package com.ctrip.framework.apollo.portal.auth;

 import com.ctrip.framework.apollo.portal.repository.ServerConfigRepository;

 import org.springframework.beans.factory.annotation.Autowired;

 import java.io.IOException;

 import javax.servlet.http.Cookie;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 public class CtripLogoutHandler implements LogoutHandler{

   @Autowired

   private ServerConfigRepository serverConfigRepository;

   @Override

   public void logout(HttpServletRequest request, HttpServletResponse response) {

     //将session销毁

     request.getSession().invalidate();

     Cookie cookie = new Cookie("memCacheAssertionID", null);

     //将cookie的有效期设置为0，命令浏览器删除该cookie

     cookie.setMaxAge(0);

     cookie.setPath(request.getContextPath() + "/");

     response.addCookie(cookie);

     //重定向到SSO的logout地址

     String casServerUrl = serverConfigRepository.findByKey("casServerUrlPrefix").getValue();

     String serverName = serverConfigRepository.findByKey("serverName").getValue();

     try {

       response.sendRedirect(casServerUrl + "/logout?service=" + serverName);

     } catch (IOException e) {

       throw new RuntimeException(e);

     }

   }

 }