Pushing missing changes

1 files changed, 486 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Updates/InstallationManager.cs b/MediaBrowser.Controller/Updates/InstallationManager.cs
new file mode 100644
index 000000000..63afa2ce8
--- /dev/null
+++ b/MediaBrowser.Controller/Updates/InstallationManager.cs
@@ -0,0 +1,486 @@
+using System.Security.Cryptography;
+using Ionic.Zip;
+using MediaBrowser.Common.Events;
+using MediaBrowser.Common.Kernel;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Common.Plugins;
+using MediaBrowser.Common.Progress;
+using MediaBrowser.Common.Serialization;
+using MediaBrowser.Model.Updates;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Updates
+{
+    /// <summary>
+    /// Manages all install, uninstall and update operations (both plugins and system)
+    /// </summary>
+    public class InstallationManager : BaseManager<Kernel>
+    {
+        /// <summary>
+        /// The current installations
+        /// </summary>
+        public readonly List<Tuple<InstallationInfo, CancellationTokenSource>> CurrentInstallations =
+            new List<Tuple<InstallationInfo, CancellationTokenSource>>();
+
+        /// <summary>
+        /// The completed installations
+        /// </summary>
+        public readonly ConcurrentBag<InstallationInfo> CompletedInstallations = new ConcurrentBag<InstallationInfo>(); 
+        
+        #region PluginUninstalled Event
+        /// <summary>
+        /// Occurs when [plugin uninstalled].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<IPlugin>> PluginUninstalled;
+
+        /// <summary>
+        /// Called when [plugin uninstalled].
+        /// </summary>
+        /// <param name="plugin">The plugin.</param>
+        private void OnPluginUninstalled(IPlugin plugin)
+        {
+            EventHelper.QueueEventIfNotNull(PluginUninstalled, this, new GenericEventArgs<IPlugin> { Argument = plugin });
+
+            // Notify connected ui's
+            Kernel.TcpManager.SendWebSocketMessage("PluginUninstalled", plugin.GetPluginInfo());
+        }
+        #endregion
+
+        #region PluginUpdated Event
+        /// <summary>
+        /// Occurs when [plugin updated].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>>> PluginUpdated;
+        /// <summary>
+        /// Called when [plugin updated].
+        /// </summary>
+        /// <param name="plugin">The plugin.</param>
+        /// <param name="newVersion">The new version.</param>
+        public void OnPluginUpdated(IPlugin plugin, PackageVersionInfo newVersion)
+        {
+            Logger.Info("Plugin updated: {0} {1} {2}", newVersion.name, newVersion.version, newVersion.classification);
+
+            EventHelper.QueueEventIfNotNull(PluginUpdated, this, new GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> { Argument = new Tuple<IPlugin, PackageVersionInfo>(plugin, newVersion) });
+            
+            Kernel.NotifyPendingRestart();
+        }
+        #endregion
+
+        #region PluginInstalled Event
+        /// <summary>
+        /// Occurs when [plugin updated].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<PackageVersionInfo>> PluginInstalled;
+        /// <summary>
+        /// Called when [plugin installed].
+        /// </summary>
+        /// <param name="package">The package.</param>
+        public void OnPluginInstalled(PackageVersionInfo package)
+        {
+            Logger.Info("New plugin installed: {0} {1} {2}", package.name, package.version, package.classification);
+
+            EventHelper.QueueEventIfNotNull(PluginInstalled, this, new GenericEventArgs<PackageVersionInfo> { Argument = package });
+
+            Kernel.NotifyPendingRestart();
+        }
+        #endregion
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="InstallationManager" /> class.
+        /// </summary>
+        /// <param name="kernel">The kernel.</param>
+        public InstallationManager(Kernel kernel)
+            : base(kernel)
+        {
+
+        }
+
+        /// <summary>
+        /// Gets all available packages.
