2012-03-28 20:32:51 +00:00
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<?php
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/**
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2016-07-21 15:07:57 +00:00
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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2015-03-26 10:44:34 +00:00
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* @author Bart Visscher <bartv@thisnet.nl>
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2016-01-12 14:02:16 +00:00
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* @author Christian Weiske <cweiske@cweiske.de>
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2015-03-26 10:44:34 +00:00
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* @author Christopher Schäpers <kondou@ts.unde.re>
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2016-07-21 15:07:57 +00:00
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* @author Joas Schilling <coding@schilljs.com>
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2015-03-26 10:44:34 +00:00
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Remco Brenninkmeijer <requist1@starmail.nl>
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2016-07-21 16:13:36 +00:00
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* @author Robin Appelman <robin@icewind.nl>
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2016-01-12 14:02:16 +00:00
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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2016-07-21 15:07:57 +00:00
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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2015-03-26 10:44:34 +00:00
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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2012-03-28 20:32:51 +00:00
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*/
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2015-02-26 10:37:37 +00:00
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2016-05-02 05:23:14 +00:00
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namespace OC\Archive;
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2017-01-03 16:26:44 +00:00
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use Icewind\Streams\CallbackWrapper;
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2016-05-02 07:43:17 +00:00
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class TAR extends Archive {
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2014-08-16 20:13:53 +00:00
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const PLAIN = 0;
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const GZIP = 1;
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const BZIP = 2;
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2012-05-17 23:54:02 +00:00
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private $fileList;
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2012-10-05 10:29:27 +00:00
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private $cachedHeaders;
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2012-08-29 06:38:33 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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2016-05-02 05:23:14 +00:00
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* @var \Archive_Tar tar
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2012-03-28 20:32:51 +00:00
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*/
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2014-08-16 20:13:53 +00:00
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private $tar = null;
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2012-03-28 20:32:51 +00:00
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private $path;
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2014-02-19 08:31:54 +00:00
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/**
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* @param string $source
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*/
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2017-07-23 19:03:26 +00:00
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public function __construct($source) {
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2015-09-18 20:54:19 +00:00
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$types = array(null, 'gz', 'bz2');
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2014-08-16 20:13:53 +00:00
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$this->path = $source;
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2016-05-02 05:23:14 +00:00
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$this->tar = new \Archive_Tar($source, $types[self::getTarType($source)]);
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2012-03-28 20:32:51 +00:00
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}
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/**
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* try to detect the type of tar compression
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $file
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2014-02-06 15:30:58 +00:00
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* @return integer
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2012-03-28 20:32:51 +00:00
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*/
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2012-09-07 13:22:01 +00:00
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static public function getTarType($file) {
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2014-08-16 20:13:53 +00:00
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if (strpos($file, '.')) {
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$extension = substr($file, strrpos($file, '.'));
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switch ($extension) {
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2014-08-04 12:10:09 +00:00
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case '.gz':
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case '.tgz':
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2012-03-28 20:32:51 +00:00
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return self::GZIP;
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2014-08-04 12:10:09 +00:00
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case '.bz':
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case '.bz2':
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2012-03-28 20:32:51 +00:00
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return self::BZIP;
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2014-08-04 12:10:09 +00:00
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case '.tar':
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return self::PLAIN;
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2012-03-28 20:32:51 +00:00
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default:
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return self::PLAIN;
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}
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2014-08-16 20:13:53 +00:00
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} else {
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2012-03-28 20:32:51 +00:00
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return self::PLAIN;
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}
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}
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/**
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* add an empty folder to the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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2012-03-28 20:32:51 +00:00
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* @return bool
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*/
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2017-07-23 19:03:26 +00:00
