ResourceElement Convert(ResourceInfo info)
{
var reader = info.dataReader;
reader.Position = info.offset;
IResourceData resourceData;
int type = info.flags & 0x7F;
switch (type) {
case 1: // bool
resourceData = dataCreator.Create(reader.ReadBoolean());
break;
case 2: // byte
resourceData = dataCreator.Create(reader.ReadByte());
break;
case 3: // byte[]
resourceData = dataCreator.Create(reader.ReadBytes(info.length));
break;
case 4: // char[]
resourceData = new CharArrayResourceData(dataCreator.CreateUserResourceType(CharArrayResourceData.ReflectionTypeName), reader.ReadChars(info.length));
break;
case 5: // sbyte
resourceData = dataCreator.Create(reader.ReadSByte());
break;
case 6: // char
resourceData = dataCreator.Create(reader.ReadChar());
break;
case 7: // decimal
resourceData = dataCreator.Create(reader.ReadDecimal());
break;
case 8: // double
resourceData = dataCreator.Create(reader.ReadDouble());
break;
case 9: // short
resourceData = dataCreator.Create(reader.ReadInt16());
break;
case 10: // int
resourceData = dataCreator.Create(reader.ReadInt32());
break;
case 11: // long
resourceData = dataCreator.Create(reader.ReadInt64());
break;
case 12: // float
resourceData = dataCreator.Create(reader.ReadSingle());
break;
case 13: // string
resourceData = dataCreator.Create(reader.ReadString());
break;
case 14: // ushort
resourceData = dataCreator.Create(reader.ReadUInt16());
break;
case 15: // uint
resourceData = dataCreator.Create(reader.ReadUInt32());
break;
case 16: // ulong
resourceData = dataCreator.Create(reader.ReadUInt64());
break;
case 17: // DateTime
resourceData = dataCreator.Create(DateTime.FromBinary(reader.ReadInt64()));
break;
case 18: // TimeSpan
resourceData = dataCreator.Create(TimeSpan.FromTicks(reader.ReadInt64()));
break;
case 19: // Icon
resourceData = new IconResourceData(dataCreator.CreateUserResourceType(IconResourceData.ReflectionTypeName), reader.ReadBytes(info.length));
break;
case 20: // Image
resourceData = new ImageResourceData(dataCreator.CreateUserResourceType(ImageResourceData.ReflectionTypeName), reader.ReadBytes(info.length));
break;
case 31: // binary
resourceData = dataCreator.CreateSerialized(reader.ReadBytes(info.length));
break;
case 21: // Point (CV doesn't restore this type)
default:
throw new Exception("Unknown type");
}
return new ResourceElement() {
Name = info.name,
ResourceData = resourceData,
};
}
public ResourceInfo[] read()
{
if (reader.ReadUInt32() != 0xBEEFCACE)
throw new InvalidDataException("Invalid magic");
if (reader.ReadUInt32() <= 0)
throw new InvalidDataException("Invalid number");
reader.ReadUInt32();
resourceReader = reader.ReadString();
if (Utils.StartsWith(resourceReader, "System.Resources.ResourceReader", StringComparison.Ordinal))
throw new InvalidDataException("Resource isn't encrypted");
resourceSet = reader.ReadString();
if (reader.ReadByte() != 1)
throw new ApplicationException("Invalid version");
int flags = reader.ReadByte();
if ((flags & 0xFC) != 0)
throw new ApplicationException("Invalid flags");
bool inflateData = (flags & 1) != 0;
bool encrypted = (flags & 2) != 0;
int numResources = reader.ReadInt32();
if (numResources < 0)
throw new ApplicationException("Invalid number of resources");
var infos = new ResourceInfo[numResources];
for (int i = 0; i < numResources; i++) {
var resourceName = readResourceName(reader, encrypted);
int offset = reader.ReadInt32();
byte resourceFlags = reader.ReadByte();
int resourceLength = (resourceFlags & 0x80) == 0 ? -1 : reader.ReadInt32();
infos[i] = new ResourceInfo(resourceName, resourceFlags, offset, resourceLength);
