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@@ -1,506 +0,0 @@ |
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<?php
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if (!defined('DEDEINC')) exit('dedebiz');
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/**
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* Zip压缩类
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*
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* @version $id:zip.class.php 15:21 2010年7月5日 tianya $
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* @package DedeBIZ.Libraries
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* @copyright Copyright (c) 2022 DedeBIZ.COM
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* @license https://www.dedebiz.com/license
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* @link https://www.dedebiz.com
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*/
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class zip
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{
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var $datasec, $ctrl_dir = array();
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var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
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var $old_offset = 0;
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var $dirs = array(".");
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/**
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* 获取zip文件中的文件列表
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*
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* @access public
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* @param string $zip_name zip文件名
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* @return array
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*/
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function get_List($zip_name)
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{
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$ret = '';
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$zip = @fopen($zip_name, 'rb');
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if (!$zip) {
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return (0);
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}
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$centd = $this->ReadCentralDir($zip, $zip_name);
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@rewind($zip);
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@fseek($zip, $centd['offset']);
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for ($i = 0; $i < $centd['entries']; $i++) {
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$header = $this->ReadCentralFileHeaders($zip);
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$header['index'] = $i;
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$info['filename'] = $header['filename'];
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$info['stored_filename'] = $header['stored_filename'];
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$info['size'] = $header['size'];
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$info['compressed_size'] = $header['compressed_size'];
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$info['crc'] = strtoupper(dechex($header['crc']));
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$info['mtime'] = $header['mtime'];
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$info['comment'] = $header['comment'];
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$info['folder'] = ($header['external'] == 0x41FF0010 || $header['external'] == 16) ? 1 : 0;
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$info['index'] = $header['index'];
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$info['status'] = $header['status'];
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$ret[] = $info;
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unset($header);
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}
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return $ret;
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}
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/**
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* 增加文件到压缩文件
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*
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* @access public
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* @param string $files 需要增加的文件列表,可以是字符串也可以是数组
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* @param string $compact 压缩文件名称
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* @return array 压缩文件信息
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*/
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function Add($files, $compact)
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{
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if (!is_array($files[0])) {
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$files = array($files);
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}
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for ($i = 0; $files[$i]; $i++) {
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$fn = $files[$i];
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if (!in_Array(dirname($fn[0]), $this->dirs)) {
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$this->add_Dir(dirname($fn[0]));
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}
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if (basename($fn[0])) {
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$ret[basename($fn[0])] = $this->add_File($fn[1], $fn[0], $compact);
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}
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}
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return $ret;
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}
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/**
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* 获取文件,获取后可以让其进行下载
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*
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* @access public
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* @return void
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*/
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function get_file()
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{
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$data = implode('', $this->datasec);
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$ctrldir = implode('', $this->ctrl_dir);
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return $data.$ctrldir.$this->eof_ctrl_dir .
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pack('v', sizeof($this->ctrl_dir)).pack('v', sizeof($this->ctrl_dir)) .
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pack('V', strlen($ctrldir)).pack('V', strlen($data))."\x00\x00";
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}
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/**
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* 增加文件目录
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*
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* @access public
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* @param string $name 目录名称
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* @return void
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*/
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function add_dir($name)
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{
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$name = str_replace("\\", "/", $name);
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$fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00";
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$fr .= pack("V", 0).pack("V", 0).pack("V", 0).pack("v", strlen($name));
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$fr .= pack("v", 0).$name.pack("V", 0).pack("V", 0).pack("V", 0);
