public static string SaveLicence(LicenceModel lm)
{
string text = "Licence.Licence";
text = LicenceConfig.CreateAssemblyLocationFile(text);
try
{
FileStream fileStream = new FileStream(text, FileMode.Open, FileAccess.Write, FileShare.None);
StreamWriter streamWriter = new StreamWriter(fileStream);
streamWriter.WriteLine(DES.Instance(LicenceConfig.DesPwd).EncryptString(lm.CustomerName));
streamWriter.WriteLine(DES.Instance(LicenceConfig.DesPwd).EncryptString(lm.CustomerCode));
streamWriter.WriteLine(lm.MachineCode);
streamWriter.WriteLine(DES.Instance(LicenceConfig.DesPwd).EncryptString(lm.RegisteDate));
streamWriter.WriteLine(DES.Instance(LicenceConfig.DesPwd).EncryptString(lm.UseDays.ToString()));
streamWriter.WriteLine(DES.Instance(LicenceConfig.DesPwd).EncryptString(lm.ConnectCount.ToString()));
streamWriter.WriteLine(lm.LinceCode);
streamWriter.Close();
streamWriter.Dispose();
fileStream.Close();
fileStream.Dispose();
}
catch
{
}
return(text);
}
public static string GetRunLicenceCode(LicenceModel lm, ref string FilePath)
{
FilePath = string.Empty;
LicenceServer.SetIntCode();
string text = string.Concat(new object[]
{
lm.CustomerCode,
lm.RegisteDate,
lm.UseDays.ToString(),
lm.ConnectCount,
lm.MachineCode
});
int length = text.Length;
LicenceServer.intNumber = new int[length];
LicenceServer.Charcode = new char[length];
for (int i = 1; i < LicenceServer.Charcode.Length; i++)
{
LicenceServer.Charcode[i] = Convert.ToChar(text.Substring(i - 1, 1));
}
for (int j = 1; j < LicenceServer.intNumber.Length; j++)
{
LicenceServer.intNumber[j] = LicenceServer.intCode[Convert.ToInt32(LicenceServer.Charcode[j])] + Convert.ToInt32(LicenceServer.Charcode[j]);
}
string text2 = "";
for (int j = 1; j < LicenceServer.intNumber.Length; j++)
{
if (LicenceServer.intNumber[j] >= 48 && LicenceServer.intNumber[j] <= 57)
{
text2 += Convert.ToChar(LicenceServer.intNumber[j]).ToString();
}
else if (LicenceServer.intNumber[j] >= 65 && LicenceServer.intNumber[j] <= 90)
{
text2 += Convert.ToChar(LicenceServer.intNumber[j]).ToString();
}
else if (LicenceServer.intNumber[j] >= 97 && LicenceServer.intNumber[j] <= 122)
{
text2 += Convert.ToChar(LicenceServer.intNumber[j]).ToString();
}
else if (LicenceServer.intNumber[j] > 122)
{
text2 += Convert.ToChar(LicenceServer.intNumber[j] - 10).ToString();
}
else
{
text2 += Convert.ToChar(LicenceServer.intNumber[j] - 9).ToString();
}
}
lm.LinceCode = text2;
FilePath = LicenceConfig.SaveLicence(lm);
LicenceServer.Licence = lm;
return(lm.LinceCode);
}
public static LicenceModel ReadLicence(string FilePath, string RegesiterMachineCode, ref string ErrorMessage)
{
LicenceModel licenceModel = new LicenceModel();
ErrorMessage = string.Empty;
LicenceModel result;
if (!File.Exists(FilePath))
{
ErrorMessage = "未找到许可文件！";
result = licenceModel;
}
else
{
FileStream fileStream = new FileStream(FilePath, FileMode.Open, FileAccess.Read, FileShare.None);
StreamReader streamReader = new StreamReader(fileStream);
string text = streamReader.ReadLine();
string text2 = streamReader.ReadLine();
string machineCode = streamReader.ReadLine();
string text3 = streamReader.ReadLine();
string text4 = streamReader.ReadLine();
string text5 = streamReader.ReadLine();
string text6 = streamReader.ReadLine();
streamReader.Close();
streamReader.Dispose();
fileStream.Close();
fileStream.Dispose();
text = DES.Instance(LicenceConfig.DesPwd).DecryptString(text);
text2 = DES.Instance(LicenceConfig.DesPwd).DecryptString(text2);
text3 = DES.Instance(LicenceConfig.DesPwd).DecryptString(text3);
text4 = DES.Instance(LicenceConfig.DesPwd).DecryptString(text4);
text5 = DES.Instance(LicenceConfig.DesPwd).DecryptString(text5);
licenceModel.CustomerName = text;
licenceModel.CustomerCode = text2;
licenceModel.MachineCode = machineCode;
licenceModel.RegisteDate = text3;
licenceModel.UseDays = ((text4 == string.Empty) ? "0" : text4);
licenceModel.ConnectCount = ((text5 == string.Empty) ? 0 : int.Parse(text5));
licenceModel.LinceCode = text6;
if (!string.IsNullOrEmpty(RegesiterMachineCode))
{
if (RegesiterMachineCode != licenceModel.MachineCode)
{
ErrorMessage = "机器码识别失败，许可不可用，如需继续使用，请和我们取得联系！";
}
}
else if (LicenceServer.GetMachineCode(true) != licenceModel.MachineCode)
{
ErrorMessage = "机器码识别失败，许可不可用，如需继续使用，请和我们取得联系！";
}
if (LicenceServer.GetRunLicenceCode(licenceModel) == text6)
{
DateTime t = DateTime.Parse(text3);
DateTime t2 = t.AddDays((double)int.Parse(licenceModel.UseDays.ToString()));
if (t2 < DateTime.Now)
{
ErrorMessage = "许可已过期";
LicenceConfig.PauseLicence(FilePath, licenceModel);
}
if (t > DateTime.Now)
{
ErrorMessage = "注册时间被篡改，许可不可用，如需继续使用，请和我们取得联系！";
}
}
else
{
ErrorMessage = "许可文件被篡改，许可不可用，如需继续使用，请和我们取得联系！";
}
result = licenceModel;
}
return(result);
}
