server/files/get_file.php

108 lines
No EOL
3.3 KiB
PHP

<?php
/**
* ownCloud - ajax frontend
*
* @author Robin Appelman
* @copyright 2010 Robin Appelman icewind1991@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
//not this file is for getting files themselves, get_files.php is for getting a list of files.
require_once('../inc/lib_base.php');
if(!function_exists('sys_get_temp_dir')) {
function sys_get_temp_dir() {
if( $temp=getenv('TMP') ) return $temp;
if( $temp=getenv('TEMP') ) return $temp;
if( $temp=getenv('TMPDIR') ) return $temp;
$temp=tempnam(__FILE__,'');
if (file_exists($temp)) {
unlink($temp);
return dirname($temp);
}
return null;
}
}
function addDir($dir,$zip,$internalDir=''){
$dirname=basename($dir);
$zip->addEmptyDir($internalDir.$dirname);
$internalDir.=$dirname.='/';
$files=OC_FILES::getdirectorycontent($dir);
foreach($files as $file){
$filename=$file['name'];
$file=$dir.'/'.$filename;
if(is_file($file)){
$zip->addFile($file,$internalDir.$filename);
}elseif(is_dir($file)){
addDir($file,$zip,$internalDir);
}
}
}
$files=$_GET['files'];
$dir=(isset($_GET['dir']))?$_GET['dir']:'';
if(strstr($files,'..') or strstr($dir,'..')){
die();
}
if(strpos($files,',')){
$files=explode(',',$files);
}
if(is_array($files)){
$zip = new ZipArchive();
$filename = sys_get_temp_dir()."/ownCloud.zip";
if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
exit("cannot open <$filename>\n");
}
foreach($files as $file){
$file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
if(is_file($file)){
$zip->addFile($file,basename($file));
}elseif(is_dir($file)){
addDir($file,$zip);
}
}
$zip->close();
}elseif(is_dir($CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files)){
$zip = new ZipArchive();
$filename = sys_get_temp_dir()."/ownCloud.zip";
if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
exit("cannot open <$filename>\n");
}
$file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files;
addDir($file,$zip);
$zip->close();
}else{
$zip=false;
$filename=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files;
}
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($filename));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
ob_end_clean();
readfile($filename);
if($zip){
unlink($filename);
}
?>