Swift

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. Swift

func chilkatTest() {
    var success: Bool = false

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

    let authAws = CkoAuthAws()!
    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"

    let rest = CkoRest()!
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    // The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
    // Use the production endpoint and see the note below.
    success = rest.connect(hostname: "sellingpartnerapi-eu.amazon.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    success = rest.setAuthAws(authProvider: authAws)

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    let jsonToken = CkoJsonObject()!
    success = jsonToken.loadFile(path: "qa_data/tokens/sp_api_lwa_token.json")
    if success == false {
        print("Failed to load LWA access token.")
        return
    }

    // Add the x-amz-access-token request header.
    var lwa_token: String? = jsonToken.string(of: "access_token")
    rest.clearAllHeaders()
    rest.addHeader(name: "x-amz-access-token", value: 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

    let json = CkoJsonObject()!
    json.updateString(jsonPath: "restrictedResources[0].method", value: "GET")
    json.updateString(jsonPath: "restrictedResources[0].path", value: "/orders/v0/orders")
    json.updateString(jsonPath: "restrictedResources[0].dataElements[0]", value: "buyerInfo")
    json.updateString(jsonPath: "restrictedResources[0].dataElements[1]", value: "shippingAddress")

    let sbRequest = CkoStringBuilder()!
    json.emitSb(sb: sbRequest)

    let sbResponse = CkoStringBuilder()!
    var uri: String? = "/tokens/2021-03-01/restrictedDataToken"
    success = rest.fullRequestSb(httpVerb: "POST", uriPath: uri, requestBody: sbRequest, responseBody: sbResponse)
    if success == false {
        print("\(rest.lastErrorText!)")
        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.
    var statusCode: Int = rest.responseStatusCode.intValue
    if statusCode != 200 {
        print("Response status code: \(statusCode)")
        print("Response status text: \(rest.responseStatusText!)")
        print("Response body: ")
        print("\(sbResponse.getAsString()!)")
        print("Failed.")
        return
    }

    print("\(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

    let jsonResp = CkoJsonObject()!
    jsonResp.loadSb(sb: sbResponse)

    var expiresIn: Int = jsonResp.int(of: "expiresIn").intValue
    var restrictedDataToken: String? = jsonResp.string(of: "restrictedDataToken")

    // Save the RDT for subsequent use..
    success = jsonResp.writeFile(path: "qa_data/tokens/sp_api_rdt_token.json")

    print("Success!")

}