Merge branch 'master-jdk21' of https://gitee.com/zhijiantianya/ruoyi-vue-pro
# Conflicts: # README.md
This commit is contained in:
commit
ceaf192bf2
@ -20,7 +20,7 @@
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|||||||
<dependency>
|
<dependency>
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||||||
<groupId>cn.iocoder.boot</groupId>
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<groupId>cn.iocoder.boot</groupId>
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||||||
<artifactId>yudao-spring-boot-starter-web</artifactId>
|
<artifactId>yudao-spring-boot-starter-web</artifactId>
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||||||
<scope>provided</scope> <!-- 设置为 provided,只有 OncePerRequestFilter 使用到 -->
|
<scope>provided</scope> <!-- 设置为 provided,只有限流、幂等使用到 -->
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||||||
</dependency>
|
</dependency>
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||||||
|
|
||||||
<!-- DB 相关 -->
|
<!-- DB 相关 -->
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|
@ -37,7 +37,7 @@ public class IdempotentAspect {
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}
|
}
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|
|
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@Around(value = "@annotation(idempotent)")
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@Around(value = "@annotation(idempotent)")
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public Object beforePointCut(ProceedingJoinPoint joinPoint, Idempotent idempotent) throws Throwable {
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public Object aroundPointCut(ProceedingJoinPoint joinPoint, Idempotent idempotent) throws Throwable {
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// 获得 IdempotentKeyResolver
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// 获得 IdempotentKeyResolver
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IdempotentKeyResolver keyResolver = keyResolvers.get(idempotent.keyResolver());
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IdempotentKeyResolver keyResolver = keyResolvers.get(idempotent.keyResolver());
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Assert.notNull(keyResolver, "找不到对应的 IdempotentKeyResolver");
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Assert.notNull(keyResolver, "找不到对应的 IdempotentKeyResolver");
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@ -48,7 +48,7 @@ public class IdempotentAspect {
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boolean success = idempotentRedisDAO.setIfAbsent(key, idempotent.timeout(), idempotent.timeUnit());
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boolean success = idempotentRedisDAO.setIfAbsent(key, idempotent.timeout(), idempotent.timeUnit());
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// 锁定失败,抛出异常
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// 锁定失败,抛出异常
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if (!success) {
|
if (!success) {
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log.info("[beforePointCut][方法({}) 参数({}) 存在重复请求]", joinPoint.getSignature().toString(), joinPoint.getArgs());
|
log.info("[aroundPointCut][方法({}) 参数({}) 存在重复请求]", joinPoint.getSignature().toString(), joinPoint.getArgs());
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throw new ServiceException(GlobalErrorCodeConstants.REPEATED_REQUESTS.getCode(), idempotent.message());
|
throw new ServiceException(GlobalErrorCodeConstants.REPEATED_REQUESTS.getCode(), idempotent.message());
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}
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}
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|
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|
@ -0,0 +1,55 @@
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|
package cn.iocoder.yudao.framework.ratelimiter.config;
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|
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|
import cn.iocoder.yudao.framework.ratelimiter.core.aop.RateLimiterAspect;
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|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
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|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl.*;
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|
import cn.iocoder.yudao.framework.ratelimiter.core.redis.RateLimiterRedisDAO;
