Exemple #1
0
 public static void WriteWholeApplefile(Stream dataForkStream, Stream outStream)
 {
     MimeAppleTranscoder.WriteApplefileHeader(new List <MimeAppleTranscoder.EntryDescriptor>(1)
     {
         new MimeAppleTranscoder.EntryDescriptor(1, 0, (int)dataForkStream.Length)
     }, false, outStream);
     MimeAppleTranscoder.CopyStreamData(dataForkStream, outStream);
 }
Exemple #2
0
        public static void WriteWholeApplefile(Stream applefileStream, Stream dataForkStream, Stream outStream)
        {
            int num = MimeAppleTranscoder.ReadUIntFromStream(applefileStream);

            if (num != 333319)
            {
                throw new MimeException(EmailMessageStrings.WrongAppleMagicNumber);
            }
            List <MimeAppleTranscoder.EntryDescriptor> list = MimeAppleTranscoder.ReadAppleFileHeaderEntries(applefileStream);
            int entryOffset = 0;

            foreach (MimeAppleTranscoder.EntryDescriptor entryDescriptor in list)
            {
                if (entryDescriptor.EntryId == 1)
                {
                    throw new MimeException(EmailMessageStrings.TooManyEntriesInApplefile);
                }
                entryOffset = entryDescriptor.EntryOffset + entryDescriptor.EntryLength;
            }
            list.Add(new MimeAppleTranscoder.EntryDescriptor(1, entryOffset, (int)dataForkStream.Length));
            MimeAppleTranscoder.WriteApplefileHeader(list, false, outStream);
            MimeAppleTranscoder.CopyStreamData(applefileStream, outStream);
            MimeAppleTranscoder.CopyStreamData(dataForkStream, outStream);
        }
Exemple #3
0
        private static void Transcode(Stream applefileStream, Stream dataForkStream, Stream outAttachMacInfo, Stream outMacBinStream, ref Stream outDataForkStream, out string fileName, out byte[] additionalInfo)
        {
            if (applefileStream.Length < 26L)
            {
                throw new MimeException(EmailMessageStrings.UnexpectedEndOfStream);
            }
            int num = MimeAppleTranscoder.ReadUIntFromStream(applefileStream);

            if (num != 333319 && num != 333312)
            {
                if (dataForkStream != null)
                {
                    throw new MimeException(EmailMessageStrings.WrongAppleMagicNumber);
                }
                applefileStream.Position = 0L;
                MimeAppleTranscoder.MacBinToApplefile(applefileStream, outAttachMacInfo, out fileName, out additionalInfo);
                applefileStream.Position = 0L;
                if (outMacBinStream == null)
                {
                    return;
                }
                MimeAppleTranscoder.CopyStreamData(applefileStream, outMacBinStream);
                return;
            }
            else
            {
                fileName = null;
                byte[] array = new byte[128];
                array[0] = 0;
                int num2 = 0;
                if (dataForkStream != null)
                {
                    num2 = 83;
                    MimeAppleTranscoder.WriteIntData((int)dataForkStream.Length, array, ref num2);
                }
                byte[] bytes = MimeAppleTranscoder.macEncoding.GetBytes("mBIN");
                for (int i = 0; i < 4; i++)
                {
                    array[102 + i] = bytes[i];
                }
                array[122] = 130;
                array[123] = 129;
                int inputOffset = 0;
                MimeAppleTranscoder.EntryDescriptor entryDescriptor = null;
                int inputOffset2 = 0;
                List <MimeAppleTranscoder.EntryDescriptor> list = MimeAppleTranscoder.ReadAppleFileHeaderEntries(applefileStream);
                foreach (MimeAppleTranscoder.EntryDescriptor entryDescriptor2 in list)
                {
                    switch (entryDescriptor2.EntryId)
                    {
                    case 1:
                        entryDescriptor = entryDescriptor2;
                        num2            = 83;
                        MimeAppleTranscoder.WriteIntData(entryDescriptor2.EntryLength, array, ref num2);
                        break;

                    case 2:
                        inputOffset = entryDescriptor2.EntryOffset;
                        num2        = 87;
                        MimeAppleTranscoder.WriteIntData(entryDescriptor2.EntryLength, array, ref num2);
                        break;

