| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System; |
| | | 5 | | using System.Collections.Generic; |
| | | 6 | | using System.Globalization; |
| | | 7 | | using System.IO; |
| | | 8 | | using System.Text; |
| | | 9 | | using System.Threading; |
| | | 10 | | using System.Threading.Tasks; |
| | | 11 | | using System.Xml; |
| | | 12 | | using System.Xml.XPath; |
| | | 13 | | |
| | | 14 | | namespace CoreWCF.Xml |
| | | 15 | | { |
| | | 16 | | internal interface IXmlMtomWriterInitializer |
| | | 17 | | { |
| | | 18 | | void SetOutput(Stream stream, Encoding encoding, int maxSizeInBytes, string startInfo, string boundary, string s |
| | | 19 | | } |
| | | 20 | | |
| | | 21 | | internal class XmlMtomWriter : XmlDictionaryWriter, IXmlMtomWriterInitializer, IAsyncXmlWriter |
| | | 22 | | { |
| | | 23 | | public static XmlDictionaryWriter Create(Stream stream, Encoding encoding, int maxSizeInBytes, string startInfo) |
| | | 24 | | |
| | | 25 | | public static XmlDictionaryWriter Create(Stream stream, Encoding encoding, int maxSizeInBytes, string startInfo, |
| | | 26 | | { |
| | | 27 | | XmlMtomWriter writer = new XmlMtomWriter(); |
| | | 28 | | writer.SetOutput(stream, encoding, maxSizeInBytes, startInfo, boundary, startUri, writeMessageHeaders, ownsS |
| | | 29 | | return writer; |
| | | 30 | | } |
| | | 31 | | |
| | | 32 | | // Maximum number of bytes that are inlined as base64 data without being MTOM-optimized as xop:Include |
| | | 33 | | private const int MaxInlinedBytes = 767; // 768 will be the first MIMEd length |
| | | 34 | | |
| | | 35 | | private int _maxSizeInBytes; |
| | | 36 | | private XmlDictionaryWriter _writer; |
| | | 37 | | private XmlDictionaryWriter _infosetWriter; |
| | | 38 | | private MimeWriter _mimeWriter; |
| | | 39 | | private Encoding _encoding; |
| | | 40 | | private bool _isUTF8; |
| | | 41 | | private string _contentID; |
| | | 42 | | private string _contentType; |
| | | 43 | | private string _initialContentTypeForRootPart; |
| | | 44 | | private string _initialContentTypeForMimeMessage; |
| | | 45 | | private MemoryStream _contentTypeStream; |
| | | 46 | | private List<MimePart> _mimeParts; |
| | | 47 | | private IList<MtomBinaryData> _binaryDataChunks; |
| | | 48 | | private int _depth; |
| | | 49 | | private int _totalSizeOfMimeParts; |
| | | 50 | | private int _sizeOfBufferedBinaryData; |
| | | 51 | | private char[] _chars; |
| | | 52 | | private byte[] _bytes; |
| | | 53 | | private bool _isClosed; |
| | | 54 | | private bool _ownsStream; |
| | | 55 | | |
| | | 56 | | public XmlMtomWriter() |
| | | 57 | | { |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | public void SetOutput(Stream stream, Encoding encoding, int maxSizeInBytes, string startInfo, string boundary, s |
| | | 61 | | { |
| | | 62 | | if (encoding == null) |
| | | 63 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(encoding)); |
| | | 64 | | if (maxSizeInBytes < 0) |
| | | 65 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(maxSize |
| | | 66 | | _maxSizeInBytes = maxSizeInBytes; |
| | | 67 | | _encoding = encoding; |
| | | 68 | | _isUTF8 = IsUTF8Encoding(encoding); |
| | | 69 | | Initialize(stream, startInfo, boundary, startUri, writeMessageHeaders, ownsStream); |
