(VB.NET UWP/WinRT) Shopware 6 - Get OAuth2 Access Token using Username and Password

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Demonstrates how to get an OAuth2 access token using your username and password.

For more information, see https://docs.shopware.com/en/shopware-platform-dev-en/admin-api-guide/authentication

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
Dim success As Boolean

' Sends the following POST

' 	{
' 	    "client_id": "administration",
' 	    "grant_type": "password",
' 	    "scopes": "write",
' 	    "username": "<user-username>",
' 	    "password": "<user-password>"
' 	}


' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON

' The following JSON is sent in the request body.

Dim json As New Chilkat.JsonObject
json.UpdateString("client_id","administration")
json.UpdateString("grant_type","password")
json.UpdateString("scopes","write")
json.UpdateString("username","<user-username>")
json.UpdateString("password","<user-password>")

Dim resp As Chilkat.HttpResponse = Await http.PostJson3Async("https://my-shopware-6-shop.de/api/oauth/token","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:
' (Sample code for parsing the JSON response is shown below)

' {
'   "token_type": "Bearer",
'   "expires_in": 600,
'   "access_token": "xxxxxxxxxxxxxx",
'   "refresh_token": "token"
' }

' 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 token_type As String = jResp.StringOf("token_type")
Dim expires_in As Integer = jResp.IntOf("expires_in")
Dim access_token As String = jResp.StringOf("access_token")
Dim refresh_token As String = jResp.StringOf("refresh_token")

' Save our JSON to a file (to be used in other examples..)
success = jResp.WriteFile("qa_data/tokens/shopware6.json")