libraries/zip_extension.lib.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3
   4 /**
   5  * Interface for the zip extension
   6  * @package    phpMyAdmin
   7  * @version    $Id$
   8  */
   9
  10 /**
  11   * Gets zip file contents
  12   *
  13   * @param   string  $file
  14   * @return  array  ($error_message, $file_data); $error_message
  15   *                  is empty if no error
  16   * @author lem9
  17   */
  18
  19 function PMA_getZipContents($file)
  20 {
  21     $error_message = '';
  22     $file_data = '';
  23     $zip_handle = zip_open($file);
  24     if (is_resource($zip_handle)) {
  25         $first_zip_entry = zip_read($zip_handle);
  26         if (false === $first_zip_entry) {
  27             $error_message = $GLOBALS['strNoFilesFoundInZip'];
  28         } else {
  29             /* Is the the zip really an ODS file? */
  30             $read = zip_entry_read($first_zip_entry);
  31             $ods_mime = 'application/vnd.oasis.opendocument.spreadsheet';
  32             if (!strcmp($ods_mime, $read)) {
  33                 /* Return the correct contents, not just the first entry */
  34                 for ( ; ; ) {
  35                     $entry = zip_read($zip_handle);
  36                     if (is_resource($entry)) {
  37                         if (!strcmp('content.xml', zip_entry_name($entry))) {
  38                             zip_entry_open($zip_handle, $entry, 'r');
  39                             $file_data = zip_entry_read($entry, zip_entry_filesize($entry));
  40                             zip_entry_close($entry);
  41                             break;
  42                         }
  43                     } else {
  44                         /**
  45                          * Either we have reached the end of the zip and still
  46                          * haven't found 'content.xml' or there was a parsing
  47                          * error that we must display
  48                          */
  49                         if ($entry === FALSE) {
  50                             $error_message = $GLOBALS['strErrorInZipFile'] . ' Could not find "content.xml"';
  51                         } else {
  52                             $error_message = $GLOBALS['strErrorInZipFile'] . ' ' . PMA_getZipError($zip_handle);
  53                         }
  54
  55                         break;
  56                     }
  57                 }
  58             } else {
  59                 zip_entry_open($zip_handle, $first_zip_entry, 'r');
  60                 /* File pointer has already been moved, so include what was read above */
  61                 $file_data = $read;
  62                 $file_data .= zip_entry_read($first_zip_entry, zip_entry_filesize($first_zip_entry));
  63                 zip_entry_close($first_zip_entry);
  64             }
  65         }
  66     } else {
  67         $error_message = $GLOBALS['strErrorInZipFile'] . ' ' . PMA_getZipError($zip_handle);
  68     }
  69     zip_close($zip_handle);
  70     return (array('error' => $error_message, 'data' => $file_data));
  71 }
  72
  73 /**
  74   * Gets zip error message
  75   *
  76   * @param   integer  error code
  77   * @return  string  error message
  78   * @author lem9
  79  */
  80 function PMA_getZipError($code)
  81 {
  82     // I don't think this needs translation
  83     switch ($code) {
  84         case ZIPARCHIVE::ER_MULTIDISK:
  85             $message = 'Multi-disk zip archives not supported';
  86              break;
  87         case ZIPARCHIVE::ER_READ:
  88             $message = 'Read error';
  89              break;
  90         case ZIPARCHIVE::ER_CRC:
  91             $message = 'CRC error';
  92              break;
  93         case ZIPARCHIVE::ER_NOZIP:
  94             $message = 'Not a zip archive';
  95              break;
  96         case ZIPARCHIVE::ER_INCONS:
  97             $message = 'Zip archive inconsistent';
  98              break;
  99         default:
 100             $message = $code;
 101     }
 102     return $message;
 103 }
 104 ?>