                    case 4:
                        inputOffset2 = entryDescriptor2.EntryOffset;
                        num2         = 99;
                        MimeAppleTranscoder.WriteShortData(entryDescriptor2.EntryLength, array, ref num2);
                        break;
                    }
                }
                if (entryDescriptor != null)
                {
                    list.Remove(entryDescriptor);
                }
                if (outAttachMacInfo != null)
                {
                    MimeAppleTranscoder.WriteApplefileHeader(list, true, outAttachMacInfo);
                }
                int num3 = (int)applefileStream.Position;
                foreach (MimeAppleTranscoder.EntryDescriptor entryDescriptor3 in list)
                {
                    if (entryDescriptor3.EntryOffset < num3)
                    {
                        throw new MimeException(EmailMessageStrings.WrongOffsetsInApplefile);
                    }
                    if (entryDescriptor3.EntryOffset > num3)
                    {
                        if (applefileStream.Length < (long)entryDescriptor3.EntryOffset)
                        {
                            throw new MimeException(EmailMessageStrings.WrongOffsetsInApplefile);
                        }
                        applefileStream.Position = (long)entryDescriptor3.EntryOffset;
                    }
                    if (entryDescriptor3.EntryLength < 0)
                    {
                        throw new MimeException(EmailMessageStrings.EntryLengthTooBigInApplefile((long)((ulong)entryDescriptor3.EntryLength)));
                    }
                    int    num4    = 0;
                    byte[] array2  = null;
                    int    entryId = entryDescriptor3.EntryId;
                    if (entryId != 3)
                    {
                        switch (entryId)
                        {
                        case 8:
                            num4   = Math.Min(8, entryDescriptor3.EntryLength);
                            array2 = new byte[num4];
                            MimeAppleTranscoder.ReadFixed(applefileStream, array2, 0, num4);
                            for (int j = 0; j < num4; j++)
                            {
                                array[91 + j] = array2[j];
                            }
                            break;

                        case 9:
                            num4   = Math.Min(28, entryDescriptor3.EntryLength);
                            array2 = new byte[num4];
                            MimeAppleTranscoder.ReadFixed(applefileStream, array2, 0, num4);
                            if (num4 >= 16)
                            {
                                for (int k = 0; k < 16; k++)
                                {
                                    array[65 + k] = array2[k];
                                }
                                array[101] = array[73];
                                array[73]  = array[74];
                                array[74]  = 0;
                                if (num4 >= 22)
                                {
                                    array[106] = array2[20];
                                    array[107] = array2[21];
                                }
                            }
                            break;

