diff options
Diffstat (limited to 'apps/files_archive/lib')
-rw-r--r-- | apps/files_archive/lib/archive.php | 16 | ||||
-rw-r--r-- | apps/files_archive/lib/storage.php | 6 | ||||
-rw-r--r-- | apps/files_archive/lib/tar.php | 277 | ||||
-rw-r--r-- | apps/files_archive/lib/zip.php | 34 |
4 files changed, 324 insertions, 9 deletions
diff --git a/apps/files_archive/lib/archive.php b/apps/files_archive/lib/archive.php index be89f894fb7..113f92e9604 100644 --- a/apps/files_archive/lib/archive.php +++ b/apps/files_archive/lib/archive.php @@ -17,6 +17,15 @@ abstract class OC_Archive{ switch($ext){ case '.zip': return new OC_Archive_ZIP($path); + case '.gz': + case '.bz': + case '.bz2': + if(strpos($path,'.tar.')){ + return new OC_Archive_TAR($path); + } + break; + case '.tgz': + return new OC_Archive_TAR($path); } } @@ -78,6 +87,13 @@ abstract class OC_Archive{ */ abstract function extractFile($path,$dest); /** + * extract the archive + * @param string path + * @param string dest + * @return bool + */ + abstract function extract($dest); + /** * check if a file or folder exists in the archive * @param string path * @return bool diff --git a/apps/files_archive/lib/storage.php b/apps/files_archive/lib/storage.php index 72a96ca5a5d..700d9633042 100644 --- a/apps/files_archive/lib/storage.php +++ b/apps/files_archive/lib/storage.php @@ -125,7 +125,7 @@ class OC_Filestorage_Archive extends OC_Filestorage_Common{ self::$rootView=new OC_FilesystemView(''); } self::$enableAutomount=false;//prevent recursion - $supported=array('zip'); + $supported=array('zip','tar.gz','tar.bz2','tgz'); foreach($supported as $type){ $ext='.'.$type.'/'; if(($pos=strpos(strtolower($path),$ext))!==false){ @@ -139,4 +139,8 @@ class OC_Filestorage_Archive extends OC_Filestorage_Common{ } self::$enableAutomount=true; } + + public function rename($path1,$path2){ + return $this->archive->rename($path1,$path2); + } } diff --git a/apps/files_archive/lib/tar.php b/apps/files_archive/lib/tar.php new file mode 100644 index 00000000000..1eed11a762d --- /dev/null +++ b/apps/files_archive/lib/tar.php @@ -0,0 +1,277 @@ +<?php +/** + * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com> + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ + +class OC_Archive_TAR extends OC_Archive{ + const PLAIN=0; + const GZIP=1; + const BZIP=2; + + /** + * @var Archive_Tar tar + */ + private $tar=null; + private $path; + + function __construct($source){ + $types=array(null,'gz','bz'); + $this->path=$source; + $this->tar=new Archive_Tar($source,$types[self::getTarType($source)]); + } + + /** + * try to detect the type of tar compression + * @param string file + * @return str + */ + static public function getTarType($file){ + if(strpos($file,'.')){ + $extension=substr($file,strrpos($file,'.')); + switch($extension){ + case 'gz': + case 'tgz': + return self::GZIP; + case 'bz': + case 'bz2': + return self::BZIP; + default: + return self::PLAIN; + } + }else{ + return self::PLAIN; + } + } + + /** + * add an empty folder to the archive + * @param string path + * @return bool + */ + function addFolder($path){ + $tmpBase=get_temp_dir().'/'; + if(substr($path,-1,1)!='/'){ + $path.='/'; + } + if($this->fileExists($path)){ + return false; + } + mkdir($tmpBase.$path); + $result=$this->tar->addModify(array($tmpBase.$path),'',$tmpBase); + rmdir($tmpBase.$path); + return $result; + } + /** + * add a file to the archive + * @param string path + * @param string source either a local file or string data + * @return bool + */ + function addFile($path,$source=''){ + if($this->fileExists($path)){ + $this->remove($path); + } + if(file_exists($source)){ + $header=array(); + $dummy=''; + $this->tar->_openAppend(); + $result=$this->tar->_addfile($source,$header,$dummy,$dummy,$path); + }else{ + $result=$this->tar->addString($path,$source); + } + return $result; + } + + /** + * rename a file or folder in the archive + * @param string source + * @param string dest + * @return bool + */ + function rename($source,$dest){ + //no proper way to delete, rename entire archive, rename file and remake archive + $tmp=OC_Helper::tmpFolder(); + $this->tar->extract($tmp); + rename($tmp.$source,$tmp.$dest); + $this->tar=null; + unlink($this->path); + $types=array(null,'gz','bz'); + $this->tar=new Archive_Tar($this->path,$types[self::getTarType($this->path)]); + $this->tar->createModify(array($tmp),'',$tmp.'/'); + } + + private function getHeader($file){ + $headers=$this->tar->listContent(); + foreach($headers as $header){ + if($file==$header['filename'] or $file.'/'==$header['filename']){ + return $header; + } + } + return null; + } + + /** + * get the uncompressed size of a file in the archive + * @param string path + * @return int + */ + function filesize($path){ + $stat=$this->getHeader($path); + return $stat['size']; + } + /** + * get the last modified time of a file in the archive + * @param string path + * @return int + */ + function mtime($path){ + $stat=$this->getHeader($path); + return $stat['mtime']; + } + + /** + * get the files in a folder + * @param path + * @return array + */ + function getFolder($path){ + $files=$this->getFiles(); + $folderContent=array(); + $pathLength=strlen($path); + foreach($files as $file){ + if(substr($file,0,$pathLength)==$path and $file!