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$this->datasec[] = $fr;
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$new_offset = strlen(implode("", $this->datasec));
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$cdrec = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00";
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$cdrec .= pack("V", 0).pack("V", 0).pack("V", 0).pack("v", strlen($name));
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$cdrec .= pack("v", 0).pack("v", 0).pack("v", 0).pack("v", 0);
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$ext = "\xff\xff\xff\xff";
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$cdrec .= pack("V", 16).pack("V", $this->old_offset).$name;
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$this->ctrl_dir[] = $cdrec;
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$this->old_offset = $new_offset;
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$this->dirs[] = $name;
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}
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/**
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* 编译指定的文件为zip文件(filename可以为文件数组array、目录dir或单个文件file)
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*
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* @access public
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* @param string $filename 文件名称
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* @param string $tozipfilename 压缩文件名称
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* @param string $ftype 压缩类型
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* @return int 影响文件数
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*/
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function CompileZipFile($filename, $tozipfilename, $ftype = 'dir')
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{
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if (@function_exists('gzcompress')) {
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if ($ftype == 'dir') {
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$filelist = $this->ListDirFiles($filename);
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} else if ($ftype == 'file') {
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$filelist[] = $filename;
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} else {
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$filelist = $filename;
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}
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$i = 0;
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if (count($filelist) > 0) {
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foreach ($filelist as $filename) {
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if (is_file($filename)) {
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$i++;
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$fd = fopen($filename, "r");
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if (filesize($filename) > 0) {
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$content = fread($fd, filesize($filename));
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} else {
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$content = ' ';
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}
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fclose($fd);
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//if (is_array($dir)) $filename = basename($filename);
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$this->add_File($content, $filename);
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}
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}
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$out = $this->get_file();
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$fp = fopen($tozipfilename, "w");
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fwrite($fp, $out, strlen($out));
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fclose($fp);
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}
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return $i;
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} else {
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return 0;
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}
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}
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/**
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* 读取某文件夹的所有文件
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*
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* @access public
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* @param string $dirname 目录名称
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* @return mix 如果失败则返回false
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*/
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function ListDirFiles($dirname)
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{
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$files = array();
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if (is_dir($dirname)) {
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$fh = opendir($dirname);
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while (($file = readdir($fh)) !== false) {
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if (strcmp($file, '.') == 0 || strcmp($file, '..') == 0) {
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continue;
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}
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$filepath = $dirname.'/'.$file;
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if (is_dir($filepath)) {
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$files = array_merge($files, $this->ListDirFiles($filepath));
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} else {
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array_push($files, $filepath);
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}
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}
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closedir($fh);
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} else {
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$files = false;
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}
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return $files;
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}
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/**
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* 增加文件
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*
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* @access public
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* @param string $data 数据
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* @param string $name 名称
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* @param string $compact 压缩
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* @return string
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*/
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function add_File($data, $name, $compact = 1)
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{
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$name = str_replace('\\', '/', $name);
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$dtime = dechex($this->DosTime());
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$hexdtime = '\x'.$dtime[6].$dtime[7].'\x'.$dtime[4].$dtime[5]
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.'\x'.$dtime[2].$dtime[3].'\x'.$dtime[0].$dtime[1];
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eval('$hexdtime = "'.$hexdtime.'";');
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if ($compact)
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$fr = "\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00".$hexdtime;
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else {
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$fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00".$hexdtime;
