/// <summary>
/// Reads authorization code from current session.
/// </summary>
public static bool ReadAuthCodeRequest(
HttpContextBase webContext,
out string code,
out string state,
out string requestTs,
out LiveAuthException error)
{
Debug.Assert(webContext != null);
NameValueCollection queryString = webContext.Request.QueryString;
code = queryString[AuthConstants.Code];
bool isCodeRequest = !string.IsNullOrEmpty(code);
string clientState = queryString[AuthConstants.ClientState];
IDictionary <string, string> states = LiveAuthUtility.DecodeAppRequestStates(clientState);
state = states.ContainsKey(AuthConstants.AppState) ? states[AuthConstants.AppState] : null;
requestTs = states.ContainsKey(AuthConstants.ClientRequestTs) ? states[AuthConstants.ClientRequestTs] : null;
string errorCode = queryString[AuthConstants.Error];
string errorDescription = queryString[AuthConstants.ErrorDescription];
error = string.IsNullOrEmpty(errorCode) ? null : new LiveAuthException(errorCode, errorDescription, state);
return(isCodeRequest);
}