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="packageType">Type of the package.</param>
+        /// <param name="applicationVersion">The application version.</param>
+        /// <returns>Task{List{PackageInfo}}.</returns>
+        public async Task<IEnumerable<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken,
+            PackageType? packageType = null,
+            Version applicationVersion = null)
+        {
+            var data = new Dictionary<string, string> { { "key", Kernel.PluginSecurityManager.SupporterKey }, { "mac", NetUtils.GetMacAddress() } };
+
+            using (var json = await Kernel.HttpManager.Post(Controller.Kernel.MBAdminUrl + "service/package/retrieveall", data, Kernel.ResourcePools.Mb, cancellationToken).ConfigureAwait(false))
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var packages = JsonSerializer.DeserializeFromStream<List<PackageInfo>>(json).ToList();
+
+                foreach (var package in packages)
+                {
+                    package.versions = package.versions.Where(v => !string.IsNullOrWhiteSpace(v.sourceUrl))
+                        .OrderByDescending(v => v.version).ToList();
+                }
+                
+                if (packageType.HasValue)
+                {
+                    packages = packages.Where(p => p.type == packageType.Value).ToList();
+                }
+
+                // If an app version was supplied, filter the versions for each package to only include supported versions
+                if (applicationVersion != null)
+                {
+                    foreach (var package in packages)
+                    {
+                        package.versions = package.versions.Where(v => IsPackageVersionUpToDate(v, applicationVersion)).ToList();
+                    }
+                }
+
+                // Remove packages with no versions
+                packages = packages.Where(p => p.versions.Any()).ToList();
+                
+                return packages;
+            }
+        }
+
+        /// <summary>
+        /// Determines whether [is package version up to date] [the specified package version info].
+        /// </summary>
+        /// <param name="packageVersionInfo">The package version info.</param>
+        /// <param name="applicationVersion">The application version.</param>
+        /// <returns><c>true</c> if [is package version up to date] [the specified package version info]; otherwise, <c>false</c>.</returns>
+        private bool IsPackageVersionUpToDate(PackageVersionInfo packageVersionInfo, Version applicationVersion)
+        {
+            if (string.IsNullOrEmpty(packageVersionInfo.requiredVersionStr))
+            {
+                return true;
+            }
+
+            Version requiredVersion;
+
+            return Version.TryParse(packageVersionInfo.requiredVersionStr, out requiredVersion) && applicationVersion >= requiredVersion;
+        }
+
+        /// <summary>
+        /// Gets the package.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="classification">The classification.</param>
+        /// <param name="version">The version.</param>
+        /// <returns>Task{PackageVersionInfo}.</returns>
+        public async Task<PackageVersionInfo> GetPackage(string name, PackageVersionClass classification, Version version)
+        {
+            var packages = await GetAvailablePackages(CancellationToken.None).ConfigureAwait(false);
+
+            var package = packages.FirstOrDefault(p => p.name.Equals(name, StringComparison.OrdinalIgnoreCase));
+
+            if (package == null)
+            {
+                return null;
+            }
+
+            return package.versions.FirstOrDefault(v => v.version.Equals(version) && v.classification == classification);
+        }
+
+        /// <summary>
+        /// Gets the latest compatible version.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="classification">The classification.</param>
+        /// <returns>Task{PackageVersionInfo}.</returns>
+        public async Task<PackageVersionInfo> GetLatestCompatibleVersion(string name, PackageVersionClass classification = PackageVersionClass.Release)
+        {
+            var packages = await GetAvailablePackages(CancellationToken.None).ConfigureAwait(false);
+
+            return GetLatestCompatibleVersion(packages, name, classification);
+        }
+
+        /// <summary>
+        /// Gets the latest compatible version.
+        /// </summary>
+        /// <param name="availablePackages">The available packages.</param>
+        /// <param name="name">The name.</param>
+        /// <param name="classification">The classification.</param>
+        /// <returns>PackageVersionInfo.</returns>
+        public PackageVersionInfo GetLatestCompatibleVersion(IEnumerable<PackageInfo> availablePackages, string name, PackageVersionClass classification = PackageVersionClass.Release)
+        {
+            var package = availablePackages.FirstOrDefault(p => p.name.Equals(name, StringComparison.OrdinalIgnoreCase));
+
+            if (package == null)
+            {
+                return null;
+            }
+
+            return package.versions
+                .OrderByDescending(v => v.version)
+                .FirstOrDefault(v => v.classification <= classification && IsPackageVersionUpToDate(v, Kernel.ApplicationVersion));
+        }
+
+        /// <summary>
+        /// Gets the available plugin updates.
