1 files changed, 137 insertions, 0 deletions
diff --git a/lib/private/archive.php b/lib/private/archive.php
new file mode 100644
index 00000000000..85bfae57295
--- /dev/null
+++ b/lib/private/archive.php
@@ -0,0 +1,137 @@
+<?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{
+	/**
+	 * open any of the supported archive types
+	 * @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);
+	/**
+	 * 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($path);
+	/**
+	 * extract a single file from the archive
+	 * @param string path
+	 * @param string dest
+	 * @return bool
+	 */
+	abstract function extractFile($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);
+	/**
+	 * add a folder and all its content
+	 * @param string $path
+	 * @param string source
+	 * @return bool
+	 */
+	function addRecursive($path, $source) {
+		$dh = opendir($source);
+		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);
+				}
+			}
+		}
+	}
+}