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可以通过注解快速实现类似10分钟内仅可以搜索3次,以及N分钟尝试登陆多次即被禁止一小时等类似功能。
github地址
中文文档
<dependency>
<groupId>io.github.liuye744</groupId>
<artifactId>simpleAuth-spring-boot-starter</artifactId>
<version>1.3.3.RELEASE</version>
</dependency>
可以为整个Controller添加,也可以为Controller中单个方法添加。访问超过限制则会抛出AccessIsRestrictedException
@RestController
public class MyController {
@GetMapping("say")
//10分钟内只允许访问5次,超过之后将会被禁止10分钟
@SimpleLimit(value = 5, seconds = 600, ban = 600)
public String say(){
return "Hello World";
}
}
当返回“success”时才记录操作,返回其他内容时不记录操作,不限制访问
@RestController public class MyController { @GetMapping("say") @SimpleLimit(effectiveStrategic = MyEffectiveStrategic.class) public String say(String str){ if (str.length()>3 && str.length()<12){ return "success"; }else { return "fail"; } } } public class MyEffectiveStrategic extends EffectiveStrategic { @Override public Boolean effective(HttpServletRequest request, ProceedingJoinPoint joinPoint, Object result) { String myResult = (String)result; //返回true则记录,false不记录 return "success".equals(myResult); } }
传递的参数不同访问限制不同(例如想要规定时间内每个资源只能点赞N次)
@RestController public class MyController { @GetMapping("say") @SimpleLimit(signStrategic = MySignStrategic.class) public String say(String str){ return "Hello World"; } } public class MySignStrategic extends SignStrategic { @Override public String sign(HttpServletRequest request, ProceedingJoinPoint joinPoint) { final Object[] args = joinPoint.getArgs(); final Signature signature = joinPoint.getSignature(); //将参数拼接到用户sign中,保证每个用户传递不同的参数标志不相同 StringBuilder sb = new StringBuilder(); sb.append(signature); for (Object arg : args) { sb.append(arg.toString()); } System.out.println(sb); return sb.toString(); } }
或者可以使用预制的DiffParameterSign
策略,来实现相同的效果
@RestController
public class MyController {
@GetMapping("say")
@SimpleLimit(signStrategic = DiffParameterSign.class)
public String say(String str){
return "Hello World";
}
}
//全局访问控制 @Component public class MyInterceptor implements HandlerInterceptor { @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { final String addr = request.getRemoteAddr(); //以用户的地址作为标志,每5分钟(300s)只允许访问2次,超过之后被禁止10分钟 //addRecord方法调用后可以访问则返回true,禁止访问返回false return LimitInfoUtil.addRecord("GLOBAL_ACCESS_CONTROL", addr, 2, 300, 600); } } @Configuration public class InterceptorConfig implements WebMvcConfigurer { @Override public void addInterceptors(InterceptorRegistry registry) { registry.addInterceptor(new MyInterceptor()).addPathPatterns("/*"); } }
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