/// <summary>
/// Checks if a feature license is valid
/// </summary>
/// <param name="licensePath">Full path to license file</param>
/// <param name="featureName">Name of feature to check</param>
/// <param name="passCode">Passcode - A token between the client and the server</param>
/// <param name="bThrow">Throw exception in case of failure</param>
/// <returns></returns>
public bool IsValid(string licensePath, string featureName, string passCode, bool bThrow)
{
string licenseSignature;
LicenseInfo licenseInformation = GetLicenseFromFile(licensePath, passCode, out licenseSignature);
licenseInformation.computerID = MMDBLicenser.GetComputerId();
string signature = CreateSignature(licenseInformation);
if (signature != licenseSignature)
{
if (bThrow)
{
throw (new LicenseException("License information does not match it's signature"));
}
return(false);
}
if (licenseInformation.kind == LicenseType.NodeLocked)
{
if (licenseInformation.computerID != GetComputerId())
{
if (bThrow)
{
throw (new LicenseException("License is customed to a different computer"));
}
return(false);
}
}
foreach (FeatureInfo feature in licenseInformation.features)
{
if (feature.featureName == featureName)
{
if (feature.timeDepend)
{
if (DateTime.Now > feature.expiration)
{
if (bThrow)
{
throw (new LicenseException("Feature has been expired"));
}
return(false);
}
}
return(true);
}
}
if (bThrow)
{
throw (new LicenseException("Feature not found"));
}
return(false);
}
public bool IsValid()
{
bool returnvalue = false;
MMDBLicenser l = new MMDBLicenser();
try
{
string LicensePath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase) + @"\" +
ConfigurationSettings.AppSettings["LicenseFile"].ToString();
returnvalue = l.IsValid(LicensePath, FeatureName, Passcode, false);
}
catch (Exception err)
{
MMDBLogFile.Log(err.Message);
}
return returnvalue;
}
public bool IsValid()
{
bool returnvalue = false;
MMDBLicenser l = new MMDBLicenser();
try
{
string LicensePath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase) + @"\" +
ConfigurationSettings.AppSettings["LicenseFile"].ToString();
returnvalue = l.IsValid(LicensePath, FeatureName, Passcode, false);
}
catch (Exception err)
{
MMDBLogFile.Log(err.Message);
}
return(returnvalue);
}