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public function addFolder($path) {
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2015-12-18 10:19:53 +00:00
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$tmpBase = \OC::$server->getTempManager()->getTemporaryFolder();
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2018-01-25 21:26:47 +00:00
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$path = rtrim($path, '/') . '/';
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2014-08-16 20:13:53 +00:00
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if ($this->fileExists($path)) {
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2012-03-28 21:46:44 +00:00
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return false;
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}
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2014-08-16 20:13:53 +00:00
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$parts = explode('/', $path);
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$folder = $tmpBase;
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foreach ($parts as $part) {
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$folder .= '/' . $part;
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if (!is_dir($folder)) {
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2012-08-19 03:54:16 +00:00
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mkdir($folder);
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}
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}
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2014-08-16 20:13:53 +00:00
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$result = $this->tar->addModify(array($tmpBase . $path), '', $tmpBase);
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rmdir($tmpBase . $path);
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$this->fileList = false;
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$this->cachedHeaders = false;
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2012-03-28 21:46:44 +00:00
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return $result;
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2012-03-28 20:32:51 +00:00
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* add a file to the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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* @param string $source either a local file or string data
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2012-03-28 20:32:51 +00:00
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* @return bool
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*/
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2017-07-23 19:03:26 +00:00
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public function addFile($path, $source = '') {
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2014-08-16 20:13:53 +00:00
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if ($this->fileExists($path)) {
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2012-03-28 20:32:51 +00:00
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$this->remove($path);
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}
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2014-08-16 20:13:53 +00:00
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if ($source and $source[0] == '/' and file_exists($source)) {
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2014-08-16 20:19:01 +00:00
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$source = file_get_contents($source);
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2012-03-28 20:32:51 +00:00
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}
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2014-08-16 20:19:01 +00:00
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$result = $this->tar->addString($path, $source);
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2014-08-16 20:13:53 +00:00
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$this->fileList = false;
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$this->cachedHeaders = false;
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2012-03-28 20:32:51 +00:00
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return $result;
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}
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/**
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* rename a file or folder in the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $source
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* @param string $dest
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2012-03-28 20:32:51 +00:00
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* @return bool
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*/
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2017-07-23 19:03:26 +00:00
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public function rename($source, $dest) {
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2012-03-28 20:32:51 +00:00
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//no proper way to delete, rename entire archive, rename file and remake archive
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2016-05-02 05:23:14 +00:00
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$tmp = \OCP\Files::tmpFolder();
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2012-03-28 20:32:51 +00:00
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$this->tar->extract($tmp);
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2014-08-16 20:13:53 +00:00
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rename($tmp . $source, $tmp . $dest);
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$this->tar = null;
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2012-03-28 20:32:51 +00:00
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unlink($this->path);
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2014-08-16 20:13:53 +00:00
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$types = array(null, 'gz', 'bz');
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2016-05-02 05:23:14 +00:00
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$this->tar = new \Archive_Tar($this->path, $types[self::getTarType($this->path)]);
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2014-08-16 20:13:53 +00:00
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$this->tar->createModify(array($tmp), '', $tmp . '/');
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$this->fileList = false;
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$this->cachedHeaders = false;
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2012-05-17 23:54:02 +00:00
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return true;
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2012-03-28 20:32:51 +00:00
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}
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2014-02-19 08:31:54 +00:00
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/**
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* @param string $file
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*/
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2012-09-07 13:22:01 +00:00
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private function getHeader($file) {
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2014-08-16 20:13:53 +00:00
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if (!$this->cachedHeaders) {
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2012-10-05 10:29:27 +00:00
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$this->cachedHeaders = $this->tar->listContent();
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}
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2014-08-16 20:13:53 +00:00
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foreach ($this->cachedHeaders as $header) {
