/// <summary>
/// The validate license.
/// </summary>
/// <param name="fullSlowCheck">The full slow check.</param>
/// <returns>
/// The <see cref="LicenseState" />.
/// </returns>
public LicenseState ValidateLicense(bool fullSlowCheck, bool withCheckConnection = true)
{
if (this._foundLicenseState != null)
{
return(this._foundLicenseState);
}
this._foundLicenseState = new LicenseState
{
Instance = this.Instance
};
if (this.LicenseInfo == null)
{
if (AppVersionHelper.IsNotRelease())
{
return(this._foundLicenseState);
}
this._foundLicenseState.AddProblem(LicenseProblemType.LicenseNotDefined, string.Empty);
}
else
{
this._foundLicenseState.AddProblems(this.LicenseInfo.IsLicenseInfoCorrect());
DateTime dateTime;
if (fullSlowCheck && withCheckConnection)
{
if (this._serverProperties != null)
{
dateTime = this._serverProperties.Date;
}
else
{
try
{
ServerProperties props = ServerProperties.Query(this);
dateTime = props.Date;
this._serverProperties = props;
}
catch (Exception exc)
{
log.Error("Exception:", exc);
log.ErrorFormat(
"Instance:'{0}';Authentication:'{1}';Exception:'{2}'",
Instance,
Authentication,
exc
);
dateTime = DateTime.MaxValue;
}
}
}
else
{
dateTime = DateTime.Now;
}
var buildDateObject =
Assembly.GetExecutingAssembly()
.GetCustomAttributes(typeof(BuildDateAttribute), false)
.FirstOrDefault();
DateTime buildDate = DateTime.MaxValue;
if (buildDateObject is BuildDateAttribute)
{
buildDate = (buildDateObject as BuildDateAttribute).BuildDate;
}
if (dateTime == DateTime.MaxValue)
{
this._foundLicenseState.AddProblem(LicenseProblemType.CantConnect, string.Empty);
}
else if (this._foundLicenseState.IsCorrect && fullSlowCheck && (dateTime > this.LicenseInfo.ExpiryDate))
{
this._foundLicenseState.AddProblem(LicenseProblemType.Expired, string.Empty);
}
else if (buildDate > this.LicenseInfo.BuildExpiryDate)
{
this._foundLicenseState.AddProblem(LicenseProblemType.BuildExpiryDateNotValid, string.Empty);
}
else
{
if (AppVersionHelper.IsNotDebug())
{
string hash = this.GetHash();
CryptoProcessor cryptoProcessor =
new CryptoProcessor(
Program.Model.Settings.SystemSettings.PublicKeyXmlSign,
Program.Model.Settings.SystemSettings.PrivateKeyXmlDecrypt
);
if (!cryptoProcessor.Verify(hash, this.LicenseInfo.Signature))
{
this._foundLicenseState.AddProblem(LicenseProblemType.WrongSignature, string.Empty);
}
}
}
}
var result = this._foundLicenseState;
if (!fullSlowCheck)
{
this._foundLicenseState = null;
}
return(result);
}
