mirror of
https://gitee.com/ShopeX/OMS
synced 2026-03-23 19:05:34 +08:00
552 lines
18 KiB
PHP
552 lines
18 KiB
PHP
<?php
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/**
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* Copyright © ShopeX （http://www.shopex.cn）. All rights reserved.
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* See LICENSE file for license details.
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*/
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class desktop_system_backup {
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private $header = "<?php exit; ?>"; //追加头文件内容
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private $tar_ext = '.zip'; //下载扩展名
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private $backdir; //备份目录
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private $prefilename = 'multibak_';
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/**
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* __construct
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* @return mixed 返回值
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*/
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public function __construct() {
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$this->backdir = DATA_DIR.'/backup';
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}
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/**
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* 获取
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* @param mixed $var var
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* @return mixed 返回结果
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*/
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public function get($var='') {
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if(!$var) return false;
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return $this->$var;
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}
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/**
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* 获取List
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* @return mixed 返回结果
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*/
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public function getList(){
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$dir = $this->backdir;
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if(!is_dir($dir))return false;
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$handle=opendir($dir);
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if ($handle = opendir($dir)) {
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$return = array();
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while (false !== ($file = readdir($handle))) {
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if($file[0]=='.') continue;
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if( is_file($dir.'/'.$file) ){
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//备份时间取文件名字
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$array = explode( '.',$file );
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$temp = array();
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if( count($array)==3 ) {
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$temp['app'] = $array[0];
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$nfilename = $array[1];
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} else {
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$nfilename = $array[0];
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$temp['app'] = '全局备份';
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}
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$datetime = ltrim($nfilename,$this->prefilename);
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if( strlen($datetime)!=14 ) continue;
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$datetime = mktime( substr($datetime,8,2) ,
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substr($datetime,10,2) ,
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substr($datetime,12,2) ,
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substr($datetime,4,2) ,
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substr($datetime,6,2) ,
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substr($datetime,0,4)
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);
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$temp['name'] = str_replace('.php', $this->tar_ext, $file);
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$temp['size'] = filesize($dir .'/'. $file);
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$temp['time'] = $datetime;
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if( end($array)==trim($this->tar_ext,'.') ) {
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$this->convertFile( $dir,$file );
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@unlink($dir.'/'.$file);
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}
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$return[] = $temp;
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}
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}
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krsort($return);
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closedir($handle);
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}
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return $return;
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}
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/**
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* uninstall_backup
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* @param mixed $app app
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* @return mixed 返回值
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*/
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public function uninstall_backup( $app ) {
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$oMysqlDump = kernel::single("desktop_system_mysqldumper");
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$backdir = $this->backdir;
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$dirname = date("Ymdhis");
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is_dir($backdir) or mkdir($backdir, 0755, true);
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$oMysqlDump->multi_dump_sdf( $app,$backdir .'/' . $dirname );
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$this->create_tar( $backdir,$dirname,$app );
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}
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/**
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* start_backup_sdf
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* @param mixed $params 参数
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* @param mixed $nexturl nexturl
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* @return mixed 返回值
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*/
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public function start_backup_sdf(&$params,&$nexturl){
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set_time_limit(0);
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header("Content-type:text/html;charset=utf-8");
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$app = $params['appname'];
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$dirname = $params['dirname'];
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#$cols = $params['cols'];
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#$model = $params['model'];
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#$startid = $params['startid'];
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$oMysqlDump = kernel::single("desktop_system_mysqldumper");
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$backdir = $this->backdir;
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$oMysqlDump->tableid = $tableid;
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$oMysqlDump->startid = $startid;
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is_dir($backdir) or mkdir($backdir, 0755, true);
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is_dir($backdir .'/' . $dirname) or mkdir($backdir .'/' . $dirname, 0755, true);
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$app = $oMysqlDump->multi_dump_sdf( $app,$backdir .'/' . $dirname );
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if($app){
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$nexturl = "index.php?app=desktop&ctl=backup&act=backup_sdf&appname=$app&dirname=$dirname";
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$params['app'] = $app;
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} else {
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return $this->create_tar( $backdir,$dirname );
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}
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return false;
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}
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/**
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* 生成tar包
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*/
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private function create_tar( $backdir,$dirname,$app='' ) {
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$tar = kernel::single("base_tar");
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$dir = $backdir. '/' . $dirname;
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chdir($dir);
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$size = $this->add_tar( $dir,$tar );
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$size = ceil($size/1024/1024) + 128;
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ini_set("memory_limit", "{$size}M");
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$tar->filename = ($app?$app.'.':''). $this->prefilename.$dirname.$this->tar_ext;
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$tar->saveTar();
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@copy($dir . '/' . $tar->filename, $backdir.'/'.$tar->filename);
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$this->convertFile($backdir, $tar->filename, '.php');
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if(is_resource($tar->tar_file)) {
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fclose($tar->tar_file);
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}
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@unlink($tar->filename);
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@unlink($backdir.'/'.$tar->filename);
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$dir = $backdir. '/' . $dirname;
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chdir($dir);
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if ($handle = opendir($dir)) {
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while (false !== ($file = readdir($handle))) {
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if(is_file($file)) {
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@unlink($file);
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}
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}
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closedir($handle);
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}
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utils::remove_p($dir);
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return true;
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}
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private function add_tar( $dir,&$tar,$parentdir='' ) {
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$size = 0;
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if ($handle = opendir($dir)) {
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while (false !== ($file = readdir($handle))) {
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if($file[0]!='.') {
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if( is_file($dir.'/'.$file) ) {
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$size += filesize($parentdir.$file);
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$tar->addFile($parentdir.$file);
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} else {
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$tar->addDirectory($parentdir.$file);
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$size += $this->add_tar( $dir.'/'.$file, $tar, $parentdir.$file.'/' );
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}
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}
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}
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closedir($handle);
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}
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return $size;
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}
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/**
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* download
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* @param mixed $file file
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* @return mixed 返回值
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*/
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public function download($file) {
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$dir = DATA_DIR.'/backup/';
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$file = str_replace($this->tar_ext, '.php', $file);
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if(!file_exists($dir . $file)){
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return false;
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}
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$etag = md5_file($dir . $file);
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header('Etag: '.$etag);
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if(isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag){
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header('HTTP/1.1 304 Not Modified',true,304);
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exit(0);
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}else{
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set_time_limit(0);
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ob_end_clean();
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$content_size = filesize($dir . $file) - strlen($this->header);
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$filename = substr($file, 0, strrpos($file, '.')) . $this->tar_ext;
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header("Content-Disposition: attachment; filename=\"$filename\"");
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header("Content-Length: " . $content_size);
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$handle = fopen($dir . $file, "r");
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$flag = false;
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while($buffer = fread($handle,102400)){
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if(!$flag) $buffer = str_replace($this->header, '', $buffer);
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echo $buffer;
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$flag = true;
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flush();
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}
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fclose($handle);
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}
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}
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function recover($sTgz,&$vols,$fileid,&$pre_app){
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$prefix = substr($sTgz,0,23);
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$sTmpDir = DATA_DIR.'/tmp/'.md5($sTgz).'/';
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$sTgz = str_replace($this->tar_ext, '.php', $sTgz);
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if($fileid==1){
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$vols = 0;
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$rTar = kernel::single("base_tar");
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is_dir($sTmpDir) or mkdir($sTmpDir, 0755, true);
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$file = DATA_DIR.'/backup/'.$sTgz;
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$size = filesize($file);
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$size = ceil($size/1024/1024) + 128;
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ini_set("memory_limit", "{$size}M");
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$newFile = $this->convertFile(DATA_DIR.'/backup/', $sTgz, $this->tar_ext);
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if($rTar->openTAR($newFile, null)){
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if(!$rTar->files) return false;
