xyz.erupt.core.util.SecretUtil Maven / Gradle / Ivy

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package xyz.erupt.core.util;

import lombok.SneakyThrows;

import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.Base64;

/**
 * @author YuePeng
 * date 2023/5/9 21:34
 */
public class SecretUtil {


    public static String decodeSecret(String str) {
        return decodeSecret(str, 1);
    }

    /**
     * 解密Base64
     *
     * @param str       加密字符串
     * @param encodeNum 被加密了几次
     * @return 原文
     */
    @SneakyThrows
    public static String decodeSecret(String str, int encodeNum) {
        for (int i = 0; i < encodeNum; i++) {
            str = new String(Base64.getDecoder().decode(str));
        }
        return URLDecoder.decode(str, StandardCharsets.UTF_8.name());
    }

}