springboot spring aop 拦截器注解方式实现脱敏

package com.example.tuomin.util; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.serializer.SerializerFeature; import com.example.tuomin.annotations.Desensitized; import org.apache.commons.lang3.StringUtils; import java.lang.reflect.*; import java.util.*; /** * 实现脱敏处理工具类 * @author sanch * */ public class DesensitizedUtils { /** * 获取脱敏json串(递归引用会导致java.lang.StackOverflowError) * * @param javaBean * @return */ public static String getJson(Object javaBean) { String json = null; if (null != javaBean) { try { if (javaBean.getClass().isInterface()) return json; /* 克隆出一个实体进行字段修改，避免修改原实体 */ //Object clone =ObjectUtils.deepCloneObject(javaBean); //Object clone =ObjectUtils.deepCloneByFastJson(javaBean); Object clone = ObjectUtils.deepClone(javaBean); /* 定义一个计数器，用于避免重复循环自定义对象类型的字段 */ Set<Integer> referenceCounter = new HashSet<Integer>(); /* 对克隆实体进行脱敏操作 */ DesensitizedUtils.replace(ObjectUtils.getAllFields(clone), clone, referenceCounter); /* 利用fastjson对脱敏后的克隆对象进行序列化 */ json = JSON.toJSONString(clone, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullListAsEmpty); /* 清空计数器 */ referenceCounter.clear(); referenceCounter = null; } catch (Throwable e) { e.printStackTrace(); } } return json; } /** * 对需要脱敏的字段进行转化 * * @param fields * @param javaBean * @param referenceCounter * @throws IllegalArgumentException * @throws IllegalAccessException */ private static void replace(Field[] fields, Object javaBean, Set<Integer> referenceCounter) throws IllegalArgumentException, IllegalAccessException { if (null != fields && fields.length > 0) { for (Field field : fields) { field.setAccessible(true); if (null != field && null != javaBean) { Object value = field.get(javaBean); if (null != value) { Class<?> type = value.getClass(); //处理子属性，包括集合中的 if (type.isArray()) {//对数组类型的字段进行递归过滤 int len = Array.getLength(value); for (int i = 0; i < len; i++) { Object arrayObject = Array.get(value, i); if (isNotGeneralType(arrayObject.getClass(), arrayObject, referenceCounter)) { replace(ObjectUtils.getAllFields(arrayObject), arrayObject, referenceCounter); } } } else if (value instanceof Collection<?>) {//对集合类型的字段进行递归过滤 Collection<?> c = (Collection<?>) value; Iterator<?> it = c.iterator(); while (it.hasNext()) {// TODO: 待优化 Object collectionObj = it.next(); if (isNotGeneralType(collectionObj.getClass(), collectionObj, referenceCounter)) { replace(ObjectUtils.getAllFields(collectionObj), collectionObj, referenceCounter); } } } else if (value instanceof Map<?, ?>) {//对Map类型的字段进行递归过滤 Map<?, ?> m = (Map<?, ?>) value; Set<?> set = m.entrySet(); for (Object o : set) { Map.Entry<?, ?> entry = (Map.Entry<?, ?>) o; Object mapVal = entry.getValue(); if (isNotGeneralType(mapVal.getClass(), mapVal, referenceCounter)) { replace(ObjectUtils.getAllFields(mapVal), mapVal, referenceCounter); } } } else if (value instanceof Enum<?>) { continue; } /*除基础类型、jdk类型的字段之外，对其他类型的字段进行递归过滤*/ else { if (!type.isPrimitive() && type.getPackage() != null && !StringUtils.startsWith(type.getPackage().getName(), "javax.") && !StringUtils.startsWith(type.getPackage().getName(), "java.") && !StringUtils.startsWith(field.getType().getName(), "javax.") && !StringUtils.startsWith(field.getName(), "java.") && referenceCounter.add(value.hashCode())) { replace(ObjectUtils.getAllFields(value), value, referenceCounter); } } } //脱敏操作 setNewValueForField(javaBean, field, value); } } } } /** * 排除基础类型、jdk类型、枚举类型的字段 * * @param clazz * @param value * @param referenceCounter * @return */ private static boolean isNotGeneralType(Class<?> clazz, Object value, Set<Integer> referenceCounter) { return !clazz.isPrimitive() && clazz.getPackage() != null && !clazz.isEnum() && !StringUtils.startsWith(clazz.getPackage().getName(), "javax.") && !StringUtils.startsWith(clazz.getPackage().getName(), "java.") && !StringUtils.startsWith(clazz.getName(), "javax.") && !StringUtils.startsWith(clazz.getName(), "java.") && referenceCounter.add(value.hashCode()); } /** * 脱敏操作（按照规则转化需要脱敏的字段并设置新值） * 目前只支持String类型的字段，如需要其他类型如BigDecimal、Date等类型，可以添加 * * @param javaBean * @param field * @param value * @throws IllegalAccessException */ public static void setNewValueForField(Object javaBean, Field field, Object value) throws IllegalAccessException { //处理自身的属性 Desensitized annotation = field.getAnnotation(Desensitized.class); if (field.getType().equals(String.class) && null != annotation && executeIsEffictiveMethod(javaBean, annotation)) { String valueStr = (String) value; if (StringUtils.isNotBlank(valueStr)) { switch (annotation.type()) { case CHINESE_NAME: { field.set(javaBean, DesensitizedUtils.chineseName(valueStr)); break; } case ID_CARD: { field.set(javaBean, DesensitizedUtils.idCardNum(valueStr)); break; } case FIXED_PHONE: { field.set(javaBean, DesensitizedUtils.fixedPhone(valueStr)); break; } case MOBI