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|
import cn.iocoder.yudao.framework.redis.config.YudaoRedisAutoConfiguration;
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|
import org.redisson.api.RedissonClient;
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|
import org.springframework.boot.autoconfigure.AutoConfiguration;
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|
import org.springframework.context.annotation.Bean;
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|
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|
import java.util.List;
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|
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|
@AutoConfiguration(after = YudaoRedisAutoConfiguration.class)
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|
public class YudaoRateLimiterConfiguration {
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|
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|
@Bean
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|
public RateLimiterAspect rateLimiterAspect(List<RateLimiterKeyResolver> keyResolvers, RateLimiterRedisDAO rateLimiterRedisDAO) {
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|
return new RateLimiterAspect(keyResolvers, rateLimiterRedisDAO);
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|
}
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|
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|
@Bean
|
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|
@SuppressWarnings("SpringJavaInjectionPointsAutowiringInspection")
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|
public RateLimiterRedisDAO rateLimiterRedisDAO(RedissonClient redissonClient) {
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|
return new RateLimiterRedisDAO(redissonClient);
|
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|
}
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|
|
||||||
|
// ========== 各种 RateLimiterRedisDAO Bean ==========
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|
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||||||
|
@Bean
|
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|
public DefaultRateLimiterKeyResolver defaultRateLimiterKeyResolver() {
|
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|
return new DefaultRateLimiterKeyResolver();
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|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public UserRateLimiterKeyResolver userRateLimiterKeyResolver() {
|
||||||
|
return new UserRateLimiterKeyResolver();
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||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public ClientIpRateLimiterKeyResolver clientIpRateLimiterKeyResolver() {
|
||||||
|
return new ClientIpRateLimiterKeyResolver();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public ServerNodeRateLimiterKeyResolver serverNodeRateLimiterKeyResolver() {
|
||||||
|
return new ServerNodeRateLimiterKeyResolver();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
public ExpressionRateLimiterKeyResolver expressionRateLimiterKeyResolver() {
|
||||||
|
return new ExpressionRateLimiterKeyResolver();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,62 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.annotation;
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||||||
|
|
||||||
|
import cn.iocoder.yudao.framework.common.exception.enums.GlobalErrorCodeConstants;
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||||||
|
import cn.iocoder.yudao.framework.idempotent.core.keyresolver.impl.ExpressionIdempotentKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl.ClientIpRateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl.DefaultRateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl.ServerNodeRateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl.UserRateLimiterKeyResolver;
|
||||||
|
|
||||||
|
import java.lang.annotation.ElementType;
|
||||||
|
import java.lang.annotation.Retention;
|
||||||
|
import java.lang.annotation.RetentionPolicy;
|
||||||
|
import java.lang.annotation.Target;
|
||||||
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流注解
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
@Target({ElementType.METHOD})
|
||||||
|
@Retention(RetentionPolicy.RUNTIME)
|
||||||
|
public @interface RateLimiter {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流的时间,默认为 1 秒
