本篇文章為大家展示了怎么在spring boot中限制redis 接口的訪問(wèn)頻率,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過(guò)這篇文章的詳細(xì)介紹希望你能有所收獲。
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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 } }
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