DataFlex

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. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Variant vAuthAws
    Handle hoAuthAws
    Handle hoRest
    Boolean iBTls
    Integer iPort
    Boolean iBAutoReconnect
    Handle hoJsonToken
    String sLwa_token
    Handle hoJson
    Variant vSbRequest
    Handle hoSbRequest
    Variant vSbResponse
    Handle hoSbResponse
    String sUri
    Integer iStatusCode
    Handle hoJsonResp
    Integer iExpiresIn
    String sRestrictedDataToken
    String sTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatAuthAws)) To hoAuthAws
    If (Not(IsComObjectCreated(hoAuthAws))) Begin
        Send CreateComObject of hoAuthAws
    End
    Set ComAccessKey Of hoAuthAws To "AWS_ACCESS_KEY"
    Set ComSecretKey Of hoAuthAws To "AWS_SECRET_KEY"
    Set ComServiceName Of hoAuthAws To "execute-api"
    // Use the region that is correct for your needs.
    Set ComRegion Of hoAuthAws To "eu-west-1"

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End
    Move True To iBTls
    Move 443 To iPort
    Move True To iBAutoReconnect
    // The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
    // Use the production endpoint and see the note below.
    Get ComConnect Of hoRest "sellingpartnerapi-eu.amazon.com" iPort iBTls iBAutoReconnect To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoAuthAws to vAuthAws
    Get ComSetAuthAws Of hoRest vAuthAws To iSuccess

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/sp_api_lwa_token.json" To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to load LWA access token."
        Procedure_Return
    End

    // Add the x-amz-access-token request header.
    Get ComStringOf Of hoJsonToken "access_token" To sLwa_token
    Get ComClearAllHeaders Of hoRest To iSuccess
    Get ComAddHeader Of hoRest "x-amz-access-token" sLwa_token To iSuccess

    // 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

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "restrictedResources[0].method" "GET" To iSuccess
    Get ComUpdateString Of hoJson "restrictedResources[0].path" "/orders/v0/orders" To iSuccess
    Get ComUpdateString Of hoJson "restrictedResources[0].dataElements[0]" "buyerInfo" To iSuccess
    Get ComUpdateString Of hoJson "restrictedResources[0].dataElements[1]" "shippingAddress" To iSuccess

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbRequest
    If (Not(IsComObjectCreated(hoSbRequest))) Begin
        Send CreateComObject of hoSbRequest
    End
    Get pvComObject of hoSbRequest to vSbRequest
    Get ComEmitSb Of hoJson vSbRequest To iSuccess

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponse
    If (Not(IsComObjectCreated(hoSbResponse))) Begin
        Send CreateComObject of hoSbResponse
    End
    Move "/tokens/2021-03-01/restrictedDataToken" To sUri
    Get pvComObject of hoSbRequest to vSbRequest
    Get pvComObject of hoSbResponse to vSbResponse
    Get ComFullRequestSb Of hoRest "POST" sUri vSbRequest vSbResponse To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // ------------------------------------------------------------------------------------
    // 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.
    Get ComResponseStatusCode Of hoRest To iStatusCode
    If (iStatusCode <> 200) Begin
        Showln "Response status code: " iStatusCode
        Get ComResponseStatusText Of hoRest To sTemp1
        Showln "Response status text: " sTemp1
        Showln "Response body: "
        Get ComGetAsString Of hoSbResponse To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End

    Get ComGetAsString Of hoSbResponse To sTemp1
    Showln sTemp1

    // 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

    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonResp
    If (Not(IsComObjectCreated(hoJsonResp))) Begin
        Send CreateComObject of hoJsonResp
    End
    Get pvComObject of hoSbResponse to vSbResponse
    Get ComLoadSb Of hoJsonResp vSbResponse To iSuccess

    Get ComIntOf Of hoJsonResp "expiresIn" To iExpiresIn
    Get ComStringOf Of hoJsonResp "restrictedDataToken" To sRestrictedDataToken

    // Save the RDT for subsequent use..
    Get ComWriteFile Of hoJsonResp "qa_data/tokens/sp_api_rdt_token.json" To iSuccess

    Showln "Success!"


End_Procedure