| | | 70 | | } |
| | | 71 | | |
| | | 72 | | private XmlDictionaryWriter Writer |
| | | 73 | | { |
| | | 74 | | get |
| | | 75 | | { |
| | | 76 | | if (!IsInitialized) |
| | | 77 | | { |
| | | 78 | | Initialize(); |
| | | 79 | | } |
| | | 80 | | return _writer; |
| | | 81 | | } |
| | | 82 | | } |
| | | 83 | | |
| | | 84 | | private bool IsInitialized => (_initialContentTypeForRootPart == null); |
| | | 85 | | |
| | | 86 | | private void Initialize(Stream stream, string startInfo, string boundary, string startUri, bool writeMessageHead |
| | | 87 | | { |
| | | 88 | | if (stream == null) |
| | | 89 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(stream)); |
| | | 90 | | if (startInfo == null) |
| | | 91 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(startInfo)); |
| | | 92 | | if (boundary == null) |
| | | 93 | | boundary = GetBoundaryString(); |
| | | 94 | | if (startUri == null) |
| | | 95 | | startUri = GenerateUriForMimePart(0); |
| | | 96 | | if (!MailBnfHelper.IsValidMimeBoundary(boundary)) |
| | | 97 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.Format(SR.MtomBoundar |
| | | 98 | | |
| | | 99 | | _ownsStream = ownsStream; |
| | | 100 | | _isClosed = false; |
| | | 101 | | _depth = 0; |
| | | 102 | | _totalSizeOfMimeParts = 0; |
| | | 103 | | _sizeOfBufferedBinaryData = 0; |
| | | 104 | | _binaryDataChunks = null; |
| | | 105 | | _contentType = null; |
| | | 106 | | _contentTypeStream = null; |
| | | 107 | | _contentID = startUri; |
| | | 108 | | if (_mimeParts != null) |
| | | 109 | | _mimeParts.Clear(); |
| | | 110 | | _mimeWriter = new MimeWriter(stream, boundary); |
| | | 111 | | _initialContentTypeForRootPart = GetContentTypeForRootMimePart(_encoding, startInfo); |
| | | 112 | | if (writeMessageHeaders) |
| | | 113 | | _initialContentTypeForMimeMessage = GetContentTypeForMimeMessage(boundary, startUri, startInfo); |
| | | 114 | | } |
| | | 115 | | |
| | | 116 | | private void Initialize() |
| | | 117 | | { |
| | | 118 | | if (_isClosed) |
| | | 119 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.XmlWriterClos |
| | | 120 | | |
| | | 121 | | if (_initialContentTypeForRootPart != null) |
| | | 122 | | { |
| | | 123 | | if (_initialContentTypeForMimeMessage != null) |
| | | 124 | | { |
| | | 125 | | _mimeWriter.StartPreface(); |
| | | 126 | | _mimeWriter.WriteHeader(MimeGlobals.MimeVersionHeader, MimeGlobals.DefaultVersion); |
| | | 127 | | _mimeWriter.WriteHeader(MimeGlobals.ContentTypeHeader, _initialContentTypeForMimeMessage); |
| | | 128 | | _initialContentTypeForMimeMessage = null; |
| | | 129 | | } |
| | | 130 | | |
| | | 131 | | WriteMimeHeaders(_contentID, _initialContentTypeForRootPart, _isUTF8 ? MimeGlobals.Encoding8bit : MimeGl |
| | | 132 | | |
| | | 133 | | Stream infosetContentStream = _mimeWriter.GetContentStreamAsync().GetAwaiter().GetResult(); |
| | | 134 | | IXmlTextWriterInitializer initializer = _writer as IXmlTextWriterInitializer; |
| | | 135 | | if (initializer == null) |
| | | 136 | | _writer = XmlDictionaryWriter.CreateTextWriter(infosetContentStream, _encoding, _ownsStream); |
| | | 137 | | else |
| | | 138 | | initializer.SetOutput(infosetContentStream, _encoding, _ownsStream); |
| | | 139 | | |
| | | 140 | | _contentID = null; |
