private void checkButton_Click(object sender, EventArgs e)
{
try
{
checkButton.Enabled = true;
XmlLicense l = Manager.CheckLicense(licenseFileNameBox.Text, keyFileNameBox.Text);
licenseInfoBox.Text = "The license is valid\r\n" +
"User: "******"\r\n" +
"License Type: " + l.LicenseType + "\r\n" +
"Expired: " + l.Expired + "\r\n" +
"S/N: " + l.SerialNumber + "\r\n" +
"Issued: " + l.Issued;
}
catch (BadLicense ex)
{
licenseInfoBox.Text = "BAD LICENSE: " + ex.Message;
}
}
public IActionResult CreateLicense(string format, string sign, [FromBody] LicenseModel model)
{
ILicense license = null;
format = format.ToUpperInvariant();
switch (format)
{
case "XML":
license = new XmlLicense();
break;
case "ASCII":
case "BASE32":
license = new StringLicense();
break;
default:
return(BadRequest());
}
ISignatureProvider signature = null;
switch (sign.ToUpperInvariant())
{
case "ECDSA":
var ecdsa = new ECDsaSignature(ECDsaKeySize.KeySize112bit);
ecdsa.CreateKeyPair();
// Embed public key information in the license
ecdsa.GenerateKeyInfo = true;
model.PublicKey = ecdsa.PublicKey;
signature = ecdsa;
break;
case "RSA":
var rsa = new RSASignature(1024);
rsa.CreateKeyPair();
signature = rsa;
break;
default:
return(BadRequest());
}
// Fill license
license.WithId(model.Id ?? "1")
.IssuedAt(DateTime.UtcNow)
.WithType(model.Type ?? string.Empty)
.ForProduct(model.Product ?? string.Empty, model.Version ?? string.Empty)
.LicensedTo(model.Licensee ?? string.Empty);
if (model.ExpireDate.HasValue)
{
license.ExpiresAt(model.ExpireDate.Value.ToUniversalTime());
}
if (model.SupportExpireDate.HasValue)
{
license.SupportExpiresAt(model.SupportExpireDate.Value.ToUniversalTime());
}
// Sign license
var licenseBuilder = license.SignWith(signature);
var stringBuilder = licenseBuilder as StringLicenseBuilder;
if (stringBuilder != null)
{
switch (format)
{
case "ASCII":
stringBuilder.Format = StringFormat.Ascii;
break;
case "BASE32":
stringBuilder.Format = StringFormat.Base32;
break;
}
}
// Get license key
model.LicenseKey = licenseBuilder.ToReadableString();
return(Ok(model));
}
