public static void GenerateLicFile(string licFile)
{
DateTime currentDateTime = DateTime.Now;
CultureInfo englishCulture = CultureInfo.GetCultureInfo("en-US");
string currentDateTimeInEnUSFormat = currentDateTime.Month + "/" + currentDateTime.Day + "/" + currentDateTime.Year + ' ' + currentDateTime.Hour + ":" + currentDateTime.Minute + ":" + currentDateTime.Second;
using (Stream stream = File.Open(licFile, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
BinaryFormatter bformatter = new BinaryFormatter();
LicenceManager licenceManager = new LicenceManager();
licenceManager.LicenceID = "";
licenceManager.LastAccessDate = currentDateTimeInEnUSFormat;
licenceManager.InstallationDate = currentDateTimeInEnUSFormat;
licenceManager.RegistrationDate = "";
licenceManager.ClientCode = "";
licenceManager.SerialKey = "";
licenceManager.ActivationKey = "";
licenceManager.Notes = "";
licenceManager.TrialDays = 30;
licenceManager.TrialLicences = 25;
licenceManager.RegisteredLicences = 0;
licenceManager.HostSignature = "SXZ4-737A-27LZ-Z993";
stream.Position = 0;
bformatter.Serialize(stream, licenceManager);
stream.Close();
stream.Dispose();
}
}
public static bool isValidDataBase(string licenceFilePath, string currentCulture)
{
bool returnValue = false;
try
{
if (File.Exists(licenceFilePath))
{
using (Stream stream = File.Open(licenceFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
BinaryFormatter bformatter = new BinaryFormatter();
LicenceManager licenceManager = (LicenceManager)bformatter.Deserialize(stream);
DateTime currentDateTime = DateTime.Now;
CultureInfo englishCulture = CultureInfo.GetCultureInfo("en-US");
string currentDateTimeInEnUSFormat = currentDateTime.Month + "/" + currentDateTime.Day + "/" + currentDateTime.Year + ' ' + currentDateTime.Hour + ":" + currentDateTime.Minute + ":" + currentDateTime.Second;
if (!string.IsNullOrEmpty(licenceManager.InstallationDate))
{
DateTime lastinstalltring = DateTime.Parse(licenceManager.InstallationDate, CultureInfo.InvariantCulture);
int day = lastinstalltring.Day;
int month = lastinstalltring.Month;
int year = lastinstalltring.Year;
string command1 = AppLibrary.Protector.EncodeString((10000 - year) + "#" + (100 - day) + "#" + (50 - month));
string valuefromDatabase = DataManager.Provider.Settings.GetInstalledLicDetails();
if (valuefromDatabase == command1)
{
returnValue = true;
}
}
stream.Position = 0;
bformatter.Serialize(stream, licenceManager);
stream.Close();
stream.Dispose();
}
}
}
catch { }
return(returnValue);
}
public static bool IsValidLicence(string licenceFilePath, string systemSignature, string currentCulture, out int errorCode, out int trialLicences, out int registeredLicences, out int trialDays, out double elapsedDays, out string message)
{
bool isValidLicence = false;
trialLicences = 0;
registeredLicences = 0;
trialDays = 0;
elapsedDays = 0;
errorCode = 0;
message = string.Empty;
CultureInfo englishCulture = CultureInfo.GetCultureInfo("en-US");
try
{
if (File.Exists(licenceFilePath))
{
using (Stream stream = File.Open(licenceFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
BinaryFormatter bformatter = new BinaryFormatter();
LicenceManager licenceManager = (LicenceManager)bformatter.Deserialize(stream);
string requestCode = GetRequestCode(licenceManager.LicenceID);
trialDays = licenceManager.TrialDays;
registeredLicences = licenceManager.RegisteredLicences;
trialLicences = licenceManager.TrialLicences;
string lastInstallDate = licenceManager.InstallationDate;
DateTime lastinstalltring = DateTime.Parse(lastInstallDate, CultureInfo.InvariantCulture);
DateTime firstLaunchDateTime = Convert.ToDateTime(lastinstalltring, CultureInfo.InvariantCulture);
string lastAccessDate1 = licenceManager.LastAccessDate;
DateTime lastacsessstring1 = DateTime.Parse(lastAccessDate1, CultureInfo.InvariantCulture);
DateTime lastAccessDateTime = Convert.ToDateTime(lastacsessstring1, CultureInfo.InvariantCulture);
DateTime firstLaunchDate = Convert.ToDateTime(firstLaunchDateTime, CultureInfo.GetCultureInfo(currentCulture));
DateTime lastAccessDate = Convert.ToDateTime(lastAccessDateTime, CultureInfo.GetCultureInfo(currentCulture));
TimeSpan timeSpan = lastAccessDate.Subtract(firstLaunchDate);
elapsedDays = timeSpan.TotalDays;
if (string.IsNullOrEmpty(licenceManager.ActivationKey))
{
if (timeSpan.Days >= licenceManager.TrialDays)
{
errorCode = 401; // Trial period Expired
}
}
if (licenceManager.HostSignature.IndexOf(systemSignature) >= 0)
{
isValidLicence = true;
}
else
{
errorCode = 1001; // System Signature does not match
string[] serverIDs = licenceManager.HostSignature.Split(",".ToCharArray());
if (licenceManager.RegisteredLicences == 0) //in Trial Mode
{
if (serverIDs.Length == 1)
{
errorCode = 0;
licenceManager.HostSignature += "," + systemSignature;
isValidLicence = true;
}
else
{
isValidLicence = false; // System Signature does not match
}
}
else //in registered mode
{
errorCode = 2001; // license register for system signature does not match.
