diff options
Diffstat (limited to 'Emby.Server.Implementations/Plugins/PluginManager.cs')
| -rw-r--r-- | Emby.Server.Implementations/Plugins/PluginManager.cs | 88 |
1 files changed, 63 insertions, 25 deletions
diff --git a/Emby.Server.Implementations/Plugins/PluginManager.cs b/Emby.Server.Implementations/Plugins/PluginManager.cs index ec4e0dbeb..f14f87ccd 100644 --- a/Emby.Server.Implementations/Plugins/PluginManager.cs +++ b/Emby.Server.Implementations/Plugins/PluginManager.cs @@ -5,6 +5,7 @@ using System.IO; using System.Linq; using System.Net.Http; using System.Reflection; +using System.Runtime.Loader; using System.Text; using System.Text.Json; using System.Threading.Tasks; @@ -30,6 +31,7 @@ namespace Emby.Server.Implementations.Plugins { private readonly string _pluginsPath; private readonly Version _appVersion; + private readonly List<AssemblyLoadContext> _assemblyLoadContexts; private readonly JsonSerializerOptions _jsonOptions; private readonly ILogger<PluginManager> _logger; private readonly IApplicationHost _appHost; @@ -76,6 +78,8 @@ namespace Emby.Server.Implementations.Plugins _appHost = appHost; _minimumVersion = new Version(0, 0, 0, 1); _plugins = Directory.Exists(_pluginsPath) ? DiscoverPlugins().ToList() : new List<LocalPlugin>(); + + _assemblyLoadContexts = new List<AssemblyLoadContext>(); } private IHttpClientFactory HttpClientFactory @@ -119,43 +123,78 @@ namespace Emby.Server.Implementations.Plugins continue; } + var assemblyLoadContext = new PluginLoadContext(plugin.Path); + _assemblyLoadContexts.Add(assemblyLoadContext); + + var assemblies = new List<Assembly>(plugin.DllFiles.Count); + var loadedAll = true; + foreach (var file in plugin.DllFiles) { - Assembly assembly; try { - assembly = Assembly.LoadFrom(file); - - // Load all required types to verify that the plugin will load - assembly.GetTypes(); + assemblies.Add(assemblyLoadContext.LoadFromAssemblyPath(file)); } catch (FileLoadException ex) { - _logger.LogError(ex, "Failed to load assembly {Path}. Disabling plugin.", file); + _logger.LogError(ex, "Failed to load assembly {Path}. Disabling plugin", file); ChangePluginState(plugin, PluginStatus.Malfunctioned); - continue; + loadedAll = false; + break; + } +#pragma warning disable CA1031 // Do not catch general exception types + catch (Exception ex) +#pragma warning restore CA1031 // Do not catch general exception types + { + _logger.LogError(ex, "Failed to load assembly {Path}. Unknown exception was thrown. Disabling plugin", file); + ChangePluginState(plugin, PluginStatus.Malfunctioned); + loadedAll = false; + break; + } + } + + if (!loadedAll) + { + continue; + } + + foreach (var assembly in assemblies) + { + try + { + // Load all required types to verify that the plugin will load + assembly.GetTypes(); } catch (SystemException ex) when (ex is TypeLoadException or ReflectionTypeLoadException) // Undocumented exception { - _logger.LogError(ex, "Failed to load assembly {Path}. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin.", file); + _logger.LogError(ex, "Failed to load assembly {Path}. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin", assembly.Location); ChangePluginState(plugin, PluginStatus.NotSupported); - continue; + break; } #pragma warning disable CA1031 // Do not catch general exception types catch (Exception ex) #pragma warning restore CA1031 // Do not catch general exception types { - _logger.LogError(ex, "Failed to load assembly {Path}. Unknown exception was thrown. Disabling plugin.", file); + _logger.LogError(ex, "Failed to load assembly {Path}. Unknown exception was thrown. Disabling plugin", assembly.Location); ChangePluginState(plugin, PluginStatus.Malfunctioned); - continue; + break; } - _logger.LogInformation("Loaded assembly {Assembly} from {Path}", assembly.FullName, file); + _logger.LogInformation("Loaded