公开和加密分享

const crypto = require('crypto');
let token = 'OAMf7CvniOGgoNijH9mFHEHSAf7****';
let shareID = '1827981ec07ac66f937a88c9e65f****'; // shareID详见前面文档中的说明
let time = Date.now();
let stringToSign = shareID + '|' + time;
let signature = crypto.createHmac('sha256', token).update(stringToSign).digest().toString('base64');
// url需要根据实际情况相应修改
let url =
  'https://sugar.baidubce.com/dashboard/' +
  shareID +
  '?_sugar_time=' +
  time +
  '&_sugar_signature=' +
  encodeURIComponent(signature);

<?php
  $token = "OAMf7CvniOGgoNijH9mFHEHSAf7****";
  $shareID = "1827981ec07ac66f937a88c9e65f****"; // shareID详见前面文档中的说明
  $time = time()*1000;
  $stringToSign = $shareID.'|'.$time;
  $signature = urlencode(base64_encode(hash_hmac('sha256', $stringToSign, $token, true)));
  // url需要根据实际情况相应修改
  $url = "https://sugar.baidubce.com/dashboard/".$shareID."?_sugar_time=".$time."&_sugar_signature=".$signature;
?>
<iframe width=100% height=100% src="<?=$url?>"/>

package com.company;
import java.security.*;
import java.util.Date;
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import java.net.URLEncoder;
public class TokenTest {
  public static String getSignedUrl(String shareID, String token){
    Date date = new Date();
    Long time = date.getTime();
    String stringToSign = shareID + "|" + time;
    String signature = HMACSHA256(stringToSign.getBytes(), token.getBytes());
    // url需要根据实际情况相应修改
    String url = "https://sugar.baidubce.com/dashboard/"+ shareID +"?_sugar_time="+time+"&_sugar_signature="+ signature;
    return url;
  }
  /**
    *  使用java原生的摘要实现SHA256加密。
    * @param str加密后的报文。
    * @return
    */
  public static String HMACSHA256(byte[] data, byte[] key)
  {
    try  {
      SecretKeySpec signingKey = new SecretKeySpec(key, "HmacSHA256");
      Mac mac = Mac.getInstance("HmacSHA256");
      mac.init(signingKey);
      return URLEncoder.encode(byte2Base64(mac.doFinal(data)));
    } catch (NoSuchAlgorithmException e) {
      e.printStackTrace();
    } catch (InvalidKeyException e) {
      e.printStackTrace();
    }
    return null;
  }
  private static String byte2Base64(byte[] bytes){
    return Base64.encodeBase64String(bytes);
  }
  public static void main(String[] args) throws Exception {
    System.out.println(getSignedUrl("shareID***", "token***")); // shareID详见前面文档中的说明
  }
}

using System;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Text;

namespace sugarToken
{
  class Program
  {
    static void Main(string[] args)
    {
      // url需要根据实际情况相应修改， shareID详见前面文档中的说明
      Console.WriteLine(GenerateUrl("https://sugar.baidubce.com/dashboard/", "1827981ec07ac66f937a88c9e65f****", "OAMf7CvniOGgoNijH9mFHEHSAf7****"));
    }
    private static string GenerateUrl(string sugarBase, string shareID, string token, Dictionary<string, string> customeParams)
    {
      string timestamp = GetTimeStamp();
      string signStr = shareID + "|" + timestamp;

      var encoding = new System.Text.ASCIIEncoding();
      byte[] keyByte = encoding.GetBytes(token);
      byte[] messageBytes = encoding.GetBytes(signStr);
      string signature;
      using (var hmacsha256 = new HMACSHA256(keyByte))
      {
        byte[] hashmessage = hmacsha256.ComputeHash(messageBytes);
        signature = Convert.ToBase64String(hashmessage);
      }

      var paramDic = new Dictionary<string, string>();
      paramDic.Add("_sugar_time", timestamp);
      paramDic.Add("_sugar_signature", signature);
      return sugarBase + shareID + "?" + ParseToString(paramDic);
    }
    public static string GetTimeStamp()
    {
      TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
      return Convert.ToInt64(ts.TotalMilliseconds).ToString();
    }
    static public string ParseToString(IDictionary<string, string> parameters)
    {
      IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parameters);
      IEnumerator<KeyValuePair<string, string>> dem = sortedParams.GetEnumerator();

      StringBuilder query = new StringBuilder("");
      while (dem.MoveNext())
      {
        string key = dem.Current.Key;
        string value = dem.Current.Value;
        if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
        {
          query.Append(key).Append("=").Append(HttpUtility.UrlEncode(value)).Append("&");
        }
      }
      string content = query.ToString().Substring(0, query.Length - 1);

      return content;
    }
  }
}

<script>
  window.addEventListener('message', function (e) {
    var height = e.data.height;
    document.getElementById('sugar-report').style.height = height + 'px';
  });
</script>
<iframe src="{分享 url}" style="border: none;" width="960" id="sugar-report"></iframe>