| | | 141 | | _initialContentTypeForRootPart = null; |
| | | 142 | | } |
| | | 143 | | } |
| | | 144 | | |
| | | 145 | | private static string GetBoundaryString() => MimeBoundaryGenerator.Next(); |
| | | 146 | | |
| | | 147 | | internal static bool IsUTF8Encoding(Encoding encoding) => encoding.WebName == "utf-8"; |
| | | 148 | | |
| | | 149 | | private static string GetContentTypeForMimeMessage(string boundary, string startUri, string startInfo) |
| | | 150 | | { |
| | | 151 | | StringBuilder contentTypeBuilder = new StringBuilder( |
| | | 152 | | string.Format(CultureInfo.InvariantCulture, "{0}/{1};{2}=\"{3}\";{4}=\"{5}\"", |
| | | 153 | | MtomGlobals.MediaType, MtomGlobals.MediaSubtype, |
| | | 154 | | MtomGlobals.TypeParam, MtomGlobals.XopType, |
| | | 155 | | MtomGlobals.BoundaryParam, boundary)); |
| | | 156 | | |
| | | 157 | | if (startUri != null && startUri.Length > 0) |
| | | 158 | | contentTypeBuilder.AppendFormat(CultureInfo.InvariantCulture, ";{0}=\"<{1}>\"", MtomGlobals.StartParam, |
| | | 159 | | |
| | | 160 | | if (startInfo != null && startInfo.Length > 0) |
| | | 161 | | contentTypeBuilder.AppendFormat(CultureInfo.InvariantCulture, ";{0}=\"{1}\"", MtomGlobals.StartInfoParam |
| | | 162 | | |
| | | 163 | | return contentTypeBuilder.ToString(); |
| | | 164 | | } |
| | | 165 | | |
| | | 166 | | private static string GetContentTypeForRootMimePart(Encoding encoding, string startInfo) |
| | | 167 | | { |
| | | 168 | | string contentType = string.Format(CultureInfo.InvariantCulture, "{0};{1}={2}", MtomGlobals.XopType, MtomGlo |
| | | 169 | | |
| | | 170 | | if (startInfo != null) |
| | | 171 | | contentType = string.Format(CultureInfo.InvariantCulture, "{0};{1}=\"{2}\"", contentType, MtomGlobals.Ty |
| | | 172 | | |
| | | 173 | | return contentType; |
| | | 174 | | } |
| | | 175 | | |
| | | 176 | | private static string CharSet(Encoding enc) |
| | | 177 | | { |
| | | 178 | | string name = enc.WebName; |
| | | 179 | | if (string.Compare(name, Encoding.UTF8.WebName, StringComparison.OrdinalIgnoreCase) == 0) |
| | | 180 | | return name; |
| | | 181 | | if (string.Compare(name, Encoding.Unicode.WebName, StringComparison.OrdinalIgnoreCase) == 0) |
| | | 182 | | return "utf-16LE"; |
| | | 183 | | if (string.Compare(name, Encoding.BigEndianUnicode.WebName, StringComparison.OrdinalIgnoreCase) == 0) |
| | | 184 | | return "utf-16BE"; |
| | | 185 | | return name; |
| | | 186 | | } |
| | | 187 | | |
| | | 188 | | public override void WriteStartElement(string prefix, string localName, string ns) |
| | | 189 | | { |
| | | 190 | | WriteBase64InlineIfPresent(); |
| | | 191 | | ThrowIfElementIsXOPInclude(prefix, localName, ns); |
| | | 192 | | Writer.WriteStartElement(prefix, localName, ns); |
| | | 193 | | _depth++; |
| | | 194 | | } |
| | | 195 | | |
| | | 196 | | public override async Task WriteStartElementAsync(string prefix, string localName, string ns) |
| | | 197 | | { |
| | | 198 | | await WriteBase64InlineIfPresentAsync(); |
| | | 199 | | ThrowIfElementIsXOPInclude(prefix, localName, ns); |
| | | 200 | | await Writer.WriteStartElementAsync(prefix, localName, ns); |
| | | 201 | | _depth++; |
| | | 202 | | } |
| | | 203 | | |
