コード例 #1
0
 // Token: 0x06000552 RID: 1362 RVA: 0x0001D1AB File Offset: 0x0001B3AB
 internal MimeStringList GetEncodedValue(EncodingOptions encodingOptions, ValueEncodingStyle encodingStyle)
 {
     if (string.IsNullOrEmpty(this.decodedValue))
     {
         return(base.Lines);
     }
     return(MimeCommon.EncodeValue(this.decodedValue, encodingOptions, encodingStyle));
 }
コード例 #2
0
ファイル: MimeCommon.cs プロジェクト: Rhombulus/Mime
 internal static MimeStringList EncodeValue(string value, EncodingOptions encodingOptions, ValueEncodingStyle style)
 {
     if (string.IsNullOrEmpty(value))
         return MimeStringList.Empty;
     if (!MimeCommon.IsEncodingRequired(value, encodingOptions.AllowUTF8))
         return new MimeStringList(new MimeString(value));
     var mimeStringList = new MimeStringList();
     Globalization.Charset charset;
     if (encodingOptions.CharsetName != null)
         charset = encodingOptions.GetEncodingCharset();
     else {
         var codePageDetector = new Globalization.OutboundCodePageDetector();
         codePageDetector.AddText(value);
         if (!Globalization.Charset.TryGetCharset(codePageDetector.GetCodePage(), out charset))
             charset = DefaultEncodingOptions.GetEncodingCharset();
     }
     var charClasses = Schema.Mime.Encoders.ByteEncoder.Tables.CharClasses.QEncode;
     if (style == ValueEncodingStyle.Phrase)
         charClasses |= Schema.Mime.Encoders.ByteEncoder.Tables.CharClasses.QPhraseUnsafe;
     else if (style == ValueEncodingStyle.Comment)
         charClasses |= Schema.Mime.Encoders.ByteEncoder.Tables.CharClasses.QCommentUnsafe;
     var allowQEncoding = false;
     CalculateMethodAndChunkSize methodAndChunkSize;
     if (charset.Kind == Globalization.CodePageKind.Sbcs) {
         methodAndChunkSize = calculateMethodAndChunkSizeSbcs;
         if (charset.AsciiSupport >= Globalization.CodePageAsciiSupport.Fine)
             allowQEncoding = true;
     } else if (charset.Kind == Globalization.CodePageKind.Dbcs) {
         methodAndChunkSize = calculateMethodAndChunkSizeDbcs;
         if (charset.AsciiSupport >= Globalization.CodePageAsciiSupport.Fine)
             allowQEncoding = true;
     } else if (charset.CodePage == 65001) {
         methodAndChunkSize = calculateMethodAndChunkSizeUtf8;
         allowQEncoding = true;
     } else {
         methodAndChunkSize = charset.CodePage == 1200 || charset.CodePage == 1201
                                  ? calculateMethodAndChunkSizeUnicode16
                                  : (charset.CodePage == 12000 || charset.CodePage == 12001 ? calculateMethodAndChunkSizeUnicode32 : calculateMethodAndChunkSizeMbcs);
     }
     var num1 = 75;
     var num2 = 7 + charset.Name.Length;
     var num3 = num1 - num2;
     if (num3 < 32) {
         num1 = num2 + 32;
         num3 = 32;
     }
     var byteBuffer = Internal.ScratchPad.GetByteBuffer(num3);
     var encoding = charset.GetEncoding();
     var numArray1 = new byte[5 + charset.Name.Length];
     var num4 = 0;
     var numArray2 = numArray1;
     var index1 = num4;
     var num5 = 1;
     var num6 = index1 + num5;
     var num7 = 61;
     numArray2[index1] = (byte) num7;
     var numArray3 = numArray1;
     var index2 = num6;
     var num8 = 1;
     var bytesOffset = index2 + num8;
     var num9 = 63;
     numArray3[index2] = (byte) num9;
     var num10 = bytesOffset + Internal.ByteString.StringToBytes(charset.Name, numArray1, bytesOffset, false);
     var numArray4 = numArray1;
     var index3 = num10;
     var num11 = 1;
     var num12 = index3 + num11;
     var num13 = 63;
     numArray4[index3] = (byte) num13;
     var numArray5 = numArray1;
     var index4 = num12;
     var num14 = 1;
     var num15 = index4 + num14;
     var num16 = 88;
     numArray5[index4] = (byte) num16;
     var numArray6 = numArray1;
     var index5 = num15;
     var num17 = 1;
     var num18 = index5 + num17;
     var num19 = 63;
     numArray6[index5] = (byte) num19;
     var mimeString = new MimeString(numArray1);
     var num20 = 0;
     byte[] numArray7 = null;
     var count = 0;
     var num21 = num3/4;
     while (num20 != value.Length) {
         byte method;
         int chunkSize;
         methodAndChunkSize(allowQEncoding, charClasses, encoding, value, num20, num3, out method, out chunkSize);
         label_25:
         int bytes;
         int outputOffset;
         while (true) {
             do {
                 do {
                     try {
                         bytes = encoding.GetBytes(value, num20, chunkSize, byteBuffer, 0);
                     } catch (System.ArgumentException ex) {
                         if (chunkSize < 2)
                             throw;
                         chunkSize -= chunkSize > 10 ? 3 : 1;
                         if (MimeCommon.IsLowSurrogate(value[num20 + chunkSize])) {
                             if (MimeCommon.IsHighSurrogate(value[num20 + chunkSize - 1]))
                                 --chunkSize;
                         }
                         goto label_25;
                     }
                     if (bytes != 0) {
                         if (numArray7 == null || numArray7.Length - count < num1 + 1) {
                             if (numArray7 != null) {
