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✏️ Editing: class-wpvivid-zipclass.php Writable

<?php

if (!defined('WPVIVID_PLUGIN_DIR')){
    die;
}

require_once WPVIVID_PLUGIN_DIR . '/includes/class-wpvivid-compress-default.php';

$wpvivid_extract_option = array();

class WPvivid_ZipClass extends Wpvivid_Compress_Default
{
	public $last_error = '';
	public $path_filter=array();

public function __construct()
    {
		if (!class_exists('PclZip'))
		    include_once(ABSPATH.'/wp-admin/includes/class-pclzip.php');
		if (!class_exists('PclZip'))
		{
			$this->last_error = array('result'=>WPVIVID_FAILED,'error'=>"Class PclZip is not detected. Please update or reinstall your WordPress.");
		}
    }

public function get_packages($data,$write_child_files_json=false)
    {
        if(!function_exists('get_home_path'))
            require_once(ABSPATH . 'wp-admin/includes/file.php');
        $files = $this -> filesplit($data['compress']['max_file_size'],$data['files']);

if(isset($data['json_info']))
                {
                    $package['json']=$data['json_info'];
                }
                /*
                $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
                $package['json']['root'] = substr($data['root_path'], $remove_path_size);
                */
                if($write_child_files_json)
                {
                    foreach ($files[$i] as $file)
                    {
                        $ret_file=$this->get_json_data($file);
                        if($ret_file['result']==WPVIVID_SUCCESS)
                        {
                            $json=$ret_file['json_data'];
                            $json = json_decode($json, 1);
                            $package['json']['child_file'][basename($file)]=$json;
                        }
                    }
                }
                if(isset($data['root_flag']))
                    $package['json']['root_flag'] = $data['root_flag'];
                if(isset($data['root_path']))
                    $package['json']['root_path'] = $data['root_path'];
                $package['json']['file']=basename($path);
                $package['path'] = $path;
                $package['files'] = $files[$i];
                $packages[] = $package;
            }
        }else {
            $package = array();
            $path = $data['path'].$data['prefix'].'.zip';

if(isset($data['json_info']))
            {
                $package['json']=$data['json_info'];
            }

if($write_child_files_json)
            {
                foreach ($files[0] as $file)
                {
                    $ret_file=$this->get_json_data($file);
                    if($ret_file['result']==WPVIVID_SUCCESS)
                    {
                        $json=$ret_file['json_data'];
                        $json = json_decode($json, 1);
                        $package['json']['child_file'][basename($file)]=$json;
                    }
                }
            }
            /*
            $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
            $package['json']['root'] = substr($data['root_path'], $remove_path_size);
            */
            if(isset($data['root_flag']))
                $package['json']['root_flag'] = $data['root_flag'];
            if(isset($data['root_path']))
                $package['json']['root_path'] = $data['root_path'];
            $package['json']['file']=basename($path);
            $package['path'] = $path;
            $package['files'] = $files[0];
            $packages[] = $package;
        }

$ret['packages']=$packages;
        $ret['temp_dir']=$temp_dir;
        return $ret;
    }

public function get_plugin_packages($data)
    {
        if(!function_exists('get_home_path'))
            require_once(ABSPATH . 'wp-admin/includes/file.php');

$max_size= $data['compress']['max_file_size'];

$max_size = str_replace('M', '', $max_size);
        if($max_size==0)
            $max_size=200;
        $size = intval($max_size) * 1024 * 1024;

$files = $this -> filesplit_plugin($size,$data['files'],false);

$temp_dir = $data['path'].'temp-'.$data['prefix'].DIRECTORY_SEPARATOR;
        if(!file_exists($temp_dir))
            @mkdir($temp_dir);
        $packages = array();

if(sizeof($files) > 1)
        {
            for($i =0;$i <sizeof($files);$i ++)
            {
                $package = array();
                $path = $data['path'].$data['prefix'].'.part'.sprintf('%03d',($i +1)).'.zip';
                if(isset($data['json_info']))
                {
                    $package['json']=$data['json_info'];
                }
                /*
                $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
                $package['json']['root'] = substr($data['root_path'], $remove_path_size);
                */
                if(isset($data['root_flag']))
                    $package['json']['root_flag'] = $data['root_flag'];
                if(isset($data['root_path']))
                    $package['json']['root_path'] = $data['root_path'];
                $package['json']['file']=basename($path);
                $package['path'] = $path;
                $package['files'] = $files[$i];
                $packages[] = $package;
            }
        }else {
            $package = array();
            $path = $data['path'].$data['prefix'].'.zip';

if(isset($data['json_info']))
            {
                $package['json']=$data['json_info'];
            }
            /*
            $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
            $package['json']['root'] = substr($data['root_path'], $remove_path_size);
            */
            if(isset($data['root_flag']))
                $package['json']['root_flag'] = $data['root_flag'];
            if(isset($data['root_path']))
                $package['json']['root_path'] = $data['root_path'];
            $package['json']['file']=basename($path);
            $package['path'] = $path;
            $package['files'] = $files[0];
            $packages[] = $package;
        }

