sensitive-spring-boot-starter

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sensitive-spring-boot-starter

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接口数据脱敏、加解密springboot starter

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# 使用说明

### 1. 介绍

springboot项目中接口返回Vo或接受参数的From中的字段进行脱敏与加解密，该功能生效限于http请求体中数据
（@RequestBody、@ResponseBody）,脱敏及加解密可进行扩展，目前只提供了基本的脱敏、加解密功能，更多加密方式后续会完善。

### 2. 使用方式

git拉取代码到本地， 执行mvn install

maven pom引入

```xml
 <dependency>
  <groupId>com.security</groupId>
  <artifactId>sensitive-spring-boot-starter</artifactId>
  <version>0.0.1-SNAPSHOT</version>
 </dependency>
```

启动类上添加@EnableSecurity
该注解上有三个参数，分别为是sensitive否开启脱敏功能、security是否开启加密功能及针对脱敏与加解密类所在的包名，包可不指定，默认为添加@EnableSecurity注解类所在的包的顶级包名+子包名

```
 @SpringBootApplication
 @EnableSensitive(security = true, sensitive = true, packages = "com.example")
 public class LeanApplication {
	public static void main(String[] args) {
            ConfigurableApplicationContext run = SpringApplication.run(LeanApplication.class, args);
	 }
 }
```

在需要的接口上添加@Security注解，对与需要脱敏的字段添加@Sensitive注解，需要加密的字段添加 @Security注解

application.yml

对称加密：AES  密钥请自行生成

```yaml
  spring:
    sensitive:
      security:
        type: AES   #加密方式，默认AES
        mode: HEX   #加密后的字节数组转为字符串方式：HEX 16进制，BASE64 base64
        secret: +6cuvzvyrFZpRG9pf3r7eQ==    #加密密钥 密钥请自行生成
        charset: UTF-8  
        maxDeep: 10     #处理脱敏、加解密对象的最大深度，防止相互依赖导致递归栈内存溢出，默认10
```

非对称加密：RSA  privateKey与publicKey请自行生成

```yaml
sensitive:
  security:
    type: RSA
    mode: HEX
    charset: UTF-8
    maxDeep: 10
    publicKey: MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjE4rpk6aJ996IuX9g3uSXk157aZgreSdW+YzKqFjV1ZxXO6WzcrTXg/EfvHs32bj4UyPmz6S6D+p+9NaUmumbqvWhqSTMtAFRqh0DUK9C0KoRWcNELvnRs4PYOfgeL7UuCVtmimme1tHBRQTcfWK8s0OOio2TAMB6J0s0RMH17QIDAQAB
    privateKey: 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
```

@Data
    public class Message {
      
        private Integer id;
      
        @Sensitive(type = SensitiveTypeEnum.CHINESE_NAME)
        private String name;
      
        @Sensitive(type = SensitiveTypeEnum.ID_CARD)
        private String idCard;
      
        @Sensitive(type = SensitiveTypeEnum.EMAIL)
        private String email;
      
        @Security
        private String phone;
      
        private List<Company> companyList;
    }
    
    @Data
    public class Company {
    
        private Integer id;
    
        @Sensitive(type = SensitiveTypeEnum.CHINESE_NAME)
        private String name;
    
        @Sensitive(type = SensitiveTypeEnum.ID_CARD)
        private String code;
    }
      
    @RestController
    public class SecurityController {
    
        @GetMapping("/test")
        @Security
        public Message test() {
            Message message = new Message();
            message.setId(1);
            message.setName("杨哥");
            message.setIdCard("610502199323223323");
            message.setEmail("907746999@qq.com");
            message.setPhone("18712346789");
            List<Company> companyList = new ArrayList<>();
            for (int i = 0; i < 2; i++) {
                Company company = new Company();
                company.setId(i);
                company.setCode("NO212121212112" + i);
                company.setName("公司" + i);
                companyList.add(company);
            }
            message.setCompanyList(companyList);
            return message;
        }
    
        @PostMapping("/test")
        public Message test(@Security @RequestBody Message message) {
            return message;
        }
    }

效果：
  GET方式请求test接口

![image](https://github.com/coder-yangge/sensitive-spring-boot-starter/blob/master/image/test-get.png)

Post方式请求test接口

![image](https://github.com/coder-yangge/sensitive-spring-boot-starter/blob/master/image/test-post.png)

### 3. 扩展

如果想自定义脱敏或者加密可以实现SecurityHandler，具体如下

举例：将字符串长度超过5个字符的字段，超过5个字符的部分使用*替换

如 "中国广东省深圳市南山区某某大厦" 变为 "中国广东省******************************"

1. 自定义注解

```
/**
 * @author yangge
 * @version 1.0.0
 * @date 2020/8/31 13:44
 */
@Target({ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface ISensitive {

}
```

2.  实现SecurityHandler接口，本例中，对添加了ISensitive的字段处理时，如果该字段字符串长度超过5，则将前5个字符保留，后面的全部变为*

```
   @Component
   public class ISensitiveHandler implements SecurityHandler<ISensitive> {
   
       @Override
       public boolean support(Field field) {
           return field.isAnnotationPresent(ISensitive.class);
       }
   
       @Override
       public ISensitive acquire(Field field) {
           return field.getAnnotation(ISensitive.class);
       }
   
       @Override
       public String handleEncrypt(String s, ISensitive iSensitive) {
           if (s.length() > 5) {
               String substring = s.substring(0, 5);
               String target = StringUtils.rightPad(substring, s.length(), "*");
               return target;
           }
           return s;
       }
   
       @Override
       public String handleDecrypt(String s, ISensitive iSensitive) {
           return s;
       }
   }
   ```

```java
   @Data
   public class Message {
   
       private Integer id;
   
       @Sensitive(type = SensitiveTypeEnum.CHINESE_NAME)
       private String name;
   
       @ISensitive
       private String idCard;
   
       @ISensitive
       private String email;
   
       @Security
       private String phone;
   
       private List<Company> companyList;
   }
   ```

GET方式请求test接口，返回数据如下，idCard与email字段超过5个字符的部分已替换为*

```
   {"id":1,"name":"杨*","idCard":"61050*************","email":"90774***********","phone":"9172d86998be4f0f9c60b886398e18f4","companyList":[{"id":0,"name":"公**","code":"***********1120"},{"id":1,"name":"公**","code":"***********1121"}]}
   ```

3. 总结

扩展可以进行脱敏及加解密，此案例为脱敏处理扩展，加密扩展同理，可根据自身加密方式进行加密。

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