public function processUpload(HTTPRequest $request)
 {
     $attch = new PHPWikiAttachment();
     $request_uri = preg_replace('/^\\/wiki/', PHPWIKI_PLUGIN_BASE_URL, $request->getFromServer('REQUEST_URI'));
     $attch->setUri($request_uri);
     if ($attch->exist() && $attch->isActive()) {
         if ($attch->isAutorized(user_getid())) {
             $attch->htmlDump();
         }
     } else {
         exit_error($GLOBALS['Language']->getText('global', 'error'), $GLOBALS['Language']->getText('plugin_phpwiki_attachment_upload', 'err_not_exist'));
     }
 }