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package com.jingcheng.template.controller;
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import com.alibaba.fastjson.JSONObject;
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import com.jingcheng.template.service.WeixinService;
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import com.jingcheng.template.util.AjaxRequest;
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import com.jingcheng.template.util.AjaxResult;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.web.bind.annotation.CrossOrigin;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.annotation.Resource;
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import java.util.Map;
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@RestController
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@RequestMapping("/wechat")
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@CrossOrigin
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public class WechatController {
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@Resource
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WeixinService weixinService;
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@RequestMapping("get-sign")
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public AjaxResult getSign(@RequestBody AjaxRequest ajaxRequest) {
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AjaxResult ajaxResult = new AjaxResult();
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JSONObject data = ajaxRequest.getData();
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if (data == null) {
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ajaxResult.setRetcode(AjaxResult.FAILED);
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ajaxResult.setRetmsg("data missing");
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return ajaxResult;
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} else {
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String url = data.getString("url");
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if (StringUtils.isEmpty(url)) {
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ajaxResult.setRetcode(AjaxResult.FAILED);
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ajaxResult.setRetmsg("url missing");
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return ajaxResult;
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} else {
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Map<String, String> sign = weixinService.getSign(url);
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ajaxResult.setRetmsg("SUCCESS");
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ajaxResult.setRetcode(AjaxResult.SUCCESS);
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ajaxResult.setData(sign);
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}
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}
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return ajaxResult;
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}
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@RequestMapping("refresh-access-token")
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public void refreshToken(){
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weixinService.refreshAccessToken();
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}
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}
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package com.jingcheng.template.mapper;
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import com.jingcheng.template.model.WechatConfig;
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import com.jingcheng.template.util.CommonMapper;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface WechatConfigMapper extends CommonMapper<WechatConfig> {
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}
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package com.jingcheng.template.model;
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import com.baomidou.mybatisplus.annotation.TableName;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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@TableName("wechat_config")
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@Data
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@EqualsAndHashCode(callSuper = false)
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public class WechatConfig extends BaseEntity{
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private String accessToken;
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}
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package com.jingcheng.template.service;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.jingcheng.template.mapper.WechatConfigMapper;
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import com.jingcheng.template.model.WechatConfig;
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import com.jingcheng.template.util.HttpRequestUtils;
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import com.jingcheng.template.util.LogUtils;
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import com.jingcheng.template.util.Sign;
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import com.sun.org.apache.bcel.internal.generic.NEW;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.Date;
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import java.util.Map;
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@Service
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public class WeixinService{
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@Value("${weixin.appId}")
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private String appId;
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@Value("${weixin.appSecret}")
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private String appSecret;
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@Value("${weixin.getAccessTokenUrl}")
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private String getAccessTokenUrl;
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@Value("${wechat.getTicketUrl}")
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private String getTicketUrl;
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@Resource
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private WechatConfigMapper wechatConfigMapper;
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Logger logger = LogUtils.getBussinessLogger();
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/**
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* 刷新accesstoken
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* @return
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*/
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public void refreshAccessToken() {
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String accessTokenUrl = getAccessTokenUrl + appId + "&secret=" + appSecret;
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String result = HttpRequestUtils.sendGet(accessTokenUrl);
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String accessToken = JSON.parseObject(result).getString("access_token");
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WechatConfig wechatConfig = wechatConfigMapper.selectByPrimaryKey(1L);
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wechatConfig.setAccessToken(accessToken);
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wechatConfig.setUpdateDateTime(new Date());
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wechatConfigMapper.updateByPrimaryKeySelective(wechatConfig);
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}
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/**
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* 通过accessToken刷新ticket
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*/
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public String getTicket() {
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WechatConfig wechatConfig = wechatConfigMapper.selectByPrimaryKey(1L);
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String access_token = wechatConfig.getAccessToken();
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String getTicketNewUrl = getTicketUrl + access_token + "&type=jsapi";
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String ticketResult = HttpRequestUtils.sendGet(getTicketNewUrl);
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JSONObject ticketJson = JSONObject.parseObject(ticketResult);
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String jsapi_ticket = ticketJson.getString("ticket");
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return jsapi_ticket;
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}
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public Map<String, String> getSign(String url) {
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String jsapiTicket = getTicket();
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logger.info("jsapiTicket:" + jsapiTicket);
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Map<String, String> sign = Sign.sign(jsapiTicket, url);
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sign.put("appId", appId);
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logger.info("sign:" + sign);
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return sign;
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}
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}
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package com.jingcheng.template.util;
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import java.io.UnsupportedEncodingException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Formatter;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.UUID;
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/**
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* CK
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* 2020/8/12
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* 微信JS-SDK使用权限签名算法
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*/
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public class Sign {
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public static void main(String[] args) {
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String jsapi_ticket = "sM4AOVdWfPE4DxkXGEs8VMCPGGVi4C3VM0P37wVUCFvkVAy_90u5h9nbSlYy3-Sl-HhTdfl2fzFy1AOcHKP7qg";
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// 注意 URL 一定要动态获取，不能 hardcode
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String url = "http://mp.weixin.qq.com?params=value";
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Map<String, String> ret = sign(jsapi_ticket, url);
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for (Map.Entry<String,String> entry : ret.entrySet()) {
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System.out.println(entry.getKey() + ", " + entry.getValue());
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}
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}
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public static Map<String, String> sign(String jsapi_ticket, String url) {
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Map<String, String> ret = new HashMap<String, String>();
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String nonce_str = create_nonce_str();
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String timestamp = create_timestamp();
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String string1;
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String signature = "";
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//注意这里参数名必须全部小写，且必须有序
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string1 = "jsapi_ticket=" + jsapi_ticket +
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"&noncestr=" + nonce_str +
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"×tamp=" + timestamp +
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"&url=" + url;
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// System.out.println(string1);
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try
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{
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MessageDigest crypt = MessageDigest.getInstance("SHA-1");
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crypt.reset();
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crypt.update(string1.getBytes("UTF-8"));
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signature = byteToHex(crypt.digest());
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}
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catch (NoSuchAlgorithmException e)
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{
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e.printStackTrace();
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}
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catch (UnsupportedEncodingException e)
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{
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e.printStackTrace();
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}
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ret.put("url", url);
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ret.put("jsapi_ticket", jsapi_ticket);
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ret.put("nonceStr", nonce_str);
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ret.put("timestamp", timestamp);
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ret.put("signature", signature);
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return ret;
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}
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private static String byteToHex(final byte[] hash) {
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Formatter formatter = new Formatter();
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for (byte b : hash)
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{
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formatter.format("%02x", b);
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}
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String result = formatter.toString();
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formatter.close();
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return result;
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}
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private static String create_nonce_str() {
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return UUID.randomUUID().toString();
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}
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private static String create_timestamp() {
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return Long.toString(System.currentTimeMillis() / 1000);
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}
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}
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