|
||||||
|
*/
|
||||||
|
int time() default 1;
|
||||||
|
/**
|
||||||
|
* 时间单位,默认为 SECONDS 秒
|
||||||
|
*/
|
||||||
|
TimeUnit timeUnit() default TimeUnit.SECONDS;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流次数
|
||||||
|
*/
|
||||||
|
int count() default 100;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 提示信息,请求过快的提示
|
||||||
|
*
|
||||||
|
* @see GlobalErrorCodeConstants#TOO_MANY_REQUESTS
|
||||||
|
*/
|
||||||
|
String message() default ""; // 为空时,使用 TOO_MANY_REQUESTS 错误提示
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 使用的 Key 解析器
|
||||||
|
*
|
||||||
|
* @see DefaultRateLimiterKeyResolver 全局级别
|
||||||
|
* @see UserRateLimiterKeyResolver 用户 ID 级别
|
||||||
|
* @see ClientIpRateLimiterKeyResolver 用户 IP 级别
|
||||||
|
* @see ServerNodeRateLimiterKeyResolver 服务器 Node 级别
|
||||||
|
* @see ExpressionIdempotentKeyResolver 自定义表达式,通过 {@link #keyArg()} 计算
|
||||||
|
*/
|
||||||
|
Class<? extends RateLimiterKeyResolver> keyResolver() default DefaultRateLimiterKeyResolver.class;
|
||||||
|
/**
|
||||||
|
* 使用的 Key 参数
|
||||||
|
*/
|
||||||
|
String keyArg() default "";
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,60 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.aop;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.StrUtil;
|
||||||
|
import cn.iocoder.yudao.framework.common.exception.ServiceException;
|
||||||
|
import cn.iocoder.yudao.framework.common.exception.enums.GlobalErrorCodeConstants;
|
||||||
|
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.redis.RateLimiterRedisDAO;
|
||||||
|
import lombok.extern.slf4j.Slf4j;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
import org.aspectj.lang.annotation.Aspect;
|
||||||
|
import org.aspectj.lang.annotation.Before;
|
||||||
|
import org.springframework.util.Assert;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 拦截声明了 {@link RateLimiter} 注解的方法,实现限流操作
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
@Aspect
|
||||||
|
@Slf4j
|
||||||
|
public class RateLimiterAspect {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* RateLimiterKeyResolver 集合
|
||||||
|
*/
|
||||||
|
private final Map<Class<? extends RateLimiterKeyResolver>, RateLimiterKeyResolver> keyResolvers;
|
||||||
|
|
||||||
|
private final RateLimiterRedisDAO rateLimiterRedisDAO;
|
||||||
|
|
||||||
|
public RateLimiterAspect(List<RateLimiterKeyResolver> keyResolvers, RateLimiterRedisDAO rateLimiterRedisDAO) {
|
||||||
|
this.keyResolvers = CollectionUtils.convertMap(keyResolvers, RateLimiterKeyResolver::getClass);
|
||||||
|
this.rateLimiterRedisDAO = rateLimiterRedisDAO;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Before("@annotation(rateLimiter)")
|
||||||
|
public void beforePointCut(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
// 获得 IdempotentKeyResolver 对象
|
||||||
|
RateLimiterKeyResolver keyResolver = keyResolvers.get(rateLimiter.keyResolver());
|
||||||
|
Assert.notNull(keyResolver, "找不到对应的 RateLimiterKeyResolver");
|
||||||
|
// 解析 Key
|
||||||
|
String key = keyResolver.resolver(joinPoint, rateLimiter);
|
||||||
|
|
||||||
|
// 获取 1 次限流
|
||||||
|
boolean success = rateLimiterRedisDAO.tryAcquire(key,
|
||||||
|
rateLimiter.count(), rateLimiter.time(), rateLimiter.timeUnit());
|
||||||
|
if (!success) {
|
||||||
|
log.info("[beforePointCut][方法({}) 参数({}) 请求过于频繁]", joinPoint.getSignature().toString(), joinPoint.getArgs());
|
||||||
|
String message = StrUtil.blankToDefault(rateLimiter.message(),
|
||||||
|
GlobalErrorCodeConstants.TOO_MANY_REQUESTS.getMsg());
|
||||||
|
throw new ServiceException(GlobalErrorCodeConstants.TOO_MANY_REQUESTS.getCode(), message);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,22 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver;
|
||||||
|
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流 Key 解析器接口
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public interface RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 解析一个 Key
|
||||||
|
*
|
||||||
|
* @param rateLimiter 限流注解
|
||||||
|
* @param joinPoint AOP 切面
|
||||||
|
* @return Key
|
||||||
|
*/
|
||||||
|
String resolver(JoinPoint joinPoint, RateLimiter rateLimiter);
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,27 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.StrUtil;
|
||||||
|
import cn.hutool.crypto.SecureUtil;
|
||||||
|
import cn.iocoder.yudao.framework.common.util.servlet.ServletUtils;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 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