| | | 204 | | public override void WriteStartElement(string prefix, XmlDictionaryString localName, XmlDictionaryString ns) |
| | | 205 | | { |
| | | 206 | | if (localName == null) |
| | | 207 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(localName)); |
| | | 208 | | |
| | | 209 | | WriteBase64InlineIfPresent(); |
| | | 210 | | ThrowIfElementIsXOPInclude(prefix, localName.Value, ns == null ? null : ns.Value); |
| | | 211 | | Writer.WriteStartElement(prefix, localName, ns); |
| | | 212 | | _depth++; |
| | | 213 | | } |
| | | 214 | | |
| | | 215 | | private void ThrowIfElementIsXOPInclude(string prefix, string localName, string ns) |
| | | 216 | | { |
| | | 217 | | if (ns == null) |
| | | 218 | | { |
| | | 219 | | // This check isn't as thorough as on .NET Framework due to use of internal api's. |
| | | 220 | | // The scenario that this won't catch is when the XopIncludeNamespace has been added |
| | | 221 | | // multiple times with different prefixes. I don't believe that will be the case as |
| | | 222 | | // any attempt to add it with a different prefix would hit this code path anyway. |
| | | 223 | | var xopPrefix = Writer.LookupPrefix(MtomGlobals.XopIncludeNamespace); |
| | | 224 | | if (xopPrefix != null && xopPrefix == prefix) |
| | | 225 | | ns = MtomGlobals.XopIncludeNamespace; |
| | | 226 | | } |
| | | 227 | | |
| | | 228 | | if (localName == MtomGlobals.XopIncludeLocalName && ns == MtomGlobals.XopIncludeNamespace) |
| | | 229 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.MtomDataMustNotC |
| | | 230 | | } |
| | | 231 | | |
| | | 232 | | public override void WriteEndElement() |
| | | 233 | | { |
| | | 234 | | WriteXOPInclude(); |
| | | 235 | | Writer.WriteEndElement(); |
| | | 236 | | _depth--; |
| | | 237 | | WriteXOPBinaryParts(); |
| | | 238 | | } |
| | | 239 | | |
| | | 240 | | public override async Task WriteEndElementAsync() |
| | | 241 | | { |
| | | 242 | | await WriteXOPIncludeAsync(); |
| | | 243 | | await Writer.WriteEndElementAsync(); |
| | | 244 | | _depth--; |
| | | 245 | | await WriteXOPBinaryPartsAsync(); |
| | | 246 | | } |
| | | 247 | | |
| | | 248 | | public override void WriteFullEndElement() |
| | | 249 | | { |
| | | 250 | | WriteXOPInclude(); |
| | | 251 | | Writer.WriteFullEndElement(); |
| | | 252 | | _depth--; |
| | | 253 | | WriteXOPBinaryParts(); |
| | | 254 | | } |
| | | 255 | | |
| | | 256 | | public override void WriteValue(IStreamProvider value) |
| | | 257 | | { |
| | | 258 | | if (value == null) |
| | | 259 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(value))); |
| | | 260 | | |
| | | 261 | | if (Writer.WriteState == WriteState.Element) |
| | | 262 | | { |
| | | 263 | | if (_binaryDataChunks == null) |
| | | 264 | | { |
| | | 265 | | _binaryDataChunks = new List<MtomBinaryData>(); |
| | | 266 | | _contentID = GenerateUriForMimePart((_mimeParts == null) ? 1 : _mimeParts.Count + 1); |
| | | 267 | | } |
| | | 268 | | _binaryDataChunks.Add(new MtomBinaryData(value)); |
| | | 269 | | } |
| | | 270 | | else |
| | | 271 | | Writer.WriteValue(value); |
| | | 272 | | } |
| | | 273 | | |
| | | 274 | | public override Task WriteValueAsync(IStreamProvider value) |
| | | 275 | | { |
| | | 276 | | if (value == null) |
| | | 277 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(value))); |
