/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected override async void OnLaunched(LaunchActivatedEventArgs e)
{
ApplicationInstance.MessageDlg = new ApplicationMessageDlg();
ApplicationInstance application = new ApplicationInstance();
application.ApplicationName = "UA Sample Client";
application.ApplicationType = ApplicationType.ClientAndServer;
application.ConfigSectionName = "Opc.Ua.SampleClient";
// set empty page for MessageDlg
Window.Current.Content = new ClientPage();
// Ensure the current window is active
Window.Current.Activate();
try
{
// load the application configuration.
await application.LoadApplicationConfiguration(false);
// allow UA servers to use the same certificate for HTTPS validation.
ApplicationInstance.SetUaValidationForHttps(application.ApplicationConfiguration.CertificateValidator);
// run the application interactively.
Window.Current.Content = new ClientPage(application.ApplicationConfiguration.CreateMessageContext(), application, null, application.ApplicationConfiguration);
// Ensure the current window is active
Window.Current.Activate();
}
catch (ServiceResultException ex)
{
Utils.Trace("ServiceResultException:" + ex.Message);
MessageDlg dialog = new MessageDlg("Client not started. Exit.\r\n" + ex.Message);
await dialog.ShowAsync();
Application.Current.Exit();
return;
}
try
{
// check the application certificate.
await application.CheckApplicationInstanceCertificate(false, 0);
// start the server.
await application.Start(new SampleServer());
}
catch (ServiceResultException ex)
{
Utils.Trace("ServiceResultException:" + ex.Message);
MessageDlg dialog = new MessageDlg("Client ok but Server has not started.\r\n" + ex.Message);
await dialog.ShowAsync();
}
}
/// <summary>
/// Asks for confirmation before expanding a long list.
/// </summary>
private async Task <bool> PromptOnLongList(int length)
{
if (length < 256)
{
return(true);
}
MessageDlg dialog = new MessageDlg("It may take a long time to display the list are you sure you want to continue?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return(true);
}
return(false);
}
/// <summary>
/// Does any configuration checks before starting up.
/// </summary>
public static async Task <ApplicationConfiguration> LoadConfiguration(
string configSectionName,
ApplicationType applicationType,
string defaultConfigFile,
bool interactive)
{
// get the location of the config file.
string filePath = ApplicationConfiguration.GetFilePathFromAppConfig(configSectionName);
if (filePath == null || !System.IO.File.Exists(filePath))
{
filePath = Utils.GetAbsoluteFilePath(defaultConfigFile, false, false, false);
}
try
{
// load the configuration file.
ApplicationConfiguration configuration = await ApplicationConfiguration.Load(new System.IO.FileInfo(filePath), applicationType, null);
if (configuration == null)
{
return(null);
}
return(configuration);
}
catch (Exception e)
{
// warn user.
if (interactive)
{
StringBuilder message = new StringBuilder();
message.Append("Could not load configuration file.\r\n");
message.Append(filePath);
message.Append("\r\n");
message.Append("\r\n");
message.Append(e.Message);
MessageDlg dialog = new MessageDlg(message.ToString());
await dialog.ShowAsync();
Utils.Trace(e, "Could not load configuration file. {0}", filePath);
}
return(null);
}
}
/// <summary>
/// Handles a certificate validation error.
