Configure Google Service Account Authentication for REST

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Demonstrates Rest.SetAuthGoogle, which associates an AuthGoogle provider so Chilkat supplies a Google OAuth 2.0 bearer token on each request. The provider is configured with a service account JSON key and the required OAuth scope.

The file path is relative to the application's current working directory. An absolute path may also be used. Supply the path appropriate to your own environment.

var success = false;

var rest = new CkRest();
var bTls = true;
var bAutoReconnect = true;
success = rest.Connect("example.com",443,bTls,bAutoReconnect);
if (success == false) {
    console.log(rest.LastErrorText);
    return;
}

//  Configure Google service-account authentication.  Load the service account JSON key and set the
//  required OAuth scope(s).
var gAuth = new CkAuthGoogle();

var sbJsonKey = new CkStringBuilder();
var bLoaded = sbJsonKey.LoadFile("qa_data/service_account.json");
if (bLoaded !== true) {
    console.log("Failed to load the service account JSON key.");
    return;
}

var jsonKey = sbJsonKey.GetAsString();
if (sbJsonKey.LastMethodSuccess == false) {
    console.log(sbJsonKey.LastErrorText);
    return;
}

gAuth.JsonKey = jsonKey;

//  A space-delimited list of the requested permissions.
gAuth.Scope = "https://www.googleapis.com/auth/cloud-platform";

//  Associate the provider so Chilkat supplies a Google bearer token on each request.
success = rest.SetAuthGoogle(gAuth);
if (success == false) {
    console.log(rest.LastErrorText);
    return;
}

var responseText = rest.FullRequestNoBody("GET","/storage/v1/b?project=my-project");
if (rest.LastMethodSuccess == false) {
    console.log(rest.LastErrorText);
    return;
}

console.log(responseText);