245 Zeilen
6,7 KiB
PHP
245 Zeilen
6,7 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Filter_Compress_CompressAbstract
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*/
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require_once 'Zend/Filter/Compress/CompressAbstract.php';
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/**
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* Compression adapter for Tar
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Filter_Compress_Tar extends Zend_Filter_Compress_CompressAbstract
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{
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/**
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* Compression Options
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* array(
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* 'archive' => Archive to use
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* 'target' => Target to write the files to
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* )
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*
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* @var array
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*/
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protected $_options = array(
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'archive' => null,
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'target' => '.',
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'mode' => null,
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);
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/**
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* Class constructor
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*
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* @param array $options (Optional) Options to set
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*/
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public function __construct($options = null)
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{
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if (!class_exists('Archive_Tar')) {
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require_once 'Zend/Loader.php';
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try {
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Zend_Loader::loadClass('Archive_Tar');
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} catch (Zend_Exception $e) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('This filter needs PEARs Archive_Tar', 0, $e);
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}
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}
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parent::__construct($options);
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}
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/**
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* Returns the set archive
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*
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* @return string
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*/
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public function getArchive()
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{
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return $this->_options['archive'];
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}
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/**
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* Sets the archive to use for de-/compression
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*
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* @param string $archive Archive to use
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* @return Zend_Filter_Compress_Tar
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*/
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public function setArchive($archive)
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{
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$archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $archive);
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$this->_options['archive'] = (string) $archive;
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return $this;
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}
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/**
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* Returns the set targetpath
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*
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* @return string
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*/
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public function getTarget()
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{
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return $this->_options['target'];
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}
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/**
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* Sets the targetpath to use
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*
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* @param string $target
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* @return Zend_Filter_Compress_Tar
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*/
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public function setTarget($target)
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{
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if (!file_exists(dirname($target))) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("The directory '$target' does not exist");
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}
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$target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $target);
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$this->_options['target'] = (string) $target;
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return $this;
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}
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/**
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* Returns the set compression mode
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*/
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public function getMode()
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{
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return $this->_options['mode'];
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}
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/**
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* Compression mode to use
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* Eighter Gz or Bz2
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*
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* @param string $mode
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*/
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public function setMode($mode)
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{
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$mode = ucfirst(strtolower($mode));
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if (($mode != 'Bz2') && ($mode != 'Gz')) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception("The mode '$mode' is unknown");
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}
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if (($mode == 'Bz2') && (!extension_loaded('bz2'))) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('This mode needs the bz2 extension');
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}
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if (($mode == 'Gz') && (!extension_loaded('zlib'))) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('This mode needs the zlib extension');
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}
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}
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/**
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* Compresses the given content
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*
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* @param string $content
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* @return string
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*/
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public function compress($content)
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{
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$archive = new Archive_Tar($this->getArchive(), $this->getMode());
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if (!file_exists($content)) {
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$file = $this->getTarget();
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if (is_dir($file)) {
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$file .= DIRECTORY_SEPARATOR . "tar.tmp";
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}
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$result = file_put_contents($file, $content);
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if ($result === false) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Error creating the temporary file');
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}
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$content = $file;
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}
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if (is_dir($content)) {
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// collect all file infos
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foreach (new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($content, RecursiveDirectoryIterator::KEY_AS_PATHNAME),
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RecursiveIteratorIterator::SELF_FIRST
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) as $directory => $info
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) {
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if ($info->isFile()) {
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$file[] = $directory;
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}
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}
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$content = $file;
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}
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$result = $archive->create($content);
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if ($result === false) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Error creating the Tar archive');
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}
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return $this->getArchive();
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}
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/**
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* Decompresses the given content
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*
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* @param string $content
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* @return boolean
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*/
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public function decompress($content)
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{
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$archive = $this->getArchive();
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if (file_exists($content)) {
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$archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
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} elseif (empty($archive) || !file_exists($archive)) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Tar Archive not found');
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}
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$archive = new Archive_Tar($archive, $this->getMode());
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$target = $this->getTarget();
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if (!is_dir($target)) {
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$target = dirname($target);
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}
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$result = $archive->extract($target);
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if ($result === false) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Error while extracting the Tar archive');
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}
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return true;
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}
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/**
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* Returns the adapter name
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*
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* @return string
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*/
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public function toString()
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{
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return 'Tar';
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}
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}
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