/// </summary>
/// <param name="caller">The caller's text is used as the caption of the <see cref="MessageBox"/> shown to provide details about the error.</param>
/// <param name="validator">The validator (not used).</param>
/// <param name="e">The <see cref="Opc.Ua.CertificateValidationEventArgs"/> instance event arguments provided when a certificate validation error occurs.</param>
public static async Task HandleCertificateValidationError(Page caller, CertificateValidator validator, CertificateValidationEventArgs e)
{
StringBuilder buffer = new StringBuilder();
buffer.AppendFormat("Certificate could not validated: {0}\r\n\r\n", e.Error.StatusCode);
buffer.AppendFormat("Subject: {0}\r\n", e.Certificate.Subject);
buffer.AppendFormat("Issuer: {0}\r\n", (e.Certificate.Subject == e.Certificate.Issuer) ? "Self-signed" : e.Certificate.Issuer);
buffer.AppendFormat("Thumbprint: {0}\r\n\r\n", e.Certificate.Thumbprint);
buffer.AppendFormat("Accept anyways?");
MessageDlg dialog = new MessageDlg(buffer.ToString(), MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result == MessageDlgButton.Yes)
{
e.Accept = true;
}
}
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected override async void OnLaunched(LaunchActivatedEventArgs e)
{
ApplicationInstance.MessageDlg = new ApplicationMessageDlg();
ApplicationInstance application = new ApplicationInstance();
application.ApplicationName = "UA Sample Client";
application.ApplicationType = ApplicationType.ClientAndServer;
application.ConfigSectionName = "Opc.Ua.SampleClient";
// helper to let Opc.Ua Utils find the localFolder in the environment
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
Utils.DefaultLocalFolder = localFolder.Path;
// set empty page for MessageDlg
Window.Current.Content = new ClientPage();
// Ensure the current window is active
Window.Current.Activate();
// Allow the current window to activate since the stack initialization below can take some time
// and the app can be terminated by the runtime if this takes too long
await Task.Delay(1);
try
{
// load the application configuration.
await application.LoadApplicationConfiguration(false);
// check the application certificate.
await application.CheckApplicationInstanceCertificate(false, 0);
// run the application interactively.
Window.Current.Content = new ClientPage(application.ApplicationConfiguration.CreateMessageContext(), application, null, application.ApplicationConfiguration);
// start the server.
await application.Start(new SampleServer());
}
catch (Exception ex)
{
Utils.Trace("Exception:" + ex.Message);
MessageDlg dialog = new MessageDlg(ex.Message);
await dialog.ShowAsync();
Application.Current.Exit();
}
}
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected override async void OnLaunched(LaunchActivatedEventArgs args)
{
ApplicationInstance.MessageDlg = new ApplicationMessageDlg();
ApplicationInstance application = new ApplicationInstance();
application.ApplicationName = "UA Sample Server";
application.ApplicationType = ApplicationType.Server;
application.ConfigSectionName = "Opc.Ua.SampleServer";
// set empty page for MessageDlg
Window.Current.Content = new ServerPage();
// Ensure the current window is active
Window.Current.Activate();
try
{
// load the application configuration.
await application.LoadApplicationConfiguration(false);
// This call registers the certificate with HTTP.SYS
// It must be called once after installation if the HTTPS endpoint is enabled.
// HttpAccessRule.SetHttpsCertificate(c.SecurityConfiguration.ApplicationCertificate.Find(true), 51212, false);
// check the application certificate.
await application.CheckApplicationInstanceCertificate(false, 0);
// start the server.
await application.Start(new Opc.Ua.Sample.SampleServer());
// run the application interactively.
Window.Current.Content = new ServerPage(application);
// Ensure the current window is active
Window.Current.Activate();
}
catch (ServiceResultException ex)
{
Utils.Trace("ServiceResultException:" + ex.Message);
MessageDlg dialog = new MessageDlg("Server not started. Exit.\r\n"+ex.Message);
await dialog.ShowAsync();
Application.Current.Exit();
}
}
/// <summary>
/// Handles a certificate validation error.
