/// <summary>
/// Returns the strong name of passed assembly if it is has a sign;
/// otherwise returns null.
/// </summary>
/// <param name="assembly">The assembly that strong name the method will return.</param>
/// <returns>The strong name of passed assembly if it is has a sign;
/// otherwise returns null.</returns>
private static StrongName GetStrongName(Assembly assembly)
{
AssemblyName assemblyName = assembly.GetName();
byte[] publicKey = assemblyName.GetPublicKey();
if (publicKey == null || publicKey.Length == 0)
{
OnNotLoaded?.Invoke(assemblyName.Name);
return(null);
}
StrongNamePublicKeyBlob keyBlob = new StrongNamePublicKeyBlob(publicKey);
return(new StrongName(keyBlob, assemblyName.Name, assemblyName.Version));
}
/// <summary>
/// Adds signed plugins to this <see cref="AggregateCatalog"/>.
/// </summary>
/// <param name="ac">A catalog that will contain signed plugins.</param>
/// <param name="dc">A catalog with all available plugins.</param>
private static void AddSignedPlugins(AggregateCatalog ac, DirectoryCatalog dc)
{
foreach (string assemblyPath in dc.LoadedFiles)
{
StrongName assemblyStrongName = GetStrongName(Assembly.LoadFile(assemblyPath));
if (assemblyStrongName == null)
{
continue;
}
if (assemblyStrongName.PublicKey.Equals(ThisAppStrongName.PublicKey))
{
AssemblyCatalog plugin = new AssemblyCatalog(assemblyPath);
//string types = string.Empty;
//string interfaces = string.Empty;
//foreach (Type type in pluginAc.Assembly.GetTypes())
//{
// foreach (Type interf in type.GetInterfaces())
// {
// interfaces += interf.ToString();
// }
// types += type.BaseType.ToString();
//}
//MessageBox.Show(
// types + '\n' + interfaces,
// "Type of DLL",
// MessageBoxButtons.OK,
// MessageBoxIcon.Information);
// aggrCatalog.Catalogs.Contains(...)) - not working.
if (!IsAlreadyLoaded(ac, plugin))
{
ac.Catalogs.Add(plugin);
OnLoaded?.Invoke(assemblyStrongName.Name);
}
}
else
{
OnNotLoaded?.Invoke(assemblyStrongName.Name);
}
}
}