package com.aps.common.sensitive.config;
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import java.io.IOException;
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import java.util.Objects;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.databind.BeanProperty;
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import com.fasterxml.jackson.databind.JsonMappingException;
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import com.fasterxml.jackson.databind.JsonSerializer;
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import com.fasterxml.jackson.databind.SerializerProvider;
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import com.fasterxml.jackson.databind.ser.ContextualSerializer;
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import com.aps.common.core.constant.UserConstants;
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import com.aps.common.core.context.SecurityContextHolder;
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import com.aps.common.sensitive.annotation.Sensitive;
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import com.aps.common.sensitive.enums.DesensitizedType;
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/**
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* 数据脱敏序列化过滤
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*
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* @author ruoyi
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*/
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public class SensitiveJsonSerializer extends JsonSerializer<String> implements ContextualSerializer
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{
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private DesensitizedType desensitizedType;
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@Override
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public void serialize(String value, JsonGenerator gen, SerializerProvider serializers) throws IOException
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{
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if (desensitization())
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{
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gen.writeString(desensitizedType.desensitizer().apply(value));
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}
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else
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{
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gen.writeString(value);
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}
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}
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@Override
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public JsonSerializer<?> createContextual(SerializerProvider prov, BeanProperty property)
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throws JsonMappingException
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{
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Sensitive annotation = property.getAnnotation(Sensitive.class);
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if (Objects.nonNull(annotation) && Objects.equals(String.class, property.getType().getRawClass()))
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{
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this.desensitizedType = annotation.desensitizedType();
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return this;
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}
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return prov.findValueSerializer(property.getType(), property);
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}
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/**
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* 是否需要脱敏处理
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*/
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private boolean desensitization()
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{
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try
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{
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Long userId = SecurityContextHolder.getUserId();
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// 管理员不脱敏
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return !UserConstants.isAdmin(userId);
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}
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catch (Exception e)
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{
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return true;
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}
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}
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}
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