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<?php
defined("ABSPATH") or die("");
use Duplicator\Libs\Snap\SnapIO;
use Duplicator\Libs\Snap\SnapUtil;
require_once(DUPLICATOR____PATH . '/classes/entities/class.global.entity.php');
require_once(DUPLICATOR____PATH . '/classes/class.io.php');
require_once(DUPLICATOR____PATH . '/classes/entities/class.storage.entity.php');
/**
* Class used to get server info
* @package Duplicator\classes
*/
class DUP_PRO_Server
{
//IDE HELPERS
/* @var $package DUP_PRO_Package */
/* @var $upload_info DUP_PRO_Package_Upload_Info */
public static function isCurlEnabled()
{
return function_exists('curl_init');
}
public static function isURLFopenEnabled()
{
$val = ini_get('allow_url_fopen');
return ($val == true);
}
public static function mysqlEscapeIsOk()
{
$escape_test_string = chr(0) . chr(26) . "\r\n'\"\\";
$escape_expected_result = "\"\\0\Z\\r\\n\\'\\\"\\\\\"";
$escape_actual_result = DUP_PRO_DB::escValueToQueryString($escape_test_string);
$result = $escape_expected_result === $escape_actual_result;
if (!$result) {
$msg = "mysqli_real_escape_string test results\n" .
"Expected escape result: " . $escape_expected_result . "\n" .
"Actual escape result: " . $escape_actual_result;
DUP_PRO_Log::trace($msg);
}
return $result;
}
/**
* Gets string representation of outbound IP address
* @return bool|string Outbound IP Address or false on error
*/
public static function getOutboundIP()
{
$context = stream_context_create(array('http'=>
array(
'timeout' => 15,
)
));
$outboundIP = @file_get_contents('https://checkip.amazonaws.com', false, $context);
if($outboundIP !== false) {
// Make sure it's a properly formatted IP address
if(preg_match('/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/', $outboundIP) !== 1) {
$outboundIP = false;
}
}
return $outboundIP;
}
/**
* Gets the system requirements which must pass to build a package
* @return array An array of requirements
*/
public static function getRequirments()
{
$global = DUP_PRO_Global_Entity::get_instance();
$dup_tests = array();
//PHP SUPPORT
$safe_ini = strtolower(ini_get('safe_mode'));
$dup_tests['PHP']['SAFE_MODE'] = $safe_ini != 'on' || $safe_ini != 'yes' || $safe_ini != 'true' || ini_get("safe_mode") != 1 ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['SAFE_MODE'], 'SAFE_MODE is on.');
$phpversion = phpversion();
$dup_tests['PHP']['VERSION'] = version_compare($phpversion, '5.2.9') >= 0 ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['SAFE_MODE'], 'PHP version(' . $phpversion . ') is lower than 5.2.9');
if ($global->getBuildMode() == DUP_PRO_Archive_Build_Mode::ZipArchive) {
$dup_tests['PHP']['ZIP'] = class_exists('ZipArchive') ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['ZIP'], 'ZipArchive class doesn\'t exist.');
}
$dup_tests['PHP']['FUNC_1'] = function_exists("file_get_contents") ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['FUNC_1'], 'file_get_contents function doesn\'t exist.');
$dup_tests['PHP']['FUNC_2'] = function_exists("file_put_contents") ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['FUNC_2'], 'file_put_contents function doesn\'t exist.');
$dup_tests['PHP']['FUNC_3'] = function_exists("mb_strlen") ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['PHP']['FUNC_3'], 'mb_strlen function doesn\'t exist.');
$dup_tests['PHP']['ALL'] = !in_array('Fail', $dup_tests['PHP']) ? 'Pass' : 'Fail';
//PERMISSIONS
$home_path = DUP_PRO_Archive::getArchiveListPaths('home');
if (strlen($home_path) === 0) {
$home_path = DIRECTORY_SEPARATOR;
}
if (($handle_test = @opendir($home_path)) === false) {
$dup_tests['IO']['WPROOT'] = 'Fail';
} else {
@closedir($handle_test);
$dup_tests['IO']['WPROOT'] = 'Pass';
}
self::logRequirementFail($dup_tests['IO']['WPROOT'], $home_path . ' (home path) can\'t be opened.');
$dup_tests['IO']['SSDIR'] = is_writeable(DUPLICATOR_PRO_SSDIR_PATH) ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['IO']['SSDIR'], DUPLICATOR_PRO_SSDIR_PATH . ' (DUPLICATOR_PRO_SSDIR_PATH) can\'t be writeable.');
