public ActionResult Twitter()
{
Dictionary <string, string> parameters = Request.Params.ToDictionary();
string portalUri = _settings.PortalUri;
var callback = new UriBuilder(portalUri)
{
Path = (Url.Action("twittercallback") ?? string.Empty).ToLowerInvariant()
};
IIdentityProvider identityProvider = _identityFactory.CreateIdentityProvider(ProviderType.Twitter);
Uri authenticationUri;
try
{
authenticationUri = identityProvider.GetAutheticationUri(parameters, callback.Uri);
}
catch (Exception e)
{
Trace.TraceError("Failed to receive authentication uri: {0}", e);
return(RedirectToAction("Index", "Home"));
}
return(Redirect(authenticationUri.AbsoluteUri));
}