Dart

UniPin Game List

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Demonstrates how to send a POST with the hash_hmac(sha256,partnerid+timestamp+path,secretkey) authentication. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final http = CkHttp();

  // Implements the following CURL command:

  // curl --request POST 'https://dev-api.unipin.com/in-game-topup/list' \
  // --header 'partnerid: 587e3675-e0ed-4e9e-9b39-099b11498fdc' \
  // --header 'timestamp: 1566552295' \
  // --header 'path: in-game-topup/list' \
  // --header 'auth: 1d9f5e7aca9f3c14da7c957d6977447739877cebfc10fcf3682bd32da47a2bda' \
  // --header 'Content-Type: application/json'

  // Use the following online tool to generate HTTP code from a CURL command
  // Convert a cURL Command to HTTP Source Code

  final dt = CkDateTime();
  dt.setFromCurrentSystemTime();
  final timestamp = dt.getAsUnixTimeStr(false);

  // Change this to your actual partner ID.
  final partnerId = '587e3675-e0ed-4e9e-9b39-099b11498fdc';

  http.setRequestHeader('path', 'in-game-topup/list');
  http.setRequestHeader('timestamp', timestamp);
  http.setRequestHeader('partnerid', partnerId);
  http.setRequestHeader('Content-Type', 'application/json');

  // Calculate the auth header using  hash_hmac(sha256,partnerid+timestamp+path,secretkey)
  final crypt = CkCrypt2();
  crypt.macAlgorithm = 'hmac';
  crypt.hashAlgorithm = 'sha256';
  crypt.encodingMode = 'hexlower';

  // Change this to your actual secret key..
  crypt.setMacKeyEncoded('wabc123asljdgadlgd3', 'us-ascii');

  final sbMacData = CkStringBuilder();
  sbMacData.append(partnerId);
  sbMacData.append(timestamp);
  sbMacData.append('in-game-topup/list');

  final auth = crypt.macStringENC(sbMacData.getAsString());
  http.setRequestHeader('auth', auth);

  final resp = CkHttpResponse();
  try {
    http.httpNoBody('POST', 'https://dev-api.unipin.com/in-game-topup/list', resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sbResponseBody = CkStringBuilder();
  resp.getBodySb(sbResponseBody);
  final jResp = CkJsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Header:');
    print(resp.header);
    print('Failed.');
    return;
  }

  // Sample JSON response:
  // (Sample code for parsing the JSON response is shown below)

  // {
  //   "game_list": [
  //     {
  //       "game_category": "MLBB_ID",
  //       "game_code": "MLBBD_ID",
  //       "game_name": "Mobile Legends Diamonds",
  //       "icon_url": "http://dev-backoffice.unipin.com/images/icon_direct_topup_games/1565343343-icon-1548659712-icon-Mobile legend 300x300 px.png",
  //       "game_status": "active",
  //       "updated_at": "2019-08-09 16:35:43"
  //     },
  //     {
  //       "game_category": "MLBB_ID",
  //       "game_code": "MLBBS_ID",
  //       "game_name": "Mobile Legends Starlight Member",
  //       "icon_url": "http://dev-backoffice.unipin.com/images/icon_direct_topup_games/1565343258-icon-1548659712-icon-Mobile legend 300x300 px.png",
  //       "game_status": "active",
  //       "updated_at": "2019-08-09 16:34:18"
  //     },
  // ...
  // ...
  //   ],
  //   "status": 1,
  //   "reason": "Successful"
  // }

  // Sample code for parsing the JSON response...
  // Use the following online tool to generate parsing code from sample JSON:
  // Generate Parsing Code from JSON

  var gameCategory = '';
  var gameCode = '';
  var gameName = '';
  var iconUrl = '';
  var gameStatus = '';
  var updatedAt = '';

  final status = jResp.intOf('status');
  final reason = jResp.stringOf('reason');
  var i = 0;
  final countI = jResp.sizeOfArray('game_list');
  while (i < countI) {
    jResp.i = i;
    gameCategory = jResp.stringOf('game_list[i].game_category');
    gameCode = jResp.stringOf('game_list[i].game_code');
    gameName = jResp.stringOf('game_list[i].game_name');
    iconUrl = jResp.stringOf('game_list[i].icon_url');
    gameStatus = jResp.stringOf('game_list[i].game_status');
    updatedAt = jResp.stringOf('game_list[i].updated_at');
    i++;
  }
}