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Java 如何通过注解实现接口输出时数据脱敏

2024-04-02 19:04:59 547人浏览 薄情痞子

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摘要

目录Java注解实现接口输出数据脱敏先声明了一个注解我们目前只支持对手机号然后我们需要实现注解的拦截功能我对默认声明和脱敏名称和手机号进行了测试Java注解的字段脱敏处理定义需要脱敏

Java注解实现接口输出数据脱敏

在后台管理中，对于手机号，身份证，姓名这些数据不允许所有人都能看，这时候我们要对相对数据进行脱敏.

先声明了一个注解

通过对相关接口函数进行声明，以及配置需要脱敏的参数类型SecretTypeEnum，默认脱敏手机号



@Documented
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface SecretManage {

    SecretTypeEnum[] value() default {SecretTypeEnum.MOBILE};

}

我们目前只支持对手机号

身份证，用户姓名三个字段进行脱敏, 字段名称必须符合枚举的desc值


package com.test.base.enums;


import com.fasterxml.jackson.annotation.JSONValue;


public enum SecretTypeEnum implements BaseEnum {
    MOBILE(0, "mobile"),
    NAME(1, "name"),
    ID(2, "identity")
    ;

    @jsonValue
    private int code;
    private String desc;

    public String getDesc() {
        return desc;
    }

    SecretTypeEnum(int code, String desc) {
        this.code = code;
        this.desc = desc;
    }

    @Override
    public int code() {
        return code;
    }

    public static SecretTypeEnum checkParam(String paramName) {
        SecretTypeEnum[] values = values();
        for (int i = 0; i < values.length; i++) {
            if (paramName.equals(values[i].getDesc())) {
                return values[i];
            }
        }
        return null;
    }
}

然后我们需要实现注解的拦截功能



@Order(1)
@Aspect
@Component
public class SecretManageAspect {

    @Pointcut("@annotation(com.test.base.annotations.SecretManage)")
    public void pointCut() {
    }


    @Around("pointCut() && @annotation(secretManage)")
    public Object secretManageAround(ProceedingJoinPoint joinPoint, SecretManage secretManage) throws Throwable {
        Class returnType = ((MethodSignature) joinPoint.getSignature()).getReturnType();
        Object invokeResult = joinPoint.proceed();
        if (returnType.isInstance(invokeResult)) {
            returnType.cast(invokeResult);
        }
        Field[] fields = returnType.getDeclaredFields();
        List<SecretTypeEnum> annotationSecretTypeEnums = Arrays.asList(secretManage.value());
        for (Field field : fields) {
            String fieldName = field.getName();
            Class<?> paramType = field.getType();
            System.out.println("字段名称:" + fieldName);
            SecretTypeEnum secretTypeEnum = SecretTypeEnum.checkParam(fieldName);
            long count = annotationSecretTypeEnums.stream().filter(item -> item.equals(secretTypeEnum)).count();
            if (secretTypeEnum != null && count > 0) {
                fieldName = fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
                // 获取到setter方法
                Method setMethod = returnType.getMethod("set" + fieldName, new Class[]{paramType});
                // 获取到getter方法
                Method getMethod = returnType.getMethod("get" + fieldName);
                // 执行getter方法
                Object value = getMethod.invoke(invokeResult);
                this.invokeSetter(setMethod, invokeResult, secretTypeEnum, value);
            }
        }
        return invokeResult;
    }

    
    private void invokeSetter(Method setterMethod, Object invokeResult, SecretTypeEnum secretTypeEnum, Object value)
        throws InvocationTargetException, IllegalAccessException {
        switch (secretTypeEnum) {
            case NAME:
                setterMethod.invoke(invokeResult, SecretUtil.nameSecret(value.toString()));
                break;
            case MOBILE:
                setterMethod.invoke(invokeResult, SecretUtil.mobileSecret(value.toString()));
                break;
            case ID:
                setterMethod.invoke(invokeResult, SecretUtil.idNoSecret(value.toString()));
                break;
        }
    }
}

上面我们就是实现了脱敏的功能，现在我们可以mock接口看看结果了，

我对默认声明和脱敏名称和手机号进行了测试


	
	@GetMapping("/test-secret")
//	@SecretManage(value = {SecretTypeEnum.NAME, SecretTypeEnum.MOBILE})
	@SecretManage
	public User getSecretUser() {
		User user = new User();
		user.setId(1);
		user.setMobile("13715166409");
		user.setName("张志新");
		user.setIdentity("370283790911703");
		return user;
	}