|
||||||
|
*
|
||||||
|
* 为了避免 Key 过长,使用 MD5 进行“压缩”
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public class ClientIpRateLimiterKeyResolver implements RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
String methodName = joinPoint.getSignature().toString();
|
||||||
|
String argsStr = StrUtil.join(",", joinPoint.getArgs());
|
||||||
|
String clientIp = ServletUtils.getClientIP();
|
||||||
|
return SecureUtil.md5(methodName + argsStr + clientIp);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,25 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.StrUtil;
|
||||||
|
import cn.hutool.crypto.SecureUtil;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 默认(全局级别)限流 Key 解析器,使用方法名 + 方法参数,组装成一个 Key
|
||||||
|
*
|
||||||
|
* 为了避免 Key 过长,使用 MD5 进行“压缩”
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public class DefaultRateLimiterKeyResolver implements RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
String methodName = joinPoint.getSignature().toString();
|
||||||
|
String argsStr = StrUtil.join(",", joinPoint.getArgs());
|
||||||
|
return SecureUtil.md5(methodName + argsStr);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,64 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.ArrayUtil;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
import org.aspectj.lang.reflect.MethodSignature;
|
||||||
|
import org.springframework.core.DefaultParameterNameDiscoverer;
|
||||||
|
import org.springframework.core.ParameterNameDiscoverer;
|
||||||
|
import org.springframework.expression.Expression;
|
||||||
|
import org.springframework.expression.ExpressionParser;
|
||||||
|
import org.springframework.expression.spel.standard.SpelExpressionParser;
|
||||||
|
import org.springframework.expression.spel.support.StandardEvaluationContext;
|
||||||
|
|
||||||
|
import java.lang.reflect.Method;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 基于 Spring EL 表达式的 {@link RateLimiterKeyResolver} 实现类
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public class ExpressionRateLimiterKeyResolver implements RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
private final ParameterNameDiscoverer parameterNameDiscoverer = new DefaultParameterNameDiscoverer();
|
||||||
|
|
||||||
|
private final ExpressionParser expressionParser = new SpelExpressionParser();
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
// 获得被拦截方法参数名列表
|
||||||
|
Method method = getMethod(joinPoint);
|
||||||
|
Object[] args = joinPoint.getArgs();
|
||||||
|
String[] parameterNames = this.parameterNameDiscoverer.getParameterNames(method);
|
||||||
|
// 准备 Spring EL 表达式解析的上下文
|
||||||
|
StandardEvaluationContext evaluationContext = new StandardEvaluationContext();
|
||||||
|
if (ArrayUtil.isNotEmpty(parameterNames)) {
|
||||||
|
for (int i = 0; i < parameterNames.length; i++) {
|
||||||
|
evaluationContext.setVariable(parameterNames[i], args[i]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// 解析参数
|
||||||
|
Expression expression = expressionParser.parseExpression(rateLimiter.keyArg());
|
||||||
|
return expression.getValue(evaluationContext, String.class);
|
||||||
|
}
|
||||||
|
|
||||||
|
private static Method getMethod(JoinPoint point) {
|
||||||
|
// 处理,声明在类上的情况
|
||||||
|
MethodSignature signature = (MethodSignature) point.getSignature();
|
||||||
|
Method method = signature.getMethod();
|
||||||
|
if (!method.getDeclaringClass().isInterface()) {
|
||||||
|
return method;
|
||||||
|
}
|
||||||
|
|
||||||
|
// 处理,声明在接口上的情况
|
||||||
|
try {
|
||||||
|
return point.getTarget().getClass().getDeclaredMethod(
|
||||||
|
point.getSignature().getName(), method.getParameterTypes());
|
||||||
|
} catch (NoSuchMethodException e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,27 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.StrUtil;
|
||||||
|
import cn.hutool.crypto.SecureUtil;
|
||||||
|
import cn.hutool.system.SystemUtil;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Server 节点级别的限流 Key 解析器,使用方法名 + 方法参数 + IP,组装成一个 Key
|
||||||
|
*
|
||||||
|
* 为了避免 Key 过长,使用 MD5 进行“压缩”
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public class ServerNodeRateLimiterKeyResolver implements RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
String methodName = joinPoint.getSignature().toString();
|
||||||
|
String argsStr = StrUtil.join(",", joinPoint.getArgs());