/// </summary>
/// <param name="caller">The caller's text is used as the caption of the <see cref="MessageBox"/> shown to provide details about the error.</param>
/// <param name="validator">The validator (not used).</param>
/// <param name="e">The <see cref="Opc.Ua.CertificateValidationEventArgs"/> instance event arguments provided when a certificate validation error occurs.</param>
public static async Task HandleCertificateValidationError(Page caller, CertificateValidator validator, CertificateValidationEventArgs e)
{
StringBuilder buffer = new StringBuilder();
buffer.AppendFormat("Certificate could not be validated: {0}\r\n\r\n", e.Error.StatusCode);
buffer.AppendFormat("Subject: {0}\r\n", e.Certificate.Subject);
buffer.AppendFormat("Issuer: {0}\r\n", (e.Certificate.Subject == e.Certificate.Issuer) ? "Self-signed" : e.Certificate.Issuer);
buffer.AppendFormat("Thumbprint: {0}\r\n\r\n", e.Certificate.Thumbprint);
buffer.AppendFormat("The security certificate was not issued by a trusted certificate authority.\r\n");
buffer.AppendFormat("Security certificate problems may indicate an attempt to intercept any data you send\r\n");
buffer.AppendFormat("to a server or to allow an untrusted client to connect to your server.\r\n");
buffer.AppendFormat("\r\nAccept anyway?");
MessageDlg dialog = new MessageDlg(buffer.ToString(), MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result == MessageDlgButton.Yes)
{
e.Accept = true;
}
}
private async void EndpointCB_KeyDown(object sender, KeyRoutedEventArgs e)
{
try
{
if (e.Key == VirtualKey.Delete)
{
// ignore "New"
if (m_selectedIndex == 0)
{
return;
}
ConfiguredEndpoint endpoint = SelectedEndpoint;
MessageDlg dialog = new MessageDlg(
"Delete Endpoint?\r\n" + endpoint.EndpointUrl,
MessageDlgButton.Yes, MessageDlgButton.No);
if (await dialog.ShowAsync() == MessageDlgButton.Yes)
{
int oldIndex = m_selectedIndex;
m_endpoints.Remove(endpoint);
EndpointCB.Items.Remove(endpoint);
if (oldIndex > 0)
{
EndpointCB.SelectedIndex = m_selectedIndex = oldIndex - 1;
}
// raise notification.
if (m_EndpointsChanged != null)
{
m_EndpointsChanged(this, null);
}
}
}
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
}
/// <summary>
/// Does any configuration checks before starting up.
/// </summary>
public static async Task<ApplicationConfiguration> LoadConfiguration(
string configSectionName,
ApplicationType applicationType,
string defaultConfigFile,
bool interactive)
{
// get the location of the config file.
string filePath = ApplicationConfiguration.GetFilePathFromAppConfig(configSectionName);
if (filePath == null || !System.IO.File.Exists(filePath))
{
filePath = Utils.GetAbsoluteFilePath(defaultConfigFile, false, false, false);
}
try
{
// load the configuration file.
ApplicationConfiguration configuration = await ApplicationConfiguration.Load(new System.IO.FileInfo(filePath), applicationType, null);
if (configuration == null)
{
return null;
}
return configuration;
}
catch (Exception e)
{
// warn user.
if (interactive)
{
StringBuilder message = new StringBuilder();
message.Append("Could not load configuration file.\r\n");
message.Append(filePath);
message.Append("\r\n");
message.Append("\r\n");
message.Append(e.Message);
MessageDlg dialog = new MessageDlg(message.ToString());
await dialog.ShowAsync();
Utils.Trace(e, "Could not load configuration file. {0}", filePath);
}
return null;
}
}
private async void OkBTN_Click(object sender, RoutedEventArgs e)
{
try
{
// check that discover has completed.
if (!m_discoverySucceeded)
{
MessageDlg dialog = new MessageDlg("Endpoint information may be out of date because the discovery process has not completed. Continue anyway?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return;
}
}
EndpointConfiguration configuration = m_endpointConfiguration;
if (configuration == null)
{
configuration = EndpointConfiguration.Create(m_configuration);
}
if (m_currentDescription == null)
{
m_currentDescription = CreateDescriptionFromSelections();
}
// the discovery endpoint should always be on the same machine as the server.
// if there is a mismatch it is likely because the server has multiple addresses
// and was not configured to return the current address to the client.
// The code automatically updates the domain in the url.
Uri endpointUrl = Utils.ParseUri(m_currentDescription.EndpointUrl);
if (m_discoverySucceeded)
{
if (!Utils.AreDomainsEqual(endpointUrl, m_discoveryUrl))
{
UriBuilder url = new UriBuilder(endpointUrl);
url.Host = m_discoveryUrl.DnsSafeHost;
if (url.Scheme == m_discoveryUrl.Scheme)
{
url.Port = m_discoveryUrl.Port;
}
endpointUrl = url.Uri;
m_currentDescription.EndpointUrl = endpointUrl.ToString();
}
}
// set the encoding.