下面是测试结果

在这里插入图片描述

Java注解的字段脱敏处理

有这样一个场景，系统中可以出现敏感的数据，在打印日志的时候，我们并不希望打印出现，这样，我们使用自己定义注解，来解决这个问题。

定义需要脱敏的字段规则


import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
 
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
 
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.Google.gson.Gson;
import com.ucf.platfORM.framework.core.annotation.SensitiveInfo;
import com.ucf.platform.framework.core.log.UcfLogger;
import com.ucf.platform.framework.core.log.UcfLoggerFactory;
 

public final class SensitiveInfoUtils {
 
    private final static UcfLogger logger = UcfLoggerFactory.getLogger(SensitiveInfoUtils.class);
 
    
    public static String chineseName(String fullName) {
        if (StringUtils.isBlank(fullName)) {
            return "";
        }
        String name = StringUtils.left(fullName, 1);
        return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
    }
 
    
    public static String chineseName(String familyName, String givenName) {
        if (StringUtils.isBlank(familyName) || StringUtils.isBlank(givenName)) {
            return "";
        }
        return chineseName(familyName + givenName);
    }
 
    
    public static String idCardNum(String id) {
        if (StringUtils.isBlank(id)) {
            return "";
        }
        String num = StringUtils.right(id, 4);
        return StringUtils.leftPad(num, StringUtils.length(id), "*");
    }
 
    
    public static String fixedPhone(String num) {
        if (StringUtils.isBlank(num)) {
            return "";
        }
        return StringUtils.leftPad(StringUtils.right(num, 4), StringUtils.length(num), "*");
    }
 
    
    public static String mobilePhone(String num) {
        if (StringUtils.isBlank(num)) {
            return "";
        }
        return StringUtils.left(num, 3).concat(StringUtils.removeStart(StringUtils.leftPad(StringUtils.right(num, 4), StringUtils.length(num), "*"), "***"));
    }
 
    
    public static String address(String address, int sensitiveSize) {
        if (StringUtils.isBlank(address)) {
            return "";
        }
        int length = StringUtils.length(address);
        return StringUtils.rightPad(StringUtils.left(address, length - sensitiveSize), length, "*");
    }
 
    
    public static String email(String email) {
        if (StringUtils.isBlank(email)) {
            return "";
        }
        int index = StringUtils.indexOf(email, "@");
        if (index <= 1)
            return email;
        else
            return StringUtils.rightPad(StringUtils.left(email, 1), index, "*").concat(StringUtils.mid(email, index, StringUtils.length(email)));
    }
 
    
    public static String bankCard(String cardNum) {
        if (StringUtils.isBlank(cardNum)) {
            return "";
        }
        return StringUtils.left(cardNum, 6).concat(StringUtils.removeStart(StringUtils.leftPad(StringUtils.right(cardNum, 4), StringUtils.length(cardNum), "*"), "******"));
    }
 
    
    public static String cnapsCode(String code) {
        if (StringUtils.isBlank(code)) {
            return "";
        }
        return StringUtils.rightPad(StringUtils.left(code, 2), StringUtils.length(code), "*");
    }
 
    
    public static String getJson(Object javaBean) {
        String json = null;
        if (null != javaBean) {
            Class<? extends Object> raw = javaBean.getClass();
            try {
                if (raw.isInterface())
                    return json;
                Gson g = new Gson();
                Object clone = g.fromJson(g.toJson(javaBean, javaBean.getClass()), javaBean.getClass());
                Set<Integer> referenceCounter = new HashSet<Integer>();
                SensitiveInfoUtils.replace(SensitiveInfoUtils.findAllField(raw), clone, referenceCounter);
                json = JSON.toJSONString(clone, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullListAsEmpty);
                referenceCounter.clear();
                referenceCounter = null;
            } catch (Throwable e) {
                logger.error("SensitiveInfoUtils.getJson() ERROR", e);
            }
        }
        return json;
    }
 