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if ($file == $header['filename']
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or $file . '/' == $header['filename']
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or '/' . $file . '/' == $header['filename']
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or '/' . $file == $header['filename']
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) {
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2012-03-28 20:32:51 +00:00
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return $header;
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}
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}
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return null;
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}
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2012-08-29 06:38:33 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* get the uncompressed size of a file in the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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2012-03-28 20:32:51 +00:00
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* @return int
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*/
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2017-07-23 19:03:26 +00:00
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public function filesize($path) {
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2014-08-16 20:13:53 +00:00
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$stat = $this->getHeader($path);
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2012-03-28 20:32:51 +00:00
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return $stat['size'];
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* get the last modified time of a file in the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-05-11 20:51:30 +00:00
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* @param string $path
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2012-03-28 20:32:51 +00:00
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* @return int
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*/
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2017-07-23 19:03:26 +00:00
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public function mtime($path) {
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2014-08-16 20:13:53 +00:00
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$stat = $this->getHeader($path);
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2012-03-28 20:32:51 +00:00
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return $stat['mtime'];
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}
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/**
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* get the files in a folder
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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2012-03-28 20:32:51 +00:00
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* @return array
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*/
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2017-07-23 19:03:26 +00:00
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public function getFolder($path) {
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2014-08-16 20:13:53 +00:00
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$files = $this->getFiles();
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$folderContent = array();
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$pathLength = strlen($path);
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foreach ($files as $file) {
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if ($file[0] == '/') {
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$file = substr($file, 1);
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2012-05-17 23:54:02 +00:00
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}
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2014-08-16 20:13:53 +00:00
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if (substr($file, 0, $pathLength) == $path and $file != $path) {
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$result = substr($file, $pathLength);
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if ($pos = strpos($result, '/')) {
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$result = substr($result, 0, $pos + 1);
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2012-05-17 23:54:02 +00:00
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}
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2014-08-16 20:13:53 +00:00
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if (array_search($result, $folderContent) === false) {
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$folderContent[] = $result;
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2012-03-28 20:32:51 +00:00
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}
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}
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}
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return $folderContent;
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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2013-07-16 03:56:52 +00:00
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* get all files in the archive
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2014-08-16 20:13:53 +00:00
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*
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2012-03-28 20:32:51 +00:00
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* @return array
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*/
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2017-07-23 19:03:26 +00:00
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public function getFiles() {
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2014-08-16 20:13:53 +00:00
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if ($this->fileList) {
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2012-05-17 23:54:02 +00:00
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return $this->fileList;
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}
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2014-08-16 20:13:53 +00:00
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if (!$this->cachedHeaders) {
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2012-10-05 10:29:27 +00:00
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$this->cachedHeaders = $this->tar->listContent();
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}
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2014-08-16 20:13:53 +00:00
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$files = array();
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foreach ($this->cachedHeaders as $header) {
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$files[] = $header['filename'];
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2012-03-28 20:32:51 +00:00
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}
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2014-08-16 20:13:53 +00:00
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$this->fileList = $files;
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2012-03-28 20:32:51 +00:00
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return $files;
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* get the content of a file
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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2012-03-28 20:32:51 +00:00
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* @return string
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*/
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2017-07-23 19:03:26 +00:00
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public function getFile($path) {
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2012-03-28 20:32:51 +00:00
