public RequestToken GetRequestToken(Uri callbackUri)
{
IConsumerRequest request = Request()
.ForMethod("GET")
.AlterContext(context => context.CallbackUrl = (callbackUri == null) ? "oob" : callbackUri.ToString())
.AlterContext(context => context.Token = null)
.ForUri(ConsumerContext.RequestTokenUri)
.SignWithoutToken();
var results = request.Select(collection =>
new
{
ConsumerContext.ConsumerKey,
Token = ParseResponseParameter(collection, Parameters.OAuth_Token),
TokenSecret = ParseResponseParameter(collection, Parameters.OAuth_Token_Secret),
CallackConfirmed = WasCallbackConfimed(collection)
});
if (!results.CallackConfirmed && CallbackMustBeConfirmed)
{
throw Error.CallbackWasNotConfirmed();
}
var requestToken = new RequestToken
{
ConsumerKey = results.ConsumerKey,
Token = results.Token,
TokenSecret = results.TokenSecret
};
TokenRepository.SaveRequestToken(requestToken);
return(requestToken);
}