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foreach($rTar->files as $id => $aFile) {
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if( substr($aFile['name'],0,4)=='sdf/') $vols++;
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$sPath=$sTmpDir.$aFile['name'];
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is_dir( dirname($sPath) ) or mkdir( dirname($sPath),0755,true );
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file_put_contents($sPath,$rTar->getContents($aFile));
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chmod($sPath,0755);
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}
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}
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$rTar->closeTAR();
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@unlink($newFile);
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return $this->comeback($sTmpDir, 1, $vols, $pre_app);
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}else{
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return $this->comeback($sTmpDir, $fileid, $vols, $pre_app);
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}
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}
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function comeback($sDir, $fileid=1, $vols, &$pre_app){
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$dir = $sDir;
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$sDir = $sDir .'/sdf';
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if(!is_dir($sDir)) return false;
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chdir($sDir);
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if($rHandle=opendir($sDir)){
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while(false!==($sFile=readdir($rHandle))){
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if($sFile[0]=='.')continue;
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$handle = fopen($sFile,'r');
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$app = substr($sFile, 0, strpos($sFile, '.'));
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$model = substr($sFile, strpos($sFile, '.')+1, -(strpos(strrev($sFile), '.') + 1));
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$model = strpos($model, '.') ? substr($model, 0, strpos($model, '.')) : $model;
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if(!$app || !$model) return false;
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if( app::get($app)->is_actived() ) { //APP安装了继续跑
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$o = app::get($app)->model($model);
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$this->app_update( $dir,$app,$pre_app,$model,$o );
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$str = null;
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while($sdf=$this->fgetline($handle)){
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if(!is_array(@unserialize($sdf))){
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$buffer .= $sdf;
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$sdf = @unserialize($buffer);
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if(!is_array($sdf)) continue;
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}else{
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$sdf = @unserialize($sdf);
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}
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if( $app=='base' && $model=='app_content' ) {
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if( !$sdf['app_id'] ) continue;
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if( !isset($arr_app_status[$sdf['app_id']]) )
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$arr_app_status[$sdf['app_id']] = app::get($sdf['app_id'])->is_actived();
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if( !$arr_app_status[$sdf['app_id']] ) continue;
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}
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//删除kvstore主键 避免冲突 session
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if( $app=='base' && $model=='kvstore' ) unset( $sdf['id'] );
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$return = @$o->insert($sdf);
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$buffer = null;
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}
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} else {
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$this->show_message .= 'app: '.$app .' 没有安装!数据无法还原！<BR />';
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}
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fclose($handle);
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@unlink($sFile);
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$pre_app = $app;
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break;
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}
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closedir($rHandle);
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if( !$sFile ) {
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$this->app_update( $dir,$app,$pre_app );
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utils::remove_p($sDir);
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}
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if( $fileid==$vols ) {
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$this->post_comeback($dir);
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utils::remove_p($dir);
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////
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//数据还原之后
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///////////////////////////////////////////////////////////////////////////
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private function post_comeback($dir) {
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if($rHandle=opendir($dir.'/dbschema/')){
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while(false!==($app=readdir($rHandle))){
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if( $app[0]=='.' ) continue;
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if( !is_dir($dir.'/dbschema/'.$app) ) continue;
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#if( $handle=opendir($dir.'/dbschema/'.$app) ) {
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# while(false!==($sFile=readdir($handle))){
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# if( $sFile[0]=='.' ) continue;
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# $tmp_model = substr($sFile,0,strpos($sFile,'.'));
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//最后会修复表结构到最新 以下没有意义
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#$dbschema_file = $dir.'/dbschema/'.$app.'/'.$sFile;
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#if( $db[$tmp_model]['unbackup'] ) continue;
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#$this->create_table( $pre_app,$tmp_model,$o,$dbschema_file );
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# }
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#}
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if( !$this->dbtable )
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$this->dbtable = kernel::single('base_application_dbtable');
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$this->dbtable->update($app);
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}
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}
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}
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private function app_update( $dir,$app,$pre_app,$model='',$o='' ) {
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if( !$app ) return false;
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$dbschema_file = $dir.'/dbschema/'.$app.'/'.$model.'.php';
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$dbschema_file_bak = $dir.'/dbschema/'.$app.'/'.$model.'.bak.php';;
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if( is_file($dbschema_file) ) {
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$this->create_table( $app,$model,$o,$dbschema_file );
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#unlink( $dbschema_file );
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rename($dbschema_file,$dbschema_file_bak);
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} else if(is_file($dbschema_file_bak)) {
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$this->create_table( $app,$model,$o,$dbschema_file_bak,false );
