(Objective-C) 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

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#import <CkoHttp.h>
#import <CkoDateTime.h>
#import <NSString.h>
#import <CkoCrypt2.h>
#import <CkoStringBuilder.h>
#import <CkoHttpResponse.h>
#import <CkoJsonObject.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// 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

CkoDateTime *dt = [[CkoDateTime alloc] init];
[dt SetFromCurrentSystemTime];
NSString *timestamp = [dt GetAsUnixTimeStr: NO];

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

[http SetRequestHeader: @"path" value: @"in-game-topup/list"];
[http SetRequestHeader: @"timestamp" value: timestamp];
[http SetRequestHeader: @"partnerid" value: partnerId];
[http SetRequestHeader: @"Content-Type" value: @"application/json"];

// Calculate the auth header using  hash_hmac(sha256,partnerid+timestamp+path,secretkey)
CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
crypt.MacAlgorithm = @"hmac";
crypt.HashAlgorithm = @"sha256";
crypt.EncodingMode = @"hexlower";

// Change this to your actual secret key..
[crypt SetMacKeyEncoded: @"wabc123asljdgadlgd3" encoding: @"us-ascii"];

CkoStringBuilder *sbMacData = [[CkoStringBuilder alloc] init];
[sbMacData Append: partnerId];
[sbMacData Append: timestamp];
[sbMacData Append: @"in-game-topup/list"];

NSString *auth = [crypt MacStringENC: [sbMacData GetAsString]];
[http SetRequestHeader: @"auth" value: auth];

CkoHttpResponse *resp = [http QuickRequest: @"POST" url: @"https://dev-api.unipin.com/in-game-topup/list"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"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

NSString *game_category = 0;
NSString *game_code = 0;
NSString *game_name = 0;
NSString *icon_url = 0;
NSString *game_status = 0;
NSString *updated_at = 0;

int status = [[jResp IntOf: @"status"] intValue];
NSString *reason = [jResp StringOf: @"reason"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"game_list"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: 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;
}