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}
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$unc_len = strlen($data);
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$crc = crc32($data);
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if ($compact) {
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$zdata = gzcompress($data);
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$c_len = strlen($zdata);
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$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
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} else {
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$zdata = $data;
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}
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$c_len = strlen($zdata);
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$fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
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$fr .= pack('v', strlen($name)).pack('v', 0).$name.$zdata;
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$fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
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$this->datasec[] = $fr;
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$new_offset = strlen(implode('', $this->datasec));
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if ($compact) {
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$cdrec = "\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00";
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} else {
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$cdrec = "\x50\x4b\x01\x02\x14\x00\x0a\x00\x00\x00\x00\x00";
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}
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$cdrec .= $hexdtime.pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
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$cdrec .= pack('v', strlen($name)).pack('v', 0).pack('v', 0);
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$cdrec .= pack('v', 0).pack('v', 0).pack('V', 32);
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$cdrec .= pack('V', $this->old_offset);
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$this->old_offset = $new_offset;
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$cdrec .= $name;
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$this->ctrl_dir[] = $cdrec;
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return true;
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}
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/**
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* 返回时间
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*
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* @access public
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* @return int
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*/
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function DosTime()
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{
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$timearray = getdate();
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if ($timearray['year'] < 1980) {
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$timearray['year'] = 1980;
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$timearray['mon'] = 1;
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$timearray['mday'] = 1;
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$timearray['hours'] = 0;
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$timearray['minutes'] = 0;
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$timearray['seconds'] = 0;
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}
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return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | ($timearray['hours'] << 11) |
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($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
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}
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/**
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* 解压整个压缩包
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* 直接用 Extract 会有路径问题,本函数先从列表中获得文件信息并创建好所有目录然后才运行 Extract
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*
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* @access public
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* @param string $zn zip文件名称
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* @param string $to 解压到的目录地址
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* @return string
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*/
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function ExtractAll($zn, $to)
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{
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if (substr($to, -1) != "/") {
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$to .= "/";
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}
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$files = $this->get_List($zn);
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$cn = count($files);
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if (is_array($files)) {
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for ($i = 0; $i < $cn; $i++) {
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if ($files[$i]['folder'] == 1) {
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@mkdir($to.$files[$i]['filename'], $GLOBALS['cfg_dir_purview']);
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@chmod($to.$files[$i]['filename'], $GLOBALS['cfg_dir_purview']);
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}
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}
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}
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$this->Extract($zn, $to);
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}
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/**
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* 解压单个文件
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*
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* @access public
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* @param string $zn zip文件名称
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* @param string $to 解压到的目录地址
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* @return string
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*/
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function Extract($zn, $to, $index = array(-1))
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{
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$ok = 0;
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$zip = @fopen($zn, 'rb');
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if (!$zip) {
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return (-1);
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}
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$cdir = $this->ReadCentralDir($zip, $zn);
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$pos_entry = $cdir['offset'];
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if (!is_array($index)) {
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$index = array($index);
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}
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for ($i = 0; isset($index[$i]); $i++) {
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if (intval($index[$i]) != $index[$i] || $index[$i] > $cdir['entries']) {
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return (-1);
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}
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}
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for ($i = 0; $i < $cdir['entries']; $i++) {
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@fseek($zip, $pos_entry);
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$header = $this->ReadCentralFileHeaders($zip);
