(Unicode C) 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.

For more information, see https://developer-docs.amazon.com/sp-api/docs/tokens-api-v2021-03-01-reference#post-tokens2021-03-01restricteddatatoken

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#include <C_CkAuthAwsW.h>
#include <C_CkRestW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkAuthAwsW authAws;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkJsonObjectW jsonToken;
    const wchar_t *lwa_token;
    HCkJsonObjectW json;
    HCkStringBuilderW sbRequest;
    HCkStringBuilderW sbResponse;
    const wchar_t *uri;
    int statusCode;
    HCkJsonObjectW jsonResp;
    int expiresIn;
    const wchar_t *restrictedDataToken;

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

    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    CkAuthAwsW_putServiceName(authAws,L"execute-api");
    // Use the region that is correct for your needs.
    CkAuthAwsW_putRegion(authAws,L"eu-west-1");

    rest = CkRestW_Create();
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    // The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
    // Use the production endpoint and see the note below.
    success = CkRestW_Connect(rest,L"sellingpartnerapi-eu.amazon.com",port,bTls,bAutoReconnect);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        return;
    }

    success = CkRestW_SetAuthAws(rest,authAws);

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    jsonToken = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/sp_api_lwa_token.json");
    if (success == FALSE) {
        wprintf(L"Failed to load LWA access token.\n");
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        return;
    }

    // Add the x-amz-access-token request header.
    lwa_token = CkJsonObjectW_stringOf(jsonToken,L"access_token");
    CkRestW_ClearAllHeaders(rest);
    CkRestW_AddHeader(rest,L"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

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"restrictedResources[0].method",L"GET");
    CkJsonObjectW_UpdateString(json,L"restrictedResources[0].path",L"/orders/v0/orders");
    CkJsonObjectW_UpdateString(json,L"restrictedResources[0].dataElements[0]",L"buyerInfo");
    CkJsonObjectW_UpdateString(json,L"restrictedResources[0].dataElements[1]",L"shippingAddress");

    sbRequest = CkStringBuilderW_Create();
    CkJsonObjectW_EmitSb(json,sbRequest);

    sbResponse = CkStringBuilderW_Create();
    uri = L"/tokens/2021-03-01/restrictedDataToken";
    success = CkRestW_FullRequestSb(rest,L"POST",uri,sbRequest,sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    // ------------------------------------------------------------------------------------
    // 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.
    statusCode = CkRestW_getResponseStatusCode(rest);
    if (statusCode != 200) {
        wprintf(L"Response status code: %d\n",statusCode);
        wprintf(L"Response status text: %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"Response body: \n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));
        wprintf(L"Failed.\n");
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));

    // 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

    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jsonResp,sbResponse);

    expiresIn = CkJsonObjectW_IntOf(jsonResp,L"expiresIn");
    restrictedDataToken = CkJsonObjectW_stringOf(jsonResp,L"restrictedDataToken");

    // Save the RDT for subsequent use..
    success = CkJsonObjectW_WriteFile(jsonResp,L"qa_data/tokens/sp_api_rdt_token.json");

    wprintf(L"Success!\n");


    CkAuthAwsW_Dispose(authAws);
    CkRestW_Dispose(rest);
    CkJsonObjectW_Dispose(jsonToken);
    CkJsonObjectW_Dispose(json);
    CkStringBuilderW_Dispose(sbRequest);
    CkStringBuilderW_Dispose(sbResponse);
    CkJsonObjectW_Dispose(jsonResp);

    }