$ret['packages']=$packages;
        $ret['temp_dir']=$temp_dir;
        return $ret;
    }

public function get_upload_packages($data)
    {
        if(!function_exists('get_home_path'))
            require_once(ABSPATH . 'wp-admin/includes/file.php');

$max_size= $data['compress']['max_file_size'];

$max_size = str_replace('M', '', $max_size);
        if($max_size==0)
            $max_size=200;
        $size = intval($max_size) * 1024 * 1024;

$files = $this -> get_files_cache($size,$data);

$temp_dir = $data['path'].'temp-'.$data['prefix'].DIRECTORY_SEPARATOR;
        if(!file_exists($temp_dir))
            @mkdir($temp_dir);
        $packages = array();

if(sizeof($files) > 1)
        {
            $i=0;
            foreach ($files as $file)
            {
                $package = array();
                $path = $data['path'].$data['prefix'].'.part'.sprintf('%03d',($i +1)).'.zip';
                if(isset($data['json_info']))
                {
                    $package['json']=$data['json_info'];
                }
                /*
                $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
                $package['json']['root'] = substr($data['root_path'], $remove_path_size);
                */
                if(isset($data['root_flag']))
                    $package['json']['root_flag'] = $data['root_flag'];
                if(isset($data['root_path']))
                    $package['json']['root_path'] = $data['root_path'];
                $package['json']['file']=basename($path);
                $package['path'] = $path;
                $package['files'] = $file;
                $packages[] = $package;
                $i++;
            }
        }else {
            $package = array();
            $path = $data['path'].$data['prefix'].'.zip';
            if(isset($data['json_info']))
            {
                $package['json']=$data['json_info'];
            }
            /*
            $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
            $package['json']['root'] = substr($data['root_path'], $remove_path_size);
            */
            if(isset($data['root_flag']))
                $package['json']['root_flag'] = $data['root_flag'];
            if(isset($data['root_path']))
                $package['json']['root_path'] = $data['root_path'];
            $package['json']['file']=basename($path);
            $package['path'] = $path;
            $package['files'] = $files[0];
            $packages[] = $package;
        }

$ret['packages']=$packages;
        return $ret;
    }

public function compress_additional_database($data){
        if(!function_exists('get_home_path'))
            require_once(ABSPATH . 'wp-admin/includes/file.php');
        global $wpvivid_plugin;
        $wpvivid_plugin->wpvivid_log->WriteLog('Start compressing '.$data['key'],'notice');
        $files = $data['files'];
        $temp_dir = $data['path'].'temp-'.$data['prefix'].DIRECTORY_SEPARATOR;
        if(!file_exists($temp_dir))
            @mkdir($temp_dir);

$package_file = array();

$ret['result']=WPVIVID_SUCCESS;
        $ret['files']=array();

foreach ($files as $file){
            $file_name = $file;
            $file_name = str_replace($data['path'], '', $file_name);
            $file_name = str_replace('.sql', '', $file_name);
            $path = $data['path'].$file_name.'.zip';
            if(isset($data['json_info']))
            {
                $package_file['json']=$data['json_info'];
                foreach ($data['sql_file_name'] as $sql_info){
                    if($file === $sql_info['file_name']){
                        $package_file['json']['database'] = $sql_info['database'];
                    }
                }
            }
            if(isset($data['root_path']))
                $package['json']['root_path'] = $data['root_path'];
            if(isset($data['root_flag']))
                $package_file['json']['root_flag'] = $data['root_flag'];
            $package_file['json']['file']=basename($path);
            $package_file['path'] = $path;
            $package_file['files'] = $file;
            $wpvivid_plugin->set_time_limit($wpvivid_plugin->current_task['id']);
            $zip_ret=$this -> _zip($package_file['path'],$package_file['files'], $data, $package_file['json']);
            if($zip_ret['result']==WPVIVID_SUCCESS)
            {
                $ret['files'][] = $zip_ret['file_data'];
            }
            else
            {
                $ret=$zip_ret;
                break;
            }
        }

$wpvivid_plugin->wpvivid_log->WriteLog('Compressing '.$data['key'].' completed','notice');
        return $ret;
    }

public function compress($data,$write_child_files_json=false)
    {
        if(!function_exists('get_home_path'))
            require_once(ABSPATH . 'wp-admin/includes/file.php');
        global $wpvivid_plugin;
        $wpvivid_plugin->wpvivid_log->WriteLog('Start compressing '.$data['key'],'notice');
	    $files = $this -> filesplit($data['compress']['max_file_size'],$data['files']);

