JAVA如何对接腾讯云直播?-创新互联
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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)); }
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文章标题:JAVA如何对接腾讯云直播?-创新互联
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