| | | 278 | | |
| | | 279 | | if (Writer.WriteState == WriteState.Element) |
| | | 280 | | { |
| | | 281 | | if (_binaryDataChunks == null) |
| | | 282 | | { |
| | | 283 | | _binaryDataChunks = new List<MtomBinaryData>(); |
| | | 284 | | _contentID = GenerateUriForMimePart((_mimeParts == null) ? 1 : _mimeParts.Count + 1); |
| | | 285 | | } |
| | | 286 | | _binaryDataChunks.Add(new MtomBinaryData(value)); |
| | | 287 | | return Task.CompletedTask; |
| | | 288 | | } |
| | | 289 | | else |
| | | 290 | | return Writer.WriteValueAsync(value); |
| | | 291 | | } |
| | | 292 | | |
| | | 293 | | public override void WriteBase64(byte[] buffer, int index, int count) |
| | | 294 | | { |
| | | 295 | | if (Writer.WriteState == WriteState.Element) |
| | | 296 | | { |
| | | 297 | | if (buffer == null) |
| | | 298 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(buffer))) |
| | | 299 | | |
| | | 300 | | // Not checking upper bound because it will be caught by "count". This is what XmlTextWriter does. |
| | | 301 | | if (index < 0) |
| | | 302 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(ind |
| | | 303 | | |
| | | 304 | | if (count < 0) |
| | | 305 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(cou |
| | | 306 | | if (count > buffer.Length - index) |
| | | 307 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(cou |
| | | 308 | | |
| | | 309 | | if (_binaryDataChunks == null) |
| | | 310 | | { |
| | | 311 | | _binaryDataChunks = new List<MtomBinaryData>(); |
| | | 312 | | _contentID = GenerateUriForMimePart((_mimeParts == null) ? 1 : _mimeParts.Count + 1); |
| | | 313 | | } |
| | | 314 | | |
| | | 315 | | int totalSize = ValidateSizeOfMessage(_maxSizeInBytes, 0, _totalSizeOfMimeParts); |
| | | 316 | | totalSize += ValidateSizeOfMessage(_maxSizeInBytes, totalSize, _sizeOfBufferedBinaryData); |
| | | 317 | | totalSize += ValidateSizeOfMessage(_maxSizeInBytes, totalSize, count); |
| | | 318 | | _sizeOfBufferedBinaryData += count; |
| | | 319 | | _binaryDataChunks.Add(new MtomBinaryData(buffer, index, count)); |
| | | 320 | | } |
| | | 321 | | else |
| | | 322 | | Writer.WriteBase64(buffer, index, count); |
| | | 323 | | } |
| | | 324 | | |
| | | 325 | | internal static int ValidateSizeOfMessage(int maxSize, int offset, int size) |
| | | 326 | | { |
| | | 327 | | if (size > (maxSize - offset)) |
| | | 328 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.MtomExceededMaxS |
| | | 329 | | return size; |
| | | 330 | | } |
| | | 331 | | |
| | | 332 | | private void WriteBase64InlineIfPresent() |
| | | 333 | | { |
| | | 334 | | if (_binaryDataChunks != null) |
| | | 335 | | { |
| | | 336 | | WriteBase64Inline(); |
| | | 337 | | } |
| | | 338 | | } |
| | | 339 | | |
| | | 340 | | private Task WriteBase64InlineIfPresentAsync() |
| | | 341 | | { |
| | | 342 | | if (_binaryDataChunks != null) |
| | | 343 | | { |
| | | 344 | | return WriteBase64InlineAsync(); |
| | | 345 | | } |
| | | 346 | | else |
| | | 347 | | { |
| | | 348 | | return Task.CompletedTask; |
| | | 349 | | } |
| | | 350 | | } |
| | | 351 | | |
| | | 352 | | private void WriteBase64Inline() |
| | | 353 | | { |
| | | 354 | | foreach (MtomBinaryData data in _binaryDataChunks) |
| | | 355 | | { |
