apereo / cas

public class SingleLogoutPreparationAction extends AbstractAction {

    private final Logger logger2 = LoggerFactory.getLogger(SingleLogoutPreparationAction.class);

    private final ProfileService<? extends CommonProfile> profileService;

    private final CookieRetrievingCookieGenerator ticketGrantingTicketCookieGenerator;

    public SingleLogoutPreparationAction(final CookieRetrievingCookieGenerator ticketGrantingTicketCookieGenerator,

            final ProfileService<? extends CommonProfile> profileService) {

        super();

        this.profileService = profileService;

        this.ticketGrantingTicketCookieGenerator = ticketGrantingTicketCookieGenerator;

    }

    @SuppressWarnings({ "rawtypes", "unchecked" })

    @Override

    protected Event doExecute(final RequestContext rc) throws Exception {

        // Get the TGT first. For logout, we need to get the cookie's value, most likely the TGT will not be in the scope anymore.

        String tgtId = WebUtils.getTicketGrantingTicketId(rc);

        final HttpServletRequest request = WebUtils.getHttpServletRequestFromExternalWebflowContext(rc);

        if (tgtId == null) {

            tgtId = ticketGrantingTicketCookieGenerator.retrieveCookieValue(request);

        }

        // Retrieve the user profile previously stored to the long-term storage in PAC4J ClientAction.

        final CommonProfile profile = (tgtId == null) ? null : profileService.findById(tgtId);

        // And save the profile into the PAC4J Profile Manager for this request + session.

        if (profile != null) {

            final HttpServletResponse response = WebUtils.getHttpServletResponseFromExternalWebflowContext(rc);

            final WebContext webContext = new J2EContext(request, response);

            final ProfileManager pm = Pac4jUtils.getPac4jProfileManager(webContext);

            pm.save(true, profile, false);

            logger2.debug("User profile restored from a long-term storage and saved in PAC4J Profile Manager.");

        } else {

            logger2.debug("No user profile restored from a long-term storage. SAML Single Logout may not work properly."

                    + " This is normal for non-SAML clients.");

        }

        return success();