Attachment::uploadFile

static function uploadFile($name, $content, array $parameters = array())
{
	static::includeDisk();

	$storage = Driver::getInstance()->getStorageByUserId($parameters['USER_ID']);
	if(!$storage)
	{
		throw new RestException("Could not find storage for user '".$parameters['USER_ID']."'.", RestException::ERROR_NOT_FOUND);
	}

	$folder = $storage->getFolderForUploadedFiles();
	if(!$folder)
	{
		return false;
	}
	$securityContext = $storage->getCurrentUserSecurityContext();
	if(!$folder->canAdd($securityContext))
	{
		throw new AccessException;
	}
	$fileData = CRestUtil::saveFile($content);
	if(!$fileData)
	{
		throw new RestException('Could not save file');
	}
	$file = $folder->uploadFile($fileData, array(
		'NAME' => $name,
		'CREATED_BY' => $parameters['USER_ID']
	), array(), true);
	if(!$file)
	{
		//$folder->getErrors();
		throw new RestException("Could not upload file to the storage");
	}

	return $file->getId();
}