示例#1
0
        public void Write(SaveParameters param)
        {
            Stream stream = param.Stream;

            stream.WriteByte((byte)'[');
            for (int i = 0; i < _items.Count; ++i)
            {
                if (i != 0)
                {
                    stream.WriteByte((byte)' ');
                }

                IPDFObject item = _items[i];
                if (item is PDFDictionary || item is PDFDictionaryStream)
                {
                    if (!param.WriteInheritableObjects)
                    {
                        StringUtility.WriteToStream(item.ObjNo, stream);
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'0');
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'R');
                    }
                    else
                    {
                        item.Write(param);
                    }
                }
                else
                {
                    item.Write(param);
                }
            }
            stream.WriteByte((byte)']');
        }
示例#2
0
        public void Write(SaveParameters param)
        {
            Stream stream = param.Stream;

            stream.WriteByte((byte)'n');
            stream.WriteByte((byte)'u');
            stream.WriteByte((byte)'l');
            stream.WriteByte((byte)'l');
        }
示例#3
0
        private void writeObjects(Stream writer)
        {
            int count = _xref.Entries.Count;

            byte[]         endObj = System.Text.Encoding.ASCII.GetBytes("\nendobj\n");
            SaveParameters param  = new SaveParameters();

            param.Stream = writer;
            param.WriteInheritableObjects = false;
            param.Buffer       = new MemoryStream(4096);
            param.StringBuffer = new MemoryStream(1024);
            param.Compression  = _compression;
            param.Encryptor    = _xref.Encryptor;
            if (_xref.Encryptor != null)
            {
                count--;
            }

            for (int i = 1; i < count; ++i)
            {
                Entry entry = _xref.Entries[i];
                entry.Offset = (int)writer.Position;

                string startObj = i.ToString() + " 0 obj\n";
                writer.Write(System.Text.Encoding.ASCII.GetBytes(startObj), 0, startObj.Length);
                param.ObjNo = i;

                // Если словарь подписи, то находим запись ByteRange и ее офсет
                if (entry.Object.ObjNo == _signature)
                {
                    _byteRangeOffset = Sig.Write(param, entry.Object as PDFDictionary, out _byteRange);
                }
                else
                {
                    entry.Object.Write(param);
                }

                writer.Write(endObj, 0, endObj.Length);
            }

            if (_xref.Encryptor != null)
            {
                param.Encryptor = null;
                param.WriteInheritableObjects = true;
                Entry entry = _xref.Entries[count];
                entry.Offset = (int)writer.Position;
                string startObj = count.ToString() + " 0 obj\n";
                writer.Write(System.Text.Encoding.ASCII.GetBytes(startObj), 0, startObj.Length);
                entry.Object.Write(param);
                writer.Write(endObj, 0, endObj.Length);
            }

            param.Buffer.Dispose();
            param.StringBuffer.Dispose();
        }
示例#4
0
        private void writeTrailer(Stream writer, PDFDictionary trailer)
        {
            string trailerHeader = "trailer\n";

            writer.Write(System.Text.Encoding.ASCII.GetBytes(trailerHeader), 0, trailerHeader.Length);
            SaveParameters param = new SaveParameters(writer);

            param.WriteInheritableObjects = false;
            trailer.Write(param);
            writer.Write(System.Text.Encoding.ASCII.GetBytes("\n"), 0, 1);
        }
示例#5
0
        public void Write(SaveParameters param)
        {
            Stream stream = param.Stream;

            stream.WriteByte((byte)'<');
            stream.WriteByte((byte)'<');

            int count = _items.Count;

            for (int i = 0; i < count; ++i)
            {
                KeyValuePair <string, IPDFObject> pair = _items[i];
                PDFName.Write(stream, pair.Key);

                stream.WriteByte((byte)' ');

                IPDFObject val = pair.Value;
                if (val is PDFDictionary || val is PDFDictionaryStream)
                {
                    if (!param.WriteInheritableObjects)
                    {
                        StringUtility.WriteToStream(val.ObjNo, stream);
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'0');
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'R');
                    }
                    else
                    {
                        val.Write(param);
                    }
                }
                else
                {
                    val.Write(param);
                }

                if (i != count - 1)
                {
                    stream.WriteByte((byte)'\n');
                }
            }

            stream.WriteByte((byte)'>');
            stream.WriteByte((byte)'>');
        }
示例#6
0
        public void Write(SaveParameters param)
        {
            Stream stream = param.Stream;

            if (_value)
            {
                stream.WriteByte((byte)'t');
                stream.WriteByte((byte)'r');
                stream.WriteByte((byte)'u');
                stream.WriteByte((byte)'e');
            }
            else
            {
                stream.WriteByte((byte)'f');
                stream.WriteByte((byte)'a');
                stream.WriteByte((byte)'l');
                stream.WriteByte((byte)'s');
                stream.WriteByte((byte)'e');
            }
        }
示例#7
0
        public void WriteDigest()
        {
            PKCS7 pkcs = new PKCS7(_cert.Akp, _cert.Chain, null, "SHA1", true);

