public ActionResult LinkGitHub()
{
string rootUrl = Request.Url.GetLeftPart(UriPartial.Authority);
GitHubOAuthClient client = new GitHubOAuthClient();
client.ClientId = WebConfigurationManager.AppSettings["GitHubClientId"];
client.ClientSecret = WebConfigurationManager.AppSettings["GitHubClientSecret"];
client.RedirectUri = rootUrl + "/umbraco/surface/Profile/LinkGitHub";
// Set the state (a unique/random value)
string state = Guid.NewGuid().ToString();
Session["GitHub_" + state] = "Unicorn rainbows";
// Construct the authorization URL
string authorizatioUrl = client.GetAuthorizationUrl(state);
// Redirect the user to the OAuth dialog
return(Redirect(authorizatioUrl));
}
