142 lines
3.6 KiB
PHP
142 lines
3.6 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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class OC_Filestorage_Archive extends OC_Filestorage_Common{
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/**
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* underlying local storage used for missing functions
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* @var OC_Archive
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*/
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private $archive;
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private $path;
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private static $mounted=array();
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private static $enableAutomount=true;
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private static $rootView;
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private function stripPath($path){//files should never start with /
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if(substr($path,0,1)=='/'){
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$path=substr($path,1);
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}
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return $path;
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}
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public function __construct($params){
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$this->archive=OC_Archive::open($params['archive']);
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$this->path=$params['archive'];
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}
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public function mkdir($path){
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$path=$this->stripPath($path);
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return $this->archive->addFolder($path);
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}
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public function rmdir($path){
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$path=$this->stripPath($path);
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return $this->archive->remove($path.'/');
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}
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public function opendir($path){
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$path=$this->stripPath($path);
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$content=$this->archive->getFolder($path);
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foreach($content as &$file){
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if(substr($file,-1)=='/'){
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$file=substr($file,0,-1);
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}
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}
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$id=md5($this->path.$path);
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OC_FakeDirStream::$dirs[$id]=$content;
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return opendir('fakedir://'.$id);
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}
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public function stat($path){
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$ctime=filectime($this->path);
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$path=$this->stripPath($path);
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if($path==''){
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$stat=stat($this->path);
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}else{
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if($this->is_dir($path)){
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$stat=array('size'=>0);
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$stat['mtime']=filemtime($this->path);
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}else{
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$stat=array();
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$stat['mtime']=$this->archive->mtime($path);
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$stat['size']=$this->archive->filesize($path);
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}
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}
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$stat['ctime']=$ctime;
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return $stat;
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}
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public function filetype($path){
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$path=$this->stripPath($path);
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if($path==''){
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return 'dir';
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}
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if(substr($path,-1)=='/'){
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return $this->archive->fileExists($path)?'dir':'file';
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}else{
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return $this->archive->fileExists($path.'/')?'dir':'file';
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}
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}
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public function is_readable($path){
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return is_readable($this->path);
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}
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public function is_writable($path){
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return is_writable($this->path);
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}
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public function file_exists($path){
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$path=$this->stripPath($path);
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if($path==''){
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return file_exists($this->path);
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}
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return $this->archive->fileExists($path) or $this->archive->fileExists($path.'/');
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}
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public function unlink($path){
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$path=$this->stripPath($path);
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return $this->archive->remove($path);
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}
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public function fopen($path,$mode){
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$path=$this->stripPath($path);
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return $this->archive->getStream($path,$mode);
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}
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public function free_space($path){
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return 0;
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}
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public function touch($path, $mtime=null){
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if(is_null($mtime)){
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$tmpFile=OC_Helper::tmpFile();
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$this->archive->extractFile($path,$tmpFile);
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$this->archive->addfile($path,$tmpFile);
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}else{
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return false;//not supported
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}
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}
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/**
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* automount paths from file hooks
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* @param aray params
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*/
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public static function autoMount($params){
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if(!self::$enableAutomount){
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return;
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}
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$path=$params['path'];
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if(!self::$rootView){
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self::$rootView=new OC_FilesystemView('');
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}
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self::$enableAutomount=false;//prevent recursion
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$supported=array('zip');
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foreach($supported as $type){
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$ext='.'.$type.'/';
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if(($pos=strpos(strtolower($path),$ext))!==false){
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$archive=substr($path,0,$pos+strlen($ext)-1);
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if(self::$rootView->file_exists($archive) and array_search($archive,self::$mounted)===false){
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$localArchive=self::$rootView->getLocalFile($archive);
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OC_Filesystem::mount('OC_Filestorage_Archive',array('archive'=>$localArchive),$archive.'/');
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self::$mounted[]=$archive;
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}
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}
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}
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self::$enableAutomount=true;
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}
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}
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