SpringBoot保护配置文件中敏感信息的保姆级教程

<dependency>
            <groupId>com.github.ulisesbocchio</groupId>
            <artifactId>jasypt-spring-boot-starter</artifactId>
            <version>3.0.2</version>
        </dependency>

jasypt:
  encryptor:
    # 盐值
    password: 123
    # 指定加密方式
    algorithm: PBEWithMD5AndDES
    iv-generator-classname: org.jasypt.iv.NoIvGenerator
    property:
      # 标识为加密属性的前缀
      prefix: ENC(
      # 标识为加密属性的后缀
      suffix: )

import org.jasypt.encryption.StringEncryptor;
import org.jasypt.encryption.pbe.PooledPBEStringEncryptor;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class EncryptConfig {

    /**
     * 自定义 StringEncryptor，覆盖默认的 StringEncryptor
     * bean 名称是必需的，从 1.5 版开始按名称检测自定义字符串加密程序,默认 bean 名称为：jasyptStringEncryptor
     *
     */
    @Bean("jasyptStringEncryptor")
    public StringEncryptor jasyptStringEncryptor() {
        PooledPBEStringEncryptor encryptor = new PooledPBEStringEncryptor();
        SimpleStringPBEConfig config = new SimpleStringPBEConfig();
        config.setPassword("tarzan");
        config.setPoolSize("1");
        config.setAlgorithm("PBEWithMD5AndDES");
        config.setKeyObtentionIterations("1000");
        config.setProviderName("SunJCE");
        config.setSaltGeneratorClassName("org.jasypt.salt.RandomSaltGenerator");
        config.setIvGeneratorClassName("org.jasypt.iv.RandomIvGenerator");
        config.setStringOutputType("base64");
        encryptor.setConfig(config);
        return encryptor;
    }

}

spring:
  redis:
    ##redis 单机环境配置
    host: ${REDIS_HOST:127.0.0.1}
    port: 6379
    password: ${REDIS_PASSWORD:ENC(YiSSNr7KKHbglJ0Er+YSOCr22X1Xwgi+NX6eqPARS48=)}
    database: 5
    ssl: false
  data:
    mongodb:
      database: ${MONGO_DATABASE:work_face_tmzk5}
      host: ${MONGO_HOST:127.0.0.1}
      username: ${MONGO_USERNAME:tarzan-mongo}
      password: ${MONGO_PASSWORD:ENC(XYZ6QH/B1YnSQhTgqtq9tqn/6NIxotNmBDF8ve57Vh0=)}
  datasource:
    url: jdbc:postgresql://${POSTGRES_HOST:127.0.0.1}:${POSTGRES_PORT:5432}/${POSTGRES_DATABASE:coalface_safety}
    username: ${POSTGRES_USERNAME:postgres}
    password: ${POSTGRES_PASSWORD:ENC(YiSSNr7KKHbglJ0Er+YSOCr22X1Xwgi+NX6eqPARS48=)}
    driver-class-name: org.postgresql.Driver

spring:
  data:
    mongodb:
      database: ${MONGO_DATABASE:work_face_szls}
      uri: mongodb://glqxzh:ENC(YiSSNr7KKHbglJ0Er+YSOCr22X1Xwgi+NX6eqPARS48=):27017

@EnableEncryptableProperties
@SpringBootApplication(scanBasePackages = AppConstant.BASE_PACKAGES,exclude = {TenantDataSourceConfiguration.class})
public class CoalfaceSafetyApplication {
    public static void main (String[] args) {
        ApplicationContext context =BladeApplication.run("coalface-safety", CoalfaceSafetyApplication.class, args);
    }

package org.springblade.coalface.utils;

import org.jasypt.encryption.StringEncryptor;
import org.jasypt.encryption.pbe.PooledPBEStringEncryptor;
import org.jasypt.encryption.pbe.config.PBEConfig;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;

