private void ParseIndex(Stream stream, int i)
{
using (var br = new BinaryReader(stream))
{
stream.Seek(-12, SeekOrigin.End);
int count = br.ReadInt32();
stream.Seek(0, SeekOrigin.Begin);
if (count * (16 + 4 + 4) > stream.Length)
throw new Exception("ParseIndex failed");
for (int j = 0; j < count; ++j)
{
byte[] key = br.ReadBytes(16);
if (key.IsZeroed()) // wtf?
key = br.ReadBytes(16);
if (key.IsZeroed()) // wtf?
throw new Exception("key.IsZeroed()");
IndexEntry entry = new IndexEntry();
entry.Index = i;
entry.Size = br.ReadInt32BE();
entry.Offset = br.ReadInt32BE();
CDNIndexData.Add(key, entry);
}
}
}
protected Stream OpenFileOnlineInternal(IndexEntry idxInfo, MD5Hash key)
{
if (idxInfo != null)
{
Stream s = CDNIndex.OpenDataFile(idxInfo);
return new BLTEStream(s, key);
}
else
{
Stream s = CDNIndex.OpenDataFileDirect(key);
return new BLTEStream(s, key);
}
}
private void ParseIndex(string idx)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] key = br.ReadBytes(9);
byte indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (indexHigh << 2 | (byte)((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
LocalIndexData.Add(key, info);
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
//for (int i = 0; i < numBlocks; i++)
//{
// var bytes = br.ReadBytes(18); // unknown data
//}
//if (fs.Position != fs.Length)
// throw new Exception("idx file under read");
}
}
private CASCHandler(CASCConfig config, CDNHandler cdn, BackgroundWorker worker)
{
this.config = config;
this.cdn = cdn;
if (!config.OnlineMode)
{
var idxFiles = GetIdxFiles(this.config.BasePath);
if (idxFiles.Count == 0)
throw new FileNotFoundException("idx files missing!");
if (worker != null) worker.ReportProgress(0);
int idxIndex = 0;
foreach (var idx in idxFiles)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] key = br.ReadBytes(9);
int indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (int)((byte)(indexHigh << 2) | ((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
LocalIndexData.Add(key, info);
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
//for (int i = 0; i < numBlocks; i++)
//{
// var bytes = br.ReadBytes(18); // unknown data
//}
if (fs.Position != fs.Position)
throw new Exception("idx file under read");
}
if (worker != null) worker.ReportProgress((int)((float)++idxIndex / (float)idxFiles.Count * 100));
}
Logger.WriteLine("CASCHandler: loaded {0} indexes", LocalIndexData.Count);
}
if (worker != null) worker.ReportProgress(0);
using (var fs = OpenEncodingFile())
using (var br = new BinaryReader(fs))
{
br.ReadBytes(2); // EN
byte b1 = br.ReadByte();
byte b2 = br.ReadByte();
byte b3 = br.ReadByte();
ushort s1 = br.ReadUInt16();
ushort s2 = br.ReadUInt16();
int numEntries = br.ReadInt32BE();
int i1 = br.ReadInt32BE();
byte b4 = br.ReadByte();
int entriesOfs = br.ReadInt32BE();
fs.Position += entriesOfs; // skip strings
fs.Position += numEntries * 32;
//for (int i = 0; i < numEntries; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
for (int i = 0; i < numEntries; ++i)
{
ushort keysCount;
while ((keysCount = br.ReadUInt16()) != 0)
{
int fileSize = br.ReadInt32BE();
byte[] md5 = br.ReadBytes(16);
var entry = new EncodingEntry();
entry.Size = fileSize;
for (int ki = 0; ki < keysCount; ++ki)
{
byte[] key = br.ReadBytes(16);
entry.Keys.Add(key);
}
//Encodings[md5] = entry;
EncodingData.Add(md5, entry);