Encoding encoding = (Encoding)EncodingCB.SelectedItem;
configuration.UseBinaryEncoding = encoding != Encoding.Xml;
if (m_endpoint == null)
{
m_endpoint = new ConfiguredEndpoint(null, m_currentDescription, configuration);
}
else
{
m_endpoint.Update(m_currentDescription);
m_endpoint.Update(configuration);
}
// set the user token policy.
m_endpoint.SelectedUserTokenPolicyIndex = FindBestUserTokenPolicy(m_currentDescription);
// update the user identity.
UserTokenItem userTokenItem = (UserTokenItem)UserTokenTypeCB.SelectedItem;
UserIdentityToken userIdentity = null;
if (!m_userIdentities.TryGetValue(userTokenItem.ToString(), out userIdentity))
{
userIdentity = null;
}
m_endpoint.UserIdentity = userIdentity;
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
dialogPopup.IsOpen = false;
}
async void ExceptionMessageDlg(string message)
{
await Dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
async () =>
{
MessageDlg dialog = new MessageDlg(message);
await dialog.ShowAsync();
});
}
/// <summary>
/// Provides a user defined method.
/// </summary>
protected virtual async void DoTest(Session session)
{
MessageDlg dialog = new MessageDlg("A handy place to put test code.");
await dialog.ShowAsync();
}
async void Window_PageClosing(object sender, RoutedEventArgs e)
{
if (m_masterPage == null && m_pages.Count > 0)
{
MessageDlg dialog = new MessageDlg("Close all sessions?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return;
}
}
BrowseCTRL.Clear();
for (int ii = 0; ii < m_pages.Count; ii++)
{
if (Object.ReferenceEquals(m_pages[ii], sender))
{
m_pages.RemoveAt(ii);
break;
}
}
}
/// <summary>
/// Creates an application instance certificate if one does not already exist.
/// </summary>
public static async Task <X509Certificate2> CheckApplicationInstanceCertificate(
ApplicationConfiguration configuration,
ushort keySize,
bool interactive,
bool updateFile)
{
// create a default certificate if none is specified.
CertificateIdentifier id = configuration.SecurityConfiguration.ApplicationCertificate;
if (id == null)
{
id = new CertificateIdentifier();
id.StoreType = Utils.DefaultStoreType;
id.StorePath = ApplicationData.Current.LocalFolder.Path + "\\OPC Foundation\\CertificateStores\\MachineDefault";
id.SubjectName = configuration.ApplicationName;
}
bool createNewCertificate = false;
IList <string> serverDomainNames = configuration.GetServerDomainNames();
// check for private key.
X509Certificate2 certificate = await id.Find(true);
if (certificate == null)
{
// check if config file has wrong thumprint.
if (!String.IsNullOrEmpty(id.SubjectName) && !String.IsNullOrEmpty(id.Thumbprint))
{
CertificateIdentifier id2 = new CertificateIdentifier();
id2.StoreType = id.StoreType;
id2.StorePath = id.StorePath;
id2.SubjectName = id.SubjectName;
id = id2;
certificate = await id2.Find(true);
if (certificate != null)
{
string message = Utils.Format(
"Matching certificate with SubjectName={0} found but with a different thumbprint. Use certificate?",
id.SubjectName);
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
certificate = null;
}
}
}
}
// check if private key is missing.
if (certificate == null)
{
certificate = await id.Find(false);
if (certificate != null)
{
string message = Utils.Format(
"Matching certificate with SubjectName={0} found but without a private key. Create a new certificate?",
id.SubjectName);
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
certificate = null;
}
}
}
}
// check domains.
if (certificate != null)
{
IList <string> certificateDomainNames = Utils.GetDomainsFromCertficate(certificate);
for (int ii = 0; ii < serverDomainNames.Count; ii++)
{
if (Utils.FindStringIgnoreCase(certificateDomainNames, serverDomainNames[ii]))
{
continue;
}
if (String.Compare(serverDomainNames[ii], "localhost", StringComparison.OrdinalIgnoreCase) == 0)
{
// check computer name.
