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sources/lib/private/archive.php 2.94 KB
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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
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  	 * @param string path
  	 * @return OC_Archive
  	 */
  	public static function open($path) {
  		$ext=substr($path, strrpos($path, '.'));
  		switch($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);
  		}
  	}
  
  	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
  	 */
  	abstract function addFile($path, $source='');
  	/**
  	 * rename a file or folder in the archive
  	 * @param string source
  	 * @param string dest
  	 * @return bool
  	 */
  	abstract function rename($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
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  	 * @return array
  	 */
  	abstract function getFiles();
  	/**
  	 * get the content of a file
  	 * @param string path
  	 * @return string
  	 */
  	abstract function getFile($path);
  	/**
  	 * extract a single file from the archive
  	 * @param string path
  	 * @param string dest
  	 * @return bool
  	 */
  	abstract function extractFile($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
  	 */
  	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
  	 */
  	abstract function getStream($path, $mode);
  	/**
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  	 * add a folder and all its content
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  	 * @param string $path
  	 * @param string source
  	 * @return bool
  	 */
  	function addRecursive($path, $source) {
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  		$dh = opendir($source);
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  		if(is_resource($dh)) {
  			$this->addFolder($path);
  			while (($file = readdir($dh)) !== false) {
  				if($file=='.' or $file=='..') {
  					continue;
  				}
  				if(is_dir($source.'/'.$file)) {
  					$this->addRecursive($path.'/'.$file, $source.'/'.$file);
  				}else{
  					$this->addFile($path.'/'.$file, $source.'/'.$file);
  				}
  			}
  		}
  	}
  }