Droogle documentation:

These directions are no longer current but support the versions of Droogle prior to version 7.x-4x.

Make sure to see the readme file in the Droogle files folder but here are some tips: To configure what file types Droogle file upload will accept: http://drupal.org/node/1559764#comment-5955428 Annoyingly I agree you have to edit Droogle/Zend/Gdata/Docs.php and add the filetypes that are allowed for upload. Here is my current list.


private static $SUPPORTED_FILETYPES = array(
      'PDF'=>'application/pdf',
      'JPG'=>'image/jpeg',
      'PNG'=>'image/png',
      'GIF'=>'image/gif',
      'TXT'=>'text/plain',
      'CSV'=>'text/csv',
      'TSV'=>'text/tab-separated-values',
      'TAB'=>'text/tab-separated-values',
      'HTML'=>'text/html',
      'HTM'=>'text/html',
      'DOC'=>'application/msword',
      'DOCX'=>'application/msword',
      'ODS'=>'application/vnd.oasis.opendocument.spreadsheet',
      'ODT'=>'application/vnd.oasis.opendocument.text',
      'RTF'=>'application/rtf',
      'SXW'=>'application/vnd.sun.xml.writer',
      'XLS'=>'application/vnd.ms-excel',
      'XLSX'=>'application/vnd.ms-excel',
      'PPT'=>'application/vnd.ms-powerpoint',
      'PPS'=>'application/vnd.ms-powerpoint');