}
//br.ReadBytes(28);
while (br.PeekChar() == 0)
fs.Position++;
if (worker != null) worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
//var pos = br.BaseStream.Position;
//for (int i = 0; i < i1; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
Logger.WriteLine("CASCHandler: loaded {0} encoding data", EncodingData.Count);
}
if (worker != null) worker.ReportProgress(0);
using (var fs = OpenRootFile())
using (var br = new BinaryReader(fs))
{
while (fs.Position < fs.Length)
{
int count = br.ReadInt32();
RootBlock block = new RootBlock();
block.Unk1 = br.ReadUInt32();
block.Flags = (LocaleFlags)br.ReadUInt32();
if (block.Flags == LocaleFlags.None)
throw new Exception("block.Flags == LocaleFlags.None");
RootEntry[] entries = new RootEntry[count];
for (var i = 0; i < count; ++i)
{
entries[i] = new RootEntry();
entries[i].Block = block;
entries[i].Unk1 = br.ReadInt32();
}
for (var i = 0; i < count; ++i)
{
entries[i].MD5 = br.ReadBytes(16);
ulong hash = br.ReadUInt64();
entries[i].Hash = hash;
// don't load other locales
//if (block.Flags != LocaleFlags.All && (block.Flags & LocaleFlags.enUS) == 0)
// continue;
if (!RootData.ContainsKey(hash))
{
RootData[hash] = new List<RootEntry>();
RootData[hash].Add(entries[i]);
}
else
RootData[hash].Add(entries[i]);
}
if (worker != null) worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
Logger.WriteLine("CASCHandler: loaded {0} root data", RootData.Count);
}
if (worker != null) worker.ReportProgress(0);
}
private unsafe void ParseIndex(string idx)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
//byte[] buf = new byte[8];
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] keyBytes = br.ReadBytes(9);
Array.Resize(ref keyBytes, 16);
MD5Hash key;
fixed (byte *ptr = keyBytes)
key = *(MD5Hash*)ptr;
byte indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (indexHigh << 2 | (byte)((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
//for (int j = 3; j < 8; j++)
// buf[7 - j] = br.ReadByte();
//long val = BitConverter.ToInt64(buf, 0);
//info.Index = (int)(val / 0x40000000);
//info.Offset = (int)(val % 0x40000000);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
LocalIndexData.Add(key, info);
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
//for (int i = 0; i < numBlocks; i++)
//{
// var bytes = br.ReadBytes(18); // unknown data
//}
//if (fs.Position != fs.Length)
// throw new Exception("idx file under read");
}
}
public Stream OpenDataFile(IndexEntry entry)
{
var archive = config.Archives[entry.Index];
string file = config.CDNPath + "/data/" + archive.Substring(0, 2) + "/" + archive.Substring(2, 2) + "/" + archive;
string url = "http://" + config.CDNHost + "/" + file;
Stream stream = Cache.OpenFile(file, url, true);
if (stream != null)
{
stream.Position = entry.Offset;
MemoryStream ms = new MemoryStream(entry.Size);
stream.CopyBytes(ms, entry.Size);
ms.Position = 0;
return ms;
}
//using (HttpClient client = new HttpClient())
//{
// client.DefaultRequestHeaders.Range = new RangeHeaderValue(entry.Offset, entry.Offset + entry.Size - 1);
// var resp = client.GetStreamAsync(url).Result;
// MemoryStream ms = new MemoryStream(entry.Size);
// resp.CopyBytes(ms, entry.Size);
// ms.Position = 0;
// return ms;
//}
HttpWebRequest req = WebRequest.CreateHttp(url);
//req.Headers[HttpRequestHeader.Range] = string.Format("bytes={0}-{1}", entry.Offset, entry.Offset + entry.Size - 1);