                                 mimeStringList.Append(new MimeString(numArray7, 0, count));
                                 count = 0;
                             }
                             numArray7 = new byte[System.Math.Min(((value.Length - num20)/chunkSize + 1)*(num1 + 1), 4096/(num1 + 1)*(num1 + 1))];
                         }
                         var destinationIndex = count;
                         if (mimeStringList.Count > 0 || destinationIndex > 0)
                             numArray7[destinationIndex++] = 32;
                         outputOffset = destinationIndex + mimeString.CopyTo(numArray7, destinationIndex);
                         numArray7[outputOffset - 2] = method;
                         if (method == 81) {
                             var num22 = outputOffset;
                             int index6;
                             for (index6 = 0; index6 < bytes && outputOffset - num22 + 1 <= num3; ++index6) {
                                 var num23 = byteBuffer[index6];
                                 if (MimeCommon.QEncodingRequired((char) num23, charClasses)) {
                                     if (outputOffset - num22 + 3 <= num3) {
                                         var numArray8 = numArray7;
                                         var index7 = outputOffset;
                                         var num24 = 1;
                                         var num25 = index7 + num24;
                                         var num26 = 61;
                                         numArray8[index7] = (byte) num26;
                                         var numArray9 = numArray7;
                                         var index8 = num25;
                                         var num27 = 1;
                                         var num28 = index8 + num27;
                                         int num29 = Schema.Mime.Encoders.ByteEncoder.NibbleToHex[num23 >> 4];
                                         numArray9[index8] = (byte) num29;
                                         var numArray10 = numArray7;
                                         var index9 = num28;
                                         var num30 = 1;
                                         outputOffset = index9 + num30;
                                         int num31 = Schema.Mime.Encoders.ByteEncoder.NibbleToHex[num23 & 15];
                                         numArray10[index9] = (byte) num31;
                                     } else
                                         break;
                                 } else {
                                     if (num23 == 32)
                                         num23 = 95;
                                     numArray7[outputOffset++] = num23;
                                 }
                             }
                             if (index6 != bytes) {
                                 if (chunkSize < 2)
                                     throw new System.InvalidOperationException("unexpected thing just happened");
                                 chunkSize -= chunkSize > 10 ? 3 : 1;
                             } else
                                 goto label_56;
                         } else
                             goto label_55;
                     } else
                         goto label_57;
                 } while (!MimeCommon.IsLowSurrogate(value[num20 + chunkSize]));
             } while (!MimeCommon.IsHighSurrogate(value[num20 + chunkSize - 1]));
             --chunkSize;
         }
         label_55:
         outputOffset += MimeCommon.Base64EncodeChunk(byteBuffer, 0, bytes, numArray7, outputOffset);
         label_56:
         var numArray11 = numArray7;
         var index10 = outputOffset;
         var num32 = 1;
         var num33 = index10 + num32;
         var num34 = 63;
         numArray11[index10] = (byte) num34;
         var numArray12 = numArray7;
         var index11 = num33;
         var num35 = 1;
         var num36 = index11 + num35;
         var num37 = 61;
         numArray12[index11] = (byte) num37;
         count = num36;
         label_57:
         num20 += chunkSize;
     }
     if (numArray7 != null)
         mimeStringList.Append(new MimeString(numArray7, 0, count));
     return mimeStringList;
 }
コード例 #3
0
ファイル: TextHeader.cs プロジェクト: Rhombulus/Mime
 internal MimeStringList GetEncodedValue(EncodingOptions encodingOptions, ValueEncodingStyle encodingStyle)
 {
     if (string.IsNullOrEmpty(decodedValue))
         return this.Lines;
     return MimeCommon.EncodeValue(decodedValue, encodingOptions, encodingStyle);
 }
コード例 #4
0
        // Token: 0x06000252 RID: 594 RVA: 0x0000AF40 File Offset: 0x00009140
        internal static MimeStringList EncodeValue(string value, EncodingOptions encodingOptions, ValueEncodingStyle style)
        {
            if (string.IsNullOrEmpty(value))
            {
                return(MimeStringList.Empty);
            }
            if (!MimeCommon.IsEncodingRequired(value, encodingOptions.AllowUTF8))
            {
                return(new MimeStringList(new MimeString(value)));
            }
            MimeStringList result = default(MimeStringList);
            Charset        encodingCharset;

