(Delphi ActiveX) UniPin Game List

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

For more information, see https://documenter.getpostman.com/view/8087848/SVfNvUt2?version=latest#1685124e-d292-4414-b1ca-e34e3f3ec7b4

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
dt: TCkDateTime;
timestamp: WideString;
partnerId: WideString;
crypt: TChilkatCrypt2;
sbMacData: TChilkatStringBuilder;
auth: WideString;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
game_category: WideString;
game_code: WideString;
game_name: WideString;
icon_url: WideString;
game_status: WideString;
updated_at: WideString;
status: Integer;
reason: WideString;
i: Integer;
count_i: Integer;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

// 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

dt := TCkDateTime.Create(Self);
dt.SetFromCurrentSystemTime();
timestamp := dt.GetAsUnixTimeStr(0);

// Change this to your actual partner ID.
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)
crypt := TChilkatCrypt2.Create(Self);
crypt.MacAlgorithm := 'hmac';
crypt.HashAlgorithm := 'sha256';
crypt.EncodingMode := 'hexlower';

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

sbMacData := TChilkatStringBuilder.Create(Self);
sbMacData.Append(partnerId);
sbMacData.Append(timestamp);
sbMacData.Append('in-game-topup/list');

auth := crypt.MacStringENC(sbMacData.GetAsString());
http.SetRequestHeader('auth',auth);

resp := http.QuickRequest('POST','https://dev-api.unipin.com/in-game-topup/list');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');

    Exit;
  end;

// 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

status := jResp.IntOf('status');
reason := jResp.StringOf('reason');
i := 0;
count_i := jResp.SizeOfArray('game_list');
while i < count_i do
  begin
    jResp.I := i;
    game_category := jResp.StringOf('game_list[i].game_category');
    game_code := jResp.StringOf('game_list[i].game_code');
    game_name := jResp.StringOf('game_list[i].game_name');
    icon_url := jResp.StringOf('game_list[i].icon_url');
    game_status := jResp.StringOf('game_list[i].game_status');
    updated_at := jResp.StringOf('game_list[i].updated_at');
    i := i + 1;
  end;
end;