public void Deserialize(Stream input)
{
var magic = input.ReadValueU32(false);
input.Seek(-4, SeekOrigin.Current);
if (magic == CDRMFile.Magic)
{
input = CDRMFile.Decompress(input);
}
if (input.Position + 32 > input.Length)
{
throw new FormatException("not enough data for header");
}
var version = input.ReadValueU32();
if (version != 19 && version.Swap() != 19 &&
version != 21 && version.Swap() != 21)
{
throw new FormatException();
}
this.LittleEndian =
version == 19 ||
version == 21;
this.Version = this.LittleEndian == true ? version : version.Swap();
if (this.Version == 19)
{
throw new NotSupportedException();
}
var unknown04_Size = input.ReadValueU32(this.LittleEndian);
var unknown08_Size = input.ReadValueU32(this.LittleEndian);
var unknown0C = input.ReadValueU32(this.LittleEndian); // extra data after first block?
var unknown10 = input.ReadValueU32(this.LittleEndian);
this.Flags = input.ReadValueU32(this.LittleEndian);
var sectionCount = input.ReadValueU32(this.LittleEndian);
var unknown1C_Count = input.ReadValueU32(this.LittleEndian);
if (unknown0C != 0)
{
throw new FormatException();
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
}
var sectionHeaders = new DRM.SectionHeader[sectionCount];
for (uint i = 0; i < sectionCount; i++)
{
sectionHeaders[i] = new DRM.SectionHeader();
sectionHeaders[i].Deserialize(input, this.LittleEndian);
}
this.Unknown08s.Clear();
using (var unknown08_Data = input.ReadToMemoryStream(unknown08_Size))
{
while (unknown08_Data.Position < unknown08_Data.Length)
{
this.Unknown08s.Add(unknown08_Data.ReadStringZ(Encoding.ASCII));
}
}
this.Unknown04s.Clear();
using (var unknown04_Data = input.ReadToMemoryStream(unknown04_Size))
{
while (unknown04_Data.Position < unknown04_Data.Length)
{
this.Unknown04s.Add(unknown04_Data.ReadStringZ(Encoding.ASCII));
}
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
var sections = new DRM.Section[sectionCount];
for (int i = 0; i < sectionCount; i++)
{
var sectionHeader = sectionHeaders[i];
var section = new DRM.Section();
section.Id = sectionHeader.Id;
section.Type = sectionHeader.Type;
section.Flags = (byte)(sectionHeader.Flags & 0xFF);
section.Unknown05 = sectionHeader.Unknown05;
section.Unknown06 = sectionHeader.Unknown06;
section.Unknown10 = sectionHeader.Unknown10;
if ((sectionHeader.Unknown05 & 1) != 0)
{
throw new NotImplementedException();
}
if (sectionHeader.HeaderSize > 0)
{
using (var buffer = input.ReadToMemoryStream(sectionHeader.HeaderSize))
{
var resolver = new DRM.Resolver();
resolver.Deserialize(buffer, this.LittleEndian);
section.Resolver = resolver;
}
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
if (sectionHeader.DataSize > 0)
{
section.Data = input.ReadToMemoryStream(sectionHeader.DataSize);
}
else
{
section.Data = null;
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
sections[i] = section;
}
this.Sections.Clear();
this.Sections.AddRange(sections);
}
public void Deserialize(Stream input)
{
var magic = input.ReadValueU32(false);
input.Seek(-4, SeekOrigin.Current);
if (magic == CDRMFile.Magic)
{
input = CDRMFile.Decompress(input);
}
if (input.Position + 32 > input.Length)
{
throw new FormatException("not enough data for header");
}
var version = input.ReadValueU32();
if (version != 19 && version.Swap() != 19 &&
version != 21 && version.Swap() != 21)
{
throw new FormatException();
}
this.LittleEndian =
version == 19 ||
version == 21;
this.Version = this.LittleEndian == true ? version : version.Swap();
if (this.Version == 19)
{
throw new NotSupportedException();
}
var unknown04_Size = input.ReadValueU32(this.LittleEndian);
var unknown08_Size = input.ReadValueU32(this.LittleEndian);
var unknown0C = input.ReadValueU32(this.LittleEndian); // extra data after first block?
var unknown10 = input.ReadValueU32(this.LittleEndian);
this.Flags = input.ReadValueU32(this.LittleEndian);
var sectionCount = input.ReadValueU32(this.LittleEndian);
var unknown1C_Count = input.ReadValueU32(this.LittleEndian);
if (unknown0C != 0)
{
throw new FormatException();
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
}
var sectionHeaders = new DRM.SectionHeader[sectionCount];
for (uint i = 0; i < sectionCount; i++)
{
sectionHeaders[i] = new DRM.SectionHeader();
sectionHeaders[i].Deserialize(input, this.LittleEndian);
}
this.Unknown08s.Clear();
using (var unknown08_Data = input.ReadToMemoryStream(unknown08_Size))
{
while (unknown08_Data.Position < unknown08_Data.Length)
{
this.Unknown08s.Add(unknown08_Data.ReadStringZ(Encoding.ASCII));
}
}
this.Unknown04s.Clear();
using (var unknown04_Data = input.ReadToMemoryStream(unknown04_Size))
{
while (unknown04_Data.Position < unknown04_Data.Length)
{
this.Unknown04s.Add(unknown04_Data.ReadStringZ(Encoding.ASCII));
}
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
var sections = new DRM.Section[sectionCount];
for (int i = 0; i < sectionCount; i++)
{
var sectionHeader = sectionHeaders[i];
var section = new DRM.Section();
section.Id = sectionHeader.Id;
section.Type = sectionHeader.Type;
section.Flags = (byte)(sectionHeader.Flags & 0xFF);
section.Unknown05 = sectionHeader.Unknown05;
section.Unknown06 = sectionHeader.Unknown06;
section.Unknown10 = sectionHeader.Unknown10;
if ((sectionHeader.Unknown05 & 1) != 0)
{
throw new NotImplementedException();
}
if (sectionHeader.HeaderSize > 0)
{
using (var buffer = input.ReadToMemoryStream(sectionHeader.HeaderSize))
{
var resolver = new DRM.Resolver();
resolver.Deserialize(buffer, this.LittleEndian);
section.Resolver = resolver;
}
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
if (sectionHeader.DataSize > 0)
{
section.Data = input.ReadToMemoryStream(sectionHeader.DataSize);
}
else
{
section.Data = null;
}
if ((this.Flags & 1) != 0)
{
input.Seek(input.Position.Align(16), SeekOrigin.Begin);
}
sections[i] = section;
}
this.Sections.Clear();
this.Sections.AddRange(sections);
}
