springboot自定义脱敏处理

本文主要是介绍springboot自定义脱敏处理，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

脱敏处理：
像身份证，手机号，车牌号邮箱什么的不想公开展示

package datachange.mulit.config.d;


import java.lang.annotation.*;

/**
 * 自定脱敏注解
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER, ElementType.ANNOTATION_TYPE})

public @interface Desensitization {
    //脱敏类型
    SensitiveTypeEnum type();
}

package datachange.mulit.config.d;

import org.springframework.format.AnnotationFormatterFactory;
import org.springframework.format.Parser;
import org.springframework.format.Printer;

import java.util.HashSet;
import java.util.Set;

/**
 * 自定义解析工厂
 */
public class DesensitizationAnnotationFormatterFactory  implements AnnotationFormatterFactory<Desensitization> {
    @Override
    public Set<Class<?>> getFieldTypes() {
        Set<Class<?>> hashSet = new HashSet<>();
        hashSet.add(String.class);
        return hashSet;
    }

    @Override
    public Printer<?> getPrinter(Desensitization desensitization, Class<?> aClass) {
        return getFormatter(desensitization);
    }

    @Override
    public Parser<?> getParser(Desensitization desensitization, Class<?> aClass) {
        return getFormatter(desensitization);
    }
    private DesensitizationFormatter getFormatter(Desensitization desensitization) {
        DesensitizationFormatter formatter = new DesensitizationFormatter();
        formatter.setTypeEnum(desensitization.type());
        return formatter;
    }

}

package datachange.mulit.config.d;

import org.apache.commons.lang3.StringUtils;
import org.springframework.format.Formatter;

import java.text.ParseException;
import java.util.Locale;

/**
 * 序列化
 *
 */
public class DesensitizationFormatter  implements Formatter<String> {

    private SensitiveTypeEnum typeEnum;

    public SensitiveTypeEnum getTypeEnum() {
        return typeEnum;
    }

    public void setTypeEnum(SensitiveTypeEnum typeEnum) {
        this.typeEnum = typeEnum;
    }


    @Override
    public String parse(String valueStr, Locale locale) throws ParseException {
        if (StringUtils.isNotBlank(valueStr)) {
            switch (typeEnum) {
                case CHINESE_NAME:
                    valueStr = DesensitizationUtils.chineseName(valueStr);
                    break;
                case ID_CARD:
                    valueStr = DesensitizationUtils.idCardNum(valueStr);
                    break;
                case FIXED_PHONE:
                    valueStr = DesensitizationUtils.fixedPhone(valueStr);
                    break;
                case MOBILE_PHONE:
                    valueStr = DesensitizationUtils.mobilePhone(valueStr);
                    break;
                case ADDRESS:
                    valueStr = DesensitizationUtils.address(valueStr, 4);
                    break;
                case EMAIL:
                    valueStr = DesensitizationUtils.email(valueStr);
                    break;
                case BANK_CARD:
                    valueStr = DesensitizationUtils.bankCard(valueStr);
                    break;
                case PASSWORD:
                    valueStr = DesensitizationUtils.password(valueStr);
                    break;
                case CARNUMBER:
                    valueStr = DesensitizationUtils.carNumber(valueStr);
                    break;
                default:
            }
        }
        return valueStr;
    }

    @Override
    public String print(String s, Locale locale) {
        return s;
    }
}

package datachange.mulit.config.d;


import org.apache.commons.lang3.StringUtils;

public class DesensitizationUtils {
    /**
     * 【中文姓名】只显示第一个汉字，其他隐藏为2个星号，比如：李**
     *
     * @param fullName
     * @return
     */
    public static String chineseName(String fullName) {
        if (StringUtils.isBlank(fullName)) {
            return "";
        }
        String name = StringUtils.left(fullName, 1);
        return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
    }

    /**
     * 【身份证号】显示前6后4，其他隐藏。共计18位或者15位，比如：*************1234
     *
     * @param id
     * @return
     */
    public static String idCardNum(String id) {
        if (StringUtils.isBlank(id)) {
            return "";
        }
        return StringUtils.left(id, 6).concat(StringUtils.removeStart(StringUtils.leftPad(StringUtils.right(id, 4), StringUtils.length(id), "*"), "******"));
    }

    /**
     * 【固定电话 后四位，其他隐藏，比如1234
     *
     * @param num
     * @return
     */
    public static String fixedPhone(String num) {
        if (StringUtils.isBlank(num)) {
            return "";
        }
        return StringUtils.leftPad(StringUtils.right(num, 4), StringUtils.length(num), "*");
    }

    /**
     * 【手机号码】前三位，后四位，其他隐藏，比如135******10
     *
     * @param num
     * @return
     */
    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), "*"), "***"));
    }

    /**
     * 【地址】只显示到地区，不显示详细地址，比如：北京市海淀区****
     *
     * @param address
     * @param sensitiveSize 敏感信息长度
     * @return
     */
    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, "*");
    }

    /**
     * 【电子邮箱 邮箱前缀仅显示3个字母，前缀其他隐藏，用星号代替，@及后面的地址显示，比如：d**@126.com>
     *
     * @param email
     * @return
     */
    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, 3), index, "*").concat(StringUtils.mid(email, index, StringUtils.length(email)));
        }
    }
    /**
     * 【银行卡号】前六位，后四位，其他用星号隐藏每位1个星号，比如：6222600**********1234>
     *
     * @param cardNum
     * @return
     */
    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), "*"), "******"));
    }