string computerName = Utils.GetHostName();
if (Utils.FindStringIgnoreCase(certificateDomainNames, computerName))
{
continue;
}
}
string message = Utils.Format(
"The server is configured to use domain '{0}' which does not appear in the certificate. Create new certificate?",
serverDomainNames[ii]);
createNewCertificate = true;
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
createNewCertificate = false;
continue;
}
}
Utils.Trace(message);
break;
}
if (!createNewCertificate)
{
// check if key size matches.
if (keySize == certificate.GetRSAPublicKey().KeySize)
{
await AddToTrustedStore(configuration, certificate);
return(certificate);
}
}
}
// prompt user.
if (interactive)
{
if (!createNewCertificate)
{
MessageDlg dialog = new MessageDlg("Application does not have an instance certificate.\n Create one automatically?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return(null);
}
}
}
// delete existing certificate.
if (certificate != null)
{
await DeleteApplicationInstanceCertificate(configuration);
}
// add the localhost.
if (serverDomainNames.Count == 0)
{
serverDomainNames.Add(Utils.GetHostName());
}
certificate = await Opc.Ua.CertificateFactory.CreateCertificate(
id.StoreType,
id.StorePath,
configuration.ApplicationUri,
configuration.ApplicationName,
null,
serverDomainNames,
keySize,
300);
id.Certificate = certificate;
await AddToTrustedStore(configuration, certificate);
if (updateFile && !String.IsNullOrEmpty(configuration.SourceFilePath))
{
configuration.SaveToFile(configuration.SourceFilePath);
}
await configuration.CertificateValidator.Update(configuration.SecurityConfiguration);
return(await configuration.SecurityConfiguration.ApplicationCertificate.LoadPrivateKey(null));
}
return(certificate);
}
private async void UserIdentityBTN_Click(object sender, RoutedEventArgs e)
{
try
{
UserTokenItem currentItem = new UserTokenItem(UserTokenType.Anonymous);
if (UserTokenTypeCB.SelectedIndex != -1)
{
currentItem = (UserTokenItem)UserTokenTypeCB.SelectedItem;
}
UserIdentityToken identity = null;
m_userIdentities.TryGetValue(currentItem.ToString(), out identity);
switch (currentItem.Policy.TokenType)
{
case UserTokenType.UserName:
{
UserNameIdentityToken userNameToken = identity as UserNameIdentityToken;
if (userNameToken == null)
{
userNameToken = new UserNameIdentityToken();
}
if (new UsernameTokenDlg().ShowDialog(userNameToken))
{
userNameToken.PolicyId = currentItem.Policy.PolicyId;
m_userIdentities[currentItem.ToString()] = userNameToken;
UserIdentityTB.Text = userNameToken.UserName;
}
break;
}
default:
{
MessageDlg dialog = new MessageDlg("User token type not supported at this time.");
await dialog.ShowAsync();
break;
}
}
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
}
/// <summary>
/// Handles a certificate validation error.
/// </summary>
/// <param name="caller">The caller's text is used as the caption of the <see cref="MessageBox"/> shown to provide details about the error.</param>
/// <param name="validator">The validator (not used).</param>
/// <param name="e">The <see cref="Opc.Ua.CertificateValidationEventArgs"/> instance event arguments provided when a certificate validation error occurs.</param>
public static async Task HandleCertificateValidationError(Page caller, CertificateValidator validator, CertificateValidationEventArgs e)
{
StringBuilder buffer = new StringBuilder();
buffer.AppendFormat("Certificate could not validated: {0}\r\n\r\n", e.Error.StatusCode);
buffer.AppendFormat("Subject: {0}\r\n", e.Certificate.Subject);
buffer.AppendFormat("Issuer: {0}\r\n", (e.Certificate.Subject == e.Certificate.Issuer) ? "Self-signed" : e.Certificate.Issuer);
buffer.AppendFormat("Thumbprint: {0}\r\n\r\n", e.Certificate.Thumbprint);
buffer.AppendFormat("Accept anyways?");
MessageDlg dialog = new MessageDlg(buffer.ToString(), MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result == MessageDlgButton.Yes)
{
e.Accept = true;
}
}
/// <summary>
/// Creates an application instance certificate if one does not already exist.
