80 lines
2.5 KiB
C#
80 lines
2.5 KiB
C#
/*
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Copyright (C) 2011-2015 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using dnlib.DotNet;
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namespace de4dot.code.deobfuscators.SmartAssembly {
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class AssemblyResolver {
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ResourceDecrypter resourceDecrypter;
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AssemblyResolverInfo assemblyResolverInfo;
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public AssemblyResolver(ResourceDecrypter resourceDecrypter, AssemblyResolverInfo assemblyResolverInfo) {
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this.resourceDecrypter = resourceDecrypter;
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this.assemblyResolverInfo = assemblyResolverInfo;
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}
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public bool ResolveResources() {
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return assemblyResolverInfo.ResolveResources();
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}
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public bool CanDecryptResource(EmbeddedAssemblyInfo info) {
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if (info == null || !info.isCompressed)
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return true;
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return resourceDecrypter.CanDecrypt;
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}
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public IEnumerable<Tuple<EmbeddedAssemblyInfo, byte[]>> GetDecryptedResources() {
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var returned = new Dictionary<Resource, bool>();
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foreach (var info in assemblyResolverInfo.EmbeddedAssemblyInfos) {
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if (info.resource == null) {
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Logger.w("Could not find embedded resource {0}", Utils.ToCsharpString(info.resourceName));
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continue;
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}
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if (returned.ContainsKey(info.resource))
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continue;
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returned[info.resource] = true;
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yield return new Tuple<EmbeddedAssemblyInfo, byte[]> {
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Item1 = info,
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Item2 = DecryptResource(info),
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};
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}
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}
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public byte[] RemoveDecryptedResource(EmbeddedAssemblyInfo info) {
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if (info == null)
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return null;
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var data = DecryptResource(info);
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if (!assemblyResolverInfo.RemoveEmbeddedAssemblyInfo(info))
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throw new ApplicationException(string.Format("Could not remove resource {0}", Utils.ToCsharpString(info.resourceName)));
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return data;
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}
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byte[] DecryptResource(EmbeddedAssemblyInfo info) {
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if (info.isCompressed)
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return resourceDecrypter.Decrypt(info.resource);
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else
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return info.resource.GetResourceData();
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}
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}
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}
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