$temp_dir = $data['path'].'temp-'.$data['prefix'].DIRECTORY_SEPARATOR;
        if(!file_exists($temp_dir))
            @mkdir($temp_dir);
        $packages = array();
	    if(sizeof($files) > 1)
	    {
            for($i =0;$i <sizeof($files);$i ++)
            {
                $package = array();
                $path = $data['path'].$data['prefix'].'.part'.sprintf('%03d',($i +1)).'.zip';
                if(isset($data['json_info']))
                {
                    $package['json']=$data['json_info'];
                }
                /*
                $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
                $package['json']['root'] = substr($data['root_path'], $remove_path_size);
                */
                if(isset($data['root_flag']))
                    $package['json']['root_flag'] = $data['root_flag'];
                if(isset($options['root_path']))
                    $package['json']['root_path'] = $data['root_path'];
                $package['json']['file']=basename($path);
                $package['path'] = $path;
                $package['files'] = $files[$i];
                $packages[] = $package;
            }
        }else {
	        $package = array();
            $path = $data['path'].$data['prefix'].'.zip';
            if(isset($data['json_info']))
            {
                $package['json']=$data['json_info'];
            }
            /*
            $remove_path_size = strlen( $this -> transfer_path(get_home_path()));
            $package['json']['root'] = substr($data['root_path'], $remove_path_size);
            */
            if(isset($data['root_flag']))
                $package['json']['root_flag'] = $data['root_flag'];
            if(isset($options['root_path']))
                $package['json']['root_path'] = $data['root_path'];

$package['json']['file']=basename($path);
            $package['path'] = $path;
            $package['files'] = $files[0];
            $packages[] = $package;
        }

$ret['result']=WPVIVID_SUCCESS;
        $ret['files']=array();

foreach ($packages as $package)
        {
            if(!empty($package['files']))
            {
                $wpvivid_plugin->set_time_limit($wpvivid_plugin->current_task['id']);
                $zip_ret=$this -> _zip($package['path'],$package['files'], $data,$package['json']);
                if($zip_ret['result']==WPVIVID_SUCCESS)
                {
                    $ret['files'][] = $zip_ret['file_data'];
                }
                else
                {
                    $ret=$zip_ret;
                    break;
                }
            }else {
                continue;
            }
        }
        $wpvivid_plugin->wpvivid_log->WriteLog('Compressing '.$data['key'].' completed','notice');
        return $ret;
    }

public function extract($files, $path = '', $option = array())
    {
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';

if(!empty($option)){
            $GLOBALS['wpvivid_extract_option'] = $option;
        }

global $wpvivid_plugin;
        //$wpvivid_plugin->restore_data->write_log('start prepare extract','notice');
        define(PCLZIP_TEMPORARY_DIR,dirname($path));

$ret['result']=WPVIVID_SUCCESS;
        foreach ($files as $file)
        {
            $wpvivid_plugin->restore_data->write_log('start extracting file:'.$file,'notice');
            $archive = new WPvivid_PclZip($file);
            $zip_ret = $archive->extract(WPVIVID_PCLZIP_OPT_PATH, $path,WPVIVID_PCLZIP_OPT_REPLACE_NEWER,WPVIVID_PCLZIP_CB_PRE_EXTRACT,'wpvivid_function_pre_extract_callback',WPVIVID_PCLZIP_OPT_TEMP_FILE_THRESHOLD,16);
            if(!$zip_ret)
            {
                $ret['result']=WPVIVID_FAILED;
                $ret['error'] = $archive->errorInfo(true);
                $wpvivid_plugin->restore_data->write_log('extract finished:'.wp_json_encode($ret),'notice');
                break;
            }
            else
            {
                $wpvivid_plugin->restore_data->write_log('extract finished file:'.$file,'notice');
            }
        }
        //$this->restore_data->write_log('extract finished files:'.wp_json_encode($all_files),'notice');

return $ret;
    }

public function extract_ex($files,$path = '',$extract_files=array())
    {
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';

global $wpvivid_plugin;
        //$wpvivid_plugin->restore_data->write_log('start prepare extract','notice');
        define(PCLZIP_TEMPORARY_DIR,dirname($path));

