[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * The MIME_Viewer_zip class renders out the contents of ZIP files in HTML
   4   * format.
   5   *
   6   * $Horde: framework/MIME/MIME/Viewer/zip.php,v 1.30.10.10 2006/02/10 13:54:04 jan Exp $
   7   *
   8   * Copyright 2000-2006 Chuck Hagenbuch <chuck@horde.org>
   9   * Copyright 2002-2006 Michael Cochrane <mike@graftonhall.co.nz>
  10   *
  11   * See the enclosed file COPYING for license information (LGPL). If you
  12   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  13   *
  14   * @author  Chuck Hagenbuch <chuck@horde.org>
  15   * @author  Michael Cochrane <mike@graftonhall.co.nz>
  16   * @since   Horde 2.0
  17   * @package Horde_MIME_Viewer
  18   */
  19  class MIME_Viewer_zip extends MIME_Viewer {
  20  
  21      /**
  22       * Render out the current zip contents.
  23       *
  24       * @param array $params  Any parameters the Viewer may need.
  25       *
  26       * @return string  The rendered contents.
  27       */
  28      function render($params = array())
  29      {
  30          return $this->_render($this->mime_part->getContents());
  31      }
  32  
  33      /**
  34       * Output the file list.
  35       *
  36       * @access private
  37       *
  38       * @param string $contents  The contents of the zip archive.
  39       * @param mixed $callback   The callback function to use on the zipfile
  40       *                          information.
  41       *
  42       * @return string  The file list.
  43       */
  44      function _render($contents, $callback = null)
  45      {
  46          require_once 'Horde/Compress.php';
  47  
  48          $zip = &Horde_Compress::singleton('zip');
  49  
  50          /* Make sure this is a valid zip file. */
  51          if ($zip->checkZipData($contents) === false) {
  52              return '<pre>' . _("This does not appear to be a valid zip file.") . '</pre>';
  53          }
  54  
  55          $zipInfo = $zip->decompress($contents, array('action' => HORDE_COMPRESS_ZIP_LIST));
  56          if (is_a($zipInfo, 'PEAR_Error')) {
  57              return $zipInfo->getMessage();
  58          }
  59          $fileCount = count($zipInfo);
  60  
  61          require_once 'Horde/Text.php';
  62  
  63          $text = '<strong>' . htmlspecialchars(sprintf(_("Contents of \"%s\""), $this->mime_part->getName())) . ':</strong>' . "\n";
  64          $text .= '<table><tr><td align="left"><tt><span class="fixed">';
  65          $text .= Text::htmlAllSpaces(_("Archive Name") . ': ' . $this->mime_part->getName()) . "\n";
  66          $text .= Text::htmlAllSpaces(_("Archive File Size") . ': ' . strlen($contents) . ' bytes') . "\n";
  67          $text .= Text::htmlAllSpaces(($fileCount != 1) ? sprintf(_("File Count: %s files"), $fileCount) : sprintf(_("File Count: %s file"), $fileCount));
  68          $text .= "\n\n";
  69          $text .= Text::htmlAllSpaces(
  70                       str_pad(_("File Name"),      50, ' ', STR_PAD_RIGHT) .
  71                       str_pad(_("Attributes"),     10, ' ', STR_PAD_LEFT) .
  72                       str_pad(_("Size"),           10, ' ', STR_PAD_LEFT) .
  73                       str_pad(_("Modified Date"),  19, ' ', STR_PAD_LEFT) .
  74                       str_pad(_("Method"),         10, ' ', STR_PAD_LEFT) .
  75                       str_pad(_("CRC"),            10, ' ', STR_PAD_LEFT) .
  76                       str_pad(_("Ratio"),           7, ' ', STR_PAD_LEFT)
  77                   ) . "\n";
  78  
  79          $text .= str_repeat('-', 116) . "\n";
  80  
  81          foreach ($zipInfo as $key => $val) {
  82              $ratio = (empty($val['size'])) ? 0 : 100 * ($val['csize'] / $val['size']);
  83  
  84              $val['name'] = str_pad($val['name'], 50, ' ', STR_PAD_RIGHT);
  85              $val['attr'] = str_pad($val['attr'], 10, ' ', STR_PAD_LEFT);
  86              $val['size'] = str_pad($val['size'], 10, ' ', STR_PAD_LEFT);
  87              $val['date'] = str_pad(strftime("%d-%b-%Y %H:%M", $val['date']), 19, ' ', STR_PAD_LEFT);
  88              $val['method'] = str_pad($val['method'], 10, ' ', STR_PAD_LEFT);
  89              $val['crc'] = str_pad($val['crc'], 10, ' ', STR_PAD_LEFT);
  90              $val['ratio'] = str_pad(sprintf("%1.1f%%", $ratio), 7, ' ', STR_PAD_LEFT);
  91  
  92              $val = array_map(array('Text', 'htmlAllSpaces'), $val);
  93  
  94              if (!is_null($callback)) {
  95                  $val = call_user_func($callback, $key, $val);
  96              }
  97  
  98              $text .= $val['name'] . $val['attr'] . $val['size'] .
  99                       $val['date'] . $val['method'] . $val['crc'] .
 100                       $val['ratio'] . "\n";
 101          }
 102  
 103          $text .= str_repeat('-', 116) . "\n";
 104          $text .= '</span></tt></td></tr></table>';
 105  
 106          return nl2br($text);
 107      }
 108  
 109      /**
 110       * Return the content-type
 111       *
 112       * @return string  The content-type of the output.
 113       */
 114      function getType()
 115      {
 116          return 'text/html; charset=' . NLS::getCharset();
 117      }
 118  
 119  }