/// <summary>
/// Use this method to authorize the application to SmugMug.
/// </summary>
public static async Task <OAuthToken> AuthorizeSmugMug(string apiKey, string secret, AuthenticationOptions options)
{
OAuth.OAuthAuthenticator authenticator = new OAuth.OAuthAuthenticator(apiKey, secret);
string reqTokUrl = authenticator.CreateGetRequestTokenAddress(OAuthGetRequestTokenUrl, HttpMethod.Get.ToString(), NonWebOAuthApplicationCallback);
string tokens = await GetResponseContentAsync(reqTokUrl);
// Figure out which authorization options are requested (if any)
string authorizationOptions = options == null ? string.Empty : "?" + options.AsQueryString();
string authorizeUrl = authenticator.CreateAuthorizeAddress(OAuthAuthorizeUrl + authorizationOptions, tokens);
Process.Start(authorizeUrl);
Console.WriteLine("Press [Enter] after you authorized the application and entered the pin provided");
string pin = Console.ReadLine();
// Get the request token to exchange for an access token
authenticator.ParseRequestTokens(tokens, out string reqToken, out string reqTokenSecret);
string accessTokenUrl = authenticator.CreateGetAccessTokenAddress(OAuthGetAccessTokenUrl, "GET", reqTokenSecret, reqToken, pin);
string authTokens = GetResponseContentAsync(accessTokenUrl).Result;
string authToken, authTokenSecret;
authenticator.ParseRequestTokens(authTokens, out authToken, out authTokenSecret);
return(new OAuthToken(apiKey, secret, authToken, authTokenSecret));
}