assembly {Assembly} from {Path}", assembly.FullName, assembly.Location); yield return assembly; } } } + /// <inheritdoc /> + public void UnloadAssemblies() + { + foreach (var assemblyLoadContext in _assemblyLoadContexts) + { + assemblyLoadContext.Unload(); + } + } + /// <summary> /// Creates all the plugin instances. /// </summary> @@ -174,7 +213,7 @@ namespace Emby.Server.Implementations.Plugins foreach (var pluginServiceRegistrator in _appHost.GetExportTypes<IPluginServiceRegistrator>()) { var plugin = GetPluginByAssembly(pluginServiceRegistrator.Assembly); - if (plugin == null) + if (plugin is null) { _logger.LogError("Unable to find plugin in assembly {Assembly}", pluginServiceRegistrator.Assembly.FullName); continue; @@ -210,10 +249,7 @@ namespace Emby.Server.Implementations.Plugins /// <param name="folder">Folder of the plugin.</param> public void ImportPluginFrom(string folder) { - if (string.IsNullOrEmpty(folder)) - { - throw new ArgumentNullException(nameof(folder)); - } + ArgumentException.ThrowIfNullOrEmpty(folder); // Load the plugin. var plugin = LoadManifest(folder); @@ -263,12 +299,12 @@ namespace Emby.Server.Implementations.Plugins { LocalPlugin? plugin; - if (version == null) + if (version is null) { // If no version is given, return the current instance. var plugins = _plugins.Where(p => p.Id.Equals(id)).ToList(); - plugin = plugins.FirstOrDefault(p => p.Instance != null) ?? plugins.OrderByDescending(p => p.Version).FirstOrDefault(); + plugin = plugins.FirstOrDefault(p => p.Instance is not null) ?? plugins.MaxBy(p => p.Version); } else { @@ -320,7 +356,7 @@ namespace Emby.Server.Implementations.Plugins ArgumentNullException.ThrowIfNull(assembly); var plugin = _plugins.FirstOrDefault(p => p.DllFiles.Contains(assembly.Location)); - if (plugin == null) + if (plugin is null) { // A plugin's assembly didn't cause this issue, so ignore it. return; @@ -442,7 +478,7 @@ namespace Emby.Server.Implementations.Plugins _logger.LogDebug("Creating instance of {Type}", type); // _appHost.ServiceProvider is already assigned when we create the plugins var instance = (IPlugin)ActivatorUtilities.CreateInstance(_appHost.ServiceProvider!, type); - if (plugin == null) + if (plugin is null) { // Create a dummy record for the providers. // TODO: remove this code once all provided have been released as separate plugins. @@ -500,7 +536,7 @@ namespace Emby.Server.Implementations.Plugins #pragma warning restore CA1031 // Do not catch general exception types { _logger.LogError(ex, "Error creating {Type}", type.FullName); - if (plugin != null) + if (plugin is not null) { if (ChangePluginState(plugin, PluginStatus.Malfunctioned)) { @@ -523,7 +559,7 @@ namespace Emby.Server.Implementations.Plugins var predecessor = _plugins.OrderByDescending(p => p.Version) .FirstOrDefault(p => p.Id.Equals(plugin.Id) && p.IsEnabledAndSupported && p.Version != plugin.Version); - if (predecessor != null) + if (predecessor is not null) { return; } @@ -577,7 +613,7 @@ namespace Emby.Server.Implementations.Plugins _logger.LogError(ex, "Error deserializing {Json}.", Encoding.UTF8.GetString(data!)); } - if (manifest != null) + if (manifest is not null) { if (!Version.TryParse(manifest.TargetAbi, out var targetAbi)) { @@ -711,10 +747,11 @@ namespace Emby.Server.Implementations.Plugins && p.IsEnabledAndSupported && p.Version != plugin.Version); - if (previousVersion == null) + if (previousVersion is null) { // This value is memory only - so that the web will show restart required. plugin.Manifest.Status = PluginStatus.Restart; + plugin.Manifest.AutoUpdate = false; return; } @@ -729,6 +766,7 @@ namespace Emby.Server.Implementations.Plugins // This value is memory only - so that the web will show restart required. plugin.Manifest.Status = PluginStatus.Restart; + plugin.Manifest.AutoUpdate = false; } } } |
