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| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
require_once (DUPLICATOR_PLUGIN_PATH . 'classes/utilities/class.u.php');
/**
* Used to get various pieces of information about the server environment
*
* Standard: PSR-2
* @link http://www.php-fig.org/psr/psr-2
*
* @package Duplicator
* @subpackage classes/utilities
* @copyright (c) 2017, Snapcreek LLC
*
*/
// Exit if accessed directly
if (! defined('DUPLICATOR_VERSION')) exit;
class DUP_Server {
const LockFileName = 'lockfile.txt';
// Possibly use in the future if we want to prevent double building
public static function isEngineLocked() {
if (self::setEngineLock(true)) {
self::setEngineLock(false);
$locked = false;
} else {
$locked = true;
}
}
// Possibly use in the future if we want to prevent double building
public static function setEngineLock($shouldLock) {
$success = false;
$locking_file = @fopen(self::LockFileName, 'c+');
if ($locking_file != false) {
if ($shouldLock) {
$success = @flock($locking_file, LOCK_EX | LOCK_NB);
} else {
$success = @flock($locking_file, LOCK_UN);
}
@fclose($locking_file);
}
return $success;
}
/**
* Gets the system requirements which must pass to build 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';
$dup_tests['PHP']['VERSION'] = DUP_Util::$on_php_529_plus ? 'Pass' : 'Fail';
if (DUP_Settings::Get('archive_build_mode') == DUP_Archive_Build_Mode::ZipArchive) {
$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';
//REQUIRED PATHS
$handle_test = @opendir(DUPLICATOR_WPROOTPATH);
$dup_tests['IO']['WPROOT'] = is_writeable(DUPLICATOR_WPROOTPATH) && $handle_test ? 'Pass' : 'Warn';
@closedir($handle_test);
$dup_tests['IO']['SSDIR'] = (file_exists(DUPLICATOR_SSDIR_PATH) && 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';
//SERVER SUPPORT
$dup_tests['SRV']['MYSQLi'] = function_exists('mysqli_connect') ? 'Pass' : 'Fail';
$dup_tests['SRV']['MYSQL_VER'] = version_compare(DUP_DB::getVersion(), '5.0', '>=') ? 'Pass' : 'Fail';
$dup_tests['SRV']['ALL'] = !in_array('Fail', $dup_tests['SRV']) ? 'Pass' : 'Fail';
//RESERVED FILES
$dup_tests['RES']['INSTALL'] = !(self::hasInstallerFiles()) ? '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';
$dup_tests['Warning'] = $dup_tests['IO']['WPROOT'] == 'Warn';
return $dup_tests;
}
/**
* Gets the system checks which are not required
*
* @return array An array of system checks
*/
public static function getChecks() {
$checks = array();
//PHP/SYSTEM SETTINGS
//Web Server
$php_test0 = false;
foreach ($GLOBALS['DUPLICATOR_SERVER_LIST'] as $value) {
if (stristr($_SERVER['SERVER_SOFTWARE'], $value)) {
$php_test0 = true;
break;
}
}
$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');
$php_test4 = DUP_Util::$on_php_53_plus ? true : false;
$checks['SRV']['PHP']['websrv'] = $php_test0;
$checks['SRV']['PHP']['openbase'] = $php_test1;
$checks['SRV']['PHP']['maxtime'] = $php_test2;
$checks['SRV']['PHP']['mysqli'] = $php_test3;
$checks['SRV']['PHP']['version'] = $php_test4;
$checks['SRV']['PHP']['ALL'] = ($php_test0 && $php_test1 && $php_test2 && $php_test3 && $php_test4) ? 'Good' : 'Warn';
//WORDPRESS SETTINGS
global $wp_version;
$wp_test1 = version_compare($wp_version, DUPLICATOR_SCAN_MIN_WP) >= 0 ? true : false;
//Core Files
$files = array();
$files['wp-config.php'] = file_exists(DUP_Util::safePath(DUPLICATOR_WPROOTPATH . '/wp-config.php'));
/** searching wp-config in working word press is not worthy
* if this script is executing that means wp-config.php exists :)
* we need to know the core folders and files added by the user at this point
* retaining old logic as else for the case if its used some where else
*/
//Core dir and files logic
if (isset($_POST['file_notice']) && isset($_POST['dir_notice'])) {
//means if there are core directories excluded or core files excluded return false
if ((bool) $_POST['file_notice'] || (bool) $_POST['dir_notice'])
$wp_test2 = false;
else
$wp_test2 = true;
}else {
$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;
*/
$wp_test4 = is_multisite();
$checks['SRV']['WP']['version'] = $wp_test1;
$checks['SRV']['WP']['core'] = $wp_test2;
// $checks['SRV']['WP']['cache'] = $wp_test3;
$checks['SRV']['WP']['ismu'] = $wp_test4;
// $checks['SRV']['WP']['ALL'] = $wp_test1 && $wp_test2 && $wp_test3 && !$wp_test4 ? 'Good' : 'Warn';
$checks['SRV']['WP']['ALL'] = $wp_test1 && $wp_test2 && !$wp_test4 ? '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 hasInstallerFiles() {
$files = self::getInstallerFiles();
foreach ($files as $file => $path) {
if (false !== strpos($path, '*')) {
$glob_files = glob($path);
if (!empty($glob_files)) {
return true;
}
} elseif (file_exists($path))
return true;
}
return false;
}
/**
* Gets a list of all the installer files by name and full path
*
* @remarks
* FILES: installer.php, installer-backup.php, dup-installer-bootlog__[HASH].txt
* DIRS: dup-installer
* DEV FILES: wp-config.orig
* Last set is for lazy developer cleanup files that a developer may have
* accidently left around lets be proactive for the user just in case.
*
* @return array [file_name, file_path]
*/
public static function getInstallerFiles() {
// alphanumeric 7 time, then -(dash), then 8 digits
$retArr = array(
basename(DUPLICATOR_INSTALLER_DIRECTORY) . ' ' . esc_html__('(directory)', 'duplicator') => DUPLICATOR_INSTALLER_DIRECTORY,
DUPLICATOR_INSTALL_PHP => DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_PHP,
DUPLICATOR_INSTALL_BAK => DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_BAK,
'dup-installer-bootlog__[HASH].txt' => DUPLICATOR_WPROOTPATH .'dup-installer-bootlog__'.DUPLICATOR_INSTALLER_HASH_PATTERN.'.txt',
);
if (DUPLICATOR_INSTALL_SITE_OVERWRITE_ON) {
$retArr['dup-wp-config-arc__[HASH].txt'] = DUPLICATOR_WPROOTPATH . 'dup-wp-config-arc__'.DUPLICATOR_INSTALLER_HASH_PATTERN.'.txt';
}
return $retArr;
}
/**
* 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 $_SERVER["HTTP_CLIENT_IP"];
}
return '';
}
/**
* Get PHP memory usage
*
* @return string Returns human readable memory usage.
*/
public static function getPHPMemory($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;
}
}