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<?php
////////////////////////////////////////////////////////////////////////////////
//BOCA Online Contest Administrator
// Copyright (C) 2003-2012 by BOCA Development Team (bocasystem@gmail.com)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
//Last updated 21/jul/2012 by cassio@ime.usp.br
require_once('hex.php');
function create_zip($folder,$files,$destination,$msg=false,$zip=null) {
if(!function_exists('zip_open')) {
MSGError("Zip file error -- zip not installed (" . getFunctionName() .")");
LogError("Zip file error -- zip not installed (" . getFunctionName() .")");
}
$ds = DIRECTORY_SEPARATOR;
if($ds=="") $ds = "/";
$dest=null;
if($zip == null) {
$zip = new ZipArchive();
if($zip->open($destination,ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE) !== true) {
return -1;
}
$dest=$destination;
$destination='.';
}
foreach($files as $file) {
if($msg)
echo "Packing file " . $file . "\n";
if(($pos = strrpos($file,$ds))!==false)
$file = substr($file,$pos+1);
if (is_dir($folder . $ds . $file) === true) {
$zip->addEmptyDir($file);
create_zip($folder . $ds . $file,
glob($folder . $ds . $file . $ds . '*'),$file,$msg,$zip);
}
else if (is_file($folder . $ds . $file) === true) {
$zip->addFile($folder . $ds . $file, $destination . $ds . $file);
}
}
if($dest != null) {
$zip->close();
if(file_exists($dest)) return 1; else return 0;
} else return 1;
}
function unzipstr($str,$txt='') {
$str = gzuncompress($str);
$pos = strrpos($str,"#");
$test2 = substr($str,$pos+1);
$str = substr($str,0,$pos);
$test1 = myshorthash($str);
if($test1 != $test2) {
if($txt=='')
MSGError("Decompression error (" . getFunctionName() .")");
LogError("Decompression error (" . getFunctionName() .",$txt)");
return "";
}
return $str;
}
function zipstr($str) {
if(!function_exists('gzcompress')) {
MSGError("Compression error -- zlib not installed (" . getFunctionName() .")");
LogError("Compression error -- zlib not installed (" . getFunctionName() .")");
}
return gzcompress($str . '#' . myshorthash($str));
}
?>
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