public function uploadCustomLogo()
{
Piwik::checkUserHasSuperUserAccess();
$this->checkTokenInUrl();
$logo = new CustomLogo();
$successLogo = $logo->copyUploadedLogoToFilesystem();
$successFavicon = $logo->copyUploadedFaviconToFilesystem();
if ($successLogo || $successFavicon) {
return '1';
}
return '0';
}