$dup_tests['IO']['SSTMP'] = is_writeable(DUPLICATOR_PRO_SSDIR_PATH_TMP) ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['IO']['SSTMP'], DUPLICATOR_PRO_SSDIR_PATH_TMP . ' (DUPLICATOR_PRO_SSDIR_PATH_TMP) can\'t be writeable.');
$dup_tests['IO']['ALL'] = !in_array('Fail', $dup_tests['IO']) ? 'Pass' : 'Fail';
//SERVER SUPPORT
$db_version = DUP_PRO_DB::getVersion();
$dup_tests['SRV']['MYSQL_VER'] = version_compare($db_version, '5.0', '>=') ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['SRV']['MYSQL_VER'], 'MySQL version ' . $db_version . ' is lower than 5.0.');
//mysqli_real_escape_string test
$dup_tests['SRV']['MYSQL_ESC'] = self::mysqlEscapeIsOk() ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['SRV']['MYSQL_ESC'], "The function mysqli_real_escape_string is not escaping strings as expected.");
$dup_tests['SRV']['ALL'] = !in_array('Fail', $dup_tests['SRV']) ? 'Pass' : 'Fail';
//INSTALLATION FILES
$dup_tests['RES']['INSTALL'] = !(self::hasInstallFiles()) ? 'Pass' : 'Fail';
self::logRequirementFail($dup_tests['RES']['INSTALL'], 'Installer file(s) are exist on the server.');
$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;
}
/**
* Logs requirement fail status informative message
*
* @param string $testStatus Either it is Pass or Fail
* @param string $errorMessage Error message which should be logged
* @return void
*/
private static function logRequirementFail($testStatus, $errorMessage)
{
if (empty($testStatus)) {
throw new Exception('Exception: Empty $testStatus [File: ' . __FILE__ . ', Ln: ' . __LINE__);
}
if (empty($errorMessage)) {
throw new Exception('Exception: Empty $errorMessage [File: ' . __FILE__ . ', Ln: ' . __LINE__);
}
$validTestStatuses = array('Pass', 'Fail');
if (!in_array($testStatus, $validTestStatuses)) {
throw new Exception('Exception: Invalid $testStatus value: ' . $testStatus . ' [File: ' . __FILE__ . ', Ln: ' . __LINE__);
}
if ('Fail' == $testStatus) {
DUP_PRO_LOG::trace($errorMessage);
}
}
/**
* Gets the system checks which are not required
*
* @param DUP_PRO_Package $package
* @return array An array of system checks
* @throws Exception
*/
public static function getChecks($package)
{
$global = DUP_PRO_Global_Entity::get_instance();
$checks = array();
//-----------------------------
//PHP SETTINGS
$php_test0 = false;
foreach ($GLOBALS['DUPLICATOR_PRO_SERVER_LIST'] as $value) {
if (stristr($_SERVER['SERVER_SOFTWARE'], $value)) {
$php_test0 = true;
break;
}
}
self::logCheckFalse($php_test0, 'Any out of server software (' . implode(', ', $GLOBALS['DUPLICATOR_PRO_SERVER_LIST']) . ') doesn\'t exist.');
$php_test1 = ini_get("open_basedir");
$php_test1 = empty($php_test1) ? true : false;
self::logCheckFalse($php_test1, 'open_basedir is enabled.');
$max_execution_time = ini_get("max_execution_time");
$php_test2 = ($max_execution_time > DUPLICATOR_PRO_SCAN_TIMEOUT) || (strcmp($max_execution_time, 'Off') == 0 || $max_execution_time == 0) ? true : false;
if (strcmp($max_execution_time, 'Off') == 0) {
$max_execution_time_error_message = 'max_execution_time should not be' . $max_execution_time;
} else {
$max_execution_time_error_message = 'max_execution_time (' . $max_execution_time . ') should not be lower than the DUPLICATOR_PRO_SCAN_TIMEOUT' . DUPLICATOR_PRO_SCAN_TIMEOUT;
}
self::logCheckFalse($php_test2, $max_execution_time_error_message);
$php_test3 = true;
if ($package->contains_storage_type(DUP_PRO_Storage_Types::Dropbox)) {
$php_test3 = function_exists('openssl_csr_new');
self::logCheckFalse($php_test3, 'openssl_csr_new function doesn\'t exist and package storage have DropBox storage.');
}
$php_test4 = function_exists('mysqli_connect');
self::logCheckFalse($php_test4, 'mysqli_connect function doesn\'t exist.');
$php_test5 = self::isURLFopenEnabled();
self::logCheckFalse($php_test5, 'URL Fopen isn\'t enabled.');
$php_test6 = self::isCurlEnabled();
self::logCheckFalse($php_test6, 'curl_init function doesn\'t exist.');