+        /// </summary>
+        /// <param name="withAutoUpdateEnabled">if set to <c>true</c> [with auto update enabled].</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task{IEnumerable{PackageVersionInfo}}.</returns>
+        public async Task<IEnumerable<PackageVersionInfo>> GetAvailablePluginUpdates(bool withAutoUpdateEnabled, CancellationToken cancellationToken)
+        {
+            var catalog = await Kernel.InstallationManager.GetAvailablePackages(cancellationToken).ConfigureAwait(false);
+
+            var plugins = Kernel.Plugins;
+
+            if (withAutoUpdateEnabled)
+            {
+                plugins = plugins.Where(p => p.Configuration.EnableAutoUpdate);
+            }
+
+            // Figure out what needs to be installed
+            return plugins.Select(p =>
+            {
+                var latestPluginInfo = Kernel.InstallationManager.GetLatestCompatibleVersion(catalog, p.Name, p.Configuration.UpdateClass);
+
+                return latestPluginInfo != null && latestPluginInfo.version > p.Version ? latestPluginInfo : null;
+
+            }).Where(p => !CompletedInstallations.Any(i => i.Name.Equals(p.name, StringComparison.OrdinalIgnoreCase)))
+            .Where(p => p != null && !string.IsNullOrWhiteSpace(p.sourceUrl));
+        }
+
+        /// <summary>
+        /// Installs the package.
+        /// </summary>
+        /// <param name="package">The package.</param>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">package</exception>
+        public async Task InstallPackage(PackageVersionInfo package, IProgress<double> progress, CancellationToken cancellationToken)
+        {
+            if (package == null)
+            {
+                throw new ArgumentNullException("package");
+            }
+
+            if (progress == null)
+            {
+                throw new ArgumentNullException("progress");
+            }
+
+            if (cancellationToken == null)
+            {
+                throw new ArgumentNullException("cancellationToken");
+            }
+
+            var installationInfo = new InstallationInfo
+            {
+                Id = Guid.NewGuid(),
+                Name = package.name,
+                UpdateClass = package.classification,
+                Version = package.versionStr
+            };
+
+            var innerCancellationTokenSource = new CancellationTokenSource();
+
+            var tuple = new Tuple<InstallationInfo, CancellationTokenSource>(installationInfo, innerCancellationTokenSource);
+            
+            // Add it to the in-progress list
+            lock (CurrentInstallations)
+            {
+                CurrentInstallations.Add(tuple);
+            }
+
+            var innerProgress = new ActionableProgress<double> { };
+
+            // Whenever the progress updates, update the outer progress object and InstallationInfo
+            innerProgress.RegisterAction(percent =>
+            {
+                progress.Report(percent);
+
+                installationInfo.PercentComplete = percent;
+            });
+
+            var linkedToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, innerCancellationTokenSource.Token).Token;
+
+            Kernel.TcpManager.SendWebSocketMessage("PackageInstalling", installationInfo);
+
+            try
+            {
+                await InstallPackageInternal(package, innerProgress, linkedToken).ConfigureAwait(false);
+
+                lock (CurrentInstallations)
+                {
+                    CurrentInstallations.Remove(tuple);
+                }
+
+                CompletedInstallations.Add(installationInfo);
+
+                Kernel.TcpManager.SendWebSocketMessage("PackageInstallationCompleted", installationInfo);
+            }
+            catch (OperationCanceledException)
+            {
+                lock (CurrentInstallations)
+                {
+                    CurrentInstallations.Remove(tuple);
+                }
+
+                Logger.Info("Package installation cancelled: {0} {1}", package.name, package.versionStr);
+
+                Kernel.TcpManager.SendWebSocketMessage("PackageInstallationCancelled", installationInfo);
+                
+                throw;
+            }
+            catch
+            {
+                lock (CurrentInstallations)
+                {
+                    CurrentInstallations.Remove(tuple);
+                }
+                
+                Kernel.TcpManager.SendWebSocketMessage("PackageInstallationFailed", installationInfo);
+
+                throw;
+            }
+            finally
+            {
+                // Dispose the progress object and remove the installation from the in-progress list
+
+                innerProgress.Dispose();
+                tuple.Item2.Dispose();
+            }
+        }
+
+        /// <summary>
+        /// Installs the package internal.
