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