$ret['result']=WPVIVID_SUCCESS;
        foreach ($files as $file)
        {
            $wpvivid_plugin->restore_data->write_log('start extracting file:'.$file,'notice');
            $wpvivid_plugin->restore_data->write_log('extract child file:'.wp_json_encode($extract_files),'notice');
            $archive = new WPvivid_PclZip($file);
            $zip_ret = $archive->extract(WPVIVID_PCLZIP_OPT_BY_NAME,$extract_files,WPVIVID_PCLZIP_OPT_PATH, $path,WPVIVID_PCLZIP_OPT_REPLACE_NEWER,WPVIVID_PCLZIP_CB_PRE_EXTRACT,'wpvivid_function_pre_extract_callback',WPVIVID_PCLZIP_OPT_TEMP_FILE_THRESHOLD,16);
            if(!$zip_ret)
            {
                $ret['result']=WPVIVID_FAILED;
                $ret['error'] = $archive->errorInfo(true);
                $wpvivid_plugin->restore_data->write_log('extract finished:'.wp_json_encode($ret),'notice');
                break;
            }
            else
            {
                $wpvivid_plugin->restore_data->write_log('extract finished file:'.$file,'notice');
            }
        }
        //$this->restore_data->write_log('extract finished files:'.wp_json_encode($all_files),'notice');

return $ret;
    }

public function extract_by_files($files,$zip,$path = '')
    {
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';

define(PCLZIP_TEMPORARY_DIR,$path);
        $flag = true;
        $table = array();
        $archive = new WPvivid_PclZip($zip);
        $list = $archive -> listContent();
        foreach ($list as $item)
        {
            if(strstr($item['filename'],WPVIVID_ZIPCLASS_JSONFILE_NAME))
            {
                $result = $archive->extract(WPVIVID_PCLZIP_OPT_BY_NAME, WPVIVID_ZIPCLASS_JSONFILE_NAME);
                if($result)
                {
                    $json = json_decode(file_get_contents(dirname($zip).WPVIVID_ZIPCLASS_JSONFILE_NAME),true);
                    $path = $json['root_path'];
                }
            }
        }

$str = $archive->extract(WPVIVID_PCLZIP_OPT_PATH, $path, WPVIVID_PCLZIP_OPT_BY_NAME, $files, WPVIVID_PCLZIP_OPT_REPLACE_NEWER,WPVIVID_PCLZIP_OPT_TEMP_FILE_THRESHOLD,16);
        if(!$str){
            $flag = false;
            $error = $archive->errorInfo(true);
        }else{
            $success_num = 0;
            $error_num = 0;
            $last_error = '';
            foreach ($str as $item){
                if($item['status'] === 'ok'){
                    $success_num ++;
                }else{
                    $error_num ++;
                    $last_error = 'restore '.$item['filename'].' failed status:'.$item['status'];
                }
            }
            $table['succeed'] = $success_num;
            $table['failed'] = $error_num;
            $error = $last_error;
        }

if($flag){
            return array('result'=>WPVIVID_SUCCESS,'table'=>$table,'error' => $error);
        }else{
            return array('result'=>'failed','error'=>$error);
        }
    }

public function get_include_zip($files,$allpackages){
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';

$i = sizeof($files);
        $zips = array();
        foreach ( $allpackages as $item){
            $archive = new WPvivid_PclZip($item);
            $lists = $archive -> listContent();
            foreach ($lists as $file){
                if($this -> _in_array($file['filename'],$files)){
                    $zips[$item][] = $file['filename'];
                    if($i -- === 0)
                        break 2;
                }
            }
        }
        return $zips;
    }

public function _zip($name,$files,$options,$json_info=false)
    {
        $zip_object_class=apply_filters('wpvivid_get_zip_object_class_ex','WPvivid_PclZip_Class',$options);
        $zip=new $zip_object_class();
        return $zip->zip($name,$files,$options,$json_info);
    }

public function listcontent($path){
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $zip = new WPvivid_PclZip($path);
        $list = $zip->listContent();
        return $list;
    }
    public function listnum($path , $includeFolder = false){
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $zip = new WPvivid_PclZip($path);
        $list = $zip->listContent();
        $index = 0;
        foreach ($list as $item){
            if(!$includeFolder && $item['folder'])
                continue;
            $index ++;
        }
        return $index;
    }

private function transfer_path($path)
    {
        $path = str_replace('\\','/',$path);
        $values = explode('/',$path);
        return implode(DIRECTORY_SEPARATOR,$values);
    }

public function get_json_data($path, $json_type = 'backup')
    {
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $json_file_name = $json_type === 'backup' ? 'wpvivid_package_info.json' : 'wpvivid_export_package_info.json';
        $archive = new WPvivid_PclZip($path);
        $list = $archive->listContent();
        if($list == false){
            return array('result'=>WPVIVID_FAILED,'error'=>$archive->errorInfo(true));
        }
        else {
            $b_exist = false;
            foreach ($list as $item) {
                if (basename($item['filename']) === $json_file_name) {
                    $b_exist = true;
                    $result = $archive->extract(WPVIVID_PCLZIP_OPT_BY_NAME, $json_file_name, WPVIVID_PCLZIP_OPT_EXTRACT_AS_STRING);
                    if ($result != 0) {
                        return array('result'=>WPVIVID_SUCCESS,'json_data'=>$result[0]['content']);
                    } else {
                        return array('result'=>WPVIVID_FAILED,'error'=>$archive->errorInfo(true));
                    }
                }
            }
            if(!$b_exist){
                return array('result'=>WPVIVID_FAILED,'error'=>'Failed to get json, this may be a old version backup.');
            }
        }
        return array('result'=>WPVIVID_FAILED,'error'=>'Unknown error');
    }

public function list_file($path)
    {
        if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $archive = new WPvivid_PclZip($path);
        $list = $archive->listContent();