+        /// </summary>
+        /// <param name="package">The package.</param>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        private async Task InstallPackageInternal(PackageVersionInfo package, IProgress<double> progress, CancellationToken cancellationToken)
+        {
+            // Target based on if it is an archive or single assembly
+            //  zip archives are assumed to contain directory structures relative to our ProgramDataPath
+            var isArchive = string.Equals(Path.GetExtension(package.sourceUrl), ".zip", StringComparison.OrdinalIgnoreCase);
+            var target = isArchive ? Kernel.ApplicationPaths.ProgramDataPath : Path.Combine(Kernel.ApplicationPaths.PluginsPath, package.targetFilename);
+
+            // Download to temporary file so that, if interrupted, it won't destroy the existing installation
+            var tempFile = await Kernel.HttpManager.FetchToTempFile(package.sourceUrl, Kernel.ResourcePools.Mb, cancellationToken, progress).ConfigureAwait(false);
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            // Validate with a checksum
+            if (package.checksum != Guid.Empty) // support for legacy uploads for now
+            {
+                using (var crypto = new MD5CryptoServiceProvider())
+                using (var stream = new BufferedStream(File.OpenRead(tempFile), 100000))
+                {
+                    var check = Guid.Parse(BitConverter.ToString(crypto.ComputeHash(stream)).Replace("-", String.Empty));
+                    if (check != package.checksum)
+                    {
+                        throw new ApplicationException(string.Format("Download validation failed for {0}.  Probably corrupted during transfer.", package.name));
+                    }
+                }
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+            
+            // Success - move it to the real target based on type
+            if (isArchive)
+            {
+                try
+                {
+                    // Extract to target in full - overwriting
+                    using (var zipFile = ZipFile.Read(tempFile))
+                    {
+                        zipFile.ExtractAll(target, ExtractExistingFileAction.OverwriteSilently);
+                    }
+                }
+                catch (IOException e)
+                {
+                    Logger.ErrorException("Error attempting to extract archive from {0} to {1}", e, tempFile, target);
+                    throw;
+                }
+
+            } 
+            else
+            {
+                try
+                {
+                    File.Copy(tempFile, target, true);
+                    File.Delete(tempFile);
+                }
+                catch (IOException e)
+                {
+                    Logger.ErrorException("Error attempting to move file from {0} to {1}", e, tempFile, target);
+                    throw;
+                }
+            }            
+            
+            // Set last update time if we were installed before
+            var plugin = Kernel.Plugins.FirstOrDefault(p => p.Name.Equals(package.name, StringComparison.OrdinalIgnoreCase));
+
+            if (plugin != null)
+            {
+                // Synchronize the UpdateClass value
+                if (plugin.Configuration.UpdateClass != package.classification)
+                {
+                    plugin.Configuration.UpdateClass = package.classification;
+                    plugin.SaveConfiguration();
+                }
+
+                OnPluginUpdated(plugin, package);
+            }
+            else
+            {
+                OnPluginInstalled(package);
+            }
+        }
+
+        /// <summary>
+        /// Uninstalls a plugin
+        /// </summary>
+        /// <param name="plugin">The plugin.</param>
+        /// <exception cref="System.ArgumentException"></exception>
+        public void UninstallPlugin(IPlugin plugin)
+        {
+            if (plugin.IsCorePlugin)
+            {
+                throw new ArgumentException(string.Format("{0} cannot be uninstalled because it is a core plugin.", plugin.Name));
+            }
+
+            plugin.OnUninstalling();
+
+            // Remove it the quick way for now
+            Kernel.RemovePlugin(plugin);
+
+            File.Delete(plugin.AssemblyFilePath);
+
+            OnPluginUninstalled(plugin);
+
+            Kernel.NotifyPendingRestart();
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected override void Dispose(bool dispose)
+        {
+            if (dispose)
+            {
+                lock (CurrentInstallations)
+                {
+                    foreach (var tuple in CurrentInstallations)
+                    {
+                        tuple.Item2.Dispose();
+                    }
+
+                    CurrentInstallations.Clear();
+                }
+            }
+            base.Dispose(dispose);
+        }
+    }
+}