| | | 356 | | if (data.type == MtomBinaryDataType.Provider) |
| | | 357 | | { |
| | | 358 | | Writer.WriteValue(data.provider); |
| | | 359 | | } |
| | | 360 | | else |
| | | 361 | | { |
| | | 362 | | Writer.WriteBase64(data.chunk, 0, data.chunk.Length); |
| | | 363 | | } |
| | | 364 | | } |
| | | 365 | | _sizeOfBufferedBinaryData = 0; |
| | | 366 | | _binaryDataChunks = null; |
| | | 367 | | _contentType = null; |
| | | 368 | | _contentID = null; |
| | | 369 | | } |
| | | 370 | | |
| | | 371 | | private async Task WriteBase64InlineAsync() |
| | | 372 | | { |
| | | 373 | | foreach (MtomBinaryData data in _binaryDataChunks) |
| | | 374 | | { |
| | | 375 | | if (data.type == MtomBinaryDataType.Provider) |
| | | 376 | | { |
| | | 377 | | await Writer.WriteValueAsync(data.provider); |
| | | 378 | | } |
| | | 379 | | else |
| | | 380 | | { |
| | | 381 | | await Writer.WriteBase64Async(data.chunk, 0, data.chunk.Length); |
| | | 382 | | } |
| | | 383 | | } |
| | | 384 | | _sizeOfBufferedBinaryData = 0; |
| | | 385 | | _binaryDataChunks = null; |
| | | 386 | | _contentType = null; |
| | | 387 | | _contentID = null; |
| | | 388 | | } |
| | | 389 | | |
| | | 390 | | private void WriteXOPInclude() |
| | | 391 | | { |
| | | 392 | | if (_binaryDataChunks == null) |
| | | 393 | | return; |
| | | 394 | | |
| | | 395 | | bool inline = true; |
| | | 396 | | long size = 0; |
| | | 397 | | foreach (MtomBinaryData data in _binaryDataChunks) |
| | | 398 | | { |
| | | 399 | | long len = data.Length; |
| | | 400 | | if (len < 0 || len > (MaxInlinedBytes - size)) |
| | | 401 | | { |
| | | 402 | | inline = false; |
| | | 403 | | break; |
| | | 404 | | } |
| | | 405 | | size += len; |
| | | 406 | | } |
| | | 407 | | |
| | | 408 | | if (inline) |
| | | 409 | | WriteBase64Inline(); |
| | | 410 | | else |
| | | 411 | | { |
| | | 412 | | if (_mimeParts == null) |
| | | 413 | | _mimeParts = new List<MimePart>(); |
| | | 414 | | |
| | | 415 | | MimePart mimePart = new MimePart(_binaryDataChunks, _contentID, _contentType, MimeGlobals.EncodingBinary |
| | | 416 | | _mimeParts.Add(mimePart); |
| | | 417 | | |
| | | 418 | | _totalSizeOfMimeParts += ValidateSizeOfMessage(_maxSizeInBytes, _totalSizeOfMimeParts, mimePart.sizeInBy |
| | | 419 | | _totalSizeOfMimeParts += ValidateSizeOfMessage(_maxSizeInBytes, _totalSizeOfMimeParts, _mimeWriter.GetBo |
| | | 420 | | |
| | | 421 | | Writer.WriteStartElement(MtomGlobals.XopIncludePrefix, MtomGlobals.XopIncludeLocalName, MtomGlobals.XopI |
| | | 422 | | Writer.WriteStartAttribute(MtomGlobals.XopIncludeHrefLocalName, MtomGlobals.XopIncludeHrefNamespace); |
| | | 423 | | Writer.WriteValue(string.Format(CultureInfo.InvariantCulture, "{0}{1}", MimeGlobals.ContentIDScheme, _co |
| | | 424 | | Writer.WriteEndAttribute(); |
| | | 425 | | Writer.WriteEndElement(); |
| | | 426 | | _binaryDataChunks = null; |
| | | 427 | | _sizeOfBufferedBinaryData = 0; |
| | | 428 | | _contentType = null; |
| | | 429 | | _contentID = null; |
| | | 430 | | } |
| | | 431 | | } |
| | | 432 | | |
| | | 433 | | private async Task WriteXOPIncludeAsync() |
| | | 434 | | { |
| | | 435 | | if (_binaryDataChunks == null) |
| | | 436 | | return; |
| | | 437 | | |
| | | 438 | | bool inline = true; |
