增加PAQ模板

linzhijie

2021-07-22 a672e524f4fd687d047d783d73b934ea456ebd61

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package com.ots.framework.shiro.web.filter.online;
import com.ots.common.constant.ShiroConstants;
import com.ots.common.utils.security.ShiroUtils;
import com.ots.framework.shiro.session.OnlineSessionDAO;
import com.ots.project.monitor.online.domain.OnlineSession;
import com.ots.project.system.user.domain.User;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.web.filter.AccessControlFilter;
import org.apache.shiro.web.util.WebUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;
 
public class OnlineSessionFilter extends AccessControlFilter {
    
    @Value("${shiro.user.loginUrl}")
    private String loginUrl;
    @Autowired
    private OnlineSessionDAO onlineSessionDAO;
    
    @Override
    protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) {
        Subject subject = getSubject(request, response);
        if (subject == null || subject.getSession() == null) {
            return true;
        }
        Session session = onlineSessionDAO.readSession(subject.getSession().getId());
        if (session != null && session instanceof OnlineSession) {
            OnlineSession onlineSession = (OnlineSession) session;
            request.setAttribute(ShiroConstants.ONLINE_SESSION, onlineSession);
            
            boolean isGuest = onlineSession.getUserId() == null || onlineSession.getUserId() == 0L;
            if (isGuest == true) {
                User user = ShiroUtils.getSysUser();
                if (user != null) {
                    onlineSession.setUserId(user.getUserId());
                    onlineSession.setLoginName(user.getLoginName());
                    onlineSession.setAvatar(user.getAvatar());
                    onlineSession.setDeptName(user.getDept().getDeptName());
                    onlineSession.markAttributeChanged();
                }
            }
            if (onlineSession.getStatus() == OnlineSession.OnlineStatus.off_line) {
                return false;
            }
        }
        return true;
    }
    
    @Override
    protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
        Subject subject = getSubject(request, response);
        if (subject != null) {
            subject.logout();
        }
        saveRequestAndRedirectToLogin(request, response);
        return false;
    }
    
    @Override
    protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
        WebUtils.issueRedirect(request, response, loginUrl);
    }
}