Delphi DLL

UniPin Game List

See more UniPin Examples

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

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, CkDateTime, HttpResponse, StringBuilder, JsonObject, Crypt2;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
dt: HCkDateTime;
timestamp: PWideChar;
partnerId: PWideChar;
crypt: HCkCrypt2;
sbMacData: HCkStringBuilder;
auth: PWideChar;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
game_category: PWideChar;
game_code: PWideChar;
game_name: PWideChar;
icon_url: PWideChar;
game_status: PWideChar;
updated_at: PWideChar;
status: Integer;
reason: PWideChar;
i: Integer;
count_i: Integer;

begin
success := False;

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

http := CkHttp_Create();

// 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 := CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dt);
timestamp := CkDateTime__getAsUnixTimeStr(dt,False);

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

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

// Calculate the auth header using  hash_hmac(sha256,partnerid+timestamp+path,secretkey)
crypt := CkCrypt2_Create();
CkCrypt2_putMacAlgorithm(crypt,'hmac');
CkCrypt2_putHashAlgorithm(crypt,'sha256');
CkCrypt2_putEncodingMode(crypt,'hexlower');

// Change this to your actual secret key..
CkCrypt2_SetMacKeyEncoded(crypt,'wabc123asljdgadlgd3','us-ascii');

sbMacData := CkStringBuilder_Create();
CkStringBuilder_Append(sbMacData,partnerId);
CkStringBuilder_Append(sbMacData,timestamp);
CkStringBuilder_Append(sbMacData,'in-game-topup/list');

auth := CkCrypt2__macStringENC(crypt,CkStringBuilder__getAsString(sbMacData));
CkHttp_SetRequestHeader(http,'auth',auth);

resp := CkHttpResponse_Create();
success := CkHttp_HttpNoBody(http,'POST','https://dev-api.unipin.com/in-game-topup/list',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

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

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    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 := CkJsonObject_IntOf(jResp,'status');
reason := CkJsonObject__stringOf(jResp,'reason');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'game_list');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    game_category := CkJsonObject__stringOf(jResp,'game_list[i].game_category');
    game_code := CkJsonObject__stringOf(jResp,'game_list[i].game_code');
    game_name := CkJsonObject__stringOf(jResp,'game_list[i].game_name');
    icon_url := CkJsonObject__stringOf(jResp,'game_list[i].icon_url');
    game_status := CkJsonObject__stringOf(jResp,'game_list[i].game_status');
    updated_at := CkJsonObject__stringOf(jResp,'game_list[i].updated_at');
    i := i + 1;
  end;

CkHttp_Dispose(http);
CkDateTime_Dispose(dt);
CkCrypt2_Dispose(crypt);
CkStringBuilder_Dispose(sbMacData);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;