$php_test7 = strstr(SnapUtil::getArchitectureString(), '64') ? true : false ;
self::logCheckFalse($php_test7, 'This servers PHP architecture is NOT 64-bit. Packages over 2GB are not possible.');
$php_test8 = self::hasEnoughMemory();
self::logCheckFalse($php_test6, 'memory_limit is less than DUPLICATOR_PRO_MIN_MEMORY_LIMIT: ' . DUPLICATOR_PRO_MIN_MEMORY_LIMIT);
$checks['SRV']['Brand'] = DUP_PRO_Package::is_active_brand_prepared();
$checks['SRV']['HOST'] = DUP_PRO_Custom_Host_Manager::getInstance()->getActiveHostings();
$checks['SRV']['PHP']['websrv'] = $php_test0;
$checks['SRV']['PHP']['openbase'] = $php_test1;
$checks['SRV']['PHP']['maxtime'] = $php_test2;
$checks['SRV']['PHP']['openssl'] = $php_test3;
$checks['SRV']['PHP']['mysqli'] = $php_test4;
$checks['SRV']['PHP']['allowurlfopen'] = $php_test5;
$checks['SRV']['PHP']['curlavailable'] = $php_test6;
$checks['SRV']['PHP']['arch64bit'] = $php_test7;
$checks['SRV']['PHP']['minMemory'] = $php_test8;
$checks['SRV']['PHP']['version'] = true; // now the plugin is activated only if the minimum version is valid, so this check is always true
if ($package->contains_storage_type(DUP_PRO_Storage_Types::Dropbox)) {
$dropbox_transfer_test = true;
if ($global->dropbox_transfer_mode == DUP_PRO_Dropbox_Transfer_Mode::cURL) {
$dropbox_transfer_test = $php_test6;
self::logCheckFalse($dropbox_transfer_test, 'DropBox transfer mode is CURL and curl_init function doesn\'t exist.');
} else if ($global->dropbox_transfer_mode == DUP_PRO_Dropbox_Transfer_Mode::FOpen_URL) {
$dropbox_transfer_test = $php_test5;
self::logCheckFalse($dropbox_transfer_test, 'DropBox transfer mode is Fopen URL and Fopen URL is not enabled.');
}
$checks['SRV']['PHP']['ALL'] = ($php_test0 && $php_test1 && $php_test2 && $php_test3 && $php_test4 && $php_test7 &&
$php_test8 && $dropbox_transfer_test && $checks['SRV']['Brand']['LogoImageExists']) ? 'Good' : 'Warn';
} else {
$checks['SRV']['PHP']['ALL'] = ($php_test0 && $php_test1 && $php_test2 && $php_test4 && $php_test7 &&
$php_test8 && $checks['SRV']['Brand']['LogoImageExists']) ? 'Good' : 'Warn';
}
//-----------------------------
//WORDPRESS SETTINGS
global $wp_version;
$wp_test1 = version_compare($wp_version, DUPLICATOR_PRO_SCAN_MIN_WP) >= 0 ? true : false;
self::logCheckFalse($wp_test1, 'WP version (' . $wp_version . ') is lower than the DUPLICATOR_PRO_SCAN_MIN_WP (' . DUPLICATOR_PRO_SCAN_MIN_WP . ').');
//Core dir and files logic
$wp_test2 = !$package->Archive->hasWpCoreFolderFiltered();
//$Package = ($package == null) ? DUP_PRO_Package::get_temporary_package() : $package;
$Package = $package; // $package can not be null!
/*
$cache_path = SnapIO::safePath(WP_CONTENT_DIR) . '/cache';
$dirEmpty = DUP_PRO_IO::isDirEmpty($cache_path);
$dirSize = DUP_PRO_IO::getDirSize($cache_path);
$cach_filtered = in_array($cache_path, explode(';', $Package->Archive->FilterDirs));
$wp_test3 = ($cach_filtered || $dirEmpty || $dirSize < DUPLICATOR_PRO_SCAN_CACHESIZE ) ? true : false;
*/
$wp_test4 = is_multisite();
$wp_test5 = \Duplicator\Addons\ProBase\License\License::isBusiness();
$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']['ismuplus'] = $wp_test5;
if ($wp_test4) {
// $checks['SRV']['WP']['ALL'] = ($wp_test1 && $wp_test2 && $wp_test3 && $wp_test5) ? 'Good' : 'Warn';
$checks['SRV']['WP']['ALL'] = ($wp_test1 && $wp_test2 && $wp_test5) ? 'Good' : 'Warn';
self::logCheckFalse($wp_test5, 'WP is multi-site setup and licence type is not Business Gold.');
} else {
// $checks['SRV']['WP']['ALL'] = ($wp_test1 && $wp_test2 && $wp_test3) ? 'Good' : 'Warn';
$checks['SRV']['WP']['ALL'] = ($wp_test1 && $wp_test2) ? 'Good' : 'Warn';
}
return $checks;
}
/**
* Logs checks false informative message
*
* @param boolean $check Either it is true or false
* @param string $errorMessage Error message which should be logged when check is false
* @return void
*/
private static function logCheckFalse($check, $errorMessage)
{
if (!is_bool($check)) {