    /**
     * 【密码】密码的全部字符都用*代替，比如：******
     *
     * @param password
     * @return
     */
    public static String password(String password) {
        if (StringUtils.isBlank(password)) {
            return "";
        }
        String pwd = StringUtils.left(password, 0);
        return StringUtils.rightPad(pwd, StringUtils.length(password), "*");
    }

    /**
     * 【车牌号】前两位后一位，比如：苏M****5
     *
     * @param carNumber
     * @return
     */
    public static String carNumber(String carNumber) {
        if (StringUtils.isBlank(carNumber)) {
            return "";
        }
        return StringUtils.left(carNumber, 2).
                concat(StringUtils.removeStart(StringUtils.leftPad(StringUtils.right(carNumber, 1), StringUtils.length(carNumber), "*"), "**"));

    }

}

package datachange.mulit.config.d;

public enum SensitiveTypeEnum {
    /**
     * 中文名
     */
    CHINESE_NAME,
    /**
     * 身份证号
     */
    ID_CARD,
    /**
     * 座机号
     */
    FIXED_PHONE,
    /**
     * 手机号
     */
    MOBILE_PHONE,
    /**
     * 地址
     */
    ADDRESS,
    /**
     * 电子邮件
     */
    EMAIL,
    /**
     * 银行卡
     */
    BANK_CARD,
    /**
     * 密码
     */
    PASSWORD,
    /**
     * 车牌号
     */
    CARNUMBER;

}

package datachange.mulit.config.d;

import com.alibaba.fastjson.serializer.ValueFilter;
/**
 * 属性过滤器
 */
import java.lang.reflect.Field;
public class ValueDesensitizeFilter implements ValueFilter {
    @Override
    public Object process(Object object, String name, Object value) {
        if (null == value || !(value instanceof String) || ((String) value).length() == 0) {
            return value;
        }
        try {
            Field field = object.getClass().getDeclaredField(name);
            Desensitization desensitization;
            if (String.class != field.getType() || (desensitization = field.getAnnotation(Desensitization.class)) == null) {
                return value;
            }
            String valueStr = (String) value;
            SensitiveTypeEnum type = desensitization.type();
            switch (type) {
                case ID_CARD:
                    return DesensitizationUtils.idCardNum(valueStr);
                case MOBILE_PHONE:
                    return DesensitizationUtils.mobilePhone(valueStr);
                case CHINESE_NAME:
                    return DesensitizationUtils.chineseName(valueStr);
                case FIXED_PHONE:
                    return DesensitizationUtils.fixedPhone(valueStr);
                case ADDRESS:
                    return DesensitizationUtils.address(valueStr, 4);
                case EMAIL:
                    return DesensitizationUtils.email(valueStr);
                case BANK_CARD:
                    return DesensitizationUtils.bankCard(valueStr);
                case PASSWORD:
                    return DesensitizationUtils.password(valueStr);
                case CARNUMBER:
                    return DesensitizationUtils.carNumber(valueStr);
                default:
            }
        } catch (NoSuchFieldException e) {
            return value;
        }
        return value;
    }
}

package datachange.mulit.config.d;

import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.nio.charset.Charset;

/**
 * 开始配置
 */
@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer {
    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addFormatterForFieldAnnotation(new DesensitizationAnnotationFormatterFactory());
    }

    @Bean
    public HttpMessageConverters fastJsonHttpMessageConverters() {
        // 1.定义一个converters转换消息的对象
        FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
        // 2.添加fastjson的配置信息，比如: 是否需要格式化返回的json数据
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
        fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue);
        //添加自己写的拦截器
        fastJsonConfig.setSerializeFilters(new ValueDesensitizeFilter());
        // 3.在converter中添加配置信息
        fastConverter.setFastJsonConfig(fastJsonConfig);
        // 4.将converter赋值给HttpMessageConverter
        HttpMessageConverter<?> converter = fastConverter;
        fastConverter.setDefaultCharset(Charset.forName("utf-8"));
        // 5.返回HttpMessageConverters对象
        return new HttpMessageConverters(converter);
    }

}

package datachange.mulit.config.d;

import com.alibaba.fastjson.JSON;
import lombok.Data;

/**
 * @auth wangbiao
 * @date 2022 年 07 28 日 22:41
 * @description:
 */
@Data
public class User {

    @Desensitization(type = SensitiveTypeEnum.CHINESE_NAME)
    private String name;

    @Desensitization(type = SensitiveTypeEnum.EMAIL)
    private String email;

    @Desensitization(type = SensitiveTypeEnum.ID_CARD)
    private String idCard;

    @Desensitization(type = SensitiveTypeEnum.CARNUMBER)
    private String carNum;

    @Desensitization(type = SensitiveTypeEnum.MOBILE_PHONE)
    private String phone;


    public static void main(String[] args) {
        datachange.mulit.config.d.User user=new datachange.mulit.config.d.User();
        user.setCarNum("苏A52339");
        user.setEmail("72676854181@qq.com");
        user.setIdCard("341885656332496");
        user.setName("王某");
        user.setPhone("1854333261243");
        System.out.println();
    }

}

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