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JAVA 对接腾讯云直播的实现

2020年06月14日  | 移动技术网IT编程  | 我要评论

签名授权

public static t tecentdopostjsonv3(string url,string key,string secretid, tecentpublicparams header, string json, okhttpclient httpclient, class clazz) throws exception {
 // ************* 步骤 1：拼接规范请求串 *************
  string date = dateutils.format(new date(long.valueof(header.getx_tc_timestamp() + "000")),dateutils.format_short);
  string service = url.substring(0,url.indexof(".")); //截取服务类型 云直播是live
  system.out.println(json);
  string canonicalrequest ="post\n" +
     "/\n" +
     "\n" +
     "content-type:application/json; charset=utf-8\n" +
     "host:"+url+"\n" +
     "\n" +
     "content-type;host\n" +
     sha256hex(json);
  system.out.println(canonicalrequest);
  // ************* 步骤 2：拼接待签名字符串 *************
  string credentialscope = date+ "/" + service + "/" + "tc3_request";
  string hashedcanonicalrequest = sha256hex(canonicalrequest);
  string algorithm = "tc3-hmac-sha256";
  string stringtosign = algorithm + "\n" + header.getx_tc_timestamp() + "\n" + credentialscope + "\n" + hashedcanonicalrequest;
  system.out.println(stringtosign);
  // ************* 步骤 3：计算签名 *************
  byte[] secretdate = hmac256(("tc3" + key).getbytes(charset), date);
  byte[] secretservice = hmac256(secretdate, service);
  byte[] secretsigning = hmac256(secretservice, "tc3_request");
  string signature = datatypeconverter.printhexbinary(hmac256(secretsigning, stringtosign)).tolowercase();
  system.out.println(signature);
  // ************* 步骤 4：拼接 authorization *************
  string authorization = algorithm + " " + "credential=" + secretid + "/" + credentialscope + ", "
  + "signedheaders=" + "content-type;host" + ", " + "signature=" + signature;
  system.out.println(authorization);
  header.setauthorization(authorization);
  jsonobject jsonobject = (jsonobject)json.tojson(header);
  requestbody requestbody = requestbody.create(content_type, json);
  request.builder builder = new request.builder();

  for (map.entry entry:jsonobject.entryset()) {
   if(entry.getvalue()==null){
     continue;
   }
   builder.addheader(string.valueof(entry.getkey()).replaceall("_","-"),string.valueof(entry.getvalue()));
  }
  // 用okhttp3 拼接发送请求
  try {
   response response = httpclient.newcall((builder).url("https://"+url).post(requestbody).build()).execute();

   string request = response.body().string();
   t t = json.parseobject(request, clazz);
   return t;
  } catch (ioexception var8) {
   throw new apiprocessexception(errorcode.http_request_error, var8.getmessage());
  }
}
public static  byte[] hmac256(byte[] key, string msg) throws exception {
  mac mac = mac.getinstance("hmacsha256");
  secretkeyspec secretkeyspec = new secretkeyspec(key, mac.getalgorithm());
  mac.init(secretkeyspec);
  return mac.dofinal(msg.getbytes(charset));
}

公共参数实体类

public class tecentpublicparams {
  private string x_tc_action;
  private string x_tc_region;
  private string x_tc_timestamp = long.tostring(system.currenttimemillis() / 1000);
  private string x_tc_version;
  private string authorization;
  private string x_tc_language = "zh-cn";
  private string x_tc_token;

  public string getx_tc_action() {
    return x_tc_action;
  }

  public void setx_tc_action(string x_tc_action) {
    x_tc_action = x_tc_action;
  }

  public string getx_tc_region() {
    return x_tc_region;
  }

  public void setx_tc_region(string x_tc_region) {
    x_tc_region = x_tc_region;
  }

  public string getx_tc_timestamp() {
    return x_tc_timestamp;
  }

  public void setx_tc_timestamp(string x_tc_timestamp) {
    x_tc_timestamp = x_tc_timestamp;
  }

  public string getx_tc_version() {
    return x_tc_version;
  }

  public void setx_tc_version(string x_tc_version) {
    x_tc_version = x_tc_version;
  }

  public string getauthorization() {
    return authorization;
  }

  public void setauthorization(string authorization) {
    authorization = authorization;
  }

  public string getx_tc_language() {
    return x_tc_language;
  }

  public void setx_tc_language(string x_tc_language) {
    x_tc_language = x_tc_language;
  }

  public string getx_tc_token() {
    return x_tc_token;
  }

  public void setx_tc_token(string x_tc_token) {
    x_tc_token = x_tc_token;
  }
}

调用方法

string tencentliveapi = "live.tencentcloudapi.com";
string secret_key = "***"; //此处填写自己腾讯云key
string secret_id = "***"; //此处填写自己腾讯云密匙
tecentpublicparams tecentpublicparams = new tecentpublicparams();
tecentpublicparams.setx_tc_action("describelivestreampublishedlist"); //对应方法名
tecentpublicparams.setx_tc_version("2018-08-01");
treemap keyvalues = new treemap(); //参数
keyvalues.put("domainname","***");
keyvalues.put("endtime", dateutils.format(new date(),"yyyy-mm-dd't'hh:mm:ss'z'"));
keyvalues.put("starttime", dateutils.format(dateutils.addday(new date(),-30),"yyyy-mm-dd't'hh:mm:ss'z'"));
string back ="";
try {
  back = liveutils.tecentdopostjsonv3(tencentliveapi,secret_key,secret_id,tecentpublicparams,json.tojsonstring(keyvalues),httpclient,string.class);
} catch (exception e) {
  e.printstacktrace();
}

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