function filebrowser_filebrowser_download_manager_process in Filebrowser 7.2

Same name and namespace in other branches

1. 8 filebrowser.module \filebrowser_filebrowser_download_manager_process()
2. 7.4 filebrowser.module \filebrowser_filebrowser_download_manager_process()
3. 7.3 filebrowser.module \filebrowser_filebrowser_download_manager_process()

hook_filebrowser_download_manager_process implementation.

File

./filebrowser.module, line 907

Code

function filebrowser_filebrowser_download_manager_process($delta = NULL, $file = NULL, $filename = NULL) {

  // Force download option not available in this version
  $force_download = null;
  $content_disposition = $force_download ? 'Content-Disposition: attachment; filename="' : 'Content-Disposition: inline; filename="';
  switch ($delta) {
    case 'public':
      $web_root = getcwd();
      if (strpos($web_root, $file) === 0) {
        $target = substr($file, strlen($web_root));
      }
      else {
        $target = $file;
      }
      header("Location: " . url(trim($target, '/'), array(
        'absolute' => TRUE,
      )));
      return TRUE;
    case 'private':
      if (ini_get('zlib.output_compression')) {
        ini_set('zlib.output_compression', 'Off');
      }
      $headers = array(
        'Content-Description' => 'File Transfer',
        'Cache-Control' => 'public, must-revalidate, max-age=0',
        // HTTP/1.1
        'Pragma' => 'public',
        'Expires' => 'Sat, 26 Jul 1997 05:00:00 GMT',
        // Date in the past
        'Last-Modified' => gmdate('D, d M Y H:i:s') . ' GMT',
        'Content-Type' => file_get_mimetype($filename),
        'Content-Transfer-Encoding' => 'binary',
        'Content-Length' => filesize($file),
      );
      if (stristr("MSIE", getenv("HTTP_USER_AGENT")) || stristr("Internet Explorer", getenv("HTTP_USER_AGENT"))) {
        $headers['Content-Disposition'] = 'inline; filename="' . mb_convert_encoding(_filebrowser_safe_basename($filename), "ISO-8859-2", "UTF-8") . '";';
      }
      else {
        $content_disposition = $force_download ? 'attachment;' : 'inline;';
        $headers['Content-Disposition'] = $content_disposition . ' filename="' . _filebrowser_safe_basename($filename) . '";';
      }
      if (ob_get_level()) {
        ob_end_clean();
      }
      foreach ($headers as $name => $value) {
        drupal_add_http_header($name, $value);
      }
      drupal_send_headers();
      drupal_set_time_limit(0);

      // Transfer file in 1024 byte chunks to save memory usage.
      if ($fd = fopen($file, 'rb')) {
        while (!feof($fd)) {
          print fread($fd, 1024);
        }
        fclose($fd);
      }
      else {
        drupal_not_found();
      }
      drupal_exit();
  }
}