$files=array();
        foreach ($list as $item)
        {
            if(basename($item['filename'])==='wpvivid_package_info.json')
            {
                continue;
            }
            $file['file_name']=$item['filename'];
            $files[]=$file;
        }

return $files;
    }

public function filesplit_plugin($max_file_size,$files,$is_num=true)
    {
        $packages=array();
        if($max_file_size == 0 || empty($max_file_size))
        {
            $packages[] = $files;
        }else{
            $folder_num_sum = 0;
            $package = array();

if($is_num)
            {
                foreach ($files as $file)
                {
                    $folder_num=0;
                    if(is_dir($file))
                    {
                        $folder_num=$this->get_folder_file_count($file);
                    }
                    else
                    {
                        $folder_num_sum+=filesize($file);
                    }

if($folder_num > $max_file_size)
                    {
                        $temp_package[] = $file;
                        $packages[] = $temp_package;
                        $temp_package = array();
                        continue;
                    }
                    else
                    {
                        $folder_num_sum+=$folder_num;
                    }

if($folder_num_sum > $max_file_size)
                    {
                        $package[] = $file;
                        $packages[] = $package;
                        $package = array();
                        $folder_num_sum=0;
                    }
                    else{
                        $package[] = $file;
                    }
                }
            }
            else
            {
                foreach ($files as $file)
                {
                    $folder_num=0;
                    if(is_dir($file))
                    {
                        $folder_num=$this->get_folder_file_size($file);
                    }
                    else
                    {
                        $folder_num_sum+=filesize($file);
                    }

if($folder_num_sum > $max_file_size)
                    {
                        $package[] = $file;
                        $packages[] = $package;
                        $package = array();
                        $folder_num_sum=0;
                    }
                    else{
                        $package[] = $file;
                    }
                }
            }

if(!empty($package))
                $packages[] = $package;
        }
        return $packages;
    }

public function get_folder_file_count($file)
    {
        $count=0;
        $this->get_folder_file_count_loop($file,$count);

return $count;
    }

function get_folder_file_count_loop($path,&$count)
    {
        $handler = opendir($path);
        if($handler!==false)
        {
            while (($filename = readdir($handler)) !== false)
            {
                if ($filename != "." && $filename != "..")
                {
                    $count++;

if(is_dir($path . DIRECTORY_SEPARATOR . $filename))
                    {
                        $this->get_folder_file_count_loop($path . DIRECTORY_SEPARATOR . $filename,$count);
                    }
                }
            }
            if($handler)
                @closedir($handler);
        }
    }

function get_folder_file_size($file)
    {
        $count=0;
        $this->get_folder_file_size_loop($file,$count);

return $count;
    }

public function get_root_flag_path($flag)
    {
        $path='';
        if($flag==WPVIVID_BACKUP_ROOT_WP_CONTENT)
        {
            $path=WP_CONTENT_DIR;
        }
        else if($flag==WPVIVID_BACKUP_ROOT_CUSTOM)
        {
            $path=WP_CONTENT_DIR.DIRECTORY_SEPARATOR.WPvivid_Setting::get_backupdir();
        }
        else if($flag==WPVIVID_BACKUP_ROOT_WP_ROOT)
        {
            $path=ABSPATH;
        }
        return $path;
    }

public function get_files_cache($size,$data)
    {
        $number=1;
        $cache_perfix = $data['path'].$data['prefix'].'_file_cache_';
        $cache_file_handle=false;
        $sumsize=0;

if(isset($data['exclude_files_regex']))
            $exclude_files_regex=$data['exclude_files_regex'];
        else
            $exclude_files_regex=array();

if(isset($data['exclude_regex']))
            $exclude_regex=$data['exclude_regex'];
        else
            $exclude_regex=array();

if(isset($data['compress'])&&$data['compress']['exclude_file_size'])
            $exclude_file_size=$data['compress']['exclude_file_size'];
        else
            $exclude_file_size=0;

if(isset($data['skip_files_time']))
        {
            $skip_files_time=$data['skip_files_time'];
        }
        else
        {
            $skip_files_time=0;
        }
        global $wpvivid_plugin;
        $wpvivid_plugin->wpvivid_log->WriteLog('exclude_files_regex:'.wp_json_encode($exclude_files_regex),'notice');

foreach ($data['files'] as $file)
        {
            $this->get_file_cache($size,$file,$cache_perfix,$cache_file_handle,$number,$sumsize,$exclude_regex,$exclude_files_regex,$exclude_file_size,$skip_files_time);
        }

