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标题: [讨论]如何实现在线zip解压缩 [打印本页]

作者: valen886    时间: 2008-7-21 00:12     标题: [讨论]如何实现在线zip解压缩

[讨论]如何实现在线zip解压缩
信息来源:邪恶八进制信息安全团队(www.eviloctal.com
议题作者:antsniffer

在源码站点找到了一个PHP在线解压缩程序,经过实践,国内的空间大部分都可以正常解压缩
国外的部分空间解压缩不能完全(在含有二级文件夹的所有内容无法正常解压缩)
在线解压缩程序如下:
复制内容到剪贴板
代码:

<?php
//验证密码
$password = "123456";
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>在线解压ZIP文件程序 V1.0</title>
<style type="text/css">
<!--
body,td{
font-size: 14px;
color: #000000;
}
a {
color: #000066;
text-decoration: none;
}
a:hover {
color: #FF6600;
text-decoration: underline;
}
-->
</style>
</head>
<body>
  <form name="myform" method="post" action="<?=$_SERVER[PHP_SELF];?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
<?
if(!$_REQUEST["myaction"]):
?>
<script language="javascript">
function check_uploadObject(form){
if(form.password.value==''){
  alert('请输入密码.');
  return false;
}
return true;
}
</script>
<table width="100%" border="0" cellspacing="0" cellpadding="4">
    <tr>
      <td height="40" colspan="2" style="color:#FF9900"><p><font color="#FF0000">在线解压ZIP文件程序 V1.0</font></p>
      <p>使用方法:把zip文件通过FTP上传到本文件相同的目录下,选择zip文件;或直接点击“浏览...”上传zip文件。</p>
<p>攻略堂:http://bbs.edu.do</p>
<p>转载请注明:本程序由 <a href="http://www.softpure.com/" target="_blank">纯粹空间</a>提供,作者:faisun</p>
      <p> </p></td>
    </tr>
    <tr>
      <td width="11%">选择ZIP文件: </td>
      <td width="89%"><select name="zipfile">
        <option value="" selected>- 请选择 -</option>
<?
   $fdir = opendir('./');
while($file=readdir($fdir)){
  if(!is_file($file)) continue;
  if(preg_match('/\.zip$/mis',$file)){
   echo "<option value='$file'>$file</option>\r\n";
  }
}
?>
      </select></td>
    </tr>
    <tr>
      <td width="11%" nowrap>或上传文件: </td>
      <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
    </tr>
<tr>
      <td>解压到目录: </td>
      <td><input name="todir" type="text" id="todir" value="__unzipfiles__" size="15">
      (留空为本目录,必须有写入权限)</td>
    </tr>
<tr>
      <td>验证密码: </td>
      <td><input name="password" type="password" id="password" size="15">
        (源文件中设定的密码)</td>
    </tr>
    <tr>
      <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
      <td><input type="submit" name="Submit" value=" 解 压 "></td>
    </tr>
  </table>
<?
elseif($_REQUEST["myaction"]=="dounzip"):
class zip
{
var $total_files = 0;
var $total_folders = 0;
function Extract ( $zn, $to, $index = Array(-1) )
{
   $ok = 0; $zip = @fopen($zn,'rb');
   if(!$zip) return(-1);
   $cdir = $this->ReadCentralDir($zip,$zn);
   $pos_entry = $cdir['offset'];
   if(!is_array($index)){ $index = array($index);  }
   for($i=0; $index[$i];$i++){
     if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])
  return(-1);
   }
   for ($i=0; $i<$cdir['entries']; $i++)
   {
     @fseek($zip, $pos_entry);
     $header = $this->ReadCentralFileHeaders($zip);
     $header['index'] = $i; $pos_entry = ftell($zip);
     @rewind($zip); fseek($zip, $header['offset']);
     if(in_array("-1",$index)||in_array($i,$index))
      $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
   }
   fclose($zip);
   return $stat;
}
  function ReadFileHeader($zip)
  {
    $binary_data = fread($zip, 30);
    $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
    $header['filename'] = fread($zip, $data['filename_len']);
    if ($data['extra_len'] != 0) {
      $header['extra'] = fread($zip, $data['extra_len']);
    } else { $header['extra'] = ''; }
    $header['compression'] = $data['compression'];$header['size'] = $data['size'];
    $header['compressed_size'] = $data['compressed_size'];
    $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];
    $header['mdate'] = $data['mdate'];$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 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++;
}

$fdata=fread($zip,18);

$data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata);

