database.'
        );
        define(
            'ERR_DBEMPTY',
            'The database "%s" already exists and has "%s" tables. ' .
            ' When using the "Create New Database" action the database should not exist. ' .
            ' Select the action "Connect and Remove All Data" or "Connect and Backup Any Existing Data" ' .
            'to remove or backup the existing tables or choose a database name that does not already exist. ' .
            'Some hosting providers do not allow table removal or renaming from scripts. ' .
            'In this case, you will need to log in to your hosting providers\' control panel and remove or rename the tables manually. ' .
            ' Please contact your hosting provider for further details.  Always backup all your data before proceeding!'
        );
        define('ERR_CPNL_API', 'The cPanel API had the following issues when trying to communicate on this host: <br/> %s');
    }
}