(VB.NET UWP/WinRT) Refresh WiX Access Token

Request a new access token each time you call a WiX API. Use the refresh token together with your secret key, to request refresh tokens

For more information, see https://dev.wix.com/api/rest/authorization/oauth-2/refresh-an-access-token

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Dim http As New Chilkat.Http

' Implements the following CURL command:

' curl -X POST \
'   https://www.wix.com/oauth/access \
'   -H 'Content-Type: application/json' \
'   -d '{
'     "grant_type": "refresh_token",
'     "client_id": <CLIENT_ID>,
'     "client_secret": <CLIENT_SECRET>,
'     "refresh_token": <REFRESH_TOKEN>
' }'

' It is assumed we previously obtained an OAuth2 access token.
' This example loads the JSON access token file 
' saved by this example: Get WiX OAuth2 Access Token

Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean = jsonToken.LoadFile("qa_data/tokens/wix.json")
If (success <> True) Then
    Debug.WriteLine("Failed to load square.json")
    Exit Sub
End If


' Get the "refresh_token"
Dim refreshToken As String = jsonToken.StringOf("refresh_token")

' The following JSON is sent in the request body.

' {
'   "grant_type": "refresh_token",
'   "client_id": <APP_ID>,
'   "client_secret": <APP_SECRET>,
'   "refresh_token": <REFRESH_TOKEN>
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("grant_type","refresh_token")
json.UpdateString("client_id","CLIENT_ID")
json.UpdateString("client_secret","CLIENT_SECRET")
json.UpdateString("refresh_token",refreshToken)

http.SetRequestHeader("Content-Type","application/json")

Dim resp As Chilkat.HttpResponse = Await http.PostJson3Async("https://www.wix.com/oauth/access","application/json",json)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' Sample JSON response:

' {
'   "refresh_token": "OAUTH2.eyJraWQ ... vnB4cQ",
'   "access_token": "OAUTH2.eyJra ... la18lrw"
' }

Dim refresh_token As String = jResp.StringOf("refresh_token")
Dim access_token As String = jResp.StringOf("access_token")

' Save the new JSON access token response to a file.
sbResponseBody.WriteFile("qa_data/tokens/wix.json","utf-8",False)