                        case 10:
                            num4   = Math.Min(4, entryDescriptor3.EntryLength);
                            array2 = new byte[num4];
                            MimeAppleTranscoder.ReadFixed(applefileStream, array2, 0, num4);
                            if (num4 == 4)
                            {
                                array[81] = (byte)((array2[3] & 2) >> 1);
                            }
                            break;
                        }
                    }
                    else
                    {
                        num4   = Math.Min(63, entryDescriptor3.EntryLength);
                        array2 = new byte[num4];
                        MimeAppleTranscoder.ReadFixed(applefileStream, array2, 0, num4);
                        fileName = MimeAppleTranscoder.macEncoding.GetString(array2, 0, num4);
                        array[1] = (byte)num4;
                        for (int l = 0; l < num4; l++)
                        {
                            array[2 + l] = array2[l];
                        }
                    }
                    if (outAttachMacInfo != null)
                    {
                        if (array2 != null)
                        {
                            outAttachMacInfo.Write(array2, 0, num4);
                        }
                        if (num4 != entryDescriptor3.EntryLength)
                        {
                            MimeAppleTranscoder.CopyStreamData(applefileStream, outAttachMacInfo, new int?(entryDescriptor3.EntryLength - num4));
                        }
                    }
                    num3 = (int)applefileStream.Position;
                }
                num2 = 124;
                MimeAppleTranscoder.WriteUShortData((int)MimeAppleTranscoder.CalcCRC16(array, 126), array, ref num2);
                MacBinaryHeader macBinaryHeader = new MacBinaryHeader(array);
                if (outMacBinStream == null)
                {
                    additionalInfo = null;
                    if (outDataForkStream != null)
                    {
                        ReadableDataStorageOnStream readableDataStorageOnStream = new ReadableDataStorageOnStream(applefileStream, false);
                        if (entryDescriptor != null)
                        {
                            outDataForkStream = readableDataStorageOnStream.OpenReadStream((long)entryDescriptor.EntryOffset, (long)(entryDescriptor.EntryOffset + (int)macBinaryHeader.DataForkLength));
                            return;
                        }
                        outDataForkStream = readableDataStorageOnStream.OpenReadStream(0L, 0L);
                    }
                    return;
                }
                additionalInfo = MimeAppleTranscoder.EncodeAdditionalInfo(macBinaryHeader.FileCreator, macBinaryHeader.FileType);
                outMacBinStream.Write(array, 0, array.Length);
                if (macBinaryHeader.DataForkLength > 0L)
                {
                    if (dataForkStream != null)
                    {
                        MimeAppleTranscoder.CopyStreamData(dataForkStream, outMacBinStream);
                        MimeAppleTranscoder.WriteMacBinPadding(outMacBinStream, (int)macBinaryHeader.DataForkLength);
                    }
                    else if (entryDescriptor != null)
                    {
                        MimeAppleTranscoder.CopyDataWithPadding(applefileStream, outMacBinStream, entryDescriptor.EntryOffset, (int)macBinaryHeader.DataForkLength);
                    }
                }
                if (macBinaryHeader.ResourceForkLength > 0L)
                {
                    MimeAppleTranscoder.CopyDataWithPadding(applefileStream, outMacBinStream, inputOffset, (int)macBinaryHeader.ResourceForkLength);
                }
                if (macBinaryHeader.GetInfoLength > 0)
                {
                    MimeAppleTranscoder.CopyDataWithPadding(applefileStream, outMacBinStream, inputOffset2, macBinaryHeader.GetInfoLength);
                }
                return;
            }
        }
Exemple #4
0
        public static void MacBinToApplefile(Stream macBinStream, Stream outStream, out string fileName, out byte[] additionalInfo)
        {
            MacBinaryHeader macBinaryHeader = MimeAppleTranscoder.ExtractMacBinHeader(macBinStream);

            fileName = macBinaryHeader.FileName;
            if (outStream == null)
            {
                additionalInfo = null;
                return;
            }
            additionalInfo = MimeAppleTranscoder.EncodeAdditionalInfo(macBinaryHeader.FileCreator, macBinaryHeader.FileType);
            List <MimeAppleTranscoder.EntryDescriptor> descriptors = new List <MimeAppleTranscoder.EntryDescriptor>(6);
            int entryOffset = 0;

            byte[] array = null;
            if (macBinaryHeader.FileName != null)
            {
                MimeAppleTranscoder.EntryDescriptor descr = new MimeAppleTranscoder.EntryDescriptor(3, entryOffset, macBinaryHeader.FileNameLength);
                try
                {
                    array = MimeAppleTranscoder.macEncoding.GetBytes(fileName);
                }
                catch (ArgumentOutOfRangeException innerException)
                {
                    throw new MimeException(EmailMessageStrings.MacBinWrongFilename, innerException);
                }
                MimeAppleTranscoder.AddEntry(descriptors, descr, ref entryOffset);
            }
            MimeAppleTranscoder.EntryDescriptor entryDescriptor = new MimeAppleTranscoder.EntryDescriptor(8, entryOffset, 16);
            MimeAppleTranscoder.AddEntry(descriptors, entryDescriptor, ref entryOffset);
            int appleDate  = MimeAppleTranscoder.GetAppleDate(macBinaryHeader.CreationDate);
            int appleDate2 = MimeAppleTranscoder.GetAppleDate(macBinaryHeader.ModificationDate);

            byte[] array2 = new byte[entryDescriptor.EntryLength];
            int    num    = 0;