/// </summary>
public static async Task<X509Certificate2> CheckApplicationInstanceCertificate(
ApplicationConfiguration configuration,
ushort keySize,
bool interactive,
bool updateFile)
{
// create a default certificate if none is specified.
CertificateIdentifier id = configuration.SecurityConfiguration.ApplicationCertificate;
if (id == null)
{
id = new CertificateIdentifier();
id.StoreType = Utils.DefaultStoreType;
id.StorePath = ApplicationData.Current.LocalFolder.Path + "\\OPC Foundation\\CertificateStores\\MachineDefault";
id.SubjectName = configuration.ApplicationName;
}
bool createNewCertificate = false;
IList<string> serverDomainNames = configuration.GetServerDomainNames();
// check for private key.
X509Certificate2 certificate = await id.Find(true);
if (certificate == null)
{
// check if config file has wrong thumprint.
if (!String.IsNullOrEmpty(id.SubjectName) && !String.IsNullOrEmpty(id.Thumbprint))
{
CertificateIdentifier id2 = new CertificateIdentifier();
id2.StoreType = id.StoreType;
id2.StorePath = id.StorePath;
id2.SubjectName = id.SubjectName;
id = id2;
certificate = await id2.Find(true);
if (certificate != null)
{
string message = Utils.Format(
"Matching certificate with SubjectName={0} found but with a different thumbprint. Use certificate?",
id.SubjectName);
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
certificate = null;
}
}
}
}
// check if private key is missing.
if (certificate == null)
{
certificate = await id.Find(false);
if (certificate != null)
{
string message = Utils.Format(
"Matching certificate with SubjectName={0} found but without a private key. Create a new certificate?",
id.SubjectName);
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
certificate = null;
}
}
}
}
// check domains.
if (certificate != null)
{
IList<string> certificateDomainNames = Utils.GetDomainsFromCertficate(certificate);
for (int ii = 0; ii < serverDomainNames.Count; ii++)
{
if (Utils.FindStringIgnoreCase(certificateDomainNames, serverDomainNames[ii]))
{
continue;
}
if (String.Compare(serverDomainNames[ii], "localhost", StringComparison.OrdinalIgnoreCase) == 0)
{
// check computer name.
string computerName = Utils.GetHostName();
if (Utils.FindStringIgnoreCase(certificateDomainNames, computerName))
{
continue;
}
}
string message = Utils.Format(
"The server is configured to use domain '{0}' which does not appear in the certificate. Create new certificate?",
serverDomainNames[ii]);
createNewCertificate = true;
if (interactive)
{
MessageDlg dialog = new MessageDlg(message, MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
createNewCertificate = false;
continue;
}
}
Utils.Trace(message);
break;
}
if (!createNewCertificate)
{
// check if key size matches.
if (keySize == certificate.GetRSAPublicKey().KeySize)
{
await AddToTrustedStore(configuration, certificate);
return certificate;
}
}
}
// prompt user.
if (interactive)
{
if (!createNewCertificate)
{
MessageDlg dialog = new MessageDlg("Application does not have an instance certificate.\n Create one automatically?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return null;
}
}
}
// delete existing certificate.
if (certificate != null)
{
await DeleteApplicationInstanceCertificate(configuration);
}
// add the localhost.
if (serverDomainNames.Count == 0)
{
serverDomainNames.Add(Utils.GetHostName());
}
certificate = await Opc.Ua.CertificateFactory.CreateCertificate(
id.StoreType,
id.StorePath,
configuration.ApplicationUri,
configuration.ApplicationName,
null,
serverDomainNames,
keySize,
300);
id.Certificate = certificate;
await AddToTrustedStore(configuration, certificate);
if (updateFile && !String.IsNullOrEmpty(configuration.SourceFilePath))
{
configuration.SaveToFile(configuration.SourceFilePath);
}
await configuration.CertificateValidator.Update(configuration.SecurityConfiguration);
return await configuration.SecurityConfiguration.ApplicationCertificate.LoadPrivateKey(null);
}
return certificate;
}
private async void EndpointCB_KeyDown(object sender, KeyRoutedEventArgs e)
{
try
{
if (e.Key == VirtualKey.Delete)
{
// ignore "New"
if (m_selectedIndex == 0) return;
ConfiguredEndpoint endpoint = SelectedEndpoint;
MessageDlg dialog = new MessageDlg(
"Delete Endpoint?\r\n" + endpoint.EndpointUrl,
MessageDlgButton.Yes, MessageDlgButton.No);
if (await dialog.ShowAsync() == MessageDlgButton.Yes)
{
int oldIndex = m_selectedIndex;
m_endpoints.Remove(endpoint);
EndpointCB.Items.Remove(endpoint);
if (oldIndex > 0)
{
EndpointCB.SelectedIndex = m_selectedIndex = oldIndex-1;
}
// raise notification.