$file_cache=array();

for($i=1;$i<$number+1;$i++)
        {
            $file_cache[]=$cache_perfix.$i.'.txt';
        }
        return $file_cache;
    }

public function get_file_cache($size,$path,$cache_perfix,&$cache_file_handle,&$number,&$sumsize,$exclude_regex,$exclude_files_regex,$exclude_file_size,$skip_files_time)
    {
        if(!$cache_file_handle)
        {
            $cache_file=$cache_perfix.$number.'.txt';
            $cache_file_handle=fopen($cache_file,'a');
        }
        $handler = opendir($path);

if($handler===false)
            return;

while (($filename = readdir($handler)) !== false)
        {
            if ($filename != "." && $filename != "..")
            {
                if (is_dir($path . DIRECTORY_SEPARATOR . $filename))
                {
                    if ($this->regex_match($exclude_regex, $path . DIRECTORY_SEPARATOR . $filename, 0))
                    {
                        $this->get_file_cache($size,$path . DIRECTORY_SEPARATOR . $filename,$cache_perfix,$cache_file_handle,$number,$sumsize,$exclude_regex,$exclude_files_regex,$exclude_file_size,$skip_files_time);
                    }
                }
                /*if(is_dir($path . DIRECTORY_SEPARATOR . $filename))
                {
                    $this->get_file_cache($size,$path . DIRECTORY_SEPARATOR . $filename,$cache_perfix,$cache_file_handle,$number,$sumsize,$exclude_regex,$exclude_files_regex,$exclude_file_size,$skip_files_time);
                }*/
                else
                {
                    if($this->regex_match($exclude_files_regex, $filename, 0))
                    {
                        if ($exclude_file_size == 0||(filesize($path . DIRECTORY_SEPARATOR . $filename) < $exclude_file_size * 1024 * 1024))
                        {
                            if(is_readable($path . DIRECTORY_SEPARATOR . $filename))
                            {
                                if($skip_files_time>0)
                                {
                                    $file_time=filemtime($path . DIRECTORY_SEPARATOR . $filename);
                                    if($file_time>0&&$file_time>$skip_files_time)
                                    {
                                        $sumsize+=filesize($path . DIRECTORY_SEPARATOR . $filename);
                                        if($sumsize>$size)
                                        {
                                            $number++;
                                            fclose($cache_file_handle);
                                            $cache_file=$cache_perfix.$number.'.txt';
                                            $cache_file_handle=fopen($cache_file,'a');

$line = $path . DIRECTORY_SEPARATOR . $filename.PHP_EOL;
                                            fwrite($cache_file_handle, $line);

$sumsize=filesize($path . DIRECTORY_SEPARATOR . $filename);
                                        }
                                        else
                                        {
                                            $line = $path . DIRECTORY_SEPARATOR . $filename.PHP_EOL;
                                            fwrite($cache_file_handle, $line);
                                        }
                                    }
                                }
                                else
                                {
                                    $sumsize+=filesize($path . DIRECTORY_SEPARATOR . $filename);
                                    if($sumsize>$size)
                                    {
                                        $number++;
                                        fclose($cache_file_handle);
                                        $cache_file=$cache_perfix.$number.'.txt';
                                        $cache_file_handle=fopen($cache_file,'a');

$line = $path . DIRECTORY_SEPARATOR . $filename.PHP_EOL;
                                        fwrite($cache_file_handle, $line);

$sumsize=filesize($path . DIRECTORY_SEPARATOR . $filename);
                                    }
                                    else
                                    {
                                        $line = $path . DIRECTORY_SEPARATOR . $filename.PHP_EOL;
                                        fwrite($cache_file_handle, $line);
                                    }
                                    $files[] = $path . DIRECTORY_SEPARATOR . $filename;
                                }
                            }
                        }
                    }
                }
            }
        }
        if($handler)
            @closedir($handler);
    }

private function regex_match($regex_array,$string,$mode)
    {
        if(empty($regex_array))
        {
            return true;
        }

if($mode==0)
        {
            foreach ($regex_array as $regex)
            {
                if(preg_match($regex,$string))
                {
                    return false;
                }
            }

return true;
        }

if($mode==1)
        {
            foreach ($regex_array as $regex)
            {
                if(preg_match($regex,$string))
                {
                    return true;
                }
            }

return false;
        }

return true;
    }

public function get_upload_files_from_cache($file)
    {
        $files=array();
        $file = new SplFileObject($file);
        $file->seek(0);

$file->setFlags( \SplFileObject::SKIP_EMPTY | \SplFileObject::READ_AHEAD );

while(!$file->eof())
        {
            $src = $file->fgets();

