private async void LoadBtn_Click(object sender, EventArgs e)
{
string Path;
using (OpenFileDialog FileDialog = new OpenFileDialog()
{
AddExtension = true,
CheckFileExists = true,
Filter = "txt files (*.txt)|*.txt",
Multiselect = false,
Title = "Select DNSBL urls"
})
{
if (FileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
Path = FileDialog.FileName;
}
try
{
var No_Urls = await IPChecker.LoadUrlsAsync(Path);
ResultBox.Text += $"{DateTime.Now.ToLongTimeString()} - Loaded {No_Urls} urls.{Environment.NewLine}";
}
catch
{
MessageBox.Show("Invalid file.");
}
}
private async Task StartOperationAsync(string IP, CancellationToken CancellationToken = default)
{
int Counter = 0;
await foreach (var Result in IPChecker.CheckIPAsync(Tools.ReverseIP(IP), CancellationToken))
{
if (Tools.IsIPOk(Result.Value))
{
if (ResultBox.InvokeRequired)
{
ResultBox.BeginInvoke(new Action(() => { ResultBox.Text += $"{Counter} - {DateTime.Now.ToLongTimeString()} - {Result.Key} >>> OK!{Environment.NewLine}"; }));
}
else
{
ResultBox.Text += $"{Counter} - {DateTime.Now.ToLongTimeString()} - {Result.Key} >>> OK!{Environment.NewLine}";
}
}
else
{
if (ResultBox.InvokeRequired)
{
ResultBox.BeginInvoke(new Action(() => { ResultBox.Text += $"{Counter} - {DateTime.Now.ToLongTimeString()} - {Result.Key} >>> BLOCKED!{Environment.NewLine}"; }));
}
else
{
ResultBox.Text += $"{Counter} - {DateTime.Now.ToLongTimeString()} - {Result.Key} >>> BLOCKED!{Environment.NewLine}";
}
}
Counter++;
}
ResultBox.Text += $"{DateTime.Now.ToLongTimeString()} - Finished!{Environment.NewLine}";
}
public IPListenerService(string ip)
{
Ip = ip;
_ipChecker = new IPChecker(ip);
_timer = new Timer();
_timer.Interval = 5000;
_timer.AutoReset = true;
_timer.Elapsed += OnTimerElapsed;
}
public static IIPCheckerStrategy CreateIPChecker(IPChecker ipChecker)
{
switch (ipChecker)
{
case IPChecker.AWS: return(new AwsIPCheckerStrategy());
case IPChecker.DynDns: return(new DynDnsIPCheckerStrategy());
case IPChecker.Custom: return(new CustomIPCheckerStrategy());
default: throw new ArgumentException("Unknown IP Checker");
}
}
private async void StartBtn_Click(object sender, EventArgs e)
{
if (OperationStarted)
{
CancellationTokenSource.Cancel();
return;
}
else
{
CancellationTokenSource = new CancellationTokenSource();
}
if (string.IsNullOrWhiteSpace(IPBox.Text) || !IPAddress.TryParse(IPBox.Text, out _) || !IPChecker.AreUrlsLoaded())
{
MessageBox.Show("Make sure to load the DNSBL urls and enter a valid IP.", "Invalid IP or DNSBL", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
OperationStarted = true;
ClearBtn.Enabled = false;
LoadBtn.Enabled = false;
CurrentIPCheck.Enabled = false;
StartBtn.Text = "Stop";
Tooltip.SetToolTip(StartBtn, "Stop the ongoing check operation.");
ToggleLoader();
try
{
await StartOperationAsync(IPBox.Text, CancellationTokenSource.Token);
}
catch (OperationCanceledException)
{
ResultBox.Text += $"{DateTime.Now.ToLongTimeString()} - Operation cancelled!{Environment.NewLine}";
}
catch (Exception ex)
{
MessageBox.Show($"Error:\n{ex.Message}");
}
OperationStarted = false;
StartBtn.Text = "Start";
Tooltip.SetToolTip(StartBtn, "Start the checking operation.");
ClearBtn.Enabled = true;
LoadBtn.Enabled = true;
CurrentIPCheck.Enabled = true;
ToggleLoader();
}
public void TestIsValidIPv4NiR(string ip)
{
Assert.AreEqual(IPChecker.IPv4Class.NiR, IPChecker.IsValidIPv4(ip));
}