=$path){ + if(strrpos(substr($file,0,-1),'/')<=$pathLength){ + $folderContent[]=substr($file,$pathLength); + } + } + } + return $folderContent; + } + /** + *get all files in the archive + * @return array + */ + function getFiles(){ + $headers=$this->tar->listContent(); + $files=array(); + foreach($headers as $header){ + $files[]=$header['filename']; + } + return $files; + } + /** + * get the content of a file + * @param string path + * @return string + */ + function getFile($path){ + return $this->tar->extractInString($path); + } + /** + * extract a single file from the archive + * @param string path + * @param string dest + * @return bool + */ + function extractFile($path,$dest){ + $tmp=OC_Helper::tmpFolder(); + if(!$this->fileExists($path)){ + return false; + } + $success=$this->tar->extractList(array($path),$tmp); + if($success){ + rename($tmp.$path,$dest); + } + OC_Helper::rmdirr($tmp); + return $success; + } + /** + * extract the archive + * @param string path + * @param string dest + * @return bool + */ + function extract($dest){ + return $this->tar->extract($dest); + } + /** + * check if a file or folder exists in the archive + * @param string path + * @return bool + */ + function fileExists($path){ + return $this->getHeader($path)!==null; + } + + /** + * remove a file or folder from the archive + * @param string path + * @return bool + */ + function remove($path){ + if(!$this->fileExists($path)){ + return false; + } + //no proper way to delete, extract entire archive, delete file and remake archive + $tmp=OC_Helper::tmpFolder(); + $this->tar->extract($tmp); + OC_Helper::rmdirr($tmp.$path); + $this->tar=null; + unlink($this->path); + $this->reopen(); + $this->tar->createModify(array($tmp),'',$tmp); + return true; + } + /** + * get a file handler + * @param string path + * @param string mode + * @return resource + */ + function getStream($path,$mode){ + if(strrpos($path,'.')!==false){ + $ext=substr($path,strrpos($path,'.')); + }else{ + $ext=''; + } + $tmpFile=OC_Helper::tmpFile($ext); + if($this->fileExists($path)){ + $this->extractFile($path,$tmpFile); + }elseif($mode=='r' or $mode=='rb'){ + return false; + } + if($mode=='r' or $mode=='rb'){ + return fopen($tmpFile,$mode); + }else{ + OC_CloseStreamWrapper::$callBacks[$tmpFile]=array($this,'writeBack'); + self::$tempFiles[$tmpFile]=$path; + return fopen('close://'.$tmpFile,$mode); + } + } + + private static $tempFiles=array(); + /** + * write back temporary files + */ + function writeBack($tmpFile){ + if(isset(self::$tempFiles[$tmpFile])){ + $this->addFile(self::$tempFiles[$tmpFile],$tmpFile); + unlink($tmpFile); + } + } + + /** + * reopen the archive to ensure everything is written + */ + private function reopen(){ + if($this->tar){ + $this->tar->_close(); + $this->tar=null; + } + $types=array(null,'gz','bz'); + $this->tar=new Archive_Tar($this->path,$types[self::getTarType($this->path)]); + } +} diff --git a/apps/files_archive/lib/zip.php b/apps/files_archive/lib/zip.php index eab101b3a5c..5a5bc766875 100644 --- a/apps/files_archive/lib/zip.php +++ b/apps/files_archive/lib/zip.php @@ -11,7 +11,6 @@ class OC_Archive_ZIP extends OC_Archive{ * @var ZipArchive zip */ private $zip=null; - private $contents=array(); private $success=false; private $path; @@ -56,7 +55,9 @@ class OC_Archive_ZIP extends OC_Archive{ * @return bool */ function rename($source,$dest){ - return $this->zip->renameName($source,$dest); + $source=$this->stripPath($source); + $dest=$this->stripPath($dest); + $this->zip->renameName($source,$dest); } /** * get the uncompressed size of a file in the archive @@ -99,15 +100,11 @@ class OC_Archive_ZIP extends OC_Archive{ * @return array */ function getFiles(){ - if(count($this->contents)){ - return $this->contents; - } $fileCount=$this->zip->numFiles; $files=array(); for($i=0;$i<$fileCount;$i++){ $files[]=$this->zip->getNameIndex($i); } - $this->contents=$files; return $files; } /** @@ -129,12 +126,21 @@ class OC_Archive_ZIP extends OC_Archive{ file_put_contents($dest,$fp); } /** + * extract the archive + * @param string path + * @param string dest + * @return bool + */ + function extract($dest){ + return $this->zip->extractTo($dest); + } + /** * check if a file or folder exists in the archive * @param string path * @return bool */ function fileExists($path){ - return $this->zip->locateName($path)!==false; + return ($this->zip->locateName($path)!==false) or ($this->zip->locateName($path.'/')!==false); } /** * remove a file or folder from the archive @@ -142,7 +148,11 @@ class OC_Archive_ZIP extends OC_Archive{ * @return bool */ function remove($path){ - return $this->zip->deleteName($path); + if($this->fileExists($path.'/')){ + return $this->zip->deleteName($path.'/'); + }else{ + return $this->zip->deleteName($path); + } } /** * get a file handler @@ -179,4 +189,12 @@ class OC_Archive_ZIP extends OC_Archive{ unlink($tmpFile); } } + + private function stripPath($path){ + if(substr($path,0,1)=='/'){ + return substr($path,1); + }else{ + return $path; + } + } } |