nextcloud/lib/archive.php

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<?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.
*/
abstract class OC_Archive{
/**
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* open any of the supported archive types
* @param string path
* @return OC_Archive
*/
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public static function open($path) {
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$ext=substr($path, strrpos($path, '.'));
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switch($ext) {
case '.zip':
return new OC_Archive_ZIP($path);
case '.gz':
case '.bz':
case '.bz2':
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if(strpos($path, '.tar.')) {
return new OC_Archive_TAR($path);
}
break;
case '.tgz':
return new OC_Archive_TAR($path);
}
}
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abstract function __construct($source);
/**
* add an empty folder to the archive
* @param string path
* @return bool
*/
abstract function addFolder($path);
/**
* add a file to the archive
* @param string path
* @param string source either a local file or string data
* @return bool
*/
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abstract function addFile($path, $source='');
/**
* rename a file or folder in the archive
* @param string source
* @param string dest
* @return bool
*/
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abstract function rename($source, $dest);
/**
* get the uncompressed size of a file in the archive
* @param string path
* @return int
*/
abstract function filesize($path);
/**
* get the last modified time of a file in the archive
* @param string path
* @return int
*/
abstract function mtime($path);
/**
* get the files in a folder
* @param path
* @return array
*/
abstract function getFolder($path);
/**
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* get all files in the archive
* @return array
*/
abstract function getFiles();
/**
* get the content of a file
* @param string path
* @return string
*/
abstract function getFile($path);
/**
* extract a single file from the archive
* @param string path
* @param string dest
* @return bool
*/
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abstract function extractFile($path, $dest);
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/**
* extract the archive
* @param string path
* @param string dest
* @return bool
*/
abstract function extract($dest);
/**
* check if a file or folder exists in the archive
* @param string path
* @return bool
*/
abstract function fileExists($path);
/**
* remove a file or folder from the archive
* @param string path
* @return bool
*/
abstract function remove($path);
/**
* get a file handler
* @param string path
* @param string mode
* @return resource
*/
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abstract function getStream($path, $mode);
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/**
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* add a folder and all its content
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* @param string $path
* @param string source
* @return bool
*/
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function addRecursive($path, $source) {
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if($dh=opendir($source)) {
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$this->addFolder($path);
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while($file=readdir($dh)) {
if($file=='.' or $file=='..') {
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continue;
}
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if(is_dir($source.'/'.$file)) {
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$this->addRecursive($path.'/'.$file, $source.'/'.$file);
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}else{
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$this->addFile($path.'/'.$file, $source.'/'.$file);
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}
}
}
}
}