public void LoadExtensions()
{
Plugins = new List <PluginInfo>();
var signatureVerifier = new AssemblySignatureVerifier();
var enabledPlugins = info.Settings.Get("extmgr.enabled", "").Split(';');
var currentVersion = update.CurrentVersion;
var path = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
DirectoryInfo dir = new DirectoryInfo(path);
foreach (var file in dir.GetFiles("*.dll"))
{
try
{
var assembly = Assembly.LoadFrom(file.FullName);
foreach (var type in assembly.GetTypes())
{
if (!type.IsClass || !type.IsPublic || type.IsAbstract || type == typeof(IPlugin))
{
continue;
}
if (!typeof(IPlugin).IsAssignableFrom(type))
{
continue;
}
object[] attribs = type.GetCustomAttributes(typeof(PluginAttribute), false);
if (attribs.Length != 1)
{
continue;
}
var attr = (PluginAttribute)attribs[0];
if (Version.TryParse(attr.MinVer, out Version min) && VersionCompare(currentVersion, min) < 0)
{
continue; // Inkompatible Erweiterung (Programm zu alt)
}
if (Version.TryParse(attr.MaxVer, out Version max) && VersionCompare(currentVersion, max) > 0)
{
continue; // Inkompatible Erweiterung (Programm zu neu)
}
var securityContext = signatureVerifier.Validate(file.FullName);
if (enabledPlugins.Contains(type.FullName))
{
IPlugin plugin = (IPlugin)Activator.CreateInstance(type);
var info = new PluginInfo(plugin, securityContext);
Plugins.Add(info);
}
else
{
var info = new PluginInfo(type, securityContext);
Plugins.Add(info);
}
}
}
catch (FileLoadException)
{
info.Logger.Warning("Erweiterung " + file.Name + " konnte nicht geladen werden, bitte überprüfen ob diese noch geblockt ist!");
}
catch
{
}
}
}
public IEnumerable <string> LoadExtensions()
{
if (pluginsInitialized)
{
throw new InvalidOperationException("Extensions have already been initialized!");
}
if (filesLoaded)
{
throw new InvalidOperationException("Extensions already loaded from filesystem!");
}
filesLoaded = true;
var signatureVerifier = new AssemblySignatureVerifier();
var enabledPlugins = pluginInterface.Settings.Get("extmgr.enabled", "").Split(';');
var currentVersion = VersionInformation.Current.AppBaseVersion;
DirectoryInfo dir = new DirectoryInfo(pluginInterface.ExecutableDir);
// Filter some unwanted files, for performance reasons as we don't have to check them
var files = dir.GetFiles("*.dll")
.Where(FilterFileNames)
.ToArray();
var warnings = new List <string>();
foreach (var file in files)
{
try
{
var assembly = Assembly.LoadFrom(file.FullName);
foreach (var type in assembly.GetTypes())
{
if (!type.IsClass || !type.IsPublic || type.IsAbstract || type == typeof(IPlugin))
{
continue;
}
if (!typeof(IPlugin).IsAssignableFrom(type))
{
continue;
}
var attr = type.GetCustomAttribute <PluginAttribute>();
if (attr == null)
{
continue;
}
if (Version.TryParse(attr.MinVer, out Version min) && VersionCompare(currentVersion, min) < 0)
{
continue; // Inkompatible Erweiterung (Programm zu alt)
}
if (Version.TryParse(attr.MaxVer, out Version max) && VersionCompare(currentVersion, max) > 0)
{
continue; // Inkompatible Erweiterung (Programm zu neu)
}
var securityContext = signatureVerifier.Validate(file.FullName);
if (enabledPlugins.Contains(type.FullName))
{
IPlugin plugin = (IPlugin)Activator.CreateInstance(type);
var pluginInfo = new PluginInfo(plugin, securityContext);
plugins.Add(pluginInfo);
if (plugin is IDisposable d)
{
disposablePlugins.Add(d);
}
}
else
{
var pluginInfo = new PluginInfo(type, securityContext);
plugins.Add(pluginInfo);
}
}
}
catch (FileLoadException)
{
warnings.Add(T._("Erweiterung {0} konnte nicht geladen werden, bitte überprüfen ob diese noch geblockt ist!", file.Name));
}
catch
{
}
}
return(warnings);
}