    private static Field[] findAllField(Class<?> clazz) {
        Field[] fileds = clazz.getDeclaredFields();
        while (null != clazz.getSuperclass() && !Object.class.equals(clazz.getSuperclass())) {
            fileds = (Field[]) ArrayUtils.addAll(fileds, clazz.getSuperclass().getDeclaredFields());
            clazz = clazz.getSuperclass();
        }
        return fileds;
    }
    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();
                        // 1.处理子属性，包括集合中的
                        if (type.isArray()) {
                            int len = Array.getLength(value);
                            for (int i = 0; i < len; i++) {
                                Object arrayObject = Array.get(value, i);
                                SensitiveInfoUtils.replace(SensitiveInfoUtils.findAllField(arrayObject.getClass()), arrayObject, referenceCounter);
                            }
                        } else if (value instanceof Collection<?>) {
                            Collection<?> c = (Collection<?>) value;
                            Iterator<?> it = c.iterator();
                            while (it.hasNext()) {
                                Object collectionObj = it.next();
                                SensitiveInfoUtils.replace(SensitiveInfoUtils.findAllField(collectionObj.getClass()), collectionObj, referenceCounter);
                            }
                        } else if (value instanceof Map<?, ?>) {
                            Map<?, ?> m = (Map<?, ?>) value;
                            Set<?> set = m.entrySet();
                            for (Object o : set) {
                                Entry<?, ?> entry = (Entry<?, ?>) o;
                                Object mapVal = entry.getValue();
                                SensitiveInfoUtils.replace(SensitiveInfoUtils.findAllField(mapVal.getClass()), mapVal, referenceCounter);
                            }
                        } else if (!type.isPrimitive()
                                   && !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())) {
                            SensitiveInfoUtils.replace(SensitiveInfoUtils.findAllField(type), value, referenceCounter);
                        }
                    }
                    // 2. 处理自身的属性
                    SensitiveInfo annotation = field.getAnnotation(SensitiveInfo.class);
                    if (field.getType().equals(String.class) && null != annotation) {
                        String valueStr = (String) value;
                        if (StringUtils.isNotBlank(valueStr)) {
                            switch (annotation.type()) {
                                case CHINESE_NAME: {
                                    field.set(javaBean, SensitiveInfoUtils.chineseName(valueStr));
                                    break;
                                }
                                case ID_CARD: {
                                    field.set(javaBean, SensitiveInfoUtils.idCardNum(valueStr));
                                    break;
                                }
                                case FIXED_PHONE: {
                                    field.set(javaBean, SensitiveInfoUtils.fixedPhone(valueStr));
                                    break;
                                }
                                case MOBILE_PHONE: {
                                    field.set(javaBean, SensitiveInfoUtils.mobilePhone(valueStr));
                                    break;
                                }
                                case ADDRESS: {
                                    field.set(javaBean, SensitiveInfoUtils.address(valueStr, 4));
                                    break;
                                }
                                case EMAIL: {
                                    field.set(javaBean, SensitiveInfoUtils.email(valueStr));
                                    break;
                                }
                                case BANK_CARD: {
                                    field.set(javaBean, SensitiveInfoUtils.bankCard(valueStr));
                                    break;
                                }
                                case CNAPS_CODE: {
                                    field.set(javaBean, SensitiveInfoUtils.cnapsCode(valueStr));
                                    break;
                                }
                            }
                        }
                    }
                }
            }
        }
    }
   
//----------------------------------------------------------------------------------------------
    public static Method [] findAllMethod(Class<?> clazz){
        Method [] methods= clazz.getMethods();
        return methods;
    }
  
  //----------------------------------------------------------------------------------------------
    public static enum SensitiveType {
        
        CHINESE_NAME,
 
        
        ID_CARD,
        
        FIXED_PHONE,
        
        MOBILE_PHONE,
        
        ADDRESS,
        
        EMAIL,
        
        BANK_CARD,
        
        CNAPS_CODE;
    }
}

声明注解


import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
 
import com.ucf.platform.framework.core.util.SensitiveInfoUtils;
 

@Target({ElementType.FIELD,ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Inherited
@Documented
public @interface SensitiveInfo {
 
    public SensitiveInfoUtils.SensitiveType type() ;
}

测试


public class JavaBeanA {
    
    public JavaBeanA(String name,String id){
        
    }
    
    @SensitiveInfo(type=SensitiveType.CHINESE_NAME)
    private String name = "A先生";
    
    private JavaBeanB b;
    
    private Date date;
    
    private List<JavaBeanB> list;
    
    private Map<String,JavaBeanB> map;
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public JavaBeanB getB() {
        return b;
    }
 
    public void setB(JavaBeanB b) {
        this.b = b;
    }
 
    public List<JavaBeanB> getList() {
        return list;
    }
 
    public void setList(List<JavaBeanB> list) {
        this.list = list;
    }
 
    public Map<String, JavaBeanB> getMap() {
        return map;
    }
 
    public void setMap(Map<String, JavaBeanB> map) {
        this.map = map;
    }
 
    public Date getDate() {
        return date;
    }
 
    public void setDate(Date date) {
        this.date = date;
    }
    
}

public class JavaBeanB {
    @SensitiveInfo(type=SensitiveType.CHINESE_NAME)
    private String name = "B先生";
    
    private JavaBeanA a;
    
    private Set<JavaBeanA> list;
    
    private Map<String,JavaBeanA> map;
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public JavaBeanA getA() {
        return a;
    }
 
    public void setA(JavaBeanA a) {
        this.a = a;
    }
 
    public Set<JavaBeanA> getList() {
        return list;
    }
 
    public void setList(Set<JavaBeanA> list) {
        this.list = list;
    }
 
    public Map<String, JavaBeanA> getMap() {
        return map;
    }
 
    public void setMap(Map<String, JavaBeanA> map) {
        this.map = map;
    }
}


public class SensitiveInfoUtilsTest {
    
    
    @Test
    public void testChineseNameString() {
        System.out.println(SensitiveInfoUtils.chineseName("李先生"));
    }
 
