通过注解、切面、反射实现返回信息脱敏

/*** projectName micro-util* package com.open.util.handler.aspect* className SensitiveMethod  * * description: 标注于需要处理的方法上* ** @author joshua_liu* @date 2021/12/20 10:11*/@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceSensitiveMethod {
/*** 是否启用*/booleanenabled() defaulttrue;
booleanencParamEnabled() defaultfalse;
booleanencResultEnabled() defaultfalse;
booleansensitiveResultEnabled() defaulttrue;
ClasssensitiveClass() defaultInteger.class;
SensitiveMapMeta[] sensitiveMapMeta() default {};
}
/*** projectName micro-util* package com.open.util.handler.aspect* className SensitiveMapMeta  * * description: 标注于需要处理的方法上,当返回类型是map时标注* ** @author joshua_liu* @date 2021/12/20 10:11*/@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceSensitiveMapMeta {
Stringkey() default"";
ClasssensitiveClass() defaultInteger.class;
booleanencResultEnabled() defaultfalse;
booleansensitiveResultEnabled() defaulttrue;
}
/*** projectName micro-util* package com.open.util.handler.aspect* className EncMeta  * * description: 标注于需要加密的字段上* ** @author joshua_liu* @date 2021/12/20 10:11*/@Target({ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceEncMeta {
}
@Target({ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceEncSubMeta {
}
@Target({ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceSensitiveMeta {
/*** 开始替换位置*/intrpStart() default0;
/*** 结束替换位置*/intrpEnd() default1;
/*** 替换成的符号*/StringrpSymbol() default"*";
}
@Target({ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documentedpublic@interfaceSensitiveSubMeta {
}
@Slf4j@Aspect@Order(Ordered.LOWEST_PRECEDENCE-100)
@Component@ConditionalOnProperty(prefix="open.advice.sensitive", name="enabled", havingValue="true")
publicclassSensitiveInfoAspect {
@AutowiredprivateListsensitiveManageChain=newCopyOnWriteArrayList<>();
@AutowiredprivateTransSensitiveFieldProvidertransSensitiveField;
@Pointcut("@annotation(com.open.util.entity.annotation.SensitiveMethod)")
privatevoidallAnnotationMethod() {
    }
/*** description: PARAMETER 不支持，所有加密的数据都放到body中* //        Object[] args = point.getArgs();* //        Annotation[][] paramAnnotations = method.getParameterAnnotations();* //        for (int i = 0; i < paramAnnotations.length; i++) {* //            for (int j = 0; j < paramAnnotations[i].length; j++) {* //                Annotation currentAnnotation = paramAnnotations[i][j];* //                Object arg = args[i];* //                if (currentAnnotation instanceof EncMeta && Objects.nonNull(arg) && arg instanceof String) {* //                    log.debug("Source args[{}] value {}", i, arg);* //                    args[i] = encManager.decField(String.valueOf(arg));* //                }* //            }* //        }** @param point* @return {@link Object}* @throws* @author joshua_liu* @date 2021/12/21 17:53*/@Around("allAnnotationMethod()")
publicObjectdoAround(ProceedingJoinPointpoint) throwsThrowable {
MethodSignaturesignature= (MethodSignature) point.getSignature();
Methodmethod=signature.getMethod();
SensitiveMethodsensitiveMethodMeta=method.getAnnotation(SensitiveMethod.class);
if (sensitiveMethodMeta.encParamEnabled()) {
ArrayListdecFields=newArrayList<>();
Object[] args=point.getArgs();
Annotation[][] paramAnnotations=method.getParameterAnnotations();
for (inti=0; i<paramAnnotations.length; i++) {
for (intj=0; j<paramAnnotations[i].length; j++) {
AnnotationcurrentAnnotation=paramAnnotations[i][j];
Objectarg=args[i];
if (currentAnnotationinstanceofRequestBody&&Objects.nonNull(arg)) {
Field[] fields=arg.getClass().getDeclaredFields();
transSensitiveField.classifyFields(arg.getClass(), fields, decFields, null, null, null);
log.debug("Source args[{}] value {}", i, arg);
decFields.forEach(e->transSensitiveField.decField(e, arg));
                    }
                }
            }
        }
ObjecttempObj=point.proceed();
if (!sensitiveMethodMeta.enabled() ||Objects.isNull(tempObj)) {
returntempObj;
        }
ListsortedChain=sensitiveManageChain.stream()
                .sorted(Comparator.comparing(SensitiveManageChain::getOrder)).collect(Collectors.toList());
for (inti=0; i<sortedChain.size() -1; i++) {
sortedChain.get(i).setNextChain(sortedChain.get(i+1));
        }
returnsortedChain.get(0).sensitiveHand(tempObj, method, sensitiveMethodMeta, null, newArrayList<>(), newArrayList<>(),
newArrayList<>(), newArrayList<>(), sortedChain);
    }
}