Package org.springframework.security.core.session

Examples of org.springframework.security.core.session.SessionInformation

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    @Override
    public void removeSessionInformation(String sessionId) {
        Assert.hasText(sessionId, "SessionId required as per interface contract");

        SessionInformation info = getSessionInformation(sessionId);

        if (info == null) {
            return;
        }

        if (log.isTraceEnabled()) {
            log.debug("Removing session " + sessionId + " from set of registered sessions");
        }

        if (!isSuccess(client.delete(sessionId))) {
            log.error(String.format("Error removing session from cache: %s", sessionId));
        }

        Set<String> sessionsUsedByPrincipal = (Set<String>) client.get(((User) info.getPrincipal()).getUuid());

        if (sessionsUsedByPrincipal == null) {
            return;
        }

        if (log.isDebugEnabled()) {
            log.debug("Removing session " + sessionId + " from principal's set of registered sessions");
        }

        sessionsUsedByPrincipal.remove(sessionId);

        if (sessionsUsedByPrincipal.isEmpty()) {
            // No need to keep object in principals Map anymore
            if (log.isDebugEnabled()) {
                log.debug("Removing principal " + info.getPrincipal() + " from registry");
            }
            client.delete(((User) info.getPrincipal()).getUuid());
        } else {
            client.replace(((User) info.getPrincipal()).getUuid(), 86400, sessionsUsedByPrincipal);
        }

        if (log.isTraceEnabled()) {
            log.trace("Sessions used by '" + info.getPrincipal() + "' : " + sessionsUsedByPrincipal);
        }
    }
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        HttpServletResponse response = (HttpServletResponse) res;

        HttpSession session = request.getSession(false);

        if (session != null) {
            SessionInformation info = sessionRegistry.getSessionInformation(session.getId());

            if (info != null) {
                if (info.isExpired()) {
                    // Expired - abort processing
                    doLogout(request, response);

                    String targetUrl = determineExpiredUrl(request, info);

                    if (targetUrl != null) {
                        redirectStrategy.sendRedirect(request, response, targetUrl);

                        return;
                    } else {
                        response.getWriter().print("This session has been expired (possibly due to multiple concurrent " +
                                "logins being attempted as the same user).");
                        response.flushBuffer();
                    }

                    return;
                } else {
                    // Non-expired - update last request date/time
                    info.refreshLastRequest();
                }
            }
        }

        chain.doFilter(request, response);
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                    new Object[] {new Integer(allowableSessions)},
                    "Maximum sessions of {0} for this principal exceeded"));
        }

        // Determine least recently used session, and mark it for invalidation
        SessionInformation leastRecentlyUsed = null;

        for (int i = 0; i < sessions.size(); i++) {
            if ((leastRecentlyUsed == null)
                    || sessions.get(i).getLastRequest().before(leastRecentlyUsed.getLastRequest())) {
                leastRecentlyUsed = sessions.get(i);
            }
        }

        leastRecentlyUsed.expireNow();
    }
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        try {
        HttpServletRequest request=(HttpServletRequest)req;
            HttpServletResponse response=(HttpServletResponse)res;
            HttpSession session=request.getSession(false);
            if(session!=null){
                SessionInformation info=sessionRegistry.getSessionInformation(session.getId());
                if(info!=null){
                    if(info.isExpired()){
                        doLogout(request,response);
                        if(invalidSessionHandler!=null)
                            invalidSessionHandler.sessionInvalidated(request,response);
                        else{
                            response.getWriter().print("This session has been expired (possibly due to multiple concurrent " +
                                      "logins being attempted as the same user).");
                            response.flushBuffer();
                        }
                        return;
                    }else{
                        info.refreshLastRequest();
                    }
                }
            }
          chain.doFilter(request,response);   
    } catch (AccessDeniedException ex) {
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     * 根据会话ID获取在线用户
     * @param sessionID
     * @return 用户
     */
    public User getUser(String sessionID) {
        SessionInformation info=sessionRegistry.getSessionInformation(sessionID);
        if(info == null){
            LOG.debug("没有获取到会话ID为："+sessionID+" 的在线用户");
            return null;
        }
        User user = (User)info.getPrincipal();
        LOG.debug("获取到会话ID为："+sessionID+" 的在线用户 "+user.getUsername());
       
        return user;
    }
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