public static void CheckAssembly()
{
try
{
var path = (string)AppDomain.CurrentDomain.GetData(_assemblyKey);
var loader = new PluginsAndWorkflowLoader();
AssemblyReaderResult result = loader.LoadAssembly(path);
byte[] fileBody = null;
DataContractSerializer ser = new DataContractSerializer(typeof(AssemblyReaderResult));
using (var memoryStream = new MemoryStream())
{
ser.WriteObject(memoryStream, result);
memoryStream.Seek(0, SeekOrigin.Begin);
fileBody = memoryStream.ToArray();
}
AppDomain.CurrentDomain.SetData(_resultKey, fileBody);
}
catch (Exception ex)
{
DTEHelper.WriteExceptionToLog(ex);
}
}
internal AssemblyReaderResult ReadAssembly(string assemblyPath)
{
try
{
_domain.SetData(_assemblyKey, assemblyPath);
_domain.DoCallBack(new CrossAppDomainDelegate(CheckAssembly));
var check = _domain.GetData(_resultKey);
if (check != null &&
check is byte[] arraySerialized &&
arraySerialized.Length > 0
)
{
AssemblyReaderResult result = null;
DataContractSerializer ser = new DataContractSerializer(typeof(AssemblyReaderResult));
using (var memoryStream = new MemoryStream())
{
memoryStream.Write(arraySerialized, 0, arraySerialized.Length);
memoryStream.Seek(0, SeekOrigin.Begin);
result = ser.ReadObject(memoryStream) as AssemblyReaderResult;
}
return(result);
}
}
catch (Exception ex)
{
DTEHelper.WriteExceptionToOutput(null, ex);
}
return(null);
}
public AssemblyReaderResult LoadAssembly(string assemblyPath)
{
this._assemblyDirectory = Path.GetDirectoryName(assemblyPath);
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve -= Domain_ReflectionOnlyAssemblyResolve;
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve -= Domain_ReflectionOnlyAssemblyResolve;
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve += Domain_ReflectionOnlyAssemblyResolve;
var assembly = Assembly.ReflectionOnlyLoadFrom(assemblyPath);
var assemblyName = assembly.GetName();
AssemblyReaderResult result = new AssemblyReaderResult()
{
FilePath = assemblyPath,
FileName = Path.GetFileName(assemblyPath),
Name = assemblyName.Name,
FullName = assemblyName.FullName,
Version = assemblyName.Version.ToString(),
};
if (assemblyName.CultureInfo.LCID == System.Globalization.CultureInfo.InvariantCulture.LCID)
{
result.Culture = "neutral";
}
else
{
result.Culture = assemblyName.CultureInfo.Name;
}
byte[] tokenBytes = assemblyName.GetPublicKeyToken();
if (tokenBytes == null || tokenBytes.Length == 0)
{
result.PublicKeyToken = null;
}
else
{
result.PublicKeyToken = string.Join(string.Empty, tokenBytes.Select(b => b.ToString("X2")));
}
HashSet<string> assemblyPlugins = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
HashSet<string> assemblyWorkflow = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
Type[] loadedAssemblyTypes = assembly.GetTypes();
if (loadedAssemblyTypes != null)
{
foreach (var assemblyType in loadedAssemblyTypes)
{
if (assemblyType.IsAbstract || !assemblyType.IsVisible || assemblyType.FullName.Contains("<>c"))
{
continue;
}
if (IsPluginClass(assemblyType))
{
assemblyPlugins.Add(assemblyType.FullName);
}
else if (IsSubClassOfCodeActivity(assemblyType))
{
assemblyWorkflow.Add(assemblyType.FullName);
}
}
}
result.Plugins = new List<string>(assemblyPlugins.OrderBy(s => s));
result.Workflows = new List<string>(assemblyWorkflow.OrderBy(s => s));
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve -= Domain_ReflectionOnlyAssemblyResolve;
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve -= Domain_ReflectionOnlyAssemblyResolve;
return result;
}