public RPF7File(Stream inputStream, String filname = "")
{
this.Filename = filname;
Stream = inputStream;
Info = new Structs.RPF7Header(Stream);
if (new string(Info.Magic) != "RPF7")
{
throw new Exception("Invalid RPF Magic");
}
sixteenRoundsDecrypt = (Info.Flag >> 28) == 0xf;
if (sixteenRoundsDecrypt)
{
throw new Exception("Needed to be tested first");
}
using (BinaryReader binaryStream = new BinaryReader(AES.DecryptStream(new StreamKeeper(this.Stream), sixteenRoundsDecrypt)))
{
MemoryStream entriesInfo = new MemoryStream(binaryStream.ReadBytes(0x10 * Info.EntriesCount));
MemoryStream filenames = new MemoryStream(binaryStream.ReadBytes(Info.EntriesNamesLength));
this.Root = Entry.CreateFromHeader(new Structs.RPF7EntryInfoTemplate(entriesInfo), this, entriesInfo, filenames);
}
if (!(this.Root is DirectoryEntry))
{
throw new Exception("Expected root to be directory");
}
}
public RPF7File(Stream inputStream, String filname = "")
{
this.Filename = filname;
Stream = inputStream;
Info = new Structs.RPF7Header(Stream);
if (new string(Info.Magic) != "RPF7")
{
throw new Exception("Invalid RPF Magic");
}
sixteenRoundsDecrypt = (Info.Flag >> 28) == 0xf;
if (sixteenRoundsDecrypt)
{
throw new Exception("Needed to be tested first");
}
using (BinaryReader binaryStream = new BinaryReader(AES.DecryptStream(new StreamKeeper(this.Stream), sixteenRoundsDecrypt)))
{
MemoryStream entriesInfo = new MemoryStream(binaryStream.ReadBytes(0x10 * Info.EntriesCount));
MemoryStream filenames = new MemoryStream(binaryStream.ReadBytes(Info.EntriesNamesLength));
this.Root = Entry.CreateFromHeader(new Structs.RPF7EntryInfoTemplate(entriesInfo), this, entriesInfo, filenames);
}
if (!(this.Root is DirectoryEntry))
{
throw new Exception("Expected root to be directory");
}
}