gistfile1

- (void)connectionDidReceiveAuthenticationChallenge:(CPURLConnection)aConnection
{
    _loginConnection = aConnection;
    
    [[LoginPanel sharedLoginPanel] beginWithModalDelegate:self 
                                           didEndSelector:@selector(processLogin:result:context:) 
                                              contextInfo:nil];
}

- (void)processLogin:(id)sender result:(const)result context:(id)contextInfo
{
    if(result == LOGIN_SUCCESS)
    {
        [_loginConnection cancel];
        [_loginConnection start];
    }
    else
        [[_loginConnection delegate] connection:_loginConnection didFailWithError: [_loginConnection _XMLHTTPRequest].responseText];
    
    _loginConnection = nil;
}