protected string SignedPost (string url, IDictionary<string,string> parameters, OAuth.Token token) {
HttpWebRequest request = (HttpWebRequest)WebRequest.Create (url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.Headers.Add ("Authorization", OAuth.Sign (Consumer, url, parameters, token, "POST", null));
StreamWriter streamWriter = new StreamWriter (request.GetRequestStream ());
streamWriter.Write (OAuth.PercentEscape (parameters));
streamWriter.Close ();
HttpWebResponse response;
try {
response = (HttpWebResponse)request.GetResponse ();
} catch(WebException e) {
RdioException re;
response = (HttpWebResponse)e.Response;
if (response.StatusCode == HttpStatusCode.Forbidden ||
response.StatusCode == HttpStatusCode.Unauthorized) {
re = new AuthorizationException();
} else {
re = new RdioException();
}
re.Request = request;
re.Response = response;
re.Exception = e;
throw re;
}
StreamReader streamReader = new StreamReader (response.GetResponseStream ());
return streamReader.ReadToEnd ();
}
public RdioClient (OAuth.Consumer consumer, OAuth.Token accessToken)
{
Consumer = consumer;
AccessToken = accessToken;
}
public AuthState(OAuth.Token requestToken, string url) {
RequestToken = requestToken;
Url = url;
}
public RdioClient (OAuth.Consumer consumer)
{
Consumer = consumer;
}
public OAuth.Token CompleteAuthentication(string verifier, OAuth.Token requestToken) {
string response = SignedPost ("http://api.rdio.com/oauth/access_token",
new Dictionary<string,string> { { "oauth_verifier", verifier } },
requestToken);
NameValueCollection parsed = HttpUtility.ParseQueryString(response);
return new OAuth.Token(parsed["oauth_token"], parsed["oauth_token_secret"]);
}