Samuele Locatelli
346 lines
11 KiB
C#
346 lines
11 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2020 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Text;
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using System.Windows.Forms;
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using System.Security.Cryptography.X509Certificates;
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using System.Reflection;
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using System.Xml;
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using System.IO;
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using System.Runtime.Serialization;
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using Opc.Ua.Configuration;
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namespace Opc.Ua.Client.Controls
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{
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/// <summary>
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/// Allows a user to specify a certificate store.
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/// </summary>
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public partial class CertificateStoreCtrl : UserControl
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{
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#region Constructors
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/// <summary>
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/// Constructs the object.
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/// </summary>
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public CertificateStoreCtrl()
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{
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InitializeComponent();
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StoreTypeCB.Items.Add(CertificateStoreType.Directory);
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StoreTypeCB.Items.Add(CertificateStoreType.X509Store);
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StoreTypeCB.SelectedIndex = 0;
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}
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#endregion
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#region Private Fields
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private event EventHandler m_StoreChanged;
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#endregion
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#region Public Interface
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/// <summary>
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/// Raised when the certificate store is changed in the control.
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/// </summary>
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public event EventHandler StoreChanged
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{
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add { m_StoreChanged += value; }
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remove { m_StoreChanged -= value; }
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}
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/// <summary>
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/// The width of the label in the control.
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/// </summary>
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[DefaultValue(75)]
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public int LabelWidth
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{
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get
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{
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return LeftPN.Width;
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}
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set
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{
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LeftPN.Width = value;
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}
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}
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/// <summary>
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/// Whether the control is read-only.
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/// </summary>
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[DefaultValue(false)]
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public bool ReadOnly
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{
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get
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{
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return !StoreTypeCB.Enabled;
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}
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set
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{
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StoreTypeCB.Enabled = !value;
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StorePathCB.Enabled = !value;
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BrowseBTN.Enabled = !value;
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}
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}
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/// <summary>
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/// The type of certificate store.
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/// </summary>
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[DefaultValue(Utils.DefaultStoreType)]
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public string StoreType
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{
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get
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{
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return StoreTypeCB.SelectedItem as string;
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}
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set
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{
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if (value == null || StoreTypeCB.FindStringExact(value) == -1)
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{
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StoreTypeCB.SelectedIndex = 0;
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return;
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}
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StoreTypeCB.SelectedItem = value;
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}
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}
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/// <summary>
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/// The path to the certificate store.
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/// </summary>
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public string StorePath
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{
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get
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{
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if (StorePathCB.SelectedItem == null)
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{
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return StorePathCB.Text;
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}
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return StorePathCB.SelectedItem as string;
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}
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set
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{
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StorePathCB.SelectedIndex = -1;
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StorePathCB.Text = value;
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}
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}
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#endregion
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#region Private Methods
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private List<string> GetListOfStores(string storeType)
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{
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List<string> stores = new List<string>();
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if (CertificateStoreType.Directory == storeType)
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{
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stores.Add(Path.DirectorySeparatorChar + "OPC Foundation" + Path.DirectorySeparatorChar + "CertificateStores" + Path.DirectorySeparatorChar + "MachineDefault");
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stores.Add(Path.DirectorySeparatorChar + "OPC Foundation" + Path.DirectorySeparatorChar + "CertificateStores" + Path.DirectorySeparatorChar + "UA Applications");
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stores.Add(Path.DirectorySeparatorChar + "OPC Foundation" + Path.DirectorySeparatorChar + "CertificateStores" + Path.DirectorySeparatorChar + "UA Certificate Authorities");
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stores.Add(Path.DirectorySeparatorChar + "OPC Foundation" + Path.DirectorySeparatorChar + "CertificateStores" + Path.DirectorySeparatorChar + "RejectedCertificates");
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}
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if (CertificateStoreType.X509Store == storeType)
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{
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stores.Add("CurrentUser\\UA_MachineDefault");
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stores.Add("CurrentUser\\UA_Applications");
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stores.Add("CurrentUser\\UA_Certificate_Authorities");
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}
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return stores;
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}
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#endregion
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#region Event Handlers
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/// <summary>
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/// Populates the drop down with the recent file list.
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/// </summary>
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private void StorePathCB_DropDown(object sender, EventArgs e)
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{
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try
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{
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StorePathCB.Items.Clear();
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foreach (string storePath in GetListOfStores(StoreTypeCB.SelectedItem as string))
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{
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// ignore duplicates.
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bool found = false;
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foreach (string item in StorePathCB.Items)
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{
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if (String.Equals(storePath, item, StringComparison.OrdinalIgnoreCase))
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{
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found = true;
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break;
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}
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}
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// add list.
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if (!found)
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{
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StorePathCB.Items.Add(storePath);
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}
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}
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}
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catch (Exception exception)
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{
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GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
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}
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}
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/// <summary>
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/// Browses for new stores to manage.
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/// </summary>
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private void BrowseStoreBTN_Click(object sender, EventArgs e)
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{
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try
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{
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string storeType = StoreTypeCB.SelectedItem as string;
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string storePath = null;
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if (storeType == CertificateStoreType.Directory)
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{
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FolderBrowserDialog dialog = new FolderBrowserDialog();
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dialog.Description = "Select Certificate Store Directory";
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dialog.RootFolder = Environment.SpecialFolder.MyComputer;
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dialog.ShowNewFolderButton = true;
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if (dialog.ShowDialog() != DialogResult.OK)
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{
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return;
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}
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storePath = dialog.SelectedPath;
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}
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if (storeType == CertificateStoreType.X509Store)
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{
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CertificateStoreIdentifier store = new CertificateStoreTreeDlg().ShowDialog(null);
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if (store == null)
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{
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return;
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}
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storePath = store.StorePath;
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}
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if (String.IsNullOrEmpty(storePath))
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{
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return;
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}
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bool found = false;
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for (int ii = 0; ii < StorePathCB.Items.Count; ii++)
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{
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if (String.Equals(storePath, StorePathCB.Items[ii] as string, StringComparison.OrdinalIgnoreCase))
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{
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StorePathCB.SelectedIndex = ii;
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found = true;
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break;
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}
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}
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if (!found)
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{
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StorePathCB.SelectedIndex = StorePathCB.Items.Add(storePath);
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}
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}
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catch (Exception exception)
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{
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GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
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}
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}
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private void StoreTypeCB_SelectedIndexChanged(object sender, EventArgs e)
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{
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try
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{
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StorePathCB_DropDown(sender, e);
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if (StorePathCB.Items.Count > 0)
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{
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StorePathCB.SelectedIndex = 0;
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}
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if (m_StoreChanged != null)
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{
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m_StoreChanged(null, e);
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}
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}
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catch (Exception exception)
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{
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GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
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}
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}
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private void StorePathCB_TextChanged(object sender, EventArgs e)
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{
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try
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{
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if (m_StoreChanged != null)
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{
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m_StoreChanged(null, e);
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}
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}
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catch (Exception exception)
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{
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GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
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}
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}
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private void StorePathCB_SelectedIndexChanged(object sender, EventArgs e)
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{
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try
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{
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CertificateStoreIdentifier store = new CertificateStoreIdentifier();
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store.StoreType = StoreTypeCB.SelectedItem as string;
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store.StorePath = StorePathCB.Text;
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if (StorePathCB.SelectedIndex != -1)
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{
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store.StorePath = StorePathCB.SelectedItem as string;
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}
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}
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catch (Exception exception)
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{
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GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
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}
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}
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#endregion
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}
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}
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