B4X

Create Restricted Data Token (RDT)

See more Amazon SP-API Examples

Returns a Restricted Data Token (RDT) for one or more restricted resources that you specify. B4X

Dim success As Boolean = False

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

Dim authAws As ChilkatAuthAws
authAws.Initialize
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.ServiceName = "execute-api"
'  Use the region that is correct for your needs.
authAws.Region = "eu-west-1"

Dim rest As ChilkatRest
rest.Initialize("rest")
Dim bTls As Boolean = True
Dim port As Int = 443
Dim bAutoReconnect As Boolean = True
'  The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
'  Use the production endpoint and see the note below.
success = rest.Connect("sellingpartnerapi-eu.amazon.com", port, bTls, bAutoReconnect)
If success = False Then
    Log(rest.LastErrorText)
    Return
End If


success = rest.SetAuthAws(authAws)

'  Load the previously obtained LWA access token.
'  See Fetch SP-API LWA Access Token
Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json")
If success = False Then
    Log("Failed to load LWA access token.")
    Return
End If


'  Add the x-amz-access-token request header.
Dim lwa_token As String = jsonToken.StringOf("access_token")
rest.ClearAllHeaders
rest.AddHeader("x-amz-access-token", lwa_token)

'  We're going to send a POST with the following JSON body:

'  {
'    "restrictedResources": [
'      {
'        "method": "GET",
'        "path": "/orders/v0/orders",
'        "dataElements": ["buyerInfo", "shippingAddress"]
'      }
'    ]
'  }

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

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("restrictedResources[0].method", "GET")
json.UpdateString("restrictedResources[0].path", "/orders/v0/orders")
json.UpdateString("restrictedResources[0].dataElements[0]", "buyerInfo")
json.UpdateString("restrictedResources[0].dataElements[1]", "shippingAddress")

Dim sbRequest As ChilkatStringBuilder
sbRequest.Initialize
json.EmitSb(sbRequest)

Dim sbResponse As ChilkatStringBuilder
sbResponse.Initialize
Dim uri As String = "/tokens/2021-03-01/restrictedDataToken"
success = rest.FullRequestSb("POST", uri, sbRequest, sbResponse)
If success = False Then
    Log(rest.LastErrorText)
    Return
End If


'  ------------------------------------------------------------------------------------
'  Note: Using the sandbox endpoint, such as sandbox.sellingpartnerapi-eu.amazon.com
'  results in a response status code of 400 with the following error:
'  [{"code":"InvalidInput","message":"Could not match input arguments"}]
'  Getting a restricted data token seems to only work with the production endpoint.
'  ------------------------------------------------------------------------------------

'  Examine the response status.
Dim statusCode As Int = rest.ResponseStatusCode
If statusCode <> 200 Then
    Log("Response status code: " & statusCode)
    Log("Response status text: " & rest.ResponseStatusText)
    Log("Response body: ")
    Log(sbResponse.GetAsString)
    Log("Failed.")
    Return
End If


Log(sbResponse.GetAsString)

'  If successful, gets a JSON response such as the following:

'  {
'    "expiresIn": 3600,
'    "restrictedDataToken": "Atz.sprdt|AYAB.....TQ="
'  }

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

Dim jsonResp As ChilkatJsonObject
jsonResp.Initialize
jsonResp.LoadSb(sbResponse)

Dim expiresIn As Int = jsonResp.IntOf("expiresIn")
Dim restrictedDataToken As String = jsonResp.StringOf("restrictedDataToken")

'  Save the RDT for subsequent use..
success = jsonResp.WriteFile("qa_data/tokens/sp_api_rdt_token.json")

Log("Success!")