Exemple #1
0
        public CASCHandler(string basePath)
        {
            BasePath = basePath;

            lookup3 = new Lookup3();

            InitConfigKeys();

            // Get idx files.
            for (var i = 0; i <= 0xF; i++)
            {
                // Always get the last element in sequence for latest file data.
                var idxFile = Directory.GetFiles(BasePath + "/Data/data", $"{i :x2}*.idx").Last();

                idxFiles.Add(new IndexFile(idxFile));
            }

            // Get CDN indices.
            var indices = cdnConfig["archives"];

            for (var i = 0; i < indices.Length; i++)
            {
                indexFiles.Add(indices[i]);

                idxFiles.Add(new IndexFile($"{basePath}/Data/indices/{indices[i]}.index", true, (ushort)i));
            }

            // Get available data.### files.
            foreach (var f in Directory.GetFiles(BasePath + "/Data/data", "data.*"))
            {
                var dataFile = new DataFile(File.OpenRead(f));
                var index    = Convert.ToUInt32(Path.GetExtension(f).Remove(0, 1));

                dataFiles.Add(index, dataFile);
            }

            // Get encoding key.
            var encodingKey = buildConfig["encoding"][1];

            if (encodingKey.Length / 2 > 16)
            {
                throw new InvalidOperationException("Encoding key too long");
            }
            else if (encodingKey.Length / 2 < 16)
            {
                throw new InvalidOperationException("Encoding key too short");
            }

            encodingFile = new EncodingFile(encodingKey.ToByteArray());

            // Get idx file & entry which contains the encoding key (first 9 bytes)
            idxFiles.ForEach(idx =>
            {
                var idxEntry = idx[encodingFile.Key];

                if (idxEntry.Size != 0)
                {
                    encodingFile.LoadEntries(dataFiles[idxEntry.Index], idxEntry);
                }
            });

            // Get root key
            var rootKey = buildConfig["root"][0];

            if (rootKey.Length / 2 > 16)
            {
                throw new InvalidOperationException("Root key too long");
            }
            else if (rootKey.Length / 2 < 16)
            {
                throw new InvalidOperationException("Root key too short");
            }

            rootFile = new RootFile();

            idxFiles.ForEach(idx =>
            {
                var encodingEntry = encodingFile[rootKey.ToByteArray()];

                if (encodingEntry.Size != 0 && encodingEntry.Keys.Length > 0)
                {
                    var idxEntry = idx[encodingEntry.Keys[0].Slice(0, 9)];

                    if (idxEntry.Size != 0)
                    {
                        rootFile.LoadEntries(dataFiles[idxEntry.Index], idxEntry);
                    }
                }
            });
        }
        public CASCHandler(string basePath)
        {
            BasePath = basePath;

            lookup3 = new Lookup3();

            InitConfigKeys();

            // Get idx files.
            for (var i = 0; i <= 0xF; i++)
            {
                // Always get the last element in sequence for latest file data.
                var idxFile = Directory.GetFiles(BasePath + "/Data/data", $"{i :x2}*.idx").Last();

                idxFiles.Add(new IndexFile(idxFile));
            }

            // Get CDN indices.
            var indices = cdnConfig["archives"];

            for (var i = 0; i < indices.Length; i++)
            {
                indexFiles.Add(indices[i]);

                idxFiles.Add(new IndexFile($"{basePath}/Data/indices/{indices[i]}.index", true, (ushort)i));
            }

            // Get available data.### files.
            foreach (var f in Directory.GetFiles(BasePath + "/Data/data", "data.*"))
            {
                var dataFile = new DataFile(File.OpenRead(f));
                var index = Convert.ToUInt32(Path.GetExtension(f).Remove(0, 1));

                dataFiles.Add(index, dataFile);
            }

            // Get encoding key.
            var encodingKey = buildConfig["encoding"][1];

            if (encodingKey.Length / 2 > 16)
                throw new InvalidOperationException("Encoding key too long");
            else if (encodingKey.Length / 2 < 16)
                throw new InvalidOperationException("Encoding key too short");

            encodingFile = new EncodingFile(encodingKey.ToByteArray());

            // Get idx file & entry which contains the encoding key (first 9 bytes)
            idxFiles.ForEach(idx =>
            {
                var idxEntry = idx[encodingFile.Key];

                if (idxEntry.Size != 0)
                    encodingFile.LoadEntries(dataFiles[idxEntry.Index], idxEntry);
            });

            // Get root key
            var rootKey = buildConfig["root"][0];

            if (rootKey.Length / 2 > 16)
                throw new InvalidOperationException("Root key too long");
            else if (rootKey.Length / 2 < 16)
                throw new InvalidOperationException("Root key too short");

            rootFile = new RootFile();

            idxFiles.ForEach(idx =>
            {
                var encodingEntry = encodingFile[rootKey.ToByteArray()];

                if (encodingEntry.Size != 0 && encodingEntry.Keys.Length > 0)
                {
                    var idxEntry = idx[encodingEntry.Keys[0].Slice(0, 9)];

                    if (idxEntry.Size != 0)
                        rootFile.LoadEntries(dataFiles[idxEntry.Index], idxEntry);
                }
            });
        }