package com.baiyi.opscloud.util;

import lombok.extern.slf4j.Slf4j;
import org.jasypt.encryption.pbe.PooledPBEStringEncryptor;
import org.jasypt.encryption.pbe.StandardPBEByteEncryptor;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;
import org.springframework.stereotype.Component;


/**
 * @Author baiyi
 * @Date 2019/12/25 8:04 下午
 * @Version 1.0
 */
@Slf4j
@Component
public class JasyptUtil {

    private JasyptUtil() {
    }

    /**
     * Jasypt生成加密结果
     *
     * @param password 配置文件中设定的加密密码 jasypt.encryptor.password
     * @param value    待加密值
     * @return
     */
    public static String encrypt(String password, String value) {
        PooledPBEStringEncryptor encryptOr = new PooledPBEStringEncryptor();
        encryptOr.setConfig(cryptOr(password));
        return encryptOr.encrypt(value);
    }

    /**
     * 解密
     *
     * @param password 配置文件中设定的加密密码 jasypt.encryptor.password
     * @param value    待解密密文
     * @return
     */
    public static String decrypt(String password, String value) {
        PooledPBEStringEncryptor encryptOr = new PooledPBEStringEncryptor();
        encryptOr.setConfig(cryptOr(password));
        return encryptOr.decrypt(value);
    }

    public static SimpleStringPBEConfig cryptOr(String password) {
        SimpleStringPBEConfig config = new SimpleStringPBEConfig();
        config.setPassword(password);
        config.setAlgorithm(StandardPBEByteEncryptor.DEFAULT_ALGORITHM);
        config.setKeyObtentionIterations("1000");
        config.setPoolSize("1");
        config.setProviderName("SunJCE");
        config.setSaltGeneratorClassName("org.jasypt.salt.RandomSaltGenerator");
        config.setStringOutputType("base64");
        return config;
    }

}
