(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 <CkAuthAws.h>
#include <CkRest.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

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

    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("execute-api");
    // Use the region that is correct for your needs.
    authAws.put_Region("eu-west-1");

    CkRest rest;
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    // The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
    // Use the production endpoint and see the note below.
    bool success = rest.Connect("sellingpartnerapi-eu.amazon.com",port,bTls,bAutoReconnect);
    if (success == false) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    success = rest.SetAuthAws(authAws);

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    CkJsonObject jsonToken;
    success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json");
    if (success == false) {
        std::cout << "Failed to load LWA access token." << "\r\n";
        return;
    }

    // Add the x-amz-access-token request header.
    const char *lwa_token = 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

    CkJsonObject json;
    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");

    CkStringBuilder sbRequest;
    json.EmitSb(sbRequest);

    CkStringBuilder sbResponse;
    const char *uri = "/tokens/2021-03-01/restrictedDataToken";
    success = rest.FullRequestSb("POST",uri,sbRequest,sbResponse);
    if (success == false) {
        std::cout << rest.lastErrorText() << "\r\n";
        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.
    int statusCode = rest.get_ResponseStatusCode();
    if (statusCode != 200) {
        std::cout << "Response status code: " << statusCode << "\r\n";
        std::cout << "Response status text: " << rest.responseStatusText() << "\r\n";
        std::cout << "Response body: " << "\r\n";
        std::cout << sbResponse.getAsString() << "\r\n";
        std::cout << "Failed." << "\r\n";
        return;
    }

    std::cout << sbResponse.getAsString() << "\r\n";

    // 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

    CkJsonObject jsonResp;
    jsonResp.LoadSb(sbResponse);

    int expiresIn = jsonResp.IntOf("expiresIn");
    const char *restrictedDataToken = jsonResp.stringOf("restrictedDataToken");

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

    std::cout << "Success!" << "\r\n";
    }