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Robin Appelman authoredRobin Appelman authored
lib_files.php 9.73 KiB
<?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/>.
*
*/
oc_require_once("lib_log.php");
/**
* Class for fileserver access
*
*/
class OC_FILES {
static $tmpFiles=array();
/**
* show a web GUI filebrowser
*
* @param basedir $basedir
* @param dir $dir
*/
public static function showBrowser($basedir,$dir){
echo '<div id="content"></div>';
}
/**
* get the content of a directory
* @param dir $directory
*/
public static function getDirectoryContent($directory){
global $CONFIG_DATADIRECTORY;
if(strpos($directory,$CONFIG_DATADIRECTORY)===0){
$directory=substr($directory,strlen($CONFIG_DATADIRECTORY));
}
$filesfound=true;
$content=array();
$dirs=array();
$file=array();
$files=array();
if(OC_FILESYSTEM::is_dir($directory)) {
if ($dh = OC_FILESYSTEM::opendir($directory)) {
while (($filename = readdir($dh)) !== false) {
if($filename<>'.' and $filename<>'..' and substr($filename,0,1)!='.'){
$file=array();
$filesfound=true;
$file['name']=$filename;
$file['directory']=$directory;
$stat=OC_FILESYSTEM::stat($directory.'/'.$filename);
$file=array_merge($file,$stat);
$file['mime']=OC_FILES::getMimeType($directory .'/'. $filename);
$file['readable']=OC_FILESYSTEM::is_readable($directory .'/'. $filename);
$file['writeable']=OC_FILESYSTEM::is_writeable($directory .'/'. $filename);
$file['type']=OC_FILESYSTEM::filetype($directory .'/'. $filename); if($file['type']=='dir'){
$dirs[$file['name']]=$file;
}else{
$files[$file['name']]=$file;
}
}
}
closedir($dh);
}
}
ksort($dirs);
ksort($files);
$content=array_merge($dirs,$files);
if($filesfound){
return $content;
}else{
return false;
}
}
/**
* return the content of a file or return a zip file containning multiply files
*
* @param dir $dir
* @param file $file
*/
public static function get($dir,$files){
if(strpos($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){
$file=$dir.'/'.$file;
if(OC_FILESYSTEM::is_file($file)){
$tmpFile=OC_FILESYSTEM::toTmpFile($file);
self::$tmpFiles[]=$tmpFile;
$zip->addFile($tmpFile,basename($file));
}elseif(OC_FILESYSTEM::is_dir($file)){
zipAddDir($file,$zip);
}
}
$zip->close();
}elseif(OC_FILESYSTEM::is_dir($dir.'/'.$files)){
$zip = new ZipArchive();
$filename = sys_get_temp_dir()."/ownCloud.zip";
if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
exit("cannot open <$filename>\n");
}
$file=$dir.'/'.$files;
zipAddDir($file,$zip);
$zip->close();
}else{
$zip=false;
$filename=$dir.'/'.$files;
}
if($zip or OC_FILESYSTEM::is_readable($filename)){
header('Content-Disposition: attachment; filename='.basename($filename));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
if($zip){
header('Content-Type: application/zip'); header('Content-Length: ' . filesize($filename));
}else{
header('Content-Type: ' . OC_FILESYSTEM::getMimeType($filename));
header('Content-Length: ' . OC_FILESYSTEM::filesize($filename));
}
}elseif($zip or !OC_FILESYSTEM::file_exists($filename)){
header("HTTP/1.0 404 Not Found");
die('404 Not Found');
}else{
header("HTTP/1.0 403 Forbidden");
die('403 Forbidden');
}
ob_end_clean();
OC_LOG::event($_SESSION['username'],3,"$dir/$files");
if($zip){
readfile($filename);
unlink($filename);
}else{
OC_FILESYSTEM::readfile($filename);
}
foreach(self::$tmpFiles as $tmpFile){
if(file_exists($tmpFile) and is_file($tmpFile)){
unlink($tmpFile);
}
}
}
/**
* move a file or folder
*
* @param dir $sourceDir
* @param file $source
* @param dir $targetDir
* @param file $target
*/
public static function move($sourceDir,$source,$targetDir,$target){
if(OC_USER::isLoggedIn()){
$targetFile=$targetDir.'/'.$target;
$sourceFile=$sourceDir.'/'.$source;
return OC_FILESYSTEM::rename($sourceFile,$targetFile);
}
}
/**
* copy a file or folder
*
* @param dir $sourceDir
* @param file $source
