nextcloud/inc/lib_files.php

126 lines
3.7 KiB
PHP
Executable File

<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.org
*
* 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/>.
*
*/
/**
* Class for fileserver access
*
*/
class OC_FILES {
/**
* show a web GUI filebrowser
*
* @param basedir $basedir
* @param dir $dir
*/
public static function showbrowser($basedir,$dir){
global $CONFIG_DATEFORMAT;
$directory=$basedir.'/'.$dir;
// exit if try to access files outside our directory
if(strstr($dir,'..')<>false) exit();
$directory=realpath($directory);
$dirs=explode('/',$dir);
// breadcrumb
if(count($dirs)>1) {
echo('<center><table cellpadding="2" cellspacing="0" border="0"><tr>');
echo('<td class="nametext"><a href="/">home</a></td>');
$currentdir='';
foreach($dirs as $d) {
$currentdir.='/'.$d.'';
if($d<>'') echo('<td class="nametext"><a href="/?dir='.$currentdir.'"><img src="/img/arrow.png" border="0" />&nbsp;'.$d.'</a></td>');
}
echo('</tr></table></center>');
}
// files and directories
echo('<center><table cellpadding="6" cellspacing="0" border="0" class="browser">');
$filesfound=false;
if (is_dir($directory)) {
if ($dh = opendir($directory)) {
while (($file = readdir($dh)) !== false) {
if($file<>'.' and $file<>'..'){
$filesfound=true;
$stat=stat($directory.'/'.$file);
$filetype=filetype($directory .'/'. $file);
echo('<tr class="browserline">');
OC_UTIL::showicon($filetype);
if($filetype=='dir') echo('<td class="nametext"><a href="/?dir='.$dir.'/'.$file.'">'.$file.'</a></td>');
if($filetype<>'dir') echo('<td class="nametext"><a href="/?dir='.$dir.'&file='.$file.'">'.$file.'</a></td>');
if($filetype<>'dir') echo('<td class="sizetext">'.$stat['size'].' byte</td>'); else echo('<td></td>');
echo('<td class="sizetext">'.date($CONFIG_DATEFORMAT,$stat['mtime']).'</td>');
echo('</tr>');
}
}
closedir($dh);
}
}
echo('</table>');
if(!$filesfound) echo('<br />no files here');
echo('</center>');
}
/**
* return the cntent of a file
*
* @param dir $dir
* @param file $file
*/
public static function get($dir,$file){
if(isset($_SESSION['username']) and $_SESSION['username']<>'') {
global $CONFIG_DATADIRECTORY;
$filename=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
// exit if try to access files outside our directory
if(strstr($filename,'..')<>false) exit();
OC_LOG::event($_SESSION['username'],3,$dir.'/'.$file);
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($file));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
readfile($filename);
}
exit;
}
}
?>