|
||||||
|
String serverNode = String.format("%s@%d", SystemUtil.getHostInfo().getAddress(), SystemUtil.getCurrentPID());
|
||||||
|
return SecureUtil.md5(methodName + argsStr + serverNode);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,28 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.impl;
|
||||||
|
|
||||||
|
import cn.hutool.core.util.StrUtil;
|
||||||
|
import cn.hutool.crypto.SecureUtil;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.annotation.RateLimiter;
|
||||||
|
import cn.iocoder.yudao.framework.ratelimiter.core.keyresolver.RateLimiterKeyResolver;
|
||||||
|
import cn.iocoder.yudao.framework.web.core.util.WebFrameworkUtils;
|
||||||
|
import org.aspectj.lang.JoinPoint;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 用户级别的限流 Key 解析器,使用方法名 + 方法参数 + userId + userType,组装成一个 Key
|
||||||
|
*
|
||||||
|
* 为了避免 Key 过长,使用 MD5 进行“压缩”
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
public class UserRateLimiterKeyResolver implements RateLimiterKeyResolver {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String resolver(JoinPoint joinPoint, RateLimiter rateLimiter) {
|
||||||
|
String methodName = joinPoint.getSignature().toString();
|
||||||
|
String argsStr = StrUtil.join(",", joinPoint.getArgs());
|
||||||
|
Long userId = WebFrameworkUtils.getLoginUserId();
|
||||||
|
Integer userType = WebFrameworkUtils.getLoginUserType();
|
||||||
|
return SecureUtil.md5(methodName + argsStr + userId + userType);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,60 @@
|
|||||||
|
package cn.iocoder.yudao.framework.ratelimiter.core.redis;
|
||||||
|
|
||||||
|
import lombok.AllArgsConstructor;
|
||||||
|
import org.redisson.api.*;
|
||||||
|
|
||||||
|
import java.util.Objects;
|
||||||
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流 Redis DAO
|
||||||
|
*
|
||||||
|
* @author 芋道源码
|
||||||
|
*/
|
||||||
|
@AllArgsConstructor
|
||||||
|
public class RateLimiterRedisDAO {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 限流操作
|
||||||
|
*
|
||||||
|
* KEY 格式:rate_limiter:%s // 参数为 uuid
|
||||||
|
* VALUE 格式:String
|
||||||
|
* 过期时间:不固定
|
||||||
|
*/
|
||||||
|
private static final String RATE_LIMITER = "rate_limiter:%s";
|
||||||
|
|
||||||
|
private final RedissonClient redissonClient;
|
||||||
|
|
||||||
|
public Boolean tryAcquire(String key, int count, int time, TimeUnit timeUnit) {
|
||||||
|
// 1. 获得 RRateLimiter,并设置 rate 速率
|
||||||
|
RRateLimiter rateLimiter = getRRateLimiter(key, count, time, timeUnit);
|
||||||
|
// 2. 尝试获取 1 个
|
||||||
|
return rateLimiter.tryAcquire();
|
||||||
|
}
|
||||||
|
|
||||||
|
private static String formatKey(String key) {
|
||||||
|
return String.format(RATE_LIMITER, key);
|
||||||
|
}
|
||||||
|
|
||||||
|
private RRateLimiter getRRateLimiter(String key, long count, int time, TimeUnit timeUnit) {
|
||||||
|
String redisKey = formatKey(key);
|
||||||
|
RRateLimiter rateLimiter = redissonClient.getRateLimiter(redisKey);
|
||||||
|
long rateInterval = timeUnit.toSeconds(time);
|
||||||
|
// 1. 如果不存在,设置 rate 速率
|
||||||
|
RateLimiterConfig config = rateLimiter.getConfig();
|
||||||
|
if (config == null) {
|
||||||
|
rateLimiter.trySetRate(RateType.OVERALL, count, rateInterval, RateIntervalUnit.SECONDS);
|
||||||
|
return rateLimiter;
|
||||||
|
}
|
||||||
|
// 2. 如果存在,并且配置相同,则直接返回
|
||||||
|
if (config.getRateType() == RateType.OVERALL
|
||||||
|
&& Objects.equals(config.getRate(), count)
|
||||||
|
&& Objects.equals(config.getRateInterval(), TimeUnit.SECONDS.toMillis(rateInterval))) {
|
||||||
|
return rateLimiter;
|
||||||
|
}
|
||||||
|
// 3. 如果存在,并且配置不同,则进行新建
|
||||||
|
rateLimiter.setRate(RateType.OVERALL, count, rateInterval, RateIntervalUnit.SECONDS);
|
||||||
|
return rateLimiter;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,4 @@
|
|||||||
|
/**
|
||||||
|
* 限流组件,基于 Redisson {@link org.redisson.api.RRateLimiter} 限流实现
|
||||||
|
*/
|
||||||
|
package cn.iocoder.yudao.framework.ratelimiter;
|
@ -1,2 +1,3 @@
|
|||||||
cn.iocoder.yudao.framework.idempotent.config.YudaoIdempotentConfiguration
|
cn.iocoder.yudao.framework.idempotent.config.YudaoIdempotentConfiguration
|
||||||
cn.iocoder.yudao.framework.lock4j.config.YudaoLock4jConfiguration
|
cn.iocoder.yudao.framework.lock4j.config.YudaoLock4jConfiguration
|
||||||
|
cn.iocoder.yudao.framework.ratelimiter.config.YudaoRateLimiterConfiguration
|
Loading…
Reference in New Issue
Block a user