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);

if(substr($to,-1)!="/") $to.="/";
if($to=='./') $to = '';
$pth = explode("/",$to.$header['filename']);
$mydir = '';
for($i=0;$i<count($pth)-1;$i++){
  if(!$pth[$i]) continue;
  $mydir .= $pth[$i]."/";
  if((!is_dir($mydir) && @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to && $this->total_folders==0)) && is_dir($mydir)) ){
   @chmod($mydir,0777);
   $this->total_folders ++;
   echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";
  }
}

if(strrchr($header['filename'],'/')=='/') return;
if (!($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.$header['filename'].'.gz','rb') or die("Cette archive est compress閑");
   if(!$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');
   
  }
}

$this->total_files ++;
echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
return true;
}
// end class
}
set_time_limit(0);
if ($_POST['password'] != $password) die("输入的密码不正确,请重新输入。");
if(!$_POST["todir"]) $_POST["todir"] = ".";
$z = new Zip;
$have_zip_file = 0;
function start_unzip($tmp_name,$new_name,$checked){
  global $_POST,$z,$have_zip_file;
  $upfile = array("tmp_name"=>$tmp_name,"name"=>$new_name);
  if(is_file($upfile[tmp_name])){
   $have_zip_file = 1;
   echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' ".($checked?"checked":"")."> $upfile[name]<br><br>";
   if(preg_match('/\.zip$/mis',$upfile[name])){
    $result=$z->Extract($upfile[tmp_name],$_POST["todir"]);
    if($result==-1){
     echo "<br>文件 $upfile[name] 错误.<br>";
    }
    echo "<br>完成,共建立 $z->total_folders 个目录,$z->total_files 个文件.<br><br><br>";
   }else{
    echo "<br>$upfile[name] 不是 zip 文件.<br><br>";   
   }
   if(realpath($upfile[name])!=realpath($upfile[tmp_name])){
    @unlink($upfile[name]);
    rename($upfile[tmp_name],$upfile[name]);
   }
  }
}
clearstatcache();

start_unzip($_POST["zipfile"],$_POST["zipfile"],0);
start_unzip($_FILES["upfile"][tmp_name],$_FILES["upfile"][name],1);
if(!$have_zip_file){
  echo "<br>请选择或上传文件.<br>";
}
?>
<input name="password" type="hidden" id="password" value="<?=$_POST['password'];?>">
<input name="myaction" type="hidden" id="myaction" value="dodelete">
<input name="按钮" type="button" value="返回" onclick="window.location='<?=$_SERVER[PHP_SELF];?>';">
<input type='button' value='反选' onclick='selrev();'> <input type='submit' onclick='return confirm("删除选定文件?");' value='删除选定'>
<script language='javascript'>
function selrev() {
with(document.myform) {
  for(i=0;i<elements.length;i++) {
   thiselm = elements;
   if(thiselm.name.match(/dfile\[]/)) thiselm.checked = !thiselm.checked;
  }
}
}
alert('完成.');
</script>
<?
elseif($_REQUEST["myaction"]=="dodelete"):
set_time_limit(0);
if ($_POST['password'] != $password) die("输入的密码不正确,请重新输入。");

$dfile = $_POST["dfile"];
echo "正在删除文件...<br><br>";
if(is_array($dfile)){
  for($i=count($dfile)-1;$i>=0;$i--){
   if(is_file($dfile[$i])){
    if(@unlink($dfile[$i])){
     echo "已删除文件: $dfile[$i]<br>";
    }else{
     echo "删除文件失败: $dfile[$i]<br>";
    }
   }else{
    if(@rmdir($dfile[$i])){
     echo "已删除目录: $dfile[$i]<br>";
    }else{
     echo "删除目录失败: $dfile[$i]<br>";
    }   
   }
   
  }
}
echo "<br>完成.<br><br><input type='button' value='返回' onclick=\"window.location='$_SERVER[PHP_SELF]';\"><br><br>
   <script language='javascript'>('完成.');</script>";
endif;
?>
  </form>
</body>
</html>
这里还麻烦熟悉此类的朋友,帮忙修改代码,使其能够正常运行

如果您需要测试可以去freeweb7.com免费注册一个空间测试(非广告)
帖子5 精华0 积分14 阅读权限40 在线时间4 小时 注册时间2007-6-12 最后登录2008-3-17 查看详细资料引用 报告 回复 TOP 爱要怎么说出口

syspro
晶莹剔透§烈日灼然
作者: ming312    时间: 2008-7-21 00:12

是不是和空间的权限设置有关系。
帖子16 精华0 积分26 阅读权限40 在线时间16 小时 注册时间2008-3-8 最后登录2008-6-30 查看详细资料引用 报告 回复 TOP 您知道您年薪应是多少?

antsniffer
晶莹剔透§烈日灼然




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