/// <summary>
/// Creates an instance of HttpLiveClient with
/// the Live ID username and password.
/// </summary>
/// <param name="username">Live ID username</param>
/// <param name="password">Live ID password</param>
public HttpLiveClient(string username, SecureString password)
{
this.username = username;
this.password = password;
this.challenge = null;
this.liveAuth = Utility.GetLiveIdAuth();
}
/// <summary>
/// If there is a cached challenge, it adds an authorization
/// header to the argument HTTP Request headers containing the
/// challenge response.
/// </summary>
/// <param name="headers">HTTP Request headers</param>
public void SetAuthorization(WebHeaderCollection headers)
{
if (!String.IsNullOrEmpty(this.challenge))
{
LiveIdAuthentication.AddAuthorizationHeaderToRequestHeaders(
headers, this.liveAuth.GetResponseForHttpChallenge(this.challenge));
}
}
public bool ProcessWebException(WebException ex)
{
this.challenge = LiveIdAuthentication.GetChallengeFromWebException(ex);
if (String.IsNullOrEmpty(this.challenge))
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// Executes an HTTP request ensuring login
/// is done before the request is executed.
/// If a WebException occurs containing a valid
/// challenge, the request is attempted again.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="func"></param>
/// <returns></returns>
private T ExecuteRequest <T>(Func <T> func)
{
this.EnsureLogin();
try
{
return(func());
}
catch (WebException ex)
{
this.challenge = LiveIdAuthentication.GetChallengeFromWebException(ex);
if (String.IsNullOrEmpty(this.challenge))
{
throw;
}
}
return(func());
}