Delete all access and refresh tokens for logged in user in Stormpath Express

stormpath-express-logout.js

//Sign out -> delete all access and refresh tokens
module.exports.signOut = function(req, res){

	//Delete refresh tokens
	req.user.getRefreshTokens(function(err,refreshTokens){
		refreshTokens.each(deleteToken, function (err) {
			if(err) {
				res.status(400).send({ message: 'Oops!  There was an error: ' + err.userMessage});
			} else {

				//And access tokens too
				req.user.getAccessTokens(function(err,accessTokens){
					accessTokens.each(deleteToken, function (err) {
						if(err) {
							res.status(400).send({ message: 'Oops!  There was an error: ' + err.userMessage});
						} else {
							res.status(200).send({code: 'success', message: 'You are now signed out from everywhere!'});
						}
					});
				});
			}

		});

		function deleteToken(token, callback) {
		  token.delete(function(err) {
		  callback();
		  });
		}

	});

}