package com.punchsettle.server;

import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
import org.jasypt.iv.RandomIvGenerator;
import org.jasypt.salt.RandomSaltGenerator;

/**
 * 应用Jasypt加解密工具
 */
public class AppEncryptor {

    /**
     * 密码
     */
    private String password;

    /**
     * 算法
     */
    private String algorithm;

    /**
     * 加解密实例
     */
    private StandardPBEStringEncryptor standardPBEStringEncryptor;

    public AppEncryptor(String password, String algorithm) {
        this.password = password;
        this.algorithm = algorithm;

        standardPBEStringEncryptor = new StandardPBEStringEncryptor();
        standardPBEStringEncryptor.setPassword(password);
        standardPBEStringEncryptor.setAlgorithm(algorithm);
        standardPBEStringEncryptor.setSaltGenerator(new RandomSaltGenerator());
        standardPBEStringEncryptor.setIvGenerator(new RandomIvGenerator());
    }

    /**
     * 加密并输出加密结果
     * @param filedName 待加密的字段名称
     * @param filedStr 待加密的字符串
     */
    public void encryptAndShow(String filedName, String filedStr) {
        String encryptStr = standardPBEStringEncryptor.encrypt(filedStr);
        System.out.println(String.format("%s：%s", filedName, encryptStr));
    }

    public static void main(String[] args) {
        AppEncryptor appEncryptor = new AppEncryptor("", "PBEWithMD5AndDES");
        appEncryptor.encryptAndShow("dev", "");

        AppEncryptor appEncryptor2 = new AppEncryptor("", "PBEWithMD5AndDES");
        appEncryptor2.encryptAndShow("prod", "");
    }
}