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Unicode C

UniPin Game List

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

Chilkat Unicode C Downloads

Unicode C
#include <C_CkHttpW.h>
#include <C_CkDateTimeW.h>
#include <C_CkCrypt2W.h>
#include <C_CkStringBuilderW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkDateTimeW dt;
    const wchar_t *timestamp;
    const wchar_t *partnerId;
    HCkCrypt2W crypt;
    HCkStringBuilderW sbMacData;
    const wchar_t *auth;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *game_category;
    const wchar_t *game_code;
    const wchar_t *game_name;
    const wchar_t *icon_url;
    const wchar_t *game_status;
    const wchar_t *updated_at;
    int status;
    const wchar_t *reason;
    int i;
    int count_i;

    success = FALSE;

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

    http = CkHttpW_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 = CkDateTimeW_Create();
    CkDateTimeW_SetFromCurrentSystemTime(dt);
    timestamp = CkDateTimeW_getAsUnixTimeStr(dt,FALSE);

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

    CkHttpW_SetRequestHeader(http,L"path",L"in-game-topup/list");
    CkHttpW_SetRequestHeader(http,L"timestamp",timestamp);
    CkHttpW_SetRequestHeader(http,L"partnerid",partnerId);
    CkHttpW_SetRequestHeader(http,L"Content-Type",L"application/json");

    // Calculate the auth header using  hash_hmac(sha256,partnerid+timestamp+path,secretkey)
    crypt = CkCrypt2W_Create();
    CkCrypt2W_putMacAlgorithm(crypt,L"hmac");
    CkCrypt2W_putHashAlgorithm(crypt,L"sha256");
    CkCrypt2W_putEncodingMode(crypt,L"hexlower");

    // Change this to your actual secret key..
    CkCrypt2W_SetMacKeyEncoded(crypt,L"wabc123asljdgadlgd3",L"us-ascii");

    sbMacData = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbMacData,partnerId);
    CkStringBuilderW_Append(sbMacData,timestamp);
    CkStringBuilderW_Append(sbMacData,L"in-game-topup/list");

    auth = CkCrypt2W_macStringENC(crypt,CkStringBuilderW_getAsString(sbMacData));
    CkHttpW_SetRequestHeader(http,L"auth",auth);

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpNoBody(http,L"POST",L"https://dev-api.unipin.com/in-game-topup/list",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkDateTimeW_Dispose(dt);
        CkCrypt2W_Dispose(crypt);
        CkStringBuilderW_Dispose(sbMacData);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",CkJsonObjectW_emit(jResp));

    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpResponseW_header(resp));
        wprintf(L"Failed.\n");
        CkHttpW_Dispose(http);
        CkDateTimeW_Dispose(dt);
        CkCrypt2W_Dispose(crypt);
        CkStringBuilderW_Dispose(sbMacData);
        CkHttpResponseW_Dispose(resp);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        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

    status = CkJsonObjectW_IntOf(jResp,L"status");
    reason = CkJsonObjectW_stringOf(jResp,L"reason");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"game_list");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        game_category = CkJsonObjectW_stringOf(jResp,L"game_list[i].game_category");
        game_code = CkJsonObjectW_stringOf(jResp,L"game_list[i].game_code");
        game_name = CkJsonObjectW_stringOf(jResp,L"game_list[i].game_name");
        icon_url = CkJsonObjectW_stringOf(jResp,L"game_list[i].icon_url");
        game_status = CkJsonObjectW_stringOf(jResp,L"game_list[i].game_status");
        updated_at = CkJsonObjectW_stringOf(jResp,L"game_list[i].updated_at");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkDateTimeW_Dispose(dt);
    CkCrypt2W_Dispose(crypt);
    CkStringBuilderW_Dispose(sbMacData);
    CkHttpResponseW_Dispose(resp);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }