270 lines
6.9 KiB
PHP
Executable File
270 lines
6.9 KiB
PHP
Executable File
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2010 Frank Karlitschek karlitschek@kde.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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oc_require_once("lib_log.php");
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/**
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* Class for fileserver access
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*
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*/
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class OC_FILES {
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static $tmpFiles=array();
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/**
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* show a web GUI filebrowser
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*
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* @param basedir $basedir
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* @param dir $dir
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*/
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public static function showbrowser($basedir,$dir){
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echo '<div id="content"></div>';
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}
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/**
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* get the content of a directory
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* @param dir $directory
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*/
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public static function getdirectorycontent($directory){
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global $CONFIG_DATADIRECTORY;
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if(strpos($directory,$CONFIG_DATADIRECTORY)===0){
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$directory=substr($directory,strlen($CONFIG_DATADIRECTORY));
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}
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$filesfound=true;
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$content=array();
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$dirs=array();
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$file=array();
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$files=array();
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if (OC_FILESYSTEM::is_dir($directory)) {
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if ($dh = OC_FILESYSTEM::opendir($directory)) {
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while (($filename = readdir($dh)) !== false) {
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if($filename<>'.' and $filename<>'..' and substr($filename,0,1)!='.'){
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$file=array();
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$filesfound=true;
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$file['name']=$filename;
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$file['directory']=$directory;
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$stat=OC_FILESYSTEM::stat($directory.'/'.$filename);
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$file=array_merge($file,$stat);
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$file['mime']=OC_FILES::getMimeType($directory .'/'. $filename);
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$file['readable']=OC_FILESYSTEM::is_readable($directory .'/'. $filename);
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$file['writeable']=OC_FILESYSTEM::is_writeable($directory .'/'. $filename);
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$file['type']=OC_FILESYSTEM::filetype($directory .'/'. $filename);
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if($file['type']=='dir'){
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$dirs[$file['name']]=$file;
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}else{
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$files[$file['name']]=$file;
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}
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}
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}
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closedir($dh);
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}
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}
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ksort($dirs);
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ksort($files);
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$content=array_merge($dirs,$files);
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if($filesfound){
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return $content;
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}else{
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return false;
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}
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}
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/**
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* return the content of a file or return a zip file containning multiply files
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*
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* @param dir $dir
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* @param file $file
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*/
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public static function get($dir,$files){
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if(strpos($files,';')){
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$files=explode(';',$files);
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}
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if(is_array($files)){
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$zip = new ZipArchive();
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$filename = sys_get_temp_dir()."/ownCloud.zip";
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if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
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exit("cannot open <$filename>\n");
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}
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foreach($files as $file){
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$file=$dir.'/'.$file;
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if(OC_FILESYSTEM::is_file($file)){
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$tmpFile=OC_FILESYSTEM::toTmpFile($file);
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self::$tmpFiles[]=$tmpFile;
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$zip->addFile($tmpFile,basename($file));
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}elseif(OC_FILESYSTEM::is_dir($file)){
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zipAddDir($file,$zip);
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}
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}
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$zip->close();
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}elseif(OC_FILESYSTEM::is_dir($dir.'/'.$files)){
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$zip = new ZipArchive();
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$filename = sys_get_temp_dir()."/ownCloud.zip";
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if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
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exit("cannot open <$filename>\n");
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}
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$file=$dir.'/'.$files;
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zipAddDir($file,$zip);
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$zip->close();
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}else{
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$zip=false;
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$filename=$dir.'/'.$files;
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}
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header('Content-Disposition: attachment; filename='.basename($filename));
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header('Content-Transfer-Encoding: binary');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Pragma: public');
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header('Content-Length: ' . filesize($filename));
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if(!$zip){
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$filename=OC_FILESYSTEM::toTmpFile($filename);
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}
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ob_end_clean();
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OC_LOG::event($_SESSION['username'],3,"$dir/$files");
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readfile($filename);
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unlink($filename);
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foreach(self::$tmpFiles as $tmpFile){
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if(file_exists($tmpFile) and is_file($tmpFile)){
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unlink($tmpFile);
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}
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}
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}
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/**
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* move a file or folder
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*
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* @param dir $sourceDir
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* @param file $source
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* @param dir $targetDir
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* @param file $target
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*/
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public static function move($sourceDir,$source,$targetDir,$target){
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if(OC_USER::isLoggedIn()){
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$targetFile=$targetDir.'/'.$target;
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$sourceFile=$sourceDir.'/'.$source;
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return OC_FILESYSTEM::rename($sourceFile,$targetFile);
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}
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}
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/**
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* copy a file or folder
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*
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* @param dir $sourceDir
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* @param file $source
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* @param dir $targetDir
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* @param file $target
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*/
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public static function copy($sourceDir,$source,$targetDir,$target){
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if(OC_USER::isLoggedIn()){
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$targetFile=$targetDir.'/'.$target;
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$sourceFile=$sourceDir.'/'.$source;
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return OC_FILESYSTEM::copy($sourceFile,$targetFile);
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}
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}
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/**
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* create a new file or folder
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*
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* @param dir $dir
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* @param file $name
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* @param type $type
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*/
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public static function newfile($dir,$name,$type){
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if(OC_USER::isLoggedIn()){
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$file=$dir.'/'.$name;
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if($type=='dir'){
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return OC_FILESYSTEM::mkdir($file);
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}elseif($type=='file'){
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$fileHandle=OC_FILESYSTEM::fopen($file, 'w');
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if($fileHandle){
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fclose($fileHandle);
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OC_LOG::event($_SESSION['username'],4,"$dir/$name");
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return true;
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}else{
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return false;
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}
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}
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}
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}
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/**
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* deletes a file or folder
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*
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* @param dir $dir
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* @param file $name
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*/
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public static function delete($dir,$file){
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if(OC_USER::isLoggedIn()){
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$file=$dir.'/'.$file;
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if(OC_FILESYSTEM::is_file($file)){
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return OC_FILESYSTEM::unlink($file);
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}elseif(OC_FILESYSTEM::is_dir($file)){
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return OC_FILESYSTEM::delTree($file);
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}
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}
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}
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/**
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* try to detect the mime type of a file
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*
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* @param string path
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* @return string guessed mime type
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*/
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static function getMimeType($path){
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return OC_FILESYSTEM::getMimeType($path);
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}
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}
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function zipAddDir($dir,$zip,$internalDir=''){
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$dirname=basename($dir);
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$zip->addEmptyDir($internalDir.$dirname);
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$internalDir.=$dirname.='/';
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$files=OC_FILES::getdirectorycontent($dir);
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foreach($files as $file){
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$filename=$file['name'];
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$file=$dir.'/'.$filename;
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if(OC_FILESYSTEM::is_file($file)){
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$tmpFile=OC_FILESYSTEM::toTmpFile($file);
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OC_FILES::$tmpFiles[]=$tmpFile;
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$zip->addFile($tmpFile,$internalDir.$filename);
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}elseif(OC_FILESYSTEM::is_dir($file)){
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zipAddDir($file,$zip,$internalDir);
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}
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}
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}
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if(!function_exists('sys_get_temp_dir')) {
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function sys_get_temp_dir() {
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if( $temp=getenv('TMP') ) return $temp;
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if( $temp=getenv('TEMP') ) return $temp;
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if( $temp=getenv('TMPDIR') ) return $temp;
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$temp=tempnam(__FILE__,'');
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if (file_exists($temp)) {
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unlink($temp);
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return dirname($temp);
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}
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return null;
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}
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}
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?>
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