public String authenticateUser(RequestContext ctx) {

		String user = null;

		try {



			String email = null;

			// Get UserID

			Long userId = SecurityTools.getInstance().getUserIdFromCookie();

			if (userId != null) {

				// Determine user data from somewhere

				UserData userData = response.getData(0);

				user = userData.getUsr();

				email = userData.getEmail();

				// TODO: Adapt class ControllerUtils to use more/custom

				// attributes for user creation (see

				// http://www.andowson.com/posts/list/227.page)



				// The password is irrelevant as the user has already logged on

				// (set it anyway in case JForum uses it)

				ctx.getSessionContext().setAttribute("password", "");

				ctx.getSessionContext().setAttribute("email", email);



			}



			if (LOG.isInfoEnabled()) {

				LOG.info("SSO User: " + userId + ", " + user + ", " + email);

			}

		} catch (Exception ex) {

			LOG.error("Problem in authenticateUser!", ex);

		}

		return user;

	}