zipcart 37592

more zipcart.php

/**
 * Zip callback: PHP zip extension
 */
function _zipcart_phpzip($files) {
  $zip = new ZipArchive;
  $filename = file_directory_path() .'/'. variable_get('zipcart_cache','zipcart') .'/'. time() .'.zip' ;
  $zip_open = $zip->open($filename, ZIPARCHIVE::CREATE) ;
  if ($zip_open === TRUE) {
    dpm('zip opened');
    // would be nice to handle duplicate filenames here
    foreach ( $files as $file ) {
      dpm('file added');
      $zip->addFile($file, basename($file));
    }
    $zip->close();
    dpm($zip, 'zip');
    $headers = module_invoke_all('file_download', $filename);
    if (in_array(-1, $headers)) {
      return drupal_access_denied();
    }
    dpm('zip files permitted');
    if (count($headers)) {
      // need to remove any content-disposition headers here
      foreach ( $headers as $k => $header ) {
        if ( stristr($header, 'Content-Disposition:') === 0 ) {
          unset($headers[$k]) ;
        }
      }
      $headers[] = 'Content-Disposition: attachment; filename="'. _zipcart_zip_filename() .'"' ;
      // FIXME: it would be nice to wait until the file transfer completes before we clear the 
      // files out of the session. However, if we do that, the user can't add new files to their
      // cart until the zip is downloaded. So we'll do this first.
      $_SESSION['zipcart']['files'] = array();
      file_transfer($filename, $headers);
      dpm($filename, 'file transferred');
    }
  }
  else {
    drupal_set_message(t('Unable to create file !filename.', array('!filename' => $filename)), 'error');
    drupal_access_denied();
    return FALSE ;
  }  
}