req.AddRange(entry.Offset, entry.Offset + entry.Size - 1);
using (HttpWebResponse resp = (HttpWebResponse)req.GetResponseAsync().Result)
{
MemoryStream ms = new MemoryStream(entry.Size);
resp.GetResponseStream().CopyBytes(ms, entry.Size);
ms.Position = 0;
return ms;
}
}
public Stream OpenDataFile(IndexEntry entry)
{
var archive = CASCConfig.Archives[entry.Index];
string file = CASCConfig.CDNPath + "/data/" + archive.Substring(0, 2) + "/" + archive.Substring(2, 2) + "/" + archive;
string url = "http://" + CASCConfig.CDNHost + "/" + file;
Stream stream = Cache.OpenFile(file, url, true);
if (stream != null)
{
stream.Position = entry.Offset;
MemoryStream ms = new MemoryStream(entry.Size);
stream.CopyBytes(ms, entry.Size);
ms.Position = 0;
return ms;
}
HttpWebRequest req = WebRequest.CreateHttp(url);
req.AddRange(entry.Offset, entry.Offset + entry.Size - 1);
using (HttpWebResponse resp = (HttpWebResponse)req.GetResponse())
{
MemoryStream ms = new MemoryStream(entry.Size);
resp.GetResponseStream().CopyBytes(ms, entry.Size);
ms.Position = 0;
return ms;
}
}
protected Stream GetLocalDataStreamInternal(IndexEntry idxInfo, MD5Hash key)
{
if (idxInfo == null)
throw new Exception("local index missing");
Stream dataStream = GetDataStream(idxInfo.Index);
dataStream.Position = idxInfo.Offset;
using (BinaryReader reader = new BinaryReader(dataStream, Encoding.ASCII, true))
{
byte[] md5 = reader.ReadBytes(16);
Array.Reverse(md5);
if (!key.EqualsTo(md5))
throw new Exception("local data corrupted");
int size = reader.ReadInt32();
if (size != idxInfo.Size)
throw new Exception("local data corrupted");
//byte[] unkData1 = reader.ReadBytes(2);
//byte[] unkData2 = reader.ReadBytes(8);
dataStream.Position += 10;
byte[] data = reader.ReadBytes(idxInfo.Size - 30);
return new MemoryStream(data);
}
}
protected void ExtractFileOnlineInternal(IndexEntry idxInfo, MD5Hash key, string path, string name)
{
if (idxInfo != null)
{
using (Stream s = CDNIndex.OpenDataFile(idxInfo))
using (BLTEStream blte = new BLTEStream(s, key))
{
blte.ExtractToFile(path, name);
}
}
else
{
using (Stream s = CDNIndex.OpenDataFileDirect(key))
using (BLTEStream blte = new BLTEStream(s, key))
{
blte.ExtractToFile(path, name);
}
}
}
public CASCHandler(CASCFolder root, BackgroundWorker worker)
{
if (!OnlineMode)
{
var idxFiles = GetIdxFiles(Properties.Settings.Default.WowPath);
if (idxFiles.Count == 0)
throw new FileNotFoundException("idx files missing!");
worker.ReportProgress(0);
int idxIndex = 0;
foreach (var idx in idxFiles)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] key = br.ReadBytes(9);
int indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (int)((byte)(indexHigh << 2) | ((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
LocalIndexData.Add(key, info);
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
//for (int i = 0; i < numBlocks; i++)
//{
// var bytes = br.ReadBytes(18); // unknown data
//}
if (fs.Position != fs.Position)
throw new Exception("idx file under read");
}
worker.ReportProgress((int)((float)++idxIndex / (float)idxFiles.Count * 100));
}
Logger.WriteLine("CASCHandler: loaded {0} indexes", LocalIndexData.Count);
}
worker.ReportProgress(0);
using (var fs = OpenEncodingFile())
using (var br = new BinaryReader(fs))
{
br.ReadBytes(2); // EN
