[Sommaire] [Imprimer]

   1  <?php
   2  
   3  require_once 'Horde/MIME/Viewer/zip.php';
   4  
   5  /**
   6   * The MIME_Viewer_zip class renders out the contents of ZIP files in HTML
   7   * format and allows downloading of extractable files.
   8   *
   9   * $Horde: imp/lib/MIME/Viewer/zip.php,v 1.25.10.8 2007/01/02 13:55:00 jan Exp $
  10   *
  11   * Copyright 2002-2007 Mike Cochrane <mike@graftonhall.co.nz>
  12   * Copyright 2002-2007 Michael Slusarz <slusarz@bigworm.colorado.edu>
  13   *
  14   * See the enclosed file COPYING for license information (GPL). If you
  15   * did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
  16   *
  17   * @author  Mike Cochrane <mike@graftonhall.co.nz>
  18   * @author  Michael Slusarz <slusarz@bigworm.colorado.edu>
  19   * @since   IMP 4.0
  20   * @package Horde_MIME_Viewer
  21   */
  22  class IMP_MIME_Viewer_zip extends MIME_Viewer_zip {
  23  
  24      /**
  25       * The IMP_Contents object, needed for the _callback() function.
  26       *
  27       * @var IMP_Contents
  28       */
  29      var $_contents;
  30  
  31      /**
  32       * Render out the currently set contents.
  33       *
  34       * @param array $params  An array with a reference to a  MIME_Contents
  35       *                       object.
  36       *
  37       * @return string  Either the list of zip files or the data of an
  38       *                 individual zip file.
  39       */
  40      function render($params)
  41      {
  42          $contents = &$params[0];
  43  
  44          $data = $this->mime_part->getContents();
  45          $text = '';
  46  
  47          /* Send the requested file. Its position in the zip archive is
  48             located in 'zip_attachment'. */
  49          if (Util::getFormData('zip_attachment')) {
  50              require_once 'Horde/Compress.php';
  51              $zip = &Horde_Compress::singleton('zip');
  52              $fileKey = Util::getFormData('zip_attachment') - 1;
  53              $zipInfo = $zip->decompress($data, array('action' => HORDE_COMPRESS_ZIP_LIST));
  54              /* Verify that the requested file exists. */
  55              if (isset($zipInfo[$fileKey])) {
  56                  $text = $zip->decompress($data, array('action' => HORDE_COMPRESS_ZIP_DATA, 'info' => &$zipInfo, 'key' => $fileKey));
  57                  if (empty($text)) {
  58                      $text = '<pre>' . _("Could not extract the requested file from the Zip archive.") . '</pre>';
  59                  } else {
  60                      $this->mime_part->setType('application/octet-stream');
  61                      $this->mime_part->setName(basename($zipInfo[$fileKey]['name']));
  62                  }
  63              } else {
  64                  $text = '<pre>' . _("The requested file does not exist in the Zip attachment.") . '</pre>';
  65              }
  66          } else {
  67              $this->_contents = $contents;
  68              $text = parent::_render($data, array($this, '_callback'));
  69          }
  70  
  71          return $text;
  72      }
  73  
  74      /**
  75       * The function to use as a callback to parent::_render().
  76       *
  77       * @access private
  78       *
  79       * @param integer $key  The position of the file in the zip archive.
  80       * @param array $val    The information array for the archived file.
  81       *
  82       * @return string  The content-type of the output.
  83       */
  84      function _callback($key, $val)
  85      {
  86          $name = str_replace('&nbsp;', '', $val['name']);
  87          if (!empty($val['size']) && (strstr($val['attr'], 'D') === false) &&
  88              ((($val['_method'] == 0x8) && Util::extensionExists('zlib')) ||
  89              ($val['_method'] == 0x0))) {
  90              $old_name = $this->mime_part->getName();
  91              $this->mime_part->setName(basename($name));
  92              $val['name'] = str_replace($name, $this->_contents->linkView($this->mime_part, 'download_render', $name, array('jstext' => sprintf(_("View %s"), $name), 'class' => 'fixed', 'viewparams' => array('zip_attachment' => (urlencode($key) + 1)))), $val['name']);
  93              $this->mime_part->setName($old_name);
  94          }
  95  
  96          return $val;
  97      }
  98  
  99  }