File indexing completed on 2024-06-16 05:30:04

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Filter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Filter_Compress_CompressAbstract
  */
 // require_once 'Zend/Filter/Compress/CompressAbstract.php';
 
 /**
  * Compression adapter for Tar
  *
  * @category   Zend
  * @package    Zend_Filter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Filter_Compress_Tar extends Zend_Filter_Compress_CompressAbstract
 {
     /**
      * Compression Options
      * array(
      *     'archive'  => Archive to use
      *     'target'   => Target to write the files to
      * )
      *
      * @var array
      */
     protected $_options = array(
         'archive'  => null,
         'target'   => '.',
         'mode'     => null,
     );
 
     /**
      * Class constructor
      *
      * @param array $options (Optional) Options to set
      */
     public function __construct($options = null)
     {
         if (!class_exists('Archive_Tar')) {
             // require_once 'Zend/Loader.php';
             try {
                 Zend_Loader::loadClass('Archive_Tar');
             } catch (Zend_Exception $e) {
                 // require_once 'Zend/Filter/Exception.php';
                 throw new Zend_Filter_Exception('This filter needs PEARs Archive_Tar', 0, $e);
             }
         }
 
         parent::__construct($options);
     }
 
     /**
      * Returns the set archive
      *
      * @return string
      */
     public function getArchive()
     {
         return $this->_options['archive'];
     }
 
     /**
      * Sets the archive to use for de-/compression
      *
      * @param string $archive Archive to use
      * @return Zend_Filter_Compress_Tar
      */
     public function setArchive($archive)
     {
         $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $archive);
         $this->_options['archive'] = (string) $archive;
 
         return $this;
     }
 
     /**
      * Returns the set targetpath
      *
      * @return string
      */
     public function getTarget()
     {
         return $this->_options['target'];
     }
 
     /**
      * Sets the targetpath to use
      *
      * @param string $target
      * @return Zend_Filter_Compress_Tar
      */
     public function setTarget($target)
     {
         if (!file_exists(dirname($target))) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception("The directory '$target' does not exist");
         }
 
         $target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $target);
         $this->_options['target'] = (string) $target;
         return $this;
     }
 
     /**
      * Returns the set compression mode
      */
     public function getMode()
     {
         return $this->_options['mode'];
     }
 
     /**
      * Compression mode to use
      * Eighter Gz or Bz2
      *
      * @param string $mode
      */
     public function setMode($mode)
     {
         $mode = ucfirst(strtolower($mode));
         if (($mode != 'Bz2') && ($mode != 'Gz')) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception("The mode '$mode' is unknown");
         }
 
         if (($mode == 'Bz2') && (!extension_loaded('bz2'))) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception('This mode needs the bz2 extension');
         }
 
         if (($mode == 'Gz') && (!extension_loaded('zlib'))) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception('This mode needs the zlib extension');
         }
     }
 
     /**
      * Compresses the given content
      *
      * @param  string $content
      * @return string
      */
     public function compress($content)
     {
         $archive = new Archive_Tar($this->getArchive(), $this->getMode());
         if (!file_exists($content)) {
             $file = $this->getTarget();
             if (is_dir($file)) {
                 $file .= DIRECTORY_SEPARATOR . "tar.tmp";
             }
 
             $result = file_put_contents($file, $content);
             if ($result === false) {
                 // require_once 'Zend/Filter/Exception.php';
                 throw new Zend_Filter_Exception('Error creating the temporary file');
             }
 
             $content = $file;
         }
 
         if (is_dir($content)) {
             // collect all file infos
             foreach (new RecursiveIteratorIterator(
                         new RecursiveDirectoryIterator($content, RecursiveDirectoryIterator::KEY_AS_PATHNAME),
                         RecursiveIteratorIterator::SELF_FIRST
                     ) as $directory => $info
             ) {
                 if ($info->isFile()) {
                     $file[] = $directory;
                 }
             }
 
             $content = $file;
         }
 
         $result  = $archive->create($content);
         if ($result === false) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception('Error creating the Tar archive');
         }
 
         return $this->getArchive();
     }
 
     /**
      * Decompresses the given content
      *
      * @param  string $content
      * @return boolean
      */
     public function decompress($content)
     {
         $archive = $this->getArchive();
         if (file_exists($content)) {
             $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
         } elseif (empty($archive) || !file_exists($archive)) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception('Tar Archive not found');
         }
 
         $archive = new Archive_Tar($archive, $this->getMode());
         $target  = $this->getTarget();
         if (!is_dir($target)) {
             $target = dirname($target);
         }
 
         $result = $archive->extract($target);
         if ($result === false) {
             // require_once 'Zend/Filter/Exception.php';
             throw new Zend_Filter_Exception('Error while extracting the Tar archive');
         }
 
         return true;
     }
 
     /**
      * Returns the adapter name
      *
      * @return string
      */
     public function toString()
     {
         return 'Tar';
     }
 }