byte b1 = br.ReadByte();
byte b2 = br.ReadByte();
byte b3 = br.ReadByte();
ushort s1 = br.ReadUInt16();
ushort s2 = br.ReadUInt16();
int numEntries = br.ReadInt32BE();
int i1 = br.ReadInt32BE();
byte b4 = br.ReadByte();
int entriesOfs = br.ReadInt32BE();
fs.Position += entriesOfs; // skip strings
fs.Position += numEntries * 32;
//for (int i = 0; i < numEntries; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
for (int i = 0; i < numEntries; ++i)
{
ushort keysCount;
while ((keysCount = br.ReadUInt16()) != 0)
{
int fileSize = br.ReadInt32BE();
byte[] md5 = br.ReadBytes(16);
var entry = new EncodingEntry();
entry.Size = fileSize;
for (int ki = 0; ki < keysCount; ++ki)
{
byte[] key = br.ReadBytes(16);
entry.Keys.Add(key);
}
//Encodings[md5] = entry;
EncodingData.Add(md5, entry);
}
//br.ReadBytes(28);
while (br.PeekChar() == 0)
fs.Position++;
worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
//var pos = br.BaseStream.Position;
//for (int i = 0; i < i1; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
Logger.WriteLine("CASCHandler: loaded {0} encoding data", EncodingData.Count);
}
worker.ReportProgress(0);
using (var fs = OpenRootFile())
using (var br = new BinaryReader(fs))
{
while (fs.Position < fs.Length)
{
int count = br.ReadInt32();
RootBlock block = new RootBlock();
block.Unk1 = br.ReadUInt32();
block.Flags = (LocaleFlags)br.ReadUInt32();
if (block.Flags == LocaleFlags.None)
throw new Exception("block.Flags == LocaleFlags.None");
RootEntry[] entries = new RootEntry[count];
for (var i = 0; i < count; ++i)
{
entries[i] = new RootEntry();
entries[i].Block = block;
entries[i].Unk1 = br.ReadInt32();
}
for (var i = 0; i < count; ++i)
{
entries[i].MD5 = br.ReadBytes(16);
ulong hash = br.ReadUInt64();
entries[i].Hash = hash;
// don't load other locales
//if (block.Flags != LocaleFlags.All && (block.Flags & LocaleFlags.enUS) == 0)
// continue;
if (!RootData.ContainsKey(hash))
{
RootData[hash] = new List<RootEntry>();
RootData[hash].Add(entries[i]);
}
else
RootData[hash].Add(entries[i]);
}
worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
Logger.WriteLine("CASCHandler: loaded {0} root data", RootData.Count);
}
worker.ReportProgress(0);
if (File.Exists(listFile))
{
FolderNames[Hasher.ComputeHash("root")] = "root";
using (StreamReader sr = new StreamReader(listFile))
{
string file;
int filesCount = 0;
CASCFolder folder = root;
while ((file = sr.ReadLine()) != null)
{
ulong fileHash = Hasher.ComputeHash(file);
// skip invalid names
if (!RootData.ContainsKey(fileHash))
{
Logger.WriteLine("Invalid file name: {0}", file);
continue;
}
filesCount++;
string[] parts = file.Split('\\');
for (int i = 0; i < parts.Length; ++i)
{
bool isFile = (i == parts.Length - 1);
ulong hash = isFile ? fileHash : Hasher.ComputeHash(parts[i]);
ICASCEntry entry = folder.GetEntry(hash);
if (entry == null)
{
if (isFile)
{
entry = new CASCFile(hash);
FileNames[hash] = file;
}
else
{
entry = new CASCFolder(hash);
FolderNames[hash] = parts[i];
}
folder.SubEntries[hash] = entry;
if (isFile)
{
folder = root;
break;
}
}
folder = entry as CASCFolder;
}
if ((filesCount % 1000) == 0)
worker.ReportProgress((int)((float)sr.BaseStream.Position / (float)sr.BaseStream.Length * 100));
}
Logger.WriteLine("CASCHandler: loaded {0} file names", FileNames.Count);
}
}
else
{
throw new FileNotFoundException("list file missing!");
}
}
