Ejemplo n.º 1
0
        public static async Task <RootFile> GetRoot(string hash, bool parseIt = false)
        {
            var root = new RootFile
            {
                entriesLookup = new MultiDictionary <ulong, RootEntry>(),
                entriesFDID   = new MultiDictionary <uint, RootEntry>(),
            };

            byte[] content = await CDNCache.Get("data", hash);

            if (!parseIt)
            {
                return(root);
            }

            var namedCount   = 0;
            var unnamedCount = 0;
            var newRoot      = false;

            using (MemoryStream ms = new MemoryStream(BLTE.Parse(content)))
                using (BinaryReader bin = new BinaryReader(ms))
                {
                    var header = bin.ReadUInt32();
                    if (header == 1296454484)
                    {
                        uint totalFiles = bin.ReadUInt32();
                        uint namedFiles = bin.ReadUInt32();
                        newRoot = true;
                    }
                    else
                    {
                        bin.BaseStream.Position = 0;
                    }

                    while (bin.BaseStream.Position < bin.BaseStream.Length)
                    {
                        var count        = bin.ReadUInt32();
                        var contentFlags = (ContentFlags)bin.ReadUInt32();
                        var localeFlags  = (LocaleFlags)bin.ReadUInt32();

                        var entries     = new RootEntry[count];
                        var filedataIds = new int[count];

                        var fileDataIndex = 0;
                        for (var i = 0; i < count; ++i)
                        {
                            entries[i].localeFlags  = localeFlags;
                            entries[i].contentFlags = contentFlags;

                            filedataIds[i]        = fileDataIndex + bin.ReadInt32();
                            entries[i].fileDataID = (uint)filedataIds[i];
                            fileDataIndex         = filedataIds[i] + 1;
                        }

                        if (!newRoot)
                        {
                            for (var i = 0; i < count; ++i)
                            {
                                entries[i].md5    = bin.Read <MD5Hash>();
                                entries[i].lookup = bin.ReadUInt64();
                                root.entriesLookup.Add(entries[i].lookup, entries[i]);
                                root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
                            }
                        }
                        else
                        {
                            for (var i = 0; i < count; ++i)
                            {
                                entries[i].md5 = bin.Read <MD5Hash>();
                            }

                            for (var i = 0; i < count; ++i)
                            {
                                if (contentFlags.HasFlag(ContentFlags.NoNames))
                                {
                                    entries[i].lookup = 0;
                                    unnamedCount++;
                                }
                                else
                                {
                                    entries[i].lookup = bin.ReadUInt64();
                                    namedCount++;

                                    root.entriesLookup.Add(entries[i].lookup, entries[i]);
                                }

                                root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
                            }
                        }
                    }
                }

            return(root);
        }
Ejemplo n.º 2
0
        public static RootFile GetRoot(string url, string hash, bool parseIt = false)
        {
            var root = new RootFile
            {
                entriesLookup = new MultiDictionary <ulong, RootEntry>(),
                entriesFDID   = new MultiDictionary <uint, RootEntry>(),
            };

            byte[] content;

            if (url.StartsWith("http:"))
            {
                content = CDN.Get(url + "data/" + hash[0] + hash[1] + "/" + hash[2] + hash[3] + "/" + hash);
            }
            else
            {
                content = File.ReadAllBytes(Path.Combine(url, "data", "" + hash[0] + hash[1], "" + hash[2] + hash[3], hash));
            }

            if (!parseIt)
            {
                return(root);
            }

            var hasher = new Jenkins96();

            var  namedCount   = 0;
            var  unnamedCount = 0;
            uint totalFiles   = 0;
            uint namedFiles   = 0;
            var  newRoot      = false;

            using (BinaryReader bin = new BinaryReader(new MemoryStream(BLTE.Parse(content))))
            {
                var header = bin.ReadUInt32();
                if (header == 1296454484)
                {
                    totalFiles = bin.ReadUInt32();
                    namedFiles = bin.ReadUInt32();
                    newRoot    = true;
                }
                else
                {
                    bin.BaseStream.Position = 0;
                }

                while (bin.BaseStream.Position < bin.BaseStream.Length)
                {
                    var count        = bin.ReadUInt32();
                    var contentFlags = (ContentFlags)bin.ReadUInt32();
                    var localeFlags  = (LocaleFlags)bin.ReadUInt32();

                    var entries     = new RootEntry[count];
                    var filedataIds = new int[count];

                    var fileDataIndex = 0;
                    for (var i = 0; i < count; ++i)
                    {
                        entries[i].localeFlags  = localeFlags;
                        entries[i].contentFlags = contentFlags;

                        filedataIds[i]        = fileDataIndex + bin.ReadInt32();
                        entries[i].fileDataID = (uint)filedataIds[i];
                        fileDataIndex         = filedataIds[i] + 1;
                    }

                    if (!newRoot)
                    {
                        for (var i = 0; i < count; ++i)
                        {
                            entries[i].md5    = bin.Read <MD5Hash>();
                            entries[i].lookup = bin.ReadUInt64();
                            root.entriesLookup.Add(entries[i].lookup, entries[i]);
                            root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
                        }
                    }
                    else
                    {
                        for (var i = 0; i < count; ++i)
                        {
                            entries[i].md5 = bin.Read <MD5Hash>();
                        }

                        for (var i = 0; i < count; ++i)
                        {
                            if (contentFlags.HasFlag(ContentFlags.NoNames))
                            {
                                //entries[i].lookup = hasher.ComputeHash("BY_FDID_" + entries[i].fileDataID);
                                entries[i].lookup = 0;
                                unnamedCount++;
                            }
                            else
                            {
                                entries[i].lookup = bin.ReadUInt64();
                                namedCount++;

                                root.entriesLookup.Add(entries[i].lookup, entries[i]);
                            }

                            root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
                        }
                    }
                }
            }

            return(root);
        }