spring boot实战教程之shiro session过期时间详解
作者：思与学
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前言
众所周知在spring boot内，设置session过期时间只需在application.properties内添加server.session.timeout配置即可。在整合shiro时发现，server.session.timeout设置为7200，但未到2小时就需要重新登录，后来发现是shiro的session已经过期了，shiro的session过期时间并不和server.session.timeout一致，目前是采用filter的方式来进行设置。
ShiroSessionFilter
/**
* 通过拦截器设置shiroSession过期时间
* @author yangwk
*/
public class ShiroSessionFilter implements Filter {
private static Logger logger = LoggerFactory.getLogger(ShiroSessionFilter.class);
public List<String> excludes = new ArrayList<String>();
private long serverSessionTimeout = 180000L;//ms
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException,ServletException {
if(logger.isDebugEnabled()){
logger.debug("shiro session filter is open");
}
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
if(handleExcludeURL(req, resp)){
filterChain.doFilter(request, response);
return;
}
Subject currentUser = SecurityUtils.getSubject();
if(currentUser.isAuthenticated()){
currentUser.getSession().setTimeout(serverSessionTimeout);
}
filterChain.doFilter(request, response);
}
private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response) {
if (excludes == null || excludes.isEmpty()) {
return false;
}
String url = request.getServletPath();
for (String pattern : excludes) {
Pattern p = Pattern.compile("^" + pattern);
Matcher m = p.matcher(url);
if (m.find()) {
return true;
}
}
return false;
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
if(logger.isDebugEnabled()){
logger.debug("shiro session filter init~~~~~~~~~~~~");
}
String temp = filterConfig.getInitParameter("excludes");
if (temp != null) {
String[] url = temp.split(",");
for (int i = 0; url != null && i < url.length; i++) {
excludes.add(url[i]);
}
}
String timeout = filterConfig.getInitParameter("serverSessionTimeout");
if(StringUtils.isNotBlank(timeout)){
this.serverSessionTimeout = NumberUtils.toLong(timeout,1800L)*1000L;
}
}
@Override
public void destroy() {}
}
注册filter
在被@Configuration注解标注的类内注册ShiroSessionFilter。
@Value("${server.session.timeout}")
private String serverSessionTimeout;
@Bean
public FilterRegistrationBean shiroSessionFilterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new ShiroSessionFilter());
filterRegistrationBean.setOrder(FilterRegistrationBean.LOWEST_PRECEDENCE);
filterRegistrationBean.setEnabled(true);
filterRegistrationBean.addUrlPatterns("/*");
Map<String, String> initParameters = Maps.newHashMap();
initParameters.put("serverSessionTimeout", serverSessionTimeout);
initParameters.put("excludes", "/favicon.ico,/img/*,/js/*,/css/*");
filterRegistrationBean.setInitParameters(initParameters);
return filterRegistrationBean;
}
这样当每次请求时，如果用户已登录，就重新设置shiro session有效期，从而和server session保持了一致。
总结
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