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/*
Copyright (C) 2011-2015 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Reflection;
using System.Threading;
namespace AssemblyData {
public abstract class AssemblyService : MarshalByRefObject, IAssemblyService {
ManualResetEvent exitEvent = new ManualResetEvent(false);
protected Assembly assembly = null;
AssemblyResolver assemblyResolver = new AssemblyResolver();
public static AssemblyService Create(AssemblyServiceType serviceType) {
switch (serviceType) {
case AssemblyServiceType.StringDecrypter:
return new StringDecrypterService();
case AssemblyServiceType.MethodDecrypter:
return new MethodDecrypterService();
case AssemblyServiceType.Generic:
return new GenericService();
default:
throw new ArgumentException("Invalid assembly service type");
}
}
public static Type GetType(AssemblyServiceType serviceType) {
switch (serviceType) {
case AssemblyServiceType.StringDecrypter:
return typeof(StringDecrypterService);
case AssemblyServiceType.MethodDecrypter:
return typeof(MethodDecrypterService);
case AssemblyServiceType.Generic:
return typeof(GenericService);
default:
throw new ArgumentException("Invalid assembly service type");
}
}
public void DoNothing() {
}
public virtual void Exit() {
exitEvent.Set();
}
public void WaitExit() {
exitEvent.WaitOne();
}
public override object InitializeLifetimeService() {
return null;
}
protected void CheckAssembly() {
if (assembly == null)
throw new ApplicationException("LoadAssembly() hasn't been called yet.");
}
protected void LoadAssemblyInternal(string filename) {
if (assembly != null)
throw new ApplicationException("Only one assembly can be explicitly loaded");
try {
assembly = assemblyResolver.Load(filename);
}
catch (BadImageFormatException ex) {
throw new ApplicationException(string.Format("Could not load assembly {0}. Maybe it's 32-bit or 64-bit only?", filename), ex);
}
}
}
}
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