B4X

UniPin Game List

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Demonstrates how to send a POST with the hash_hmac(sha256,partnerid+timestamp+path,secretkey) authentication. B4X

Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

'  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

Dim dt As ChilkatDateTime
dt.Initialize
dt.SetFromCurrentSystemTime
Dim timestamp As String = dt.GetAsUnixTimeStr(False)

'  Change this to your actual partner ID.
Dim partnerId As String = "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)
Dim crypt As ChilkatCrypt2
crypt.Initialize("crypt")
crypt.MacAlgorithm = "hmac"
crypt.HashAlgorithm = "sha256"
crypt.EncodingMode = "hexlower"

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

Dim sbMacData As ChilkatStringBuilder
sbMacData.Initialize
sbMacData.Append(partnerId)
sbMacData.Append(timestamp)
sbMacData.Append("in-game-topup/list")

Dim auth As String = crypt.MacStringENC(sbMacData.GetAsString)
http.SetRequestHeader("auth", auth)

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpNoBody("POST", "https://dev-api.unipin.com/in-game-topup/list", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
resp.GetBodySb(sbResponseBody)
Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Header:")
    Log(resp.Header)
    Log("Failed.")
    Return
End If


'  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

Dim game_category As String
Dim game_code As String
Dim game_name As String
Dim icon_url As String
Dim game_status As String
Dim updated_at As String

Dim status As Int = jResp.IntOf("status")
Dim reason As String = jResp.StringOf("reason")
Dim i As Int = 0
Dim count_i As Int = jResp.SizeOfArray("game_list")
Do While i < count_i
    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
Loop