public void ShowLicenseInfo(LicenseEntity license, string additionalInfo)
{
try
{
StringBuilder _sb = new StringBuilder(512);
Type _typeLic = license.GetType();
PropertyInfo[] _props = _typeLic.GetProperties();
object _value = null;
string _formatedValue = string.Empty;
foreach (PropertyInfo _p in _props)
{
try
{
ShowInLicenseInfoAttribute _showAttr = (ShowInLicenseInfoAttribute)Attribute.GetCustomAttribute(_p, typeof(ShowInLicenseInfoAttribute));
if (_showAttr != null && _showAttr.ShowInLicenseInfo)
{
_value = _p.GetValue(license, null);
_sb.Append(_showAttr.DisplayAs);
_sb.Append(": ");
//Append value and apply the format
if (_value != null)
{
switch (_showAttr.DataFormatType)
{
case ShowInLicenseInfoAttribute.FormatType.String:
_formatedValue = _value.ToString();
break;
case ShowInLicenseInfoAttribute.FormatType.Date:
if (_p.PropertyType == typeof(DateTime) && !string.IsNullOrWhiteSpace(DateFormat))
{
_formatedValue = ((DateTime)_value).ToString(DateFormat);
}
else
{
_formatedValue = _value.ToString();
}
break;
case ShowInLicenseInfoAttribute.FormatType.DateTime:
if (_p.PropertyType == typeof(DateTime) && !string.IsNullOrWhiteSpace(DateTimeFormat))
{
_formatedValue = ((DateTime)_value).ToString(DateTimeFormat);
}
else
{
_formatedValue = _value.ToString();
}
break;
case ShowInLicenseInfoAttribute.FormatType.EnumDescription:
string _name = Enum.GetName(_p.PropertyType, _value);
if (_name != null)
{
FieldInfo _fi = _p.PropertyType.GetField(_name);
DescriptionAttribute _dna = (DescriptionAttribute)Attribute.GetCustomAttribute(_fi, typeof(DescriptionAttribute));
if (_dna != null)
{
_formatedValue = _dna.Description;
}
else
{
_formatedValue = _value.ToString();
}
}
else
{
_formatedValue = _value.ToString();
}
break;
}
_sb.Append(_formatedValue);
}
_sb.Append("\r\n");
}
}
catch
{
//Ignore exeption
}
}
if (string.IsNullOrWhiteSpace(additionalInfo))
{
_sb.Append(additionalInfo.Trim());
}
txtLicInfo.Text = _sb.ToString();
}
catch (Exception ex)
{
txtLicInfo.Text = ex.Message;
}
}
private void but_Save_Click(object sender, EventArgs e)
{
if (txt_Name.Text.Length == 0)
{
MessageBox.Show("许可证名称不能为空!");
return;
}
if (txt_AssemblyName.Text.Length == 0)
{
MessageBox.Show("程序集名称不能为空!");
return;
}
but_Save.Enabled = false;
LicenseEntity license = new LicenseEntity();
license.ID = Guid.NewGuid();
license.Name = txt_Name.Text;
license.AssemblyName = txt_AssemblyName.Text;
license.PastDate = txt_PastDate.Value.ToString("yyyy-MM-dd");
license.UseNumber = int.Parse(txt_UseNumber.Text);
license.InstallNumber = int.Parse(txt_InstallNumber.Text);
license.VersionUpgrade = txt_VersionUpgrade.Checked;
string context = DESEncrypt.Encrypt(XmlFormatterSerializer.SerializeToXml(license, license.GetType()));
string licenseFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "LCL.lic");
if (!File.Exists(licenseFile) == true)
{
File.Delete(licenseFile);
}
File.WriteAllText(licenseFile, context);
MessageBox.Show("写入成功");
but_Save.Enabled = true;
}
public static string GenerateLicense(LicenseEntity lic, byte[] certPrivateKeyData, SecureString certFilePwd)
{
//Serialize license object into XML
XmlDocument licenseObject = new XmlDocument();
using (StringWriter writer = new StringWriter())
{
XmlSerializer serializer = new XmlSerializer(typeof(LicenseEntity), new[] { lic.GetType() });
serializer.Serialize(writer, lic);
licenseObject.LoadXml(writer.ToString());
}
//Get RSA key from certificate
X509Certificate2 cert = new X509Certificate2(certPrivateKeyData, certFilePwd);
RSACryptoServiceProvider rsaKey = (RSACryptoServiceProvider)cert.PrivateKey;
//Sign the XML
SignXml(licenseObject, rsaKey);
//Convert the signed XML into BASE64 string
return(Convert.ToBase64String(Encoding.UTF8.GetBytes(licenseObject.OuterXml)));
}
public void ShowLicenseInfo(LicenseEntity license, string additionalInfo)
{
try
{
StringBuilder _sb = new StringBuilder(512);
Type _typeLic = license.GetType();
PropertyInfo[] _props = _typeLic.GetProperties();
object _value = null;
string _formatedValue = string.Empty;
foreach (PropertyInfo _p in _props)
{
try
{
ShowInLicenseInfoAttribute _showAttr = (ShowInLicenseInfoAttribute)Attribute.GetCustomAttribute(_p, typeof(ShowInLicenseInfoAttribute));
if (_showAttr != null && _showAttr.ShowInLicenseInfo)
{
_value = _p.GetValue(license, null);
_sb.Append(_showAttr.DisplayAs);
_sb.Append(": ");
//Append value and apply the format
if (_value != null)
{
switch (_showAttr.DataFormatType)
{
case ShowInLicenseInfoAttribute.FormatType.String:
_formatedValue = _value.ToString();
break;
case ShowInLicenseInfoAttribute.FormatType.Date:
if (_p.PropertyType == typeof(DateTime) && !string.IsNullOrWhiteSpace(DateFormat))
{
_formatedValue = ((DateTime)_value).ToString(DateFormat);
}
else
{
_formatedValue = _value.ToString();
}
break;
case ShowInLicenseInfoAttribute.FormatType.DateTime:
if (_p.PropertyType == typeof(DateTime) && !string.IsNullOrWhiteSpace(DateTimeFormat))
{
_formatedValue = ((DateTime)_value).ToString(DateTimeFormat);
}
else
{
_formatedValue = _value.ToString();
}
break;
case ShowInLicenseInfoAttribute.FormatType.EnumDescription:
string _name = Enum.GetName(_p.PropertyType, _value);
if (_name != null)
{
FieldInfo _fi = _p.PropertyType.GetField(_name);
DescriptionAttribute _dna = (DescriptionAttribute)Attribute.GetCustomAttribute(_fi, typeof(DescriptionAttribute));
if (_dna != null)
_formatedValue = _dna.Description;
else
_formatedValue = _value.ToString();
}
else
{
_formatedValue = _value.ToString();
}
break;
}
_sb.Append(_formatedValue);
}
_sb.Append("\r\n");
}
}
catch
{
//Ignore exeption
}
}
if (string.IsNullOrWhiteSpace(additionalInfo))
{
_sb.Append(additionalInfo.Trim());
}
txtLicInfo.Text = _sb.ToString();
}
catch (Exception ex)
{
txtLicInfo.Text = ex.Message;
}
}
