/// <summary>
/// Create application configuration
/// </summary>
/// <param name="opcConfig"></param>
/// <param name="handler"></param>
/// <param name="createSelfSignedCertIfNone"></param>
/// <returns></returns>
public static ApplicationConfiguration ToApplicationConfiguration(
this IClientServicesConfig2 opcConfig, bool createSelfSignedCertIfNone,
CertificateValidationEventHandler handler)
{
if (string.IsNullOrWhiteSpace(opcConfig.ApplicationName))
{
throw new ArgumentNullException(nameof(opcConfig.ApplicationName));
}
var applicationConfiguration = new ApplicationConfiguration {
ApplicationName = opcConfig.ApplicationName,
ApplicationUri = opcConfig.ApplicationUri,
ProductUri = opcConfig.ProductUri,
ApplicationType = ApplicationType.Client,
TransportQuotas = opcConfig.ToTransportQuotas(),
SecurityConfiguration = opcConfig.ToSecurityConfiguration(),
ClientConfiguration = new ClientConfiguration(),
CertificateValidator = new CertificateValidator()
};
applicationConfiguration.CertificateValidator.CertificateValidation += handler;
X509Certificate2 certificate = null;
// use existing certificate, if it is there
certificate = applicationConfiguration.SecurityConfiguration.ApplicationCertificate.Find(true).Result;
// create a self signed certificate if there is none
if (certificate == null && createSelfSignedCertIfNone)
{
certificate = CertificateFactory.CreateCertificate(
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.StoreType,
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.StorePath,
null,
applicationConfiguration.ApplicationUri,
applicationConfiguration.ApplicationName,
applicationConfiguration.ApplicationName,
null,
CertificateFactory.defaultKeySize,
DateTime.UtcNow - TimeSpan.FromDays(1),
CertificateFactory.defaultLifeTime,
CertificateFactory.defaultHashSize
);
// update security information
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.Certificate =
certificate ??
throw new Exception(
"OPC UA application certificate can not be created! Cannot continue without it!");
//await applicationConfiguration.CertificateValidator.UpdateCertificate(
//applicationConfiguration.SecurityConfiguration).ConfigureAwait(false);
}
applicationConfiguration.ApplicationUri = Utils.GetApplicationUriFromCertificate(certificate);
return(applicationConfiguration);
}
/// <summary>
/// Create application configuration
/// </summary>
/// <param name="opcConfig"></param>
/// <param name="createSelfSignedCertIfNone"></param>
/// <returns></returns>
public static ApplicationConfiguration ToApplicationConfiguration(this IClientServicesConfig2 opcConfig, bool createSelfSignedCertIfNone)
{
if (string.IsNullOrWhiteSpace(opcConfig.ApplicationName))
{
throw new ArgumentNullException($"{nameof(opcConfig)}.{nameof(ClientServicesConfig2.ApplicationName)}");
}
var applicationConfiguration = new ApplicationConfiguration {
ApplicationName = opcConfig.ApplicationName,
ApplicationUri = opcConfig.ApplicationUri,
ProductUri = opcConfig.ProductUri,
ApplicationType = ApplicationType.Client,
TransportQuotas = opcConfig.ToTransportQuotas(),
SecurityConfiguration = opcConfig.ToSecurityConfiguration(),
ClientConfiguration = new ClientConfiguration(),
CertificateValidator = new CertificateValidator()
};
applicationConfiguration.CertificateValidator.CertificateValidation += (validator, e) => {
if (e.Error.StatusCode == StatusCodes.BadCertificateUntrusted)
{
e.Accept = opcConfig.AutoAcceptUntrustedCertificates;
if (e.Accept)
{
//Logger.Information($"Certificate '{e.Certificate.Subject}' will be trusted, because of corresponding command line option.");
}
}
};
X509Certificate2 certificate = null;
// use existing certificate, if it is there
certificate = applicationConfiguration.SecurityConfiguration.ApplicationCertificate.Find(true).Result;
// create a self signed certificate if there is none
if (certificate == null && createSelfSignedCertIfNone)
{
certificate = CertificateFactory.CreateCertificate(
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.StoreType,
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.StorePath,
null,
applicationConfiguration.ApplicationUri,
applicationConfiguration.ApplicationName,
applicationConfiguration.ApplicationName,
null,
CertificateFactory.defaultKeySize,
DateTime.UtcNow - TimeSpan.FromDays(1),
CertificateFactory.defaultLifeTime,
CertificateFactory.defaultHashSize
);
// update security information
applicationConfiguration.SecurityConfiguration.ApplicationCertificate.Certificate =
certificate ??
throw new Exception(
"OPC UA application certificate can not be created! Cannot continue without it!");
//await applicationConfiguration.CertificateValidator.UpdateCertificate(applicationConfiguration.SecurityConfiguration).ConfigureAwait(false);
}
applicationConfiguration.ApplicationUri = Utils.GetApplicationUriFromCertificate(certificate);
return(applicationConfiguration);
}