            for (int i = 0; i < _byteRange.Length; i += 2)
            {
                byte[] buf = new byte[_byteRange[i + 1]];
                _document.Position = _byteRange[i];
                _document.Read(buf, 0, _byteRange[i + 1]);
                pkcs.Update(buf, 0, buf.Length);
            }

            byte[] bsig = pkcs.GetEncodedPKCS7(null, DateTime.Now, null);
            //byte[] sbuf = new byte[bsig.Length/* +64*/];
            //Array.Copy(bsig, 0, sbuf, 0, bsig.Length);
            // Записываем дайджест
            //PDFString str = new PDFString(sbuf, true);
            PDFString      str = new PDFString(bsig, true);
            SaveParameters sp  = new SaveParameters(_document);

            sp.Stream.Position = _byteRange[1];
            str.Write(sp);
        }
示例#8
0
        public void Write(SaveParameters param)
        {
            byte[] buf    = _string;
            int    length = _string.Length;

            if (param.Encryptor != null)
            {
                param.Encryptor.ResetObjectReference(param.ObjNo, param.GenNo, DataType.String);
                MemoryStream ms = param.StringBuffer;
                ms.SetLength(0);
                param.Encryptor.Encrypt(_string, 0, _string.Length, ms, DataType.String);
                length = (int)ms.Length;
                buf    = ms.GetBuffer();
            }

            if (_hexadecimal)
            {
                writeHexString(param.Stream, buf, 0, length);
            }
            else
            {
                writeString(param.Stream, buf, 0, length);
            }
        }
示例#9
0
 public void Write(SaveParameters param)
 {
     Write(param.Stream, _name);
 }
示例#10
0
        //internal ByteRange
        //internal Contents

        static internal int Write(SaveParameters param, PDFDictionary dict, out int[] byteRange)
        {
            int byteRangeOffset = -1;

            byteRange    = new int[4];
            byteRange[0] = 0;

            Stream stream = param.Stream;

            stream.WriteByte((byte)'<');
            stream.WriteByte((byte)'<');

            string[] keys  = dict.GetKeys();
            int      count = keys.Length;

            for (int i = 0; i < count; ++i)
            {
                string key = keys[i];
                PDFName.Write(stream, key);

                stream.WriteByte((byte)' ');

                IPDFObject val = dict[key];

                if (key == "ByteRange")
                {
                    byteRangeOffset = (int)stream.Position;
                }
                else if (key == "Contents")
                {
                    byteRange[1] = (int)stream.Position;
                }

                if (val is PDFDictionary || val is PDFDictionaryStream)
                {
                    if (!param.WriteInheritableObjects)
                    {
                        StringUtility.WriteToStream(val.ObjNo, stream);
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'0');
                        stream.WriteByte((byte)' ');
                        stream.WriteByte((byte)'R');
                    }
                    else
                    {
                        val.Write(param);
                    }
                }
                else
                {
                    val.Write(param);
                }

                if (key == "ByteRange")
                {
                    for (int j = 0; j < 30; j++)
                    {
                        stream.WriteByte((byte)' ');
                    }
                }
                else if (key == "Contents")
                {
                    byteRange[2] = (int)stream.Position;
                }

                if (i != count - 1)
                {
                    stream.WriteByte((byte)'\n');
                }
            }

            stream.WriteByte((byte)'>');
            stream.WriteByte((byte)'>');

            return(byteRangeOffset);
        }
示例#11
0
        public void Write(SaveParameters param)
        {
            _stream.Position = 0;
            MemoryStream output = _stream;

            //set compression
            bool filter = false;

            if (param.Compression == Compression.Flate)
            {
                PDFName  subtype = (PDFName)_dictionary["Subtype"];
                Filter[] filters = getFilters();
                if (subtype != null && subtype.GetValue() == "Image" && filters.Length > 0 && filters[0] == Filter.DCT)
                {
                    output = param.Buffer;
                    output.SetLength(0);
                    _stream.WriteTo(output);

                    filter = true;
                }
                else if (param.Compression != Compression.None && getFilters().Length == 0)
                {
                    output = param.Buffer;
                    output.SetLength(0);
                    FlateDecoder.Code(_stream, output);
                    _dictionary.AddItem("Filter", new PDFName("FlateDecode"));
                    filter = true;
                }
            }
            //set encryption
            if (param.Encryptor != null)
            {
                param.Encryptor.ResetObjectReference(param.ObjNo, param.GenNo, DataType.Stream);
                if (filter)
                {
                    byte[] buffer = output.GetBuffer();
                    int    length = (int)output.Length;
                    output.SetLength(0);
                    param.Encryptor.Encrypt(buffer, 0, length, output, DataType.Stream);
                }
                else
                {
                    output = param.Buffer;
                    output.SetLength(0);
                    param.Encryptor.Encrypt(_stream.GetBuffer(), 0, (int)_stream.Length, output, DataType.Stream);
                }
            }

            output.Position = 0;
            _dictionary.AddItem("Length", new PDFNumber(output.Length));

            _dictionary.Write(param);
            param.Stream.Write(StartStream, 0, StartStream.Length);
            param.Stream.Write(output.GetBuffer(), 0, (int)output.Length);
            param.Stream.Write(EndStream, 0, EndStream.Length);

            if (filter)
            {
                _dictionary.RemoveItem("Filter");
            }
        }