package com.iailab.framework.ratelimiter.core.keyresolver.impl;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.crypto.SecureUtil;
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import com.iailab.framework.common.util.servlet.ServletUtils;
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import com.iailab.framework.ratelimiter.core.annotation.RateLimiter;
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import com.iailab.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
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import org.aspectj.lang.JoinPoint;
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/**
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* IP 级别的限流 Key 解析器,使用方法名 + 方法参数 + IP,组装成一个 Key
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*
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* 为了避免 Key 过长,使用 MD5 进行“压缩”
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*
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* @author iailab
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*/
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public class ClientIpRateLimiterKeyResolver implements RateLimiterKeyResolver {
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@Override
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public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
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String methodName = joinPoint.getSignature().toString();
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String argsStr = StrUtil.join(",", joinPoint.getArgs());
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String clientIp = ServletUtils.getClientIP();
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return SecureUtil.md5(methodName + argsStr + clientIp);
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}
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}
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