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spring boot+ redis 接口訪問(wèn)頻率限制的實(shí)現(xiàn)

更新時(shí)間：2021年01月28日 11:31:23 作者：毅大師

這篇文章主要介紹了spring boot+ redis 接口訪問(wèn)頻率限制的實(shí)現(xiàn)，文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)學(xué)習(xí)吧

生產(chǎn)環(huán)境下可以解決的問(wèn)題：

　　1.短信驗(yàn)證碼請(qǐng)求評(píng)率限制（防止抓包短信轟炸）

　　2.熱點(diǎn)數(shù)據(jù)請(qǐng)求評(píng)率限制（防止數(shù)據(jù)庫(kù)爆炸）

@Component
public class BlackInterceper implements HandlerInterceptor {
 
 @Autowired
 private RedisTemplate<String, Object> redisTemplate;
 
 private Logger log = LoggerFactory.getLogger(this.getClass());
 
 @Override
 public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
  throws Exception {
 response.setHeader("Content-type", "text/html;charset=UTF-8");
 String token = request.getHeader(Cons.TOKEN.WECHAT);
 String requestURI = request.getRequestURI();
 
 if (StringUtils.isBlank(token)) {
  response.setHeader("Content-type", "text/html;charset=UTF-8");
  response.getWriter().write(JsonUtils.marshalToString(ReturnResult.build(401, "未授權(quán)")));
  return false;
 }
 Integer userId = (Integer) redisTemplate.opsForValue().get(Cons.TOKEN.WECHAT + ":" + token);
 log.error("userId={},訪問(wèn)了url={},請(qǐng)求ip={}",token,requestURI, IpUtil.getIpAddress(request));
 if(redisTemplate.hasKey("black")){
  if(redisTemplate.opsForSet().isMember("black", userId)){
  response.getWriter().write(JsonUtils.marshalToString(ReturnResult.build(500, "由于存在惡意攻擊你已被限制訪問(wèn)")));
  return false;
  }
 }
 Integer count = (Integer)redisTemplate.opsForValue().get("limit:"+token);
 if(count==null){
  redisTemplate.opsForValue().set("limit:"+token, 1, 60, TimeUnit.SECONDS);
  return true;
 }else{
  if(count>100 && count<150){
  response.getWriter().write(JsonUtils.marshalToString(ReturnResult.build(500, "請(qǐng)求太頻繁，請(qǐng)稍后再試")));
  redisTemplate.opsForValue().increment("limit:"+token, 1);
  return false;
  }else if(count>=150){
  redisTemplate.opsForSet().add("black",userId,2,TimeUnit.DAYS);
  response.getWriter().write(JsonUtils.marshalToString(ReturnResult.build(500, "請(qǐng)求太頻繁，已經(jīng)被限制訪問(wèn)")));
 
  //redisTemplate.opsForSet().add("black",token);
  return false;
  }else{
  redisTemplate.opsForValue().increment("limit:"+token, 1);
  return true;
  }
 }
 }
 
 @Override
 public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
  ModelAndView modelAndView) throws Exception {
 // TODO Auto-generated method stub
 
 }
 
 @Override
 public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
  throws Exception {
 // TODO Auto-generated method stub
 
 }
}

到此這篇關(guān)于spring boot+ redis 接口訪問(wèn)頻率限制的實(shí)現(xiàn)的文章就介紹到這了,更多相關(guān)springboot redis 接口訪問(wèn)頻率限制內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！

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