            if (encodingOptions.CharsetName != null)
            {
                encodingCharset = encodingOptions.GetEncodingCharset();
            }
            else
            {
                OutboundCodePageDetector outboundCodePageDetector = new OutboundCodePageDetector();
                outboundCodePageDetector.AddText(value);
                int codePage = outboundCodePageDetector.GetCodePage();
                if (!Charset.TryGetCharset(codePage, out encodingCharset))
                {
                    encodingCharset = MimeCommon.DefaultEncodingOptions.GetEncodingCharset();
                }
            }
            ByteEncoder.Tables.CharClasses charClasses = ByteEncoder.Tables.CharClasses.QEncode;
            if (style == ValueEncodingStyle.Phrase)
            {
                charClasses |= ByteEncoder.Tables.CharClasses.QPhraseUnsafe;
            }
            else if (style == ValueEncodingStyle.Comment)
            {
                charClasses |= ByteEncoder.Tables.CharClasses.QCommentUnsafe;
            }
            bool allowQEncoding = false;

            MimeCommon.CalculateMethodAndChunkSize calculateMethodAndChunkSize;
            if (encodingCharset.Kind == CodePageKind.Sbcs)
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeSbcs;
                if (encodingCharset.AsciiSupport >= CodePageAsciiSupport.Fine)
                {
                    allowQEncoding = true;
                }
            }
            else if (encodingCharset.Kind == CodePageKind.Dbcs)
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeDbcs;
                if (encodingCharset.AsciiSupport >= CodePageAsciiSupport.Fine)
                {
                    allowQEncoding = true;
                }
            }
            else if (encodingCharset.CodePage == 65001)
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeUtf8;
                allowQEncoding = true;
            }
            else if (encodingCharset.CodePage == 1200 || encodingCharset.CodePage == 1201)
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeUnicode16;
            }
            else if (encodingCharset.CodePage == 12000 || encodingCharset.CodePage == 12001)
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeUnicode32;
            }
            else
            {
                calculateMethodAndChunkSize = MimeCommon.calculateMethodAndChunkSizeMbcs;
            }
            int num  = 75;
            int num2 = 7 + encodingCharset.Name.Length;
            int num3 = num - num2;

