Yahoo API OAuth with OOB and Hammock

yahoo_api_oauth_oob.cs

using Hammock;
using Hammock.Authentication.OAuth;

var credentials = new OAuthCredentials
{
    ConsumerKey = "[INSERTKEY]",
    SignatureMethod = OAuthSignatureMethod.HmacSha1,
    ParameterHandling = OAuthParameterHandling.HttpAuthorizationHeader,
    ConsumerSecret = "[INSERTSECRET]",
    CallbackUrl = "oob"
};

var client = new RestClient
{
    Authority = "https://api.login.yahoo.com/oauth",
    Credentials = credentials
};

client.BeginRequest(
    new RestRequest
    {
        Path = "/v2/get_request_token"
    },
    (request, response, userState) =>
    {
        // Parse the query string either using System.Web or Whatever Means Available
        // There are numerous examples of this online with various levels of correctness
        var queryParameters = ParseQueryString(response.Content);
                    
        oAuthToken = queryParameters["oauth_token"];
        oAuthTokenSecret = queryParameters["oauth_token_secret"];

        var authorizeUrl = "https://api.login.yahoo.com/oauth/v2/request_auth?oauth_token=" + oAuthToken;

        // TODO: Insert logic to navigate to this URL in a browser window
    });