}
var dataReader = reader;
if (encrypted) {
var key = new uint[4];
key[0] = dataReader.ReadUInt32();
key[1] = dataReader.ReadUInt32();
int numDwords = dataReader.ReadInt32();
if (numDwords < 0 || numDwords >= 0x40000000)
throw new ApplicationException("Invalid number of encrypted dwords");
var encryptedData = new uint[numDwords];
for (int i = 0; i < numDwords; i++)
encryptedData[i] = dataReader.ReadUInt32();
key[2] = dataReader.ReadUInt32();
key[3] = dataReader.ReadUInt32();
DeobUtils.xxteaDecrypt(encryptedData, key);
byte[] decryptedData = new byte[encryptedData.Length * 4];
Buffer.BlockCopy(encryptedData, 0, decryptedData, 0, decryptedData.Length);
dataReader = new BinaryReader(new MemoryStream(decryptedData));
}
if (inflateData) {
var data = dataReader.ReadBytes((int)(dataReader.BaseStream.Length - dataReader.BaseStream.Position));
data = DeobUtils.inflate(data, true);
dataReader = new BinaryReader(new MemoryStream(data));
}
foreach (var info in infos)
info.dataReader = dataReader;
return infos;
}
public ResourceConverter(ModuleDefMD module, ResourceInfo[] infos)
{
this.module = module;
this.dataCreator = new MyResourceDataCreator(module);
this.infos = infos;
}
ResourceElement Convert(ResourceInfo info)
{
var reader = info.dataReader;
reader.Position = info.offset;
IResourceData resourceData;
int type = info.flags & 0x7F;
switch (type)
{
case 1: // bool
resourceData = dataCreator.Create(reader.ReadBoolean());
break;
case 2: // byte
resourceData = dataCreator.Create(reader.ReadByte());
break;
case 3: // byte[]
resourceData = dataCreator.Create(reader.ReadBytes(info.length));
break;
case 4: // char[]
resourceData = new CharArrayResourceData(dataCreator.CreateUserResourceType(CharArrayResourceData.ReflectionTypeName), reader.ReadChars(info.length));
break;
case 5: // sbyte
resourceData = dataCreator.Create(reader.ReadSByte());
break;
case 6: // char
resourceData = dataCreator.Create(reader.ReadChar());
break;
case 7: // decimal
resourceData = dataCreator.Create(reader.ReadDecimal());
break;
case 8: // double
resourceData = dataCreator.Create(reader.ReadDouble());
break;
case 9: // short
resourceData = dataCreator.Create(reader.ReadInt16());
break;
case 10: // int
resourceData = dataCreator.Create(reader.ReadInt32());
break;
case 11: // long
resourceData = dataCreator.Create(reader.ReadInt64());
break;
case 12: // float
resourceData = dataCreator.Create(reader.ReadSingle());
break;
case 13: // string
resourceData = dataCreator.Create(reader.ReadString());
break;
case 14: // ushort
resourceData = dataCreator.Create(reader.ReadUInt16());
break;
case 15: // uint
resourceData = dataCreator.Create(reader.ReadUInt32());
break;
case 16: // ulong
resourceData = dataCreator.Create(reader.ReadUInt64());
break;
case 17: // DateTime
resourceData = dataCreator.Create(DateTime.FromBinary(reader.ReadInt64()));
break;
case 18: // TimeSpan
resourceData = dataCreator.Create(TimeSpan.FromTicks(reader.ReadInt64()));
break;
case 19: // Icon
resourceData = new IconResourceData(dataCreator.CreateUserResourceType(IconResourceData.ReflectionTypeName), reader.ReadBytes(info.length));
break;
case 20: // Image
resourceData = new ImageResourceData(dataCreator.CreateUserResourceType(ImageResourceData.ReflectionTypeName), reader.ReadBytes(info.length));
break;
case 31: // binary
resourceData = dataCreator.CreateSerialized(reader.ReadBytes(info.length));
break;
case 21: // Point (CV doesn't restore this type)
default:
throw new Exception("Unknown type");
}
return(new ResourceElement()
{
Name = info.name,
ResourceData = resourceData,
});
}
