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<?php
if ( ! defined( 'DUPLICATOR_VERSION' ) ) exit; // Exit if accessed directly
require_once (DUPLICATOR_PLUGIN_PATH . 'classes/utility.php');
/**
* Class used to get server statis
* @package Dupicator\classes
*/
class DUP_Server
{
/**
* Gets the system requirements which must pass to buld a package
* @return array An array of requirements
*/
public static function GetRequirements()
{
global $wpdb;
$dup_tests = array();
//PHP SUPPORT
$safe_ini = strtolower(ini_get('safe_mode'));
$dup_tests['PHP']['SAFE_MODE'] = $safe_ini != 'on' || $safe_ini != 'yes' || $safe_ini != 'true' || ini_get("safe_mode") != 1 ? 'Pass' : 'Fail';
$dup_tests['PHP']['VERSION'] = version_compare(phpversion(), '5.2.17') >= 0 ? 'Pass' : 'Fail';
$dup_tests['PHP']['ZIP'] = class_exists('ZipArchive') ? 'Pass' : 'Fail';
$dup_tests['PHP']['FUNC_1'] = function_exists("file_get_contents") ? 'Pass' : 'Fail';
$dup_tests['PHP']['FUNC_2'] = function_exists("file_put_contents") ? 'Pass' : 'Fail';
$dup_tests['PHP']['FUNC_3'] = function_exists("mb_strlen") ? 'Pass' : 'Fail';
$dup_tests['PHP']['ALL'] = ! in_array('Fail', $dup_tests['PHP']) ? 'Pass' : 'Fail';
//PERMISSIONS
$handle_test = @opendir(DUPLICATOR_WPROOTPATH);
$dup_tests['IO']['WPROOT'] = is_writeable(DUPLICATOR_WPROOTPATH) && $handle_test ? 'Pass' : 'Fail';
$dup_tests['IO']['SSDIR'] = is_writeable(DUPLICATOR_SSDIR_PATH) ? 'Pass' : 'Fail';
$dup_tests['IO']['SSTMP'] = is_writeable(DUPLICATOR_SSDIR_PATH_TMP) ? 'Pass' : 'Fail';
$dup_tests['IO']['ALL'] = ! in_array('Fail', $dup_tests['IO']) ? 'Pass' : 'Fail';
@closedir($handle_test);
//SERVER SUPPORT
$dup_tests['SRV']['MYSQLi'] = function_exists('mysqli_connect') ? 'Pass' : 'Fail';
$dup_tests['SRV']['MYSQL_VER'] = version_compare($wpdb->db_version(), '5.0', '>=') ? 'Pass' : 'Fail';
$dup_tests['SRV']['ALL'] = ! in_array('Fail', $dup_tests['SRV']) ? 'Pass' : 'Fail';
//RESERVED FILES
$dup_tests['RES']['INSTALL'] = !(self::InstallerFilesFound()) ? 'Pass' : 'Fail';
$dup_tests['Success'] = $dup_tests['PHP']['ALL'] == 'Pass' && $dup_tests['IO']['ALL'] == 'Pass' &&
$dup_tests['SRV']['ALL'] == 'Pass' && $dup_tests['RES']['INSTALL'] == 'Pass';
return $dup_tests;
}
/**
* Gets the system checks which are not required
* @return array An array of system checks
*/
public static function GetChecks()
{
$checks = array();
//WEB SERVER
$web_test1 = false;
foreach ($GLOBALS['DUPLICATOR_SERVER_LIST'] as $value) {
if (stristr($_SERVER['SERVER_SOFTWARE'], $value)) {
$web_test1 = true;
break;
}
}
$checks['SRV']['WEB']['model'] = $web_test1;
$checks['SRV']['WEB']['ALL'] = ($web_test1) ? 'Good' : 'Warn';
//PHP SETTINGS
$php_test1 = ini_get("open_basedir");
$php_test1 = empty($php_test1) ? true : false;
$php_test2 = ini_get("max_execution_time");
$php_test2 = ($php_test2 > DUPLICATOR_SCAN_TIMEOUT) || (strcmp($php_test2 , 'Off') == 0 || $php_test2 == 0) ? true : false;
$php_test3 = function_exists('mysqli_connect');
$checks['SRV']['PHP']['openbase'] = $php_test1;
$checks['SRV']['PHP']['maxtime'] = $php_test2;
$checks['SRV']['PHP']['mysqli'] = $php_test3;
$checks['SRV']['PHP']['ALL'] = ($php_test1 && $php_test2 && $php_test3) ? 'Good' : 'Warn';
//WORDPRESS SETTINGS
global $wp_version;
$wp_test1 = version_compare($wp_version, DUPLICATOR_SCAN_MIN_WP) >= 0 ? true : false;
//Core Files
$files = array();
$files['wp-config.php'] = file_exists(DUP_Util::SafePath(DUPLICATOR_WPROOTPATH . '/wp-config.php'));
$wp_test2 = $files['wp-config.php'];
//Cache
$Package = DUP_Package::GetActive();
$cache_path = DUP_Util::SafePath(WP_CONTENT_DIR) . '/cache';
$dirEmpty = DUP_Util::IsDirectoryEmpty($cache_path);
$dirSize = DUP_Util::GetDirectorySize($cache_path);
$cach_filtered = in_array($cache_path, explode(';', $Package->Archive->FilterDirs));
$wp_test3 = ($cach_filtered || $dirEmpty || $dirSize < DUPLICATOR_SCAN_CACHESIZE ) ? true : false;
$checks['SRV']['WP']['version'] = $wp_test1;
$checks['SRV']['WP']['core'] = $wp_test2;
$checks['SRV']['WP']['cache'] = $wp_test3;
$checks['SRV']['WP']['ALL'] = $wp_test1 && $wp_test2 && $wp_test3 ? 'Good' : 'Warn';
return $checks;
}
/**
* Check to see if duplicator installer files are present
* @return bool True if any reserved files are found
*/
public static function InstallerFilesFound()
{
$phpFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_PHP);
$sqlFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_SQL);
$logFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_LOG);
return ($phpFile || $sqlFile || $logFile);
}
/**
* Get the IP of a client machine
* @return string IP of the client machine
*/
public static function GetClientIP()
{
if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)){
return $_SERVER["HTTP_X_FORWARDED_FOR"];
}else if (array_key_exists('REMOTE_ADDR', $_SERVER)) {
return $_SERVER["REMOTE_ADDR"];
}else if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
return $_SERVER["HTTP_CLIENT_IP"];
}
return '';
}
/**
* Get PHP memory useage
* @return string Returns human readable memory useage.
*/
public static function GetPHPMemory($peak = false)
{
if ($peak) {
$result = 'Unable to read PHP peak memory usage';
if (function_exists('memory_get_peak_usage')) {
$result = DUP_Util::ByteSize(memory_get_peak_usage(true));
}
} else {
$result = 'Unable to read PHP memory usage';
if (function_exists('memory_get_usage')) {
$result = DUP_Util::ByteSize(memory_get_usage(true));
}
}
return $result;
}
}
?>
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