$src=trim($src,PHP_EOL);

if(empty($src))
                continue;

if(!file_exists($src))
            {
                continue;
            }

$files[]=$src;
        }
        return $files;
    }
}

class WPvivid_PclZip_Class
{
    public function zip($name,$files,$options,$json_info=false)
    {
        global $wpvivid_plugin;

if(file_exists($name))
            @wp_delete_file($name);

if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $archive = new WPvivid_PclZip($name);
        if(isset($options['compress']['no_compress']))
        {
            $no_compress=$options['compress']['no_compress'];
        }
        else
        {
            $no_compress=1;
        }

if(isset($options['compress']['use_temp_file']))
        {
            $use_temp_file=1;
        }
        else
        {
            $use_temp_file=0;
        }

if(isset($options['compress']['use_temp_size']))
        {
            $use_temp_size=$options['compress']['use_temp_size'];
        }
        else
        {
            $use_temp_size=16;
        }

if(isset($options['root_path']))
        {
            $replace_path=$options['root_path'];
        }
        else if(isset($options['root_flag']))
        {
            $replace_path=$this->get_root_flag_path($options['root_flag']);
        }
        else
        {
            $replace_path=WP_CONTENT_DIR.DIRECTORY_SEPARATOR.WPvivid_Setting::get_backupdir();
        }

if($json_info!==false)
        {
            $temp_path = dirname($name).DIRECTORY_SEPARATOR.'wpvivid_package_info.json';
            if(file_exists($temp_path))
            {
                @wp_delete_file($temp_path);
            }
            $json_info['php_version'] = phpversion();
            global $wpdb;
            $json_info['mysql_version'] = $wpdb->db_version();
            file_put_contents($temp_path,print_r(wp_json_encode($json_info),true));
            $archive -> add($temp_path,WPVIVID_PCLZIP_OPT_REMOVE_PATH,dirname($temp_path));
            @wp_delete_file($temp_path);
        }

$wpvivid_plugin->wpvivid_log->WriteLog('Prepare to zip files. file: '.basename($name),'notice');

/*foreach ($files as $index => $file){
            if(!is_dir($file) && filesize($file) === 0){
                $wpvivid_plugin->wpvivid_log->WriteLog('Ignore files with size 0. file: '.$file,'notice');
                unset($files[$index]);
            }
        }*/

if($no_compress)
        {
            if($use_temp_file==1)
            {
                if($use_temp_size!=0)
                {
                    $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_NO_COMPRESSION,WPVIVID_PCLZIP_OPT_TEMP_FILE_THRESHOLD,$use_temp_size);
                }
                else
                {
                    $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_NO_COMPRESSION,WPVIVID_PCLZIP_OPT_TEMP_FILE_ON);
                }
            }
            else
            {
                $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_NO_COMPRESSION,WPVIVID_PCLZIP_OPT_TEMP_FILE_OFF);
            }
        }
        else
        {
            if($use_temp_file==1)
            {
                if($use_temp_size!=0)
                {
                    $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_TEMP_FILE_THRESHOLD,$use_temp_size);
                }
                else
                {
                    $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_TEMP_FILE_ON);
                }
            }
            else
            {
                $ret = $archive -> add($files,WPVIVID_PCLZIP_OPT_REMOVE_PATH,$replace_path,WPVIVID_PCLZIP_CB_PRE_ADD,'wpvivid_function_per_add_callback',WPVIVID_PCLZIP_OPT_TEMP_FILE_OFF);
            }
        }

if(!$ret)
        {
            $wpvivid_plugin->wpvivid_log->WriteLog('Failed to add zip files, error: '.$archive->errorInfo(true),'notice');
            $size=size_format(disk_free_space(dirname($name)),2);
            $wpvivid_plugin->wpvivid_log->WriteLog('disk_free_space : '.$size,'notice');
            return array('result'=>WPVIVID_FAILED,'error'=>$archive->errorInfo(true));
        }

$size=filesize($name);
        if($size===false)
        {
            $wpvivid_plugin->wpvivid_log->WriteLog('Failed to add zip files, error: file not found after backup success','error');
            $size=size_format(disk_free_space(dirname($name)),2);
            $wpvivid_plugin->wpvivid_log->WriteLog('disk_free_space : '.$size,'notice');
            return array('result'=>WPVIVID_FAILED,'error'=>'The file compression failed while backing up becuase of '.$name.' file not found. Please try again. The available disk space: '.$size.'.');
        }
        else if($size==0)
        {
            $wpvivid_plugin->wpvivid_log->WriteLog('Failed to add zip files, error: file size 0B after backup success','error');
            $size=size_format(disk_free_space(dirname($name)),2);
            $wpvivid_plugin->wpvivid_log->WriteLog('disk_free_space : '.$size,'notice');
            return array('result'=>WPVIVID_FAILED,'error'=>'The file compression failed while backing up. The size of '.$name.' file is 0. Please make sure there is an enough disk space to backup. Then try again. The available disk space: '.$size.'.');
        }

