private void OpenLicenseFileButton_Click(object sender, RoutedEventArgs e)
{
var openFileDialog = new OpenFileDialog
{
Title = "License File",
Filter = "EverBlu license file(*.ebl)|*.ebl",
InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
};
if (openFileDialog.ShowDialog(this) ?? false)
{
FileInfo keyFile;
if (string.IsNullOrWhiteSpace(this.KeyFileTextBox.Text))
{
keyFile = null;
}
else
{
keyFile = new FileInfo(this.KeyFileTextBox.Text);
}
XDocument xDoc;
if (!LicenseFileVerifier.TryOpenLicenseFile(new FileInfo(openFileDialog.FileName), out xDoc, keyFile))
{
SetMessage("Corrupted License file", true);
}
else
{
/*
* <License>
* <MachineKey>garbage</MachineKey>
* <MaxUsers>55</MaxUsers>
* <ExpirationDate>2012-12-10T00:00:00+01:00</ExpirationDate>
* </License>
*/
var machineKey = xDoc.Root.Element("MachineKey").Value;
var maxUsers = XmlConvert.ToInt32(xDoc.Root.Element("MaxUsers").Value);
var expirationDateString = xDoc.Root.Element("ExpirationDate").Value;
var expirationDate = string.IsNullOrWhiteSpace(expirationDateString) ? (DateTime?)null : XmlConvert.ToDateTime(expirationDateString);
double daysLeft = ((expirationDate ?? DateTime.MaxValue).Date - DateTime.Now.Date).TotalDays;
if (machineKey != MachineKeyHelper.GetMachineKey())
{
SetMessage("Wrong machine", null);
}
else if (expirationDate.HasValue && daysLeft <= 0)
{
SetMessage("Trial expired", null);
}
else
{
var report = string.Format("{0} users max\r\n", maxUsers);
if (!expirationDate.HasValue)
{
report += "Commercial version";
}
else
{
report += string.Format("Trial version ({0} day(s) left)", daysLeft);
}
SetMessage(report, false);
}
}
}
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
this.MachineKeyTextBox.Text = MachineKeyHelper.GetMachineKey();
}