JAVA 對接騰訊雲直播

moscot發表於2020-03-17

簽名授權

public static  T TecentDoPostJsonV3(String url,String key,String secretId, TecentPublicParams header, String json, OkHttpClient httpClient, Class clazz) throws Exception {
  // ************* 步驟 1:拼接規範請求串 *************
   String date = DateUtils.format(new Date(Long.valueOf(header.getX_TC_Timestamp() + "000")),DateUtils.FORMAT_SHORT);
   String service = url.substring(0,url.indexOf(".")); //擷取服務型別 雲直播是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);
   // ************* 步驟 2:拼接待簽名字串 *************
   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);
   // ************* 步驟 3:計算簽名 *************
   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);
   // ************* 步驟 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 拼接傳送請求
   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));
}

公共引數實體類

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;
    }
}

呼叫方法

String tencentLiveApi = "live.tencentcloudapi.com";
String SECRET_KEY = "***"; //此處填寫自己騰訊雲key
String SECRET_ID = "***"; //此處填寫自己騰訊雲密匙
TecentPublicParams tecentPublicParams = new TecentPublicParams();
tecentPublicParams.setX_TC_Action("DescribeLiveStreamPublishedList"); //對應方法名
tecentPublicParams.setX_TC_Version("2018-08-01");
TreeMap keyValues = new TreeMap(); //引數
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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