* @param dir $targetDir
* @param file $target
*/
public static function copy($sourceDir,$source,$targetDir,$target){
if(OC_USER::isLoggedIn()){
$targetFile=$targetDir.'/'.$target;
$sourceFile=$sourceDir.'/'.$source;
return OC_FILESYSTEM::copy($sourceFile,$targetFile);
}
}
/**
* create a new file or folder
*
* @param dir $dir
* @param file $name
* @param type $type
*/
public static function newFile($dir,$name,$type){
if(OC_USER::isLoggedIn()){
$file=$dir.'/'.$name;
if($type=='dir'){ return OC_FILESYSTEM::mkdir($file);
}elseif($type=='file'){
$fileHandle=OC_FILESYSTEM::fopen($file, 'w');
if($fileHandle){
fclose($fileHandle);
OC_LOG::event($_SESSION['username'],4,"$dir/$name");
return true;
}else{
return false;
}
}
}
}
/**
* deletes a file or folder
*
* @param dir $dir
* @param file $name
*/
public static function delete($dir,$file){
if(OC_USER::isLoggedIn()){
$file=$dir.'/'.$file;
if(OC_FILESYSTEM::is_file($file)){
return OC_FILESYSTEM::unlink($file);
}elseif(OC_FILESYSTEM::is_dir($file)){
return OC_FILESYSTEM::delTree($file);
}
}
}
/**
* try to detect the mime type of a file
*
* @param string path
* @return string guessed mime type
*/
static function getMimeType($path){
return OC_FILESYSTEM::getMimeType($path);
}
/**
* get a file tree
*
* @param string path
* @return array
*/
static function getTree($path){
return OC_FILESYSTEM::getTree($path);
}
/**
* pull a file from a remote server
* @param string source
* @param string token
* @param string dir
* @param string file
* @return string guessed mime type
*/
static function pull($source,$token,$dir,$file){
$tmpfile=tempnam(sys_get_temp_dir(),'remoteCloudFile');
$fp=fopen($tmpfile,'w+');
$url=$source.="/files/pull.php?token=$token";
$ch=curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_exec($ch);
fclose($fp);
$info=curl_getinfo($ch);
$httpCode=$info['http_code']; curl_close($ch);
if($httpCode==200 or $httpCode==0){
OC_FILESYSTEM::fromTmpFile($tmpfile,$dir.'/'.$file);
return true;
}else{
return false;
}
}
}
function zipAddDir($dir,$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.'/'.$filename;
if(OC_FILESYSTEM::is_file($file)){
$tmpFile=OC_FILESYSTEM::toTmpFile($file);
OC_FILES::$tmpFiles[]=$tmpFile;
$zip->addFile($tmpFile,$internalDir.$filename);
}elseif(OC_FILESYSTEM::is_dir($file)){
zipAddDir($file,$zip,$internalDir);
}
}
}
//remove a dir and it's content
function delTree($dir) {
if (!file_exists($dir)) return true;
if (!is_dir($dir) || is_link($dir)) return unlink($dir);
foreach (scandir($dir) as $item) {
if ($item == '.' || $item == '..') continue;
if(is_file($dir.'/'.$item)){
unlink($dir.'/'.$item);
}elseif(is_dir($dir.'/'.$item)){
if (!delTree($dir. "/" . $item)){
return false;
};
}
}
$return=rmdir($dir);
return $return;
}
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 recursive_copy($src,$dst) {
$dir = opendir($src);
@mkdir($dst);
while(false !== ( $file = readdir($dir)) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir($src . '/' . $file) ) {
recursive_copy($src . '/' . $file,$dst . '/' . $file);
}
else {
copy($src . '/' . $file,$dst . '/' . $file); }
}
}
closedir($dir);
}
global $FAKEDIRS;
$FAKEDIRS=array();
class fakeDirStream{
private $name;
private $data;
private $index;
public function dir_opendir($path,$options){
global $FAKEDIRS;
$url=parse_url($path);
$this->name=substr($path,strlen('fakedir://'));
$this->index=0;
if(isset($FAKEDIRS[$this->name])){
$this->data=$FAKEDIRS[$this->name];
}else{
$this->data=array();
}
return true;
}
public function dir_readdir(){
if($this->index>=count($this->data)){
return false;
}
$filename=$this->data[$this->index];
$this->index++;
return $filename;
}
public function dir_closedir() {
$this->data=false;
$this->name='';
return true;
}
public function dir_rewinddir() {
$this->index=0;
return true;
}
}
stream_wrapper_register("fakedir", "fakeDirStream");
?>