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}
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}
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/*
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* 创建数据表
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*/
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private function create_table( $app,$model,$o,$dbschema_file,$createtable=true ) {
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if( !$app ) return false;
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if( !$model ) return false;
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require( $dbschema_file );
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if( !$this->dbtable )
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$this->dbtable = kernel::single('base_application_dbtable');
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$this->dbtable->target_app = app::get($app);
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//是否默认使用innodb
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$this->dbtable->_enable_innodb = 'YES';
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$this->dbtable->key = $model;
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$real_table_name = $this->dbtable->real_table_name();
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$define = $db[$model];
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$this->get_defined_dbsdf( $define );
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$this->dbtable->_define[$real_table_name] = $define;
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if( $createtable ) {
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$sql = $this->dbtable->get_sql("sdb_{$app}_{$model}");
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$o->db->exec("DROP TABLE IF EXISTS sdb_{$app}_{$model}");
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$o->db->exec($sql);
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} else {
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}
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}
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private function get_defined_dbsdf( &$define ) {
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foreach($define['columns'] as $k=>$v){
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if($v['pkey'])
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$define['idColumn'][$k] = $k;
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if($v['is_title'])
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$define['textColumn'][$k] = $k;
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if($v['in_list']){
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$define['in_list'][] = $k;
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if($v['default_in_list']){
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$define['default_in_list'][] = $k;
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}
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}
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$define['columns'][$k] = $this->dbtable->_prepare_column($k, $v);
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if(isset($v['pkey']) && $v['pkey']){
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$define['pkeys'][$k] = $k;
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}
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}
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if(!$define['idColumn']){
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$define['idColumn'] = key($define['columns']);
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}elseif(count($define['idColumn'])==1){
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$define['idColumn'] = current($define['idColumn']);
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}
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if(!$define['textColumn']){
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$keys = array_keys($define['columns']);
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$define['textColumn'] = $keys[1];
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}elseif(count($define['idColumn'])==1){
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$define['textColumn'] = current($define['textColumn']);
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}
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}
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/**
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* 文件类型转换
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*/
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private function convertFile($dir, $file, $type='.php') {
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$dir = rtrim($dir, '/') . '/';
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$new_file_name = substr($file, 0, -(strpos(strrev($file), '.')+1)) . $type;
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$newFile = $dir . $new_file_name;
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$flag = true;
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if($type==$this->tar_ext) { //还原时从php转换成tar包
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$flag = false;
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//is_dir($dir .'/tmptar/') or mkdir($dir .'/tmptar/');
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//$newFile = $dir .'/tmptar/'. md5($newFile);
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if(file_exists($newFile)) { //如果是tar文件转换成php形式
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$this->convertFile( $dir,$new_file_name );
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}
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}
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if(file_exists($newFile)) {
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return $newFile;
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}
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$handle = fopen($newFile, 'x');
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if($flag) {
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fwrite($handle, $this->header);
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}
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$src = fopen($dir . $file, 'r');
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while (!feof($src)) {
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$contents = fgets($src);
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if(!$flag && strpos($contents, $this->header)!==false) $contents = substr($contents, strlen($this->header));
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if($contents) {
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fwrite($handle, $contents);
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}
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$flag = true;
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}
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fclose($src);
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fclose($handle);
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return $newFile;
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}
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function fgetline($handle){
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$buffer = fgets($handle, 4096);
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||
if (!$buffer){
|
||
return false;
|
||
}
|
||
if(( 4095 > strlen($buffer)) || ( 4095 == strlen($buffer) && "\n" == $buffer[4094] )){
|
||
$line = $buffer;
|
||
}else{
|
||
$line = $buffer;
|
||
while( 4095 == strlen($buffer) && "\n" != $buffer[4094] ){
|
||
$buffer = fgets($handle,4096);
|
||
$line.=$buffer;
|
||
}
|
||
}
|
||
return $line;
|
||
}
|
||
|
||
function removeTgz($sFile){
|
||
#foreach($aTgz as $sFile){
|
||
$pathinfo = pathinfo($sFile);
|
||
@unlink(DATA_DIR.'/backup/'.$pathinfo['filename'].'.php');
|
||
#}
|
||
return true;
|
||
}
|
||
function __finish($sDir){
|
||
$this->__removeDir($sDir);
|
||
return $sDir;
|
||
}
|
||
function __removeDir($sDir){
|
||
if($rHandle=opendir($sDir)){
|
||
while(false!==($sItem=readdir($rHandle))){
|
||
if ($sItem!='.' && $sItem!='..'){
|
||
if(is_dir($sDir.'/'.$sItem)){
|
||
$this->__removeDir($sDir.'/'.$sItem);
|
||
}else{
|
||
@unlink($sDir.'/'.$sItem);
|
||
}
|
||
}
|
||
}
|
||
closedir($rHandle);
|
||
utils::remove_p($sDir);
|
||
}
|
||
}
|
||
//*/
|
||
}
|