def like_shared_file(self, sharekey=None):
        """ 'Like' a SharedFile. mlkshk doesn't allow you to unlike a
        sharedfile, so this is ~~permanent~~.

        Args:
            sharekey (str): Sharekey for the file you want to 'like'.

        Returns:
            Either a SharedFile on success, or an exception on error.
        """

        if not sharekey:
            raise Exception(
                "You must specify a sharekey of the file you"
                "want to 'like'.")

        endpoint = '/api/sharedfile/{sharekey}/like'.format(sharekey=sharekey)
        data = self._make_request("POST", endpoint=endpoint, data=None)

        try:
            sf = SharedFile.NewFromJSON(data)
            sf.liked = True
            return sf
        except:
            raise Exception("{0}".format(data['error']))
'Like' a SharedFile. mlkshk doesn't allow you to unlike a
        sharedfile, so this is ~~permanent~~.

        Args:
            sharekey (str): Sharekey for the file you want to 'like'.

        Returns:
            Either a SharedFile on success, or an exception on error.