            MimeAppleTranscoder.WriteIntData(appleDate, array2, ref num);
            MimeAppleTranscoder.WriteIntData(appleDate2, array2, ref num);
            MimeAppleTranscoder.WriteIntData(0, array2, ref num);
            MimeAppleTranscoder.WriteIntData(0, array2, ref num);
            MimeAppleTranscoder.EntryDescriptor entryDescriptor2 = new MimeAppleTranscoder.EntryDescriptor(9, entryOffset, 28);
            MimeAppleTranscoder.AddEntry(descriptors, entryDescriptor2, ref entryOffset);
            byte[] array3 = new byte[entryDescriptor2.EntryLength];
            num = 0;
            MimeAppleTranscoder.WriteIntData(macBinaryHeader.FileType, array3, ref num);
            MimeAppleTranscoder.WriteIntData(macBinaryHeader.FileCreator, array3, ref num);
            MimeAppleTranscoder.WriteShortData((int)((short)macBinaryHeader.FinderFlags), array3, ref num);
            MimeAppleTranscoder.WriteShortData((int)((short)macBinaryHeader.YIcon), array3, ref num);
            MimeAppleTranscoder.WriteShortData((int)((short)macBinaryHeader.XIcon), array3, ref num);
            MimeAppleTranscoder.WriteShortData((int)((short)macBinaryHeader.FileId), array3, ref num);
            MimeAppleTranscoder.WriteIntData(0, array3, ref num);
            MimeAppleTranscoder.WriteIntData(0, array3, ref num);
            MimeAppleTranscoder.WriteIntData(0, array3, ref num);
            MimeAppleTranscoder.EntryDescriptor entryDescriptor3 = new MimeAppleTranscoder.EntryDescriptor(10, entryOffset, 4);
            MimeAppleTranscoder.AddEntry(descriptors, entryDescriptor3, ref entryOffset);
            byte[] array4 = new byte[entryDescriptor3.EntryLength];
            array4[0] = 0;
            array4[1] = 0;
            array4[2] = 0;
            array4[3] = (macBinaryHeader.Protected ? 1 : 0);
            if (macBinaryHeader.ResourceForkLength > 0L)
            {
                MimeAppleTranscoder.EntryDescriptor descr2 = new MimeAppleTranscoder.EntryDescriptor(2, entryOffset, (int)macBinaryHeader.ResourceForkLength);
                MimeAppleTranscoder.AddEntry(descriptors, descr2, ref entryOffset);
            }
            if (macBinaryHeader.GetInfoLength > 0)
            {
                MimeAppleTranscoder.EntryDescriptor descr3 = new MimeAppleTranscoder.EntryDescriptor(4, entryOffset, macBinaryHeader.GetInfoLength);
                MimeAppleTranscoder.AddEntry(descriptors, descr3, ref entryOffset);
            }
            MimeAppleTranscoder.WriteApplefileHeader(descriptors, true, outStream);
            if (array != null)
            {
                outStream.Write(array, 0, array.Length);
            }
            outStream.Write(array2, 0, array2.Length);
            outStream.Write(array3, 0, array3.Length);
            outStream.Write(array4, 0, array4.Length);
            if (macBinaryHeader.SecondaryHeaderLength > 0)
            {
                macBinStream.Position += (long)(macBinaryHeader.SecondaryHeaderLength + MimeAppleTranscoder.GetMacBinPaddingSize(macBinaryHeader.SecondaryHeaderLength));
            }
            if (macBinaryHeader.DataForkLength > 0L)
            {
                macBinStream.Position += macBinaryHeader.DataForkLength + (long)MimeAppleTranscoder.GetMacBinPaddingSize((int)macBinaryHeader.DataForkLength);
            }
            if (macBinaryHeader.ResourceForkLength > 0L)
            {
                MimeAppleTranscoder.CopyStreamData(macBinStream, outStream, new int?((int)macBinaryHeader.ResourceForkLength));
                macBinStream.Position += (long)MimeAppleTranscoder.GetMacBinPaddingSize((int)macBinaryHeader.ResourceForkLength);
            }
            if (macBinaryHeader.GetInfoLength > 0)
            {
                MimeAppleTranscoder.CopyStreamData(macBinStream, outStream, new int?(macBinaryHeader.GetInfoLength));
                macBinStream.Position += (long)MimeAppleTranscoder.GetMacBinPaddingSize(macBinaryHeader.GetInfoLength);
            }
        }