Upload a file to a folder in the Mxit user's gallery
        User authentication required with the following scope: 'content/write'

def upload_gallery_file(self, folder_name, file_name, data=None, input_file_path=None,
                            prevent_share=False, content_type="image/png", scope='content/write'):
        """
        Upload a file to a folder in the Mxit user's gallery
        User authentication required with the following scope: 'content/write'
        """
        if input_file_path:
            with open(input_file_path, 'rb') as f:
                data = f.read()

        if not data:
            raise ValueError('Either the data of a file or the path to a file must be provided')

        params = {
            'fileName': file_name,
            'preventShare': 'true' if prevent_share else 'false',
        }

        return _post(
            token=self.oauth.get_user_token(scope),
            uri='/user/media/file/' + urllib.quote(folder_name) + '?' + urllib.urlencode(params),
            data=data,
            content_type=content_type,
        )