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Jasypt Spring Boot Simple Demo with Starter Ja and Custom Encryptor

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package demo;


import org.jasypt.encryption.StringEncryptor;
import org.jasypt.encryption.pbe.PooledPBEStringEncryptor;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.core.env.Environment;

/**
 * Sample Boot application that showcases easy integration of Jasypt encryption by
 * simply adding {@literal @EnableEncryptableProperties} to any Configuration class.
 * For decryption a password is required and is set through system properties in this example,
 * but it could be passed command line argument too like this: --jasypt.encryptor.password=password
 *
 * @author Ulises Bocchio
 */
@SpringBootApplication
//Uncomment this if not using jasypt-spring-boot-starter (use jasypt-spring-boot) dependency in pom instead
public class CustomEncryptorDemoApplication implements CommandLineRunner {

    private static final Logger LOG = LoggerFactory.getLogger(CustomEncryptorDemoApplication.class);

    @Autowired
    ApplicationContext appCtx;

    public static void main(String[] args) {
        //try commenting the following line out and run the app from the command line passing the password as
        //a command line argument: java -jar target/jasypt-spring-boot-demo-0.0.1-SNAPSHOT.jar --jasypt.encryptor.password=password
        //System.setProperty("jasypt.encryptor.password", "password");
        //Enable proxy mode for intercepting encrypted properties
        //System.setProperty("jasypt.encryptor.proxyPropertySources", "true");
        new SpringApplicationBuilder().sources(CustomEncryptorDemoApplication.class).run(args);
    }

    @Bean(name="encryptorBean")
    static public StringEncryptor stringEncryptor() {
        PooledPBEStringEncryptor encryptor = new PooledPBEStringEncryptor();
        SimpleStringPBEConfig config = new SimpleStringPBEConfig();
        config.setPassword("password");
        config.setAlgorithm("PBEWithMD5AndDES");
        config.setKeyObtentionIterations("1000");
        config.setPoolSize("1");
        config.setProviderName("SunJCE");
        config.setSaltGeneratorClassName("org.jasypt.salt.RandomSaltGenerator");
        config.setStringOutputType("base64");
        encryptor.setConfig(config);
        return encryptor;
    }

    @Override
    public void run(String... args) throws Exception {
        Environment environment = appCtx.getBean(Environment.class);
        LOG.info("Environment's secret: {}", environment.getProperty("secret.property"));
        LOG.info("Done!");
    }
}