    
    @Test
    public void testChineseNameStringString() {
        System.out.println(SensitiveInfoUtils.chineseName("李","雷"));
    }
 
    
    @Test
    public void testIdCardNum() {
        System.out.println(SensitiveInfoUtils.idCardNum("1103541983073188711"));
    }
 
    
    @Test
    public void testFixedPhone() {
        System.out.println(SensitiveInfoUtils.fixedPhone("01077482277"));
    }
 
    
    @Test
    public void testMobilePhone() {
        System.out.println(SensitiveInfoUtils.mobilePhone("13777446578"));
    }
 
    
    @Test
    public void testAddress() {
        System.out.println(SensitiveInfoUtils.address("北京朝阳区酒仙桥中路26号院4号楼人人大厦",8));
    }
 
    
    @Test
    public void testEmail() {
        System.out.println(SensitiveInfoUtils.email("66374777@qq.com"));
    }
 
    
    @Test
    public void testBankCard() {
        System.out.println(SensitiveInfoUtils.bankCard("6228480402565890018"));
    }
 
    
    @Test
    public void testCnapsCode() {
        System.out.println(SensitiveInfoUtils.cnapsCode("102100029679"));
    }
 
    
    @Test
    public void testGetJson() {
//        ThreadPoolExecutor consumeExecutor = new ThreadPoolExecutor(30, 30 + 10, 5, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(30 + 10), new ThreadFactory() {
//            @Override
//            public Thread newThread(Runnable r) {
//                Thread myThread = new Thread(r);
//                myThread.setName("TT");
//                return myThread;
//            }
//        }, new ThreadPoolExecutor.CallerRunsPolicy());
//        while (true) {
//            consumeExecutor.execute(new Runnable() {
//                @Override
//                public void run() {}
//            });
//        }
 
        JavaBeanA a1 = new JavaBeanA("","");
        JavaBeanA a2 = new JavaBeanA("","");
        JavaBeanB b1 = new JavaBeanB();
        a1.setB(b1);
//        a1.setDate(new Date());
        
        List<JavaBeanB> a1l = new ArrayList<JavaBeanB>();
        a1l.add(b1);
        a1.setList(a1l);
        Map<String, JavaBeanB> a1m = new HashMap<String, JavaBeanB>();
        a1m.put("b1", b1);
        a1.setMap(a1m);
 
        b1.setA(a2);
        Set<JavaBeanA> b1l = new HashSet<JavaBeanA>();
        b1.setList(b1l);
        Map<String, JavaBeanA> b1m = new HashMap<String, JavaBeanA>();
        b1m.put("a2", a2);
        b1.setMap(b1m);
        long t = System.currentTimeMillis();
        System.out.println(t);
        System.out.println(SensitiveInfoUtils.getJson(a1));
        System.out.println(System.currentTimeMillis()-t);
        System.out.println(JSON.toJSON(a1));
        System.out.println(System.currentTimeMillis()-t);
    
    }
}

测试结果：

李**
李*
***************8711
*******2277
137****6578
北京朝阳区酒仙桥中路26号********
6*******@qq.com
622848*********0018
10**********
1443435915750
{"b":{"a":{"b":null,"date":null,"list":[],"map":null,"name":"A**"},"list":[],"map":{"a2":{"b":null,"date":null,"list":[],"map":null,"name":"A**"}},"name":"B**"},"date":null,"list":[{"a":{"b":null,"date":null,"list":[],"map":null,"name":"A**"},"list":[],"map":{"a2":{"b":null,"date":null,"list":[],"map":null,"name":"A**"}},"name":"B**"}],"map":{"b1":{"a":{"b":null,"date":null,"list":[],"map":null,"name":"A**"},"list":[],"map":{"a2":{"b":null,"date":null,"list":[],"map":null,"name":"A**"}},"name":"B**"}},"name":"A**"}
289
{"b":{"a":{"name":"A先生"},"list":[],"map":{"a2":{"name":"A先生"}},"name":"B先生"},"list":[{"a":{"name":"A先生"},"list":[],"map":{"a2":{"name":"A先生"}},"name":"B先生"}],"map":{"b1":{"a":{"name":"A先生"},"list":[],"map":{"a2":{"name":"A先生"}},"name":"B先生"}},"name":"A先生"}
300

使用了google 的api，可以使用Maven在添加，配置如下：


<!-- gson -->
  <dependency>
   <groupId>com.google.code.gson</groupId>
   <artifactId>gson</artifactId>
  </dependency>

说明：在需要脱敏的字段上使用定义好的注解，在具体的使用时用SensitiveInfoUtils.getJson(a1)，如果不需要脱敏的输出，尽量不要打印JSON,使用对象的toString()输出。效率更高。

以上为个人经验，希望能给大家一个参考，也希望大家多多支持编程网。

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