package com.stylefeng.guns.modular.account.unionpay;
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import java.io.Serializable;
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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import com.alibaba.fastjson.JSONObject;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.http.HttpEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClientBuilder;
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import org.apache.http.util.EntityUtils;
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/**
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* 文档：认证流程.pdf
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* <p>
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* 作用：用于获取OPEN-ACCESS-TOKEN认证方式的AccessToken
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*/
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public class GetAccessToken implements Serializable {
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/*public static void main(String args[]) {
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GetAccessToken getToken = new GetAccessToken();
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String token = getToken.getToken2();
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System.out.println(token);
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}*/
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/*得到token*/
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public static String getToken() {
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JSONObject jsonObject = new JSONObject();
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final String appID = "10037e6f68e462980169043abe98002a";
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String Timestamp = gettime();
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String Nonce = getnonce();
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String appKey = "fb5d5fe2594446ce8a914f878b28b0ad";
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String all = appID + Timestamp + Nonce + appKey;
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String signature = ccsha256(all);
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jsonObject.put("appId", appID);
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jsonObject.put("timestamp", Timestamp);
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jsonObject.put("nonce", Nonce);
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jsonObject.put("signature", signature);
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jsonObject.put("signMethod","SHA256");
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System.out.println("请求数据：" + jsonObject);
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JSONObject response = doPost("https://test-api-open.chinaums.com/v1/token/access", jsonObject);
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//JSONObject response = doPost("http://api-mop.chinaums.com/v1/token/access", jsonObject);
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System.out.println("响应数据：" + response);
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String accessToken = response.get("accessToken").toString();
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return accessToken;
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}
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/*获取系统当前时间*/
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public static String gettime() {
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SimpleDateFormat date = new SimpleDateFormat("yyyyMMddHHmmss");
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String time = date.format(System.currentTimeMillis());
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return time;
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}
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/*获取随机数*/
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public static String getnonce() {
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int a = (int) (1 + Math.random() * 10000);
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String nonce = String.valueOf(a);
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return nonce;
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}
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/**
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* @Description: 加密算法sh1
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* @Param: [message]
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* @return: java.lang.String
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* @Author: Mr.YS
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* @Date: 2020/6/4/004
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*/
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public static String ccsha1(String message) {/*加密算法实现*/
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String c = DigestUtils.sha1Hex(message);
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return c;
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}
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/**
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* @Description: 加密算法sha256
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* @Param: [message]
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* @return: java.lang.String
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* @Author: Mr.YS
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* @Date: 2020/6/4/004
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*/
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public static String ccsha256(String message) {
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return DigestUtils.sha256Hex(getMessageBytes(message));
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}
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/**
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* @Description: 根据编码类型获得签名内容byte[]
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* @Param: [message]
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* @return: byte[]
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* @Author: Mr.YS
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* @Date: 2020/6/4/004
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*/
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public static byte[] getMessageBytes(String message) {
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try {
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return message.getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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throw new RuntimeException("签名过程中出现错误");
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}
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}
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/*发送post请求得到返回的数据*/
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public static JSONObject doPost(String url, JSONObject json) {
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CloseableHttpClient httpclient = HttpClientBuilder.create().build();
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HttpPost post = new HttpPost(url);
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JSONObject response = null;
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try {
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StringEntity s = new StringEntity(json.toString());
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s.setContentEncoding("UTF-8");
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s.setContentType("application/json");//发送json数据需要设置contentType
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post.setEntity(s);
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CloseableHttpResponse res = httpclient.execute(post);
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HttpEntity entity = res.getEntity();
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String result = EntityUtils.toString(entity);// 返回json格式：
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response = JSONObject.parseObject(result);
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res.close();
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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return response;
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}
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}
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