| | | 439 | | long size = 0; |
| | | 440 | | foreach (MtomBinaryData data in _binaryDataChunks) |
| | | 441 | | { |
| | | 442 | | long len = data.Length; |
| | | 443 | | if (len < 0 || len > (MaxInlinedBytes - size)) |
| | | 444 | | { |
| | | 445 | | inline = false; |
| | | 446 | | break; |
| | | 447 | | } |
| | | 448 | | size += len; |
| | | 449 | | } |
| | | 450 | | |
| | | 451 | | if (inline) |
| | | 452 | | await WriteBase64InlineAsync(); |
| | | 453 | | else |
| | | 454 | | { |
| | | 455 | | if (_mimeParts == null) |
| | | 456 | | _mimeParts = new List<MimePart>(); |
| | | 457 | | |
| | | 458 | | MimePart mimePart = new MimePart(_binaryDataChunks, _contentID, _contentType, MimeGlobals.EncodingBinary |
| | | 459 | | _mimeParts.Add(mimePart); |
| | | 460 | | |
| | | 461 | | _totalSizeOfMimeParts += ValidateSizeOfMessage(_maxSizeInBytes, _totalSizeOfMimeParts, mimePart.sizeInBy |
| | | 462 | | _totalSizeOfMimeParts += ValidateSizeOfMessage(_maxSizeInBytes, _totalSizeOfMimeParts, _mimeWriter.GetBo |
| | | 463 | | |
| | | 464 | | await Writer.WriteStartElementAsync(MtomGlobals.XopIncludePrefix, MtomGlobals.XopIncludeLocalName, MtomG |
| | | 465 | | Writer.WriteStartAttribute(MtomGlobals.XopIncludeHrefLocalName, MtomGlobals.XopIncludeHrefNamespace); |
| | | 466 | | Writer.WriteString(string.Format(CultureInfo.InvariantCulture, "{0}{1}", MimeGlobals.ContentIDScheme, _c |
| | | 467 | | Writer.WriteEndAttribute(); |
| | | 468 | | await Writer.WriteEndElementAsync(); |
| | | 469 | | _binaryDataChunks = null; |
| | | 470 | | _sizeOfBufferedBinaryData = 0; |
| | | 471 | | _contentType = null; |
| | | 472 | | _contentID = null; |
| | | 473 | | } |
| | | 474 | | } |
| | | 475 | | |
| | | 476 | | public static string GenerateUriForMimePart(int index) => string.Format(CultureInfo.InvariantCulture, "http://te |
| | | 477 | | |
| | | 478 | | private void WriteXOPBinaryParts() |
| | | 479 | | { |
| | | 480 | | if (_depth > 0 || _mimeWriter.WriteState == MimeWriterState.Closed) |
| | | 481 | | return; |
| | | 482 | | |
| | | 483 | | if (Writer.WriteState != WriteState.Closed) |
| | | 484 | | Writer.Flush(); |
| | | 485 | | |
| | | 486 | | if (_mimeParts != null) |
| | | 487 | | { |
| | | 488 | | foreach (MimePart part in _mimeParts) |
| | | 489 | | { |
| | | 490 | | WriteMimeHeaders(part.contentID, part.contentType, part.contentTransferEncoding); |
| | | 491 | | Stream s = _mimeWriter.GetContentStream(); |
| | | 492 | | int bufferSize = 65536; |
| | | 493 | | Stream stream = null; |
| | | 494 | | foreach (MtomBinaryData data in part.binaryData) |
| | | 495 | | { |
| | | 496 | | if (data.type == MtomBinaryDataType.Provider) |
| | | 497 | | { |
| | | 498 | | stream = data.provider.GetStream(); |
| | | 499 | | if (stream == null) |
| | | 500 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.XmlInvalid |
| | | 501 | | |
| | | 502 | | stream.CopyTo(s, bufferSize); |
| | | 503 | | |
| | | 504 | | data.provider.ReleaseStream(stream); |
| | | 505 | | } |
| | | 506 | | else |
| | | 507 | | { |
| | | 508 | | s.Write(data.chunk, 0, data.chunk.Length); |
| | | 509 | | } |
| | | 510 | | } |
| | | 511 | | } |
| | | 512 | | _mimeParts.Clear(); |
| | | 513 | | } |
| | | 514 | | _mimeWriter.Close(); |
| | | 515 | | } |
