/// <summary> /// For a given bbt entry, retrieve the raw bytes associated with the BID.<br/> /// This includes retrieving data trees via xblocks. /// </summary> public static List <BlockDataDTO> GetBBTEntryData(BBTENTRY entry, PSTFile pst) { if (entry == null) { throw new InvalidDataException("Failed while parsing BBTEntry, the data block was invalid, try running a PST repair"); } var dataSize = entry.BlockByteCount; var blockSize = entry.BlockByteCount + 16; if (blockSize % 64 != 0) { blockSize += 64 - (blockSize % 64); } List <BlockDataDTO> dataBlocks; /*if (isSubNode) * { * using (var viewer = PSTFile.PSTMMF.CreateViewAccessor((long)entry.BREF.IB, blockSize)) * { * var blockBytes = new byte[dataSize]; * viewer.ReadArray(0, blockBytes, 0, dataSize); * dataBlocks = new List<BlockDataDTO> * {new BlockDataDTO {Data = blockBytes, PstOffset = entry.BREF.IB, BBTEntry = entry}}; * return dataBlocks; * } * } else */ if (entry.Internal) { using (var viewer = pst.PSTMMF.CreateViewAccessor((long)entry.BREF.IB, blockSize)) { var blockBytes = new byte[dataSize]; viewer.ReadArray(0, blockBytes, 0, dataSize); var trailerBytes = new byte[16]; viewer.ReadArray(blockSize - 16, trailerBytes, 0, 16); var trailer = new BlockTrailer(trailerBytes, 0); var dataBlockDTO = new BlockDataDTO { Data = blockBytes, PstOffset = entry.BREF.IB, CRCOffset = (uint)((long)entry.BREF.IB + (blockSize - 12)), BBTEntry = entry }; var type = blockBytes[0]; var level = blockBytes[1]; if (type == 2) //si or sl entry { return(new List <BlockDataDTO> { dataBlockDTO }); } else if (type == 1) { if (blockBytes[1] == 0x01) //XBLOCK { var xblock = new XBLOCK(dataBlockDTO); return(BlockBO.GetXBlockData(xblock, pst)); } else //XXBLOCK { var xxblock = new XXBLOCK(dataBlockDTO); return(BlockBO.GetXXBlockData(xxblock, pst)); } } else { throw new NotImplementedException(); } } } else { using (var viewer = pst.PSTMMF.CreateViewAccessor((long)entry.BREF.IB, blockSize)) { var dataBytes = new byte[dataSize]; viewer.ReadArray(0, dataBytes, 0, dataSize); var trailerBytes = new byte[16]; viewer.ReadArray(blockSize - 16, trailerBytes, 0, 16); var trailer = new BlockTrailer(trailerBytes, 0); dataBlocks = new List <BlockDataDTO> { new BlockDataDTO { Data = dataBytes, PstOffset = entry.BREF.IB, CRC32 = trailer.CRC, CRCOffset = (uint)(blockSize - 12), BBTEntry = entry } }; } } for (int i = 0; i < dataBlocks.Count; i++) { var temp = dataBlocks[i].Data; DatatEncoder.CryptPermute(temp, temp.Length, false, pst.Header.EncodingAlgotihm); } return(dataBlocks); }