$wpvivid_plugin->wpvivid_log->WriteLog('Adding zip files completed.'.basename($name).', filesize: '.size_format(filesize($name),2),'notice');
        $file_data = array();
        $file_data['file_name'] = basename($name);
        $file_data['size'] = filesize($name);

return array('result'=>WPVIVID_SUCCESS,'file_data'=>$file_data);
    }

class WPvivid_PclZip_Class_Ex
{
    public function zip($name,$files,$options,$json_info=false)
    {
        global $wpvivid_plugin;

if(file_exists($name))
            @wp_delete_file($name);

if (!class_exists('WPvivid_PclZip'))
            include_once WPVIVID_PLUGIN_DIR . '/includes/zip/class-wpvivid-pclzip.php';
        $archive = new WPvivid_PclZip($name);

if(isset($options['compress']['no_compress']))
        {
            $no_compress=$options['compress']['no_compress'];
        }
        else
        {
            $no_compress=1;
        }

if(isset($options['compress']['use_temp_file']))
        {
            $use_temp_file=1;
        }
        else
        {
            $use_temp_file=0;
        }

if(isset($options['compress']['use_temp_size']))
        {
            $use_temp_size=$options['compress']['use_temp_size'];
        }
        else
        {
            $use_temp_size=16;
        }

$wpvivid_plugin->wpvivid_log->WriteLog('Prepare to zip files. file: '.basename($name),'notice');

return array('result'=>WPVIVID_SUCCESS,'file_data'=>$file_data);
    }

$wpvivid_old_time=0;

function wpvivid_function_per_add_callback($p_event, &$p_header)
{
    if(!file_exists($p_header['filename'])){
        return 0;
    }
    /*if($p_header['size'] === 0){
        return 0;
    }*/

$path = str_replace('\\','/',WP_CONTENT_DIR);
    $content_path = $path.'/';
    if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-browser-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-page-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-php-edge.php')!==false)
    {
        return 0;
    }

$plugins = substr(WP_PLUGIN_DIR, strpos(WP_PLUGIN_DIR, 'wp-content/'));

if(strpos($p_header['filename'],$plugins.'/wpvivid-backuprestore')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],$plugins.'/wpvivid-backup-pro')!==false)
    {
        return 0;
    }

global $wpvivid_old_time;
    if(time()-$wpvivid_old_time>30)
    {
        $wpvivid_old_time=time();
        global $wpvivid_plugin;
        if(isset($wpvivid_plugin->current_task['id']))
        {
            $wpvivid_plugin->check_cancel_backup($wpvivid_plugin->current_task['id']);
            WPvivid_taskmanager::update_backup_task_status($wpvivid_plugin->current_task['id']);
        }
    }

return 1;
}

function wpvivid_function_pre_extract_callback($p_event, &$p_header)
{
    $plugins = substr(WP_PLUGIN_DIR, strpos(WP_PLUGIN_DIR, 'wp-content/'));

if ( isset( $GLOBALS['wpvivid_extract_option'] ) )
    {
        $option = $GLOBALS['wpvivid_extract_option'];
        if (isset($option['file_type']))
        {
            if ($option['file_type'] == 'themes')
            {
                if (isset($option['remove_themes']))
                {
                    foreach ($option['remove_themes'] as $slug => $themes)
                    {
                        if (empty($slug))
                            continue;
                        if(strpos($p_header['filename'],$plugins.DIRECTORY_SEPARATOR.$slug)!==false)
                        {
                            return 0;
                        }
                    }
                }
            }
            else if ($option['file_type'] == 'plugin')
            {
                if (isset($option['remove_plugin']))
                {
                    foreach ($option['remove_plugin'] as $slug => $plugin)
                    {
                        if (empty($slug))
                            continue;
                        if(strpos($p_header['filename'],$plugins.'/'.$slug)!==false)
                        {
                            return 0;
                        }
                    }
                }
            }
        }
    }

$path = str_replace('\\','/',WP_CONTENT_DIR);
    $content_path = $path.'/';
    if(strpos($p_header['filename'], $content_path.'advanced-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'db.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'object-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],$plugins.'/wpvivid-backuprestore')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],'wp-config.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],'wpvivid_package_info.json')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],'.htaccess')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],'.user.ini')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'],'wordfence-waf.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-browser-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-page-cache.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/endurance-php-edge.php')!==false)
    {
        return 0;
    }

if(strpos($p_header['filename'], $content_path.'mu-plugins/wp-stack-cache.php')!==false)
    {
        return 0;
    }