throw new Exception('Exception: Not boolean $check [File: ' . __FILE__ . ', Ln: ' . __LINE__);
}
if (empty($errorMessage)) {
throw new Exception('Exception: Empty $errorMessage [File: ' . __FILE__ . ', Ln: ' . __LINE__);
}
if (false === $check) {
DUP_PRO_LOG::trace($errorMessage);
}
}
/**
* Return true if memory_limit is >= 256 MB, otherwise false
*
* @return bool
*/
public static function hasEnoughMemory()
{
//In case we can't get the ini value, assume it's ok
if (($memory_limit = @ini_get('memory_limit')) === false || empty($memory_limit)) {
return true;
}
if (SnapUtil::convertToBytes($memory_limit) >= SnapUtil::convertToBytes(DUPLICATOR_PRO_MIN_MEMORY_LIMIT)) {
return true;
}
return false;
}
/**
* Check to see if duplicator installation files are present
* @return bool True if any installation files are found
*/
public static function hasInstallFiles()
{
$fileToRemove = DUP_PRO_Migration::checkInstallerFilesList();
return count($fileToRemove) > 0;
}
/**
* Returns an array with stats about the orphaned files
* @return array The full path of the orphaned file
*/
public static function getOrphanedPackageFiles()
{
/* @var $global DUP_PRO_Global_Entity */
$global = DUP_PRO_Global_Entity::get_instance();
$filepaths = array();
$orphans = array();
$endPackagesFile = array(
'archive.daf',
'archive.zip',
'database.sql',
'dirs.txt',
'files.txt',
'log.txt',
'scan.json'
);
$endPackagesFile[] = $global->installer_base_name;
for ($i = 0; $i < count($endPackagesFile); $i++) {
$endPackagesFile[$i] = preg_quote($endPackagesFile[$i], '/');
}
$regexMatch = '/(' . implode('|', $endPackagesFile) . ')$/';
$numPackages = DUP_PRO_Package::count_by_status();
$numPerPage = 100;
$pages = floor($numPackages / $numPerPage) + 1;
$skipStart = array(
'dup_pro'
);
for ($page = 0; $page < $pages; $page++) {
$offset = $page * $numPerPage;
$pagePackages = DUP_PRO_Package::get_row_by_status(array(), $numPerPage, $offset);
foreach ($pagePackages as $cPack) {
$skipStart[] = $cPack->name . '_' . $cPack->hash;
}
}
$pagePackages = null;
$fileTimeSkipInSec = (max(DUP_PRO_Constants::DEFAULT_MAX_PACKAGE_RUNTIME_IN_MIN, $global->max_package_runtime_in_min) + DUP_PRO_Constants::ORPAHN_CLEANUP_DELAY_MAX_PACKAGE_RUNTIME) * 60;
if (file_exists(DUPLICATOR_PRO_SSDIR_PATH) && ($handle = opendir(DUPLICATOR_PRO_SSDIR_PATH)) !== false) {
while (false !== ($fileName = readdir($handle))) {
if ($fileName == '.' && $fileName == '..') {
continue;
}
$fileFullPath = DUPLICATOR_PRO_SSDIR_PATH . '/' . $fileName;
if (is_dir($fileFullPath)) {
continue;
}
if (time() - filemtime($fileFullPath) < $fileTimeSkipInSec) {
// file younger than 2 hours skip for security
continue;
}
if (!preg_match($regexMatch, $fileName)) {
continue;
}
foreach ($skipStart as $skip) {
if (strpos($fileName, $skip) === 0) {
continue 2;
}
}
$orphans[] = $fileFullPath;
}
closedir($handle);
}
return $orphans;
}
/**
* Returns an array with stats about the orphaned files
* @return array The total count and file size of orphaned files
*/
public static function getOrphanedPackageInfo()
{
$files = self::getOrphanedPackageFiles();
$info = array();
$info['size'] = 0;
$info['count'] = 0;
if (count($files)) {
foreach ($files as $path) {
$get_size = @filesize($path);
if ($get_size > 0) {
$info['size'] += $get_size;
$info['count']++;
}
}
}
return $info;
}
/**
* 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_PRO_U::byteSize(memory_get_peak_usage(true));
}
} else {
$result = 'Unable to read PHP memory usage';
if (function_exists('memory_get_usage')) {
$result = DUP_PRO_U::byteSize(memory_get_usage(true));
}
}
return $result;
}
/**
* Gets the name of the owner of the current PHP script
*
* @return string The name of the owner of the current PHP script
*/
public static function getCurrentUser()
{
$unreadable = 'Undetectable';
if (function_exists('get_current_user') && is_callable('get_current_user')) {
$user = get_current_user();
return strlen($user) ? $user : $unreadable;
}
return $unreadable;
}
}
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