public class JasyptUtils {
    /**
     * {@link StringEncryptor} 加解密。
     * 同一个密钥（secretKey）对同一个内容执行加密，生成的密文都是不一样的，但是根据根据这些密文解密成明文都是可以.
     * 1、Jasypt 默认使用 {@link StringEncryptor} 来解密全局配置文件中的属性，所以提供密文时，也需要提供 {@link StringEncryptor} 加密的密文
     * 2、{@link StringEncryptor} 接口有很多的实现类，比如常用的 {@link PooledPBEStringEncryptor}
     * 3、setConfig(final PBEConfig config)：为对象设置 {@link PBEConfig} 配置对象
     * 4、encrypt(final String message)：加密内容
     * 5、decrypt(final String encryptedMessage)：解密内容
     *
     * @param secretKey ：密钥。加/解密必须使用同一个密钥
     * @param message   ：加/解密的内容
     * @param isEncrypt ：true 表示加密、false 表示解密
     * @return
     */
    public static String stringEncryptor(String secretKey, String message, boolean isEncrypt) {
        PooledPBEStringEncryptor pooledPBEStringEncryptor = new PooledPBEStringEncryptor();
        pooledPBEStringEncryptor.setConfig(getSimpleStringPBEConfig(secretKey));
        String result = isEncrypt ? pooledPBEStringEncryptor.encrypt(message) : pooledPBEStringEncryptor.decrypt(message);
        return result;
    }
    /**
     * 设置 {@link PBEConfig} 配置对象，SimpleStringPBEConfig 是它的实现类
     * 1、所有的配置项建议与全局配置文件中的配置项保持一致，特别是 password、algorithm 等等选项，如果不一致，则应用启动时解密失败而报错.
     * 2、setPassword(final String password)：设置加密密钥，必须与全局配置文件中配置的保存一致，否则应用启动时会解密失败而报错.
     * 3、setPoolSize(final String poolSize)：设置要创建的加密程序池的大小.
     * 4、setAlgorithm(final String algorithm): 设置加密算法的值， 此算法必须由 JCE 提供程序支持
     * 5、setKeyObtentionIterations: 设置应用于获取加密密钥的哈希迭代次数。
     * 6、setProviderName(final String providerName)：设置要请求加密算法的安全提供程序的名称
     * 7、setSaltGeneratorClassName：设置 Sal 发生器
     * 8、setIvGeneratorClassName：设置 IV 发生器
     * 9、setStringOutputType：设置字符串输出的编码形式。可用的编码类型有 base64、hexadecimal
     *
     * @param secretKey
     * @return
     */
    private static SimpleStringPBEConfig getSimpleStringPBEConfig(String secretKey) {
        SimpleStringPBEConfig config = new SimpleStringPBEConfig();
        config.setPassword(secretKey);
        config.setPoolSize("1");
        config.setAlgorithm("PBEWithMD5AndDES");
        config.setKeyObtentionIterations("1000");
        config.setProviderName("SunJCE");
        config.setSaltGeneratorClassName("org.jasypt.salt.RandomSaltGenerator");
        config.setIvGeneratorClassName("org.jasypt.iv.RandomIvGenerator");
        config.setStringOutputType("base64");
        return config;
    }

    public static void main(String[] args) throws Exception {
        String message = "@5Rd!TC2CBA";
        String password = "tarzan";

        //一个同样的密码和秘钥，每次执行加密，密文都是不一样的。但是解密是没问题的。
        String jasyptEncrypt = stringEncryptor(password, message, true);
        System.out.println(jasyptEncrypt);

        String jasyptEncrypt1 = stringEncryptor(password, jasyptEncrypt, false);
        System.out.println(jasyptEncrypt1);
    }
}

    @Resource
    private StringEncryptor stringEncryptor;
 
    /**
     * http://localhost:8080/jasypt/encryptor?message=12日下午17点执行任务&isEncrypt=true
     * http://localhost:8080/jasypt/encryptor?message=702EAA3755766C567F62E83273681A90DC684B6AFADD5CD84691778DAF4A1466E13CE0720E8BABC06081A5D6DBD90EA1&isEncrypt=false
     * 在线使用 {@link StringEncryptor} 加解密消息。
     *
     * @param message   加/解密的内容
     * @param isEncrypt true 表示加密、false 表示解密
     * @return
     */
    @GetMapping("jasypt/encryptor")
    public ObjectNode encrypt(@RequestParam String message, @RequestParam boolean isEncrypt) {
        JsonNodeFactory nodeFactory = JsonNodeFactory.instance;
        String encrypt = isEncrypt ? stringEncryptor.encrypt(message) : stringEncryptor.decrypt(message);
        ObjectNode objectNode = nodeFactory.objectNode();
        objectNode.put("code", 200);
        objectNode.put("data", encrypt);
        return objectNode;
    }