isValidLicence = false;
}
}
stream.Position = 0;
bformatter.Serialize(stream, licenceManager);
stream.Close();
stream.Dispose();
}
}
else
{
errorCode = 502; // Licence File does not exists
}
}
catch (Exception ex)
{
isValidLicence = false;
message = ex.Message;
errorCode = 500; // Failed to process Licence file
}
return(isValidLicence);
}
public static string UpdateLastAccessDateTime(string licenceFilePath, string currentCulture, string systemSignature)
{
string returnValue = null;
try
{
if (File.Exists(licenceFilePath))
{
using (Stream stream = File.Open(licenceFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
BinaryFormatter bformatter = new BinaryFormatter();
LicenceManager licenceManager = (LicenceManager)bformatter.Deserialize(stream);
DateTime currentDateTime = DateTime.Now;
CultureInfo englishCulture = CultureInfo.GetCultureInfo("en-US");
string currentDateTimeInEnUSFormat = currentDateTime.Month + "/" + currentDateTime.Day + "/" + currentDateTime.Year + ' ' + currentDateTime.Hour + ":" + currentDateTime.Minute + ":" + currentDateTime.Second;
//string currentDateTimeInEnUSFormat = currentDateTime.ToLongDateString() + " - " + currentDateTime.ToLongTimeString();
if (string.IsNullOrEmpty(licenceManager.HostSignature))
{
licenceManager.InstallationDate = currentDateTimeInEnUSFormat;
licenceManager.LastAccessDate = currentDateTimeInEnUSFormat;
licenceManager.TrialDays = licenceManager.TrialDays;
licenceManager.TrialLicences = licenceManager.TrialLicences;
licenceManager.ActivationKey = null;
licenceManager.SerialKey = null;
licenceManager.RegistrationDate = null;
licenceManager.LicenceID = GetRequestCode("");
licenceManager.Notes = "Application First launched on " + currentDateTimeInEnUSFormat + "<br />";
licenceManager.RegisteredLicences = 0;
licenceManager.HostSignature = systemSignature;
returnValue = licenceManager.LicenceID;
// UpdateDataBase(currentDateTime.Day, currentDateTime.Month, currentDateTime.Year);
}
//else if (!string.IsNullOrEmpty(licenceManager.HostSignature) &&string.IsNullOrEmpty(licenceManager.InstallationDate))
//{
// licenceManager.InstallationDate = currentDateTimeInEnUSFormat;
// licenceManager.LastAccessDate = currentDateTimeInEnUSFormat;
// licenceManager.TrialDays = licenceManager.TrialDays;
// licenceManager.TrialLicences = licenceManager.TrialLicences;
// licenceManager.ActivationKey = null;
// licenceManager.SerialKey = null;
// licenceManager.RegistrationDate = null;
// licenceManager.LicenceID = GetRequestCode("");
// licenceManager.Notes = "Application First launched on " + currentDateTimeInEnUSFormat + "<br />";
// licenceManager.RegisteredLicences = 0;
// returnValue = licenceManager.HostSignature;
//}
else if (!string.IsNullOrEmpty(licenceManager.LastAccessDate))
{
licenceManager.TrialDays = 615;
string lastAccessDate = licenceManager.LastAccessDate;
returnValue = licenceManager.LicenceID;
DateTime lastacsessstring = DateTime.Parse(lastAccessDate, CultureInfo.InvariantCulture);
DateTime lastAccessDateTime = Convert.ToDateTime(lastacsessstring, CultureInfo.InvariantCulture);
DateTime dtLastAceess = Convert.ToDateTime(lastAccessDateTime, CultureInfo.GetCultureInfo(currentCulture));
TimeSpan ts = DateTime.Now.Subtract(dtLastAceess);
if (ts.TotalDays > 0)
{
licenceManager.LastAccessDate = currentDateTimeInEnUSFormat;
}
DateTime installDate = DateTime.Parse(licenceManager.LastAccessDate, CultureInfo.InvariantCulture);
// UpdateDataBase(installDate.Day, installDate.Month, installDate.Year);
}
stream.Position = 0;
bformatter.Serialize(stream, licenceManager);
stream.Close();
stream.Dispose();
}
}
}
catch (Exception)
{
returnValue = null;
}
return(returnValue);
}
