public static License GetProductKey()
{
if (File.Exists(Environment.SystemDirectory.ToString() + "/tdhash"))
{
StreamReader tr = new StreamReader(Environment.SystemDirectory.ToString() + "/tdhash");
string productKey = "";
if ((productKey = tr.ReadLine()) != null)
{
productKey = Decrypter.Decrypt(productKey);
ProductKeyHandler productKeyHandler = new ProductKeyHandler(productKey, productCode, version);
if (productKeyHandler.IsValidProductKey())
{
License license = new License();
license.ExpireDate = productKeyHandler.GetExpireDate();
license.LicenseType = productKeyHandler.GetLicenseType();
tr.Close();
return(license);
}
}
tr.Close();
}
return(null);
}
public static License ValidProductKey(string productKey)
{
ProductKeyHandler productKeyHandler = new ProductKeyHandler(productKey, productCode, version);
if (productKeyHandler.IsValidProductKey())
{
License license = new License();
license.ExpireDate = productKeyHandler.GetExpireDate();
license.LicenseType = productKeyHandler.GetLicenseType();
return(license);
}
return(null);
}
public static License ValidProductKey(string productKey)
{
ProductKeyHandler productKeyHandler = new ProductKeyHandler(productKey, Constants.GetProductCode(), Constants.GetProductVersion());
if (productKeyHandler.IsValidProductKey())
{
License license = new License();
license.ExpireDate = productKeyHandler.GetExpireDate();
license.LicenseType = productKeyHandler.GetLicenseType();
StreamWriter sw = new StreamWriter(Environment.SystemDirectory.ToString() + "/tdhash");
sw.WriteLine(Encode.Encrypter.Encrypt(productKey));
sw.Flush();
sw.Close();
return(license);
}
return(null);
}