SignUtil.java
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/*
* Copyright (c) 2018.
* 项目名称：auth-gateway-backend
* 文件名称：SignUtil.java
* Date：18-3-23 下午3:34
* Author：boni
*/
package com.irrigation.icl.utils;
import org.apache.commons.codec.digest.DigestUtils;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Map;
/**
* 签名方法
*/
public class SignUtil {
/**
* 使用apiSecret对params进行签名，自动加入了当前日期
* @param params
* @param apiSecret
* @return
*/
public static String sign(Map<String, String> params, String apiSecret) {
String[] sortParams = params.keySet().toArray(new String[]{});
Arrays.sort(sortParams);
StringBuilder stringBuilder = new StringBuilder();
for (String key : sortParams) {
stringBuilder.append(key).append(params.get(key));
}
String signRawData = apiSecret + ":" + getDate() + ":" + stringBuilder.toString();
String signedValue = DigestUtils.md5Hex(signRawData);
return signedValue;
}
private static String getDate() {
Date date = new Date();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
String sDateSuffix = dateFormat.format(date);
return sDateSuffix;
}
}