khyznh/ruoyi-common/src/main/java/com/ruoyi/common/jackson/SensitiveJsonSerializer.java

package com.ruoyi.common.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.ContextualSerializer;
import com.ruoyi.common.annotation.Sensitive;
import com.ruoyi.common.core.service.SensitiveService;
import com.ruoyi.common.enums.SensitiveStrategy;
import com.ruoyi.common.utils.spring.SpringUtils;

import java.io.IOException;
import java.util.Objects;

/**
 * 数据脱敏json序列化工具
 *
 * @author Yjoioooo
 */
public class SensitiveJsonSerializer extends JsonSerializer<String> implements ContextualSerializer {

    private SensitiveStrategy strategy;

    @Override
    public void serialize(String value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        SensitiveService sensitiveService = SpringUtils.getBean(SensitiveService.class);
        if (sensitiveService.isSensitive()) {
            gen.writeString(value);
        } else {
            gen.writeString(strategy.desensitizer().apply(value));
        }

    }

    @Override
    public JsonSerializer<?> createContextual(SerializerProvider prov, BeanProperty property) throws JsonMappingException {
        Sensitive annotation = property.getAnnotation(Sensitive.class);
        if (Objects.nonNull(annotation) && Objects.equals(String.class, property.getType().getRawClass())) {
            this.strategy = annotation.strategy();
            return this;
        }
        return prov.findValueSerializer(property.getType(), property);
    }
}