private string getExternalIP()
{
try
{
if (string.IsNullOrEmpty(urlForIPCheck))
{
urlForIPCheck = "https://dynamix.run/ip.php";
}
var response = GenericHelper.MakeHTTPGETRequest(urlForIPCheck);
//Search for the ip in the html
int first = response.IndexOf("Address: ") + 9;
int last = response.LastIndexOf("</body>");
if (first != -1 && last != -1)
{
response = response.Substring(first, last - first);
}
response = GenericHelper.ParseIPv4Addr(response);
//Write the IP to oldip.txt
if (!string.IsNullOrEmpty(response) && GenericHelper.CheckIPValid(response))
{
if (!File.Exists(oldIPFile))
{
writeOldIP(response);
oldIP = response;
}
else
{
oldIP = loadOldIP();
}
currentIP.Text = response;
}
resetTimeLabels();
return(response);
}
catch
{
resetTimeLabels();
customError unableToConnect = new customError("Unable to determine your external IP address.", "Unable to contact " + urlForIPCheck + "\nA firewall has blocked the connection!\nYou have no connection to the internet!");
if (timer1.Enabled == true)
{
if (timer1.Interval > 10000)
{
unableToConnect.intervalForTimer = timer1.Interval;
}
else
{
unableToConnect.intervalForTimer = 10000;
}
}
else
{
unableToConnect.intervalForTimer = 10000;
}
unableToConnect.Show();
//MessageBox.Show(" \n\tPossible causes:\n\t No internet connection\n\t DynDns IP service down.", "Error Determining IP", MessageBoxButtons.OK, MessageBoxIcon.Error);
return("");
}
}
private void updateIP()
{
if (oldIP != IPAddress && GenericHelper.CheckIPValid(IPAddress) && GenericHelper.CheckIPValid(oldIP))
{
stopScanningInterval();
// Run configured external applications for when the IP address changes and pass in the parameters
runExternalApps();
// Run IP updating services
runInternetServices();
writeOldIP(IPAddress);
oldIPLabel.Text = oldIP;
oldIPLabel.Visible = true;
oldIPLabelText.Visible = true;
// Restart the scanning
startScanning();
}
}