            if (num3 < 32)
            {
                num  = num2 + 32;
                num3 = 32;
            }
            byte[]   byteBuffer = ScratchPad.GetByteBuffer(num3);
            Encoding encoding   = encodingCharset.GetEncoding();

            byte[] array = new byte[5 + encodingCharset.Name.Length];
            int    num4  = 0;

            array[num4++] = 61;
            array[num4++] = 63;
            num4         += ByteString.StringToBytes(encodingCharset.Name, array, num4, false);
            array[num4++] = 63;
            array[num4++] = 88;
            array[num4++] = 63;
            MimeString mimeString = new MimeString(array);
            int        num5       = 0;

            byte[] array2 = null;
            int    num6   = 0;
            int    num7   = num3 / 4;

            while (num5 != value.Length)
            {
                byte b;
                int  num8;
                calculateMethodAndChunkSize(allowQEncoding, charClasses, encoding, value, num5, num3, out b, out num8);
                int bytes;
                int num10;
                for (;;)
                {
                    for (;;)
                    {
                        try
                        {
                            bytes = encoding.GetBytes(value, num5, num8, byteBuffer, 0);
                        }
                        catch (ArgumentException)
                        {
                            if (num8 < 2)
                            {
                                throw;
                            }
                            num8 -= ((num8 > 10) ? 3 : 1);
                            if (MimeCommon.IsLowSurrogate(value[num5 + num8]) && MimeCommon.IsHighSurrogate(value[num5 + num8 - 1]))
                            {
                                num8--;
                            }
                            break;
                        }
                        if (bytes == 0)
                        {
                            goto IL_424;
                        }
                        if (array2 == null || array2.Length - num6 < num + 1)
                        {
                            if (array2 != null)
                            {
                                result.Append(new MimeString(array2, 0, num6));
                                num6 = 0;
                            }
                            int val  = ((value.Length - num5) / num8 + 1) * (num + 1);
                            int num9 = Math.Min(val, 4096 / (num + 1) * (num + 1));
                            array2 = new byte[num9];
                        }
                        num10 = num6;
                        if (result.Count > 0 || num10 > 0)
                        {
                            array2[num10++] = 32;
                        }
                        num10            += mimeString.CopyTo(array2, num10);
                        array2[num10 - 2] = b;
                        if (b != 81)
                        {
                            goto IL_3F5;
                        }
                        int num11 = num10;
                        int num12 = 0;
                        while (num12 < bytes && num10 - num11 + 1 <= num3)
                        {
                            byte b2 = byteBuffer[num12];
                            if (MimeCommon.QEncodingRequired((char)b2, charClasses))
                            {
                                if (num10 - num11 + 3 > num3)
                                {
                                    break;
                                }
                                array2[num10++] = 61;
                                array2[num10++] = ByteEncoder.NibbleToHex[b2 >> 4];
                                array2[num10++] = ByteEncoder.NibbleToHex[(int)(b2 & 15)];
                            }
                            else
                            {
                                if (b2 == 32)
                                {
                                    b2 = 95;
                                }
                                array2[num10++] = b2;
                            }
                            num12++;
                        }
                        if (num12 == bytes)
                        {
                            goto IL_408;
                        }
                        if (num8 < 2)
                        {
                            goto Block_26;
                        }
                        num8 -= ((num8 > 10) ? 3 : 1);
                        if (MimeCommon.IsLowSurrogate(value[num5 + num8]) && MimeCommon.IsHighSurrogate(value[num5 + num8 - 1]))
                        {
                            num8--;
                        }
                    }
                }
IL_424:
                num5 += num8;
                continue;
Block_26:
                throw new InvalidOperationException("unexpected thing just happened");
IL_408:
                array2[num10++] = 63;
                array2[num10++] = 61;
                num6            = num10;
                goto IL_424;
IL_3F5:
                num10 += MimeCommon.Base64EncodeChunk(byteBuffer, 0, bytes, array2, num10);
                goto IL_408;
            }
            if (array2 != null)
            {
                result.Append(new MimeString(array2, 0, num6));
            }
            return(result);
        }