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| 1. / 2. / ...
<?PHP
// ClanSphere 2009 - www.clansphere.net
// $Id$
class zipfile
{
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0;
function unix2DosTime($unixtime = 0)
{
$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
if ($timearray['year'] < 1980)
{
$timearray['year'] = 1980;
$timearray['mon'] = 1;
$timearray['mday'] = 1;
$timearray['hours'] = 0;
$timearray['minutes'] = 0;
$timearray['seconds'] = 0;
}
return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
}
function addFile($data, $name, $time = 0)
{
$name = str_replace('\\', '/', $name);
$dtime = dechex($this->unix2DosTime($time));
$hexdtime = '\x' . $dtime[6] . $dtime[7]
. '\x' . $dtime[4] . $dtime[5]
. '\x' . $dtime[2] . $dtime[3]
. '\x' . $dtime[0] . $dtime[1];
eval('$hexdtime = "' . $hexdtime . '";');
$fr = "\x50\x4b\x03\x04";
$fr .= "\x14\x00";
$fr .= "\x00\x00";
$fr .= "\x08\x00";
$fr .= $hexdtime;
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
$c_len = strlen($zdata);
$fr .= pack('V', $crc);
$fr .= pack('V', $c_len);
$fr .= pack('V', $unc_len);
$fr .= pack('v', strlen($name));
$fr .= pack('v', 0);
$fr .= $name;
$fr .= $zdata;
$this -> datasec[] = $fr;
$cdrec = "\x50\x4b\x01\x02";
$cdrec .= "\x00\x00";
$cdrec .= "\x14\x00";
$cdrec .= "\x00\x00";
$cdrec .= "\x08\x00";
$cdrec .= $hexdtime;
$cdrec .= pack('V', $crc);
$cdrec .= pack('V', $c_len);
$cdrec .= pack('V', $unc_len);
$cdrec .= pack('v', strlen($name) );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('V', 32 );
$cdrec .= pack('V', $this -> old_offset );
$this -> old_offset += strlen($fr);
$cdrec .= $name;
$this -> ctrl_dir[] = $cdrec;
}
function file()
{
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
return
$data .
$ctrldir .
$this -> eof_ctrl_dir .
pack('v', sizeof($this -> ctrl_dir)) .
pack('v', sizeof($this -> ctrl_dir)) .
pack('V', strlen($ctrldir)) .
pack('V', strlen($data)) .
"\x00\x00";
}
}
if (@function_exists('gzcompress'))
{
$zip = isset($_REQUEST['zip']) ? '1' : 0;
$name = isset($_REQUEST['name']) ? $_REQUEST['name'] : 0;
if($zip == '1' AND $name !== '0')
{
$pattern = "=^[_a-z0-9-]+(\.[_a-z0-9-]+)?$=i";
if(!preg_match($pattern,$name))
{
die(cs_error_internal(0, 'Invalid arguments passed'));
}
$file = '../../uploads/gallery/pics/' . $name;
if(file_exists($file))
{
$handle = fopen ($file, "rb");
$contents = fread ($handle, filesize ($file));
fclose ($handle);
$zipfile = new zipfile();
$zipfile -> addFile($contents, $name);
$dump_buffer = $zipfile -> file();
$zipfilename = 'images.zip';
$handle = fopen ($zipfilename, 'wb');
fwrite($handle,$dump_buffer);
fclose ($handle);
header("Content-type: application/octet-stream");
header("Content-disposition: attachment; filename=$zipfilename");
readfile($zipfilename);
unlink($zipfilename);
}
else
{
echo 'Error: no file found!';
}
}
} |
Tress13