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$header['index'] = $i;
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$pos_entry = ftell($zip);
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@rewind($zip);
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fseek($zip, $header['offset']);
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if (in_array("-1", $index) || in_array($i, $index)) {
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$stat[$header['filename']] = $this->ExtractFile($header, $to, $zip);
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}
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}
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fclose($zip);
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return $stat;
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}
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function ReadFileHeader($zip)
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{
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$binary_data = fread($zip, 30);
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$data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
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$header['filename'] = fread($zip, $data['filename_len']);
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if ($data['extra_len'] != 0) {
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$header['extra'] = fread($zip, $data['extra_len']);
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} else {
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$header['extra'] = '';
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}
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$header['compression'] = $data['compression'];
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$header['size'] = $data['size'];
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$header['compressed_size'] = $data['compressed_size'];
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$header['crc'] = $data['crc'];
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$header['flag'] = $data['flag'];
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$header['mdate'] = $data['mdate'];
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$header['mtime'] = $data['mtime'];
|
|
|
|
if ($header['mdate'] && $header['mtime']) {
|
|
|
|
$hour = ($header['mtime'] & 0xF800) >> 11;
|
|
|
|
$minute = ($header['mtime'] & 0x07E0) >> 5;
|
|
|
|
$seconde = ($header['mtime'] & 0x001F) * 2;
|
|
|
|
$year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
|
|
|
|
$month = ($header['mdate'] & 0x01E0) >> 5;
|
|
|
|
$day = $header['mdate'] & 0x001F;
|
|
|
|
$header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
|
|
|
|
} else {
|
|
|
|
$header['mtime'] = time();
|
|
|
|
}
|
|
|
|
$header['stored_filename'] = $header['filename'];
|
|
|
|
$header['status'] = "ok";
|
|
|
|
return $header;
|
|
|
|
}
|
|
|
|
function ReadCentralFileHeaders($zip)
|
|
|
|
{
|
|
|
|
$binary_data = fread($zip, 46);
|
|
|
|
$header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
|
|
|
|
if ($header['filename_len'] != 0) {
|
|
|
|
$header['filename'] = fread($zip, $header['filename_len']);
|
|
|
|
} else {
|
|
|
|
$header['filename'] = '';
|
|
|
|
}
|
|
|
|
if ($header['extra_len'] != 0) {
|
|
|
|
$header['extra'] = fread($zip, $header['extra_len']);
|
|
|
|
} else {
|
|
|
|
$header['extra'] = '';
|
|
|
|
}
|
|
|
|
if ($header['comment_len'] != 0) {
|
|
|
|
$header['comment'] = fread($zip, $header['comment_len']);
|
|
|
|
} else {
|
|
|
|
$header['comment'] = '';
|
|
|
|
}
|
|
|
|
if ($header['mdate'] && $header['mtime']) {
|
|
|
|
$hour = ($header['mtime'] & 0xF800) >> 11;
|
|
|
|
$minute = ($header['mtime'] & 0x07E0) >> 5;
|
|
|
|
$seconde = ($header['mtime'] & 0x001F) * 2;
|
|
|
|
$year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
|
|
|
|
$month = ($header['mdate'] & 0x01E0) >> 5;
|
|
|
|
$day = $header['mdate'] & 0x001F;
|
|
|
|
$header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
|
|
|
|
} else {
|
|
|
|
$header['mtime'] = time();
|
|
|
|
}
|
|
|
|
$header['stored_filename'] = $header['filename'];
|
|
|
|
$header['status'] = 'ok';
|
|
|
|
if (substr($header['filename'], -1) == '/') {
|
|
|
|
$header['external'] = 0x41FF0010;
|
|
|
|
}
|
|
|
|
return $header;
|
|
|
|
}
|
|
|
|
function ReadCentralDir($zip, $zip_name)
|
|
|
|
{
|
|
|
|
$size = filesize($zip_name);
|
|
|
|
if ($size < 277) {
|
|
|
|
$maximum_size = $size;
|
|
|
|
} else {
|
|
|
|
$maximum_size = 277;
|
|
|
|
}
|
|
|
|
@fseek($zip, $size - $maximum_size);
|
|
|
|
$pos = ftell($zip);
|
|
|
|
$bytes = 0x00000000;
|
|
|
|
while ($pos < $size) {
|
|
|
|
$byte = @fread($zip, 1);
|
|
|
|
$bytes = ($bytes << 8) | Ord($byte);
|
|
|
|
if ($bytes == 0x504b0506) {
|
|
|
|
$pos++;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
$pos++;
|
|
|
|
}
|
|
|
|
$data = @unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', fread($zip, 18));
|
|
|
|
if ($data['comment_size'] != 0) {
|
|
|
|
$centd['comment'] = fread($zip, $data['comment_size']);
|
|
|
|
} else {
|
|
|
|
$centd['comment'] = '';
|
|
|
|
$centd['entries'] = $data['entries'];
|
|
|
|
}
|
|
|
|
$centd['disk_entries'] = $data['disk_entries'];
|
|
|
|
$centd['offset'] = $data['offset'];
|
|
|
|
$centd['disk_start'] = $data['disk_start'];
|
|
|
|
$centd['size'] = $data['size'];
|
|
|
|
$centd['disk'] = $data['disk'];
|
|
|
|
return $centd;
|
|
|
|
}
|
|
|
|
function ExtractFile($header, $to, $zip)
|
|
|
|
{
|
|
|
|
$header = $this->readfileheader($zip);
|
|
|
|
$header['external'] = (!isset($header['external']) ? 0 : $header['external']);
|
|
|
|
if (substr($to, -1) != "/") {
|
|
|
|
$to .= "/";
|
|
|
|
}
|
|
|
|
if (!@is_dir($to)) {
|
|
|
|
@mkdir($to, $GLOBALS['cfg_dir_purview']);
|
|
|
|
}
|
|
|
|
if (!($header['external'] == 0x41FF0010) && !($header['external'] == 16)) {
|
|
|
|
if ($header['compression'] == 0) {
|
|
|
|
$fp = @fopen($to.$header['filename'], 'wb');
|
|
|
|
if (!$fp) {
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
$size = $header['compressed_size'];
|
|
|
|
while ($size != 0) {
|
|
|
|
$read_size = ($size < 2048 ? $size : 2048);
|
|
|
|
$buffer = fread($zip, $read_size);
|
|
|
|
$binary_data = pack('a'.$read_size, $buffer);
|
|
|
|
@fwrite($fp, $binary_data, $read_size);
|
|
|
|
$size -= $read_size;
|
|
|
|
}
|
|
|
|
fclose($fp);
|
|
|
|
touch($to.$header['filename'], $header['mtime']);
|
|
|
|
} else {
|
|
|
|
$fp = @fopen($to.$header['filename'].'.gz', 'wb');
|
|
|
|
if (!$fp) {
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
$binary_data = pack(
|
|
|
|
'va1a1Va1a1',
|
|
|
|
0x8b1f,
|
|
|
|
Chr($header['compression']),
|
|
|
|
Chr(0x00),
|
|
|
|
time(),
|
|
|
|
Chr(0x00),
|
|
|
|
Chr(3)
|
|
|
|
);
|
|
|
|
fwrite($fp, $binary_data, 10);
|
|
|
|
$size = $header['compressed_size'];
|
|
|
|
while ($size != 0) {
|
|
|
|
$read_size = ($size < 1024 ? $size : 1024);
|
|
|
|
$buffer = fread($zip, $read_size);
|
|
|
|
$binary_data = pack('a'.$read_size, $buffer);
|
|
|
|
@fwrite($fp, $binary_data, $read_size);
|
|
|
|
$size -= $read_size;
|
|
|
|
}
|
|
|
|
$binary_data = pack('VV', $header['crc'], $header['size']);
|
|
|
|
fwrite($fp, $binary_data, 8);
|
|
|
|
fclose($fp);
|
|
|
|
$gzp = @gzopen($to.$header['filename'].'.gz', 'rb') or die("Cette archive est compress");
|
|
|
|
if (!$gzp) {
|
|
|
|
return (-2);
|
|
|
|
}
|
|
|
|
$fp = @fopen($to.$header['filename'], 'wb');
|
|
|
|
if (!$fp) {
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
$size = $header['size'];
|
|
|
|
while ($size != 0) {
|
|
|
|
$read_size = ($size < 2048 ? $size : 2048);
|
|
|
|
$buffer = gzread($gzp, $read_size);
|
|
|
|
$binary_data = pack('a'.$read_size, $buffer);
|
|
|
|
@fwrite($fp, $binary_data, $read_size);
|
|
|
|
$size -= $read_size;
|
|
|
|
}
|
|
|
|
fclose($fp);
|
|
|
|
gzclose($gzp);
|
|
|
|
touch($to.$header['filename'], $header['mtime']);
|
|
|
|
@unlink($to.$header['filename'].'.gz');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
?> |