| | | 516 | | |
| | | 517 | | private async Task WriteXOPBinaryPartsAsync() |
| | | 518 | | { |
| | | 519 | | if (_depth > 0 || _mimeWriter.WriteState == MimeWriterState.Closed) |
| | | 520 | | return; |
| | | 521 | | |
| | | 522 | | if (Writer.WriteState != WriteState.Closed) |
| | | 523 | | await Writer.FlushAsync(); |
| | | 524 | | |
| | | 525 | | if (_mimeParts != null) |
| | | 526 | | { |
| | | 527 | | foreach (MimePart part in _mimeParts) |
| | | 528 | | { |
| | | 529 | | await WriteMimeHeadersAsync(part.contentID, part.contentType, part.contentTransferEncoding); |
| | | 530 | | Stream s = await _mimeWriter.GetContentStreamAsync(); |
| | | 531 | | int bufferSize = 65536; |
| | | 532 | | Stream stream = null; |
| | | 533 | | foreach (MtomBinaryData data in part.binaryData) |
| | | 534 | | { |
| | | 535 | | if (data.type == MtomBinaryDataType.Provider) |
| | | 536 | | { |
| | | 537 | | stream = data.provider.GetStream(); |
| | | 538 | | if (stream == null) |
| | | 539 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.XmlInvalid |
| | | 540 | | |
| | | 541 | | await stream.CopyToAsync(s, bufferSize); |
| | | 542 | | |
| | | 543 | | data.provider.ReleaseStream(stream); |
| | | 544 | | } |
| | | 545 | | else |
| | | 546 | | { |
| | | 547 | | await s.WriteAsync(data.chunk, 0, data.chunk.Length); |
| | | 548 | | } |
| | | 549 | | } |
| | | 550 | | } |
| | | 551 | | _mimeParts.Clear(); |
| | | 552 | | } |
| | | 553 | | await _mimeWriter.CloseAsync(); |
| | | 554 | | } |
| | | 555 | | |
| | | 556 | | private void WriteMimeHeaders(string contentID, string contentType, string contentTransferEncoding) |
| | | 557 | | { |
| | | 558 | | _mimeWriter.StartPart(); |
| | | 559 | | if (contentID != null) |
| | | 560 | | _mimeWriter.WriteHeader(MimeGlobals.ContentIDHeader, string.Format(CultureInfo.InvariantCulture, "<{0}>" |
| | | 561 | | if (contentTransferEncoding != null) |
| | | 562 | | _mimeWriter.WriteHeader(MimeGlobals.ContentTransferEncodingHeader, contentTransferEncoding); |
| | | 563 | | if (contentType != null) |
| | | 564 | | _mimeWriter.WriteHeader(MimeGlobals.ContentTypeHeader, contentType); |
| | | 565 | | } |
| | | 566 | | |
| | | 567 | | private async Task WriteMimeHeadersAsync(string contentID, string contentType, string contentTransferEncoding) |
| | | 568 | | { |
| | | 569 | | await _mimeWriter.StartPartAsync(); |
| | | 570 | | if (contentID != null) |
| | | 571 | | _mimeWriter.WriteHeader(MimeGlobals.ContentIDHeader, string.Format(CultureInfo.InvariantCulture, "<{0}>" |
| | | 572 | | if (contentTransferEncoding != null) |
| | | 573 | | _mimeWriter.WriteHeader(MimeGlobals.ContentTransferEncodingHeader, contentTransferEncoding); |
| | | 574 | | if (contentType != null) |
| | | 575 | | _mimeWriter.WriteHeader(MimeGlobals.ContentTypeHeader, contentType); |
| | | 576 | | } |
| | | 577 | | |
| | | 578 | | public override void Close() |
| | | 579 | | { |
| | | 580 | | if (!_isClosed) |
| | | 581 | | { |
| | | 582 | | _isClosed = true; |
| | | 583 | | if (IsInitialized) |
| | | 584 | | { |
| | | 585 | | WriteXOPInclude(); |
| | | 586 | | if (Writer.WriteState == WriteState.Element || |
| | | 587 | | Writer.WriteState == WriteState.Attribute || |
| | | 588 | | Writer.WriