/// <summary>
/// Starts authentication.
/// </summary>
/// <param name="userName">User login name.</param>
/// <param name="password">Password.</param>
/// <param name="tryApop"> If true and POP3 server supports APOP, then APOP is used, otherwise normal login used.</param>
/// <param name="callback">Callback to call when the asynchronous operation is complete.</param>
/// <param name="state">User data.</param>
/// <returns>An IAsyncResult that references the asynchronous operation.</returns>
/// <exception cref="ObjectDisposedException">Is raised when this object is disposed and this method is accessed.</exception>
/// <exception cref="InvalidOperationException">Is raised when POP3 client is not connected or is already authenticated.</exception>
public IAsyncResult BeginAuthenticate(string userName,
string password,
bool tryApop,
AsyncCallback callback,
object state)
{
if (IsDisposed)
{
throw new ObjectDisposedException(GetType().Name);
}
if (!IsConnected)
{
throw new InvalidOperationException("You must connect first.");
}
if (IsAuthenticated)
{
throw new InvalidOperationException("Session is already authenticated.");
}
AuthenticateDelegate asyncMethod = Authenticate;
AsyncResultState asyncState = new AsyncResultState(this, asyncMethod, callback, state);
asyncState.SetAsyncResult(asyncMethod.BeginInvoke(userName,
password,
tryApop,
asyncState.CompletedCallback,
null));
return(asyncState);
}
public void AuthenticateAsync(Func <string, string> userAuthCallback, Action <Action> completeCallback)
{
lock (authLock)
{
if (isAuthenticating)
{
throw new InvalidOperationException("SportsClient is currently authenticating...");
}
isAuthenticating = true;
AuthenticateDelegate dlgt = Authenticate;
dlgt.BeginInvoke(userAuthCallback, ar => completeCallback(() =>
{
((AuthenticateDelegate)ar.AsyncState)
.EndInvoke(ar);
IsAuthenticated = true;
isAuthenticating = false;
}), dlgt);
}
}
public IAsyncResult BeginAuthenticate(string userName,string password,AsyncCallback callback,object state)
{
if(this.IsDisposed){
throw new ObjectDisposedException(this.GetType().Name);
}
if(!this.IsConnected){
throw new InvalidOperationException("You must connect first.");
}
if(this.IsAuthenticated){
throw new InvalidOperationException("Session is already authenticated.");
}
AuthenticateDelegate asyncMethod = new AuthenticateDelegate(this.Authenticate);
AsyncResultState asyncState = new AsyncResultState(this,asyncMethod,callback,state);
asyncState.SetAsyncResult(asyncMethod.BeginInvoke(userName,password,new AsyncCallback(asyncState.CompletedCallback),null));
return asyncState;
}