public TokenEntry(LicenseToken token, string tokenStr, int position, int length)
{
Token = token;
Text = tokenStr;
Position = position;
Length = length;
}
private void AddToken(LicenseToken Token, string TokenStr = "", int Position = -1, int EndPosition = -1)
{
if (EndPosition >= 0)
{
Tokens.Add(new TokenEntry(Token, TokenStr, Position, EndPosition - Position));
}
else
{
Tokens.Add(new TokenEntry(Token, TokenStr, Position));
}
}
protected override void ProcessRecord()
{
var communicationKey = Convert.FromBase64String(CommunicationKeyAsBase64);
if (communicationKey.Length != 32)
{
throw new NotSupportedException("Communication key must be 256 bits long.");
}
var envelope = new Hashtable
{
{ "version", 1 },
{ "com_key_id", CommunicationKeyId.ToString() },
{ "message", LicenseToken }
};
// Copy the expiration from the "message" structure if they are defined.
if (LicenseToken.ContainsKey("begin_date"))
{
envelope["begin_date"] = LicenseToken["begin_date"];
}
if (LicenseToken.ContainsKey("expiration_date"))
{
envelope["expiration_date"] = LicenseToken["expiration_date"];
}
// Now we have the outer structure ready. Convert to JSON and then sign.
var json = JsonConvert.SerializeObject(envelope);
WriteVerbose(json);
// The output is the signed JOSE object, short-form serialized.
var joseObject = JWT.Encode(json, communicationKey, JwsAlgorithm.HS256);
WriteObject(joseObject);
}
public LicenseToken Get()
{
string[] encryptedText;
LicenseToken token = new LicenseToken {
Id = Guid.NewGuid(), Message = "MAC Address错误，请更新授权文件！", Result = false, Timestamp = DateTime.Now
};
try
{
encryptedText = File.ReadAllLines(@"C:\license.dat");
if (encryptedText == null || encryptedText.Length < 1)
{
token.Result = false;
token.Message = "授权文件为空，请更新授权文件！";
return(token);
}
}
catch (Exception e)
{
token.Result = false;
token.Message = "找不到授权文件，请更新授权文件！";
return(token);
}
Crypto cryptoHelper = new Crypto();
byte[] encryptedBytes;
byte[] passwordBytes;
byte[] decryptedBytes;
string decryptedText;
try {
encryptedBytes = Convert.FromBase64String(encryptedText[0]);
} catch (Exception e)
{
token.Result = false;
token.Message = "授权文件内容不对，请更新授权文件！";
return(token);
}
passwordBytes = Encoding.UTF8.GetBytes("Lorentz@QWESTRO");
passwordBytes = SHA256.Create().ComputeHash(passwordBytes);
decryptedBytes = cryptoHelper.AES_Decrypt(encryptedBytes, passwordBytes);
decryptedText = Encoding.UTF8.GetString(decryptedBytes);
if (decryptedText.Length != 21)
{
token.Result = false;
token.Message = "授权文件内容不对，请更新授权文件！";
return(token);
}
string macAddress = "";
string expiryDateStr = "";
try
{
macAddress = decryptedText.Substring(0, 12);
expiryDateStr = decryptedText.Substring(13);
}
catch (Exception e)
{
token.Result = false;
token.Message = "授权文件格式不对，请更新授权文件！";
return(token);
}
DateTime localDate = DateTime.Now;
DateTime expiryDate;
try {
expiryDate = DateTime.ParseExact(expiryDateStr, "ddMMyyyy", null);
} catch
{
token.Result = false;
token.Message = "日期格式不对，请更新授权文件！";
return(token);
}
IPGlobalProperties computerProperties = IPGlobalProperties.GetIPGlobalProperties();
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
if (nics == null || nics.Length < 1)
{
token.Result = false;
token.Message = "没有网卡，必须安装网卡运行！";
return(token);
}
foreach (NetworkInterface adapter in nics)
{
if (!String.Equals(adapter.NetworkInterfaceType.ToString(), "ethernet", StringComparison.OrdinalIgnoreCase))
{
continue;
}
PhysicalAddress address = adapter.GetPhysicalAddress();
if (String.Equals(address.ToString(), macAddress, StringComparison.OrdinalIgnoreCase))
{
if (DateTime.Compare(localDate, expiryDate) <= 0)
{
token.Result = true;
token.Message = macAddress;
}
else
{
token.Result = false;
token.Message = "授权文件已经过期（" + expiryDate.ToString() + "），请更新授权文件！";
}
}
}
return(token);
}