if (m_EndpointsChanged != null)
{
m_EndpointsChanged(this, null);
}
}
}
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
}
/// <summary>
/// Asks for confirmation before expanding a long list.
/// </summary>
private async Task<bool> PromptOnLongList(int length)
{
if (length < 256)
{
return true;
}
MessageDlg dialog = new MessageDlg("It may take a long time to display the list are you sure you want to continue?", MessageDlgButton.Yes, MessageDlgButton.No);
MessageDlgButton result = await dialog.ShowAsync();
if (result != MessageDlgButton.Yes)
{
return true;
}
return false;
}
public override async Task <bool> ShowAsync()
{
return(await dialog.ShowAsync() == MessageDlgButton.Yes);
}
private async void OkBTN_Click(object sender, EventArgs e)
{
NodeId viewId = null;
try
{
viewId = NodeId.Parse(ViewIdTB.Text);
}
catch (Exception)
{
MessageDlg dialog = new MessageDlg("Please enter a valid node id for the view id.");
await dialog.ShowAsync();
}
try
{
ViewDescription view = null;
if (!NodeId.IsNull(viewId) || ((bool)ViewTimestampCK.IsChecked || (bool)ViewVersionCK.IsChecked))
{
view = new ViewDescription();
view.ViewId = viewId;
view.Timestamp = DateTime.MinValue;
view.ViewVersion = 0;
if ((bool)ViewTimestampCK.IsChecked && (ViewTimestampDP.Date > ViewTimestampDP.MinYear))
{
view.Timestamp = Convert.ToDateTime(ViewTimestampDP.Date);
}
if ((bool)ViewVersionCK.IsChecked)
{
view.ViewVersion = (uint)ViewVersionNC.Value;
}
}
m_browser.View = view;
m_browser.MaxReferencesReturned = (uint)MaxReferencesReturnedNC.Value;
m_browser.BrowseDirection = (BrowseDirection)BrowseDirectionCB.SelectedItem;
m_browser.NodeClassMask = (int)NodeClass.View | (int)NodeClass.Object;
m_browser.ReferenceTypeId = ReferenceTypeCTRL.SelectedTypeId;
m_browser.IncludeSubtypes = (bool)IncludeSubtypesCK.IsChecked;
m_browser.NodeClassMask = 0;
int nodeClassMask = 0;
foreach (NodeClass nodeClass in NodeClassList.Items)
{
nodeClassMask |= (int)nodeClass;
}
m_browser.NodeClassMask = nodeClassMask;
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
}
private async void BrowseBTN_Click(object sender, EventArgs e)
{
try
{
Browser browser = new Browser(m_browser.Session);
browser.BrowseDirection = BrowseDirection.Forward;
browser.NodeClassMask = (int)NodeClass.View | (int)NodeClass.Object;
browser.ReferenceTypeId = ReferenceTypeIds.Organizes;
browser.IncludeSubtypes = true;
ReferenceDescription reference = new SelectNodeDlg().ShowDialog(browser, Objects.ViewsFolder);
if (reference != null)
{
if (reference.NodeClass != NodeClass.View)
{
MessageDlg dialog = new MessageDlg("Please select a valid view node id.");
await dialog.ShowAsync();
return;
}
ViewIdTB.Text = Utils.Format("{0}", reference.NodeId);
}
}
catch (Exception exception)
{
GuiUtils.HandleException(String.Empty, GuiUtils.CallerName(), exception);
}
}