1 files changed, 217 insertions, 0 deletions
diff --git a/MediaBrowser.Common/Updates/ClickOnceHelper.cs b/MediaBrowser.Common/Updates/ClickOnceHelper.cs
new file mode 100644
index 000000000..7dd0cf9c5
--- /dev/null
+++ b/MediaBrowser.Common/Updates/ClickOnceHelper.cs
@@ -0,0 +1,217 @@
+using Microsoft.Win32;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Security.AccessControl;
+
+namespace MediaBrowser.Common.Updates
+{
+    /// <summary>
+    /// Class ClickOnceHelper
+    /// </summary>
+    public class ClickOnceHelper
+    {
+        /// <summary>
+        /// The uninstall string
+        /// </summary>
+        private const string UninstallString = "UninstallString";
+        /// <summary>
+        /// The display name key
+        /// </summary>
+        private const string DisplayNameKey = "DisplayName";
+        /// <summary>
+        /// The uninstall string file
+        /// </summary>
+        private const string UninstallStringFile = "UninstallString.bat";
+        /// <summary>
+        /// The appref extension
+        /// </summary>
+        private const string ApprefExtension = ".appref-ms";
+        /// <summary>
+        /// The uninstall registry key
+        /// </summary>
+        private readonly RegistryKey UninstallRegistryKey;
+
+        /// <summary>
+        /// Gets the location.
+        /// </summary>
+        /// <value>The location.</value>
+        private static string Location
+        {
+            get { return Assembly.GetExecutingAssembly().Location; }
+        }
+
+        /// <summary>
+        /// Gets the name of the publisher.
+        /// </summary>
+        /// <value>The name of the publisher.</value>
+        public string PublisherName { get; private set; }
+        /// <summary>
+        /// Gets the name of the product.
+        /// </summary>
+        /// <value>The name of the product.</value>
+        public string ProductName { get; private set; }
+        /// <summary>
+        /// Gets the uninstall file.
+        /// </summary>
+        /// <value>The uninstall file.</value>
+        public string UninstallFile { get; private set; }
+        /// <summary>
+        /// Gets the name of the suite.
+        /// </summary>
+        /// <value>The name of the suite.</value>
+        public string SuiteName { get; private set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ClickOnceHelper" /> class.
+        /// </summary>
+        /// <param name="publisherName">Name of the publisher.</param>
+        /// <param name="productName">Name of the product.</param>
+        /// <param name="suiteName">Name of the suite.</param>
+        public ClickOnceHelper(string publisherName, string productName, string suiteName)
+        {
+            PublisherName = publisherName;
+            ProductName = productName;
+            SuiteName = suiteName;
+
+            var publisherFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), PublisherName);
+
+            if (!Directory.Exists(publisherFolder))
+            {
+                Directory.CreateDirectory(publisherFolder);
+            }
+
+            UninstallFile = Path.Combine(publisherFolder, UninstallStringFile);
+
+            UninstallRegistryKey = GetUninstallRegistryKeyByProductName(ProductName);
+        }
+
+        /// <summary>
+        /// Gets the shortcut path.
+        /// </summary>
+        /// <returns>System.String.</returns>
+        private string GetShortcutPath()
+        {
+            var allProgramsPath = Environment.GetFolderPath(Environment.SpecialFolder.Programs);
+
+            var shortcutPath = Path.Combine(allProgramsPath, PublisherName);
+
+            if (!string.IsNullOrEmpty(SuiteName))
+            {
+                shortcutPath = Path.Combine(shortcutPath, SuiteName);
+            }
+
+            return Path.Combine(shortcutPath, ProductName) + ApprefExtension;
+        }
+
+        /// <summary>
+        /// Gets the startup shortcut path.
+        /// </summary>
+        /// <returns>System.String.</returns>
+        private string GetStartupShortcutPath()
+        {
+            var startupPath = Environment.GetFolderPath(Environment.SpecialFolder.Startup);
+            
+            return Path.Combine(startupPath, ProductName) + ApprefExtension;
+        }
+
+        /// <summary>
+        /// Adds the shortcut to startup.
+        /// </summary>
+        public void AddShortcutToStartup()
+        {
+            var startupPath = GetStartupShortcutPath();
+
+            if (!File.Exists(startupPath))
+            {
+                File.Copy(GetShortcutPath(), startupPath);
+            }
+        }
+
+        /// <summary>
+        /// Removes the shortcut from startup.
+        /// </summary>
+        public void RemoveShortcutFromStartup()
+        {
+            var startupPath = GetStartupShortcutPath();
+
+            if (File.Exists(startupPath))
+            {
+                File.Delete(startupPath);
+            }
+        }
+
+        /// <summary>
+        /// Updates the uninstall parameters.
+        /// </summary>
+        /// <param name="uninstallerFileName">Name of the uninstaller file.</param>
+        public void UpdateUninstallParameters(string uninstallerFileName)
+        {
+            if (UninstallRegistryKey != null)
+            {
+                UpdateUninstallString(uninstallerFileName);
+            }
+        }
+
+        /// <summary>
+        /// Gets the name of the uninstall registry key by product.
+        /// </summary>
+        /// <param name="productName">Name of the product.</param>
+        /// <returns>RegistryKey.</returns>
+        private RegistryKey GetUninstallRegistryKeyByProductName(string productName)
+        {
+            var subKey = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Uninstall");
+
+            if (subKey == null)
+            {
+                return null;
+            }
+
+            return subKey.GetSubKeyNames()
+                .Select(name => subKey.OpenSubKey(name, RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.QueryValues | RegistryRights.ReadKey | RegistryRights.SetValue))
+                .Where(application => application != null)
+                .FirstOrDefault(application => application.GetValueNames().Where(appKey => appKey.Equals(DisplayNameKey)).Any(appKey => application.GetValue(appKey).Equals(productName)));
+        }
+
+        /// <summary>
+        /// Updates the uninstall string.
+        /// </summary>
+        /// <param name="uninstallerFileName">Name of the uninstaller file.</param>
+        private void UpdateUninstallString(string uninstallerFileName)
+        {
+            var uninstallString = (string)UninstallRegistryKey.GetValue(UninstallString);
+
+            if (!string.IsNullOrEmpty(UninstallFile) && uninstallString.StartsWith("rundll32.exe", StringComparison.OrdinalIgnoreCase))
+            {
+                File.WriteAllText(UninstallFile, uninstallString);
+            }
+
+            var str = String.Format("\"{0}\" uninstall", Path.Combine(Path.GetDirectoryName(Location), uninstallerFileName));
+
+            UninstallRegistryKey.SetValue(UninstallString, str);
+        }
+
+        /// <summary>
+        /// Uninstalls this instance.
+        /// </summary>
+        public void Uninstall()
+        {
+            RemoveShortcutFromStartup();
+
+            var uninstallString = File.ReadAllText(UninstallFile);
+
+            new Process
+            {
+                StartInfo =
+                {
+                    Arguments = uninstallString.Substring(uninstallString.IndexOf(" ", StringComparison.OrdinalIgnoreCase) + 1),
+                    FileName = uninstallString.Substring(0, uninstallString.IndexOf(" ", StringComparison.OrdinalIgnoreCase)),
+                    UseShellExecute = false
+                }
+
+            }.Start();
+        }
+    }
+}