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return $this->tar->extractInString($path);
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* extract a single file from the archive
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2014-08-16 20:13:53 +00:00
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*
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2014-02-08 10:47:55 +00:00
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* @param string $path
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2014-02-06 15:30:58 +00:00
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* @param string $dest
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2012-03-28 20:32:51 +00:00
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* @return bool
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*/
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2017-07-23 19:03:26 +00:00
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public function extractFile($path, $dest) {
|
2016-05-02 05:23:14 +00:00
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$tmp = \OCP\Files::tmpFolder();
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2014-08-16 20:13:53 +00:00
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if (!$this->fileExists($path)) {
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2012-03-28 21:46:44 +00:00
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return false;
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}
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2014-08-16 20:13:53 +00:00
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if ($this->fileExists('/' . $path)) {
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$success = $this->tar->extractList(array('/' . $path), $tmp);
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} else {
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$success = $this->tar->extractList(array($path), $tmp);
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2012-05-17 23:54:02 +00:00
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}
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2014-08-16 20:13:53 +00:00
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if ($success) {
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rename($tmp . $path, $dest);
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2012-03-28 20:32:51 +00:00
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}
|
2016-05-02 05:23:14 +00:00
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\OCP\Files::rmdirr($tmp);
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2012-03-28 20:32:51 +00:00
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return $success;
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}
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2014-08-16 20:13:53 +00:00
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2012-03-28 20:32:51 +00:00
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/**
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* extract the archive
|
2014-08-16 20:13:53 +00:00
|
|
|
*
|
2014-02-06 15:30:58 +00:00
|
|
|
* @param string $dest
|
2012-03-28 20:32:51 +00:00
|
|
|
* @return bool
|
|
|
|
*/
|
2017-07-23 19:03:26 +00:00
|
|
|
public function extract($dest) {
|
2012-03-28 20:32:51 +00:00
|
|
|
return $this->tar->extract($dest);
|
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
|
2012-03-28 20:32:51 +00:00
|
|
|
/**
|
|
|
|
* check if a file or folder exists in the archive
|
2014-08-16 20:13:53 +00:00
|
|
|
*
|
2014-02-08 10:47:55 +00:00
|
|
|
* @param string $path
|
2012-03-28 20:32:51 +00:00
|
|
|
* @return bool
|
|
|
|
*/
|
2017-07-23 19:03:26 +00:00
|
|
|
public function fileExists($path) {
|
2014-08-16 20:13:53 +00:00
|
|
|
$files = $this->getFiles();
|
|
|
|
if ((array_search($path, $files) !== false) or (array_search($path . '/', $files) !== false)) {
|
2012-05-17 23:54:02 +00:00
|
|
|
return true;
|
2014-08-16 20:13:53 +00:00
|
|
|
} else {
|
2018-01-25 21:26:47 +00:00
|
|
|
$folderPath = rtrim($path, '/') . '/';
|
2014-08-16 20:13:53 +00:00
|
|
|
$pathLength = strlen($folderPath);
|
|
|
|
foreach ($files as $file) {
|
|
|
|
if (strlen($file) > $pathLength and substr($file, 0, $pathLength) == $folderPath) {
|
2012-05-17 23:54:02 +00:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
if ($path[0] != '/') { //not all programs agree on the use of a leading /
|
|
|
|
return $this->fileExists('/' . $path);
|
|
|
|
} else {
|
2012-05-17 23:54:02 +00:00
|
|
|
return false;
|
|
|
|
}
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
2012-08-29 06:38:33 +00:00
|
|
|
|
2012-03-28 20:32:51 +00:00
|
|
|
/**
|
|
|
|
* remove a file or folder from the archive
|
2014-08-16 20:13:53 +00:00
|
|
|
*
|
2014-02-08 10:47:55 +00:00
|
|
|
* @param string $path
|
2012-03-28 20:32:51 +00:00
|
|
|
* @return bool
|
|
|
|
*/
|
2017-07-23 19:03:26 +00:00
|
|
|
public function remove($path) {
|
2014-08-16 20:13:53 +00:00
|
|
|
if (!$this->fileExists($path)) {
|
2012-03-28 21:46:44 +00:00
|
|
|
return false;
|
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
$this->fileList = false;
|
|
|
|
$this->cachedHeaders = false;
|
2012-03-28 20:32:51 +00:00
|
|
|
//no proper way to delete, extract entire archive, delete file and remake archive
|
2016-05-02 05:23:14 +00:00
|
|
|
$tmp = \OCP\Files::tmpFolder();
|
2012-03-28 20:32:51 +00:00
|
|
|
$this->tar->extract($tmp);
|
2016-05-02 05:23:14 +00:00
|
|
|
\OCP\Files::rmdirr($tmp . $path);
|
2014-08-16 20:13:53 +00:00
|
|
|
$this->tar = null;
|
2012-03-28 20:32:51 +00:00
|
|
|
unlink($this->path);
|
|
|
|
$this->reopen();
|
2012-09-10 09:21:54 +00:00
|
|
|
$this->tar->createModify(array($tmp), '', $tmp);
|
2012-03-28 21:46:44 +00:00
|
|
|
return true;
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
|
2012-03-28 20:32:51 +00:00
|
|
|
/**
|
|
|
|
* get a file handler
|
2014-08-16 20:13:53 +00:00
|
|
|
*
|
2014-02-08 10:47:55 +00:00
|
|
|
* @param string $path
|
|
|
|
* @param string $mode
|
2012-03-28 20:32:51 +00:00
|
|
|
* @return resource
|
|
|
|
*/
|
2017-07-23 19:03:26 +00:00
|
|
|
public function getStream($path, $mode) {
|
2014-08-16 20:13:53 +00:00
|
|
|
if (strrpos($path, '.') !== false) {
|
|
|
|
$ext = substr($path, strrpos($path, '.'));
|
|
|
|
} else {
|
|
|
|
$ext = '';
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
2016-05-02 05:23:14 +00:00
|
|
|
$tmpFile = \OCP\Files::tmpFile($ext);
|
2014-08-16 20:13:53 +00:00
|
|
|
if ($this->fileExists($path)) {
|
2012-09-10 09:21:54 +00:00
|
|
|
$this->extractFile($path, $tmpFile);
|
2014-08-16 20:13:53 +00:00
|
|
|
} elseif ($mode == 'r' or $mode == 'rb') {
|
2012-03-28 20:32:51 +00:00
|
|
|
return false;
|
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
if ($mode == 'r' or $mode == 'rb') {
|
2012-09-10 09:21:54 +00:00
|
|
|
return fopen($tmpFile, $mode);
|
2014-08-16 20:13:53 +00:00
|
|
|
} else {
|
2017-01-03 16:26:44 +00:00
|
|
|
$handle = fopen($tmpFile, $mode);
|
|
|
|
return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
|
|
|
|
$this->writeBack($tmpFile, $path);
|
|
|
|
});
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* write back temporary files
|
|
|
|
*/
|
2017-07-23 19:03:26 +00:00
|
|
|
public function writeBack($tmpFile, $path) {
|
2017-01-03 16:26:44 +00:00
|
|
|
$this->addFile($path, $tmpFile);
|
|
|
|
unlink($tmpFile);
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* reopen the archive to ensure everything is written
|
|
|
|
*/
|
2012-09-07 13:22:01 +00:00
|
|
|
private function reopen() {
|
2014-08-16 20:13:53 +00:00
|
|
|
if ($this->tar) {
|
2012-03-28 20:32:51 +00:00
|
|
|
$this->tar->_close();
|
2014-08-16 20:13:53 +00:00
|
|
|
$this->tar = null;
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
2014-08-16 20:13:53 +00:00
|
|
|
$types = array(null, 'gz', 'bz');
|
2016-05-02 05:23:14 +00:00
|
|
|
$this->tar = new \Archive_Tar($this->path, $types[self::getTarType($this->path)]);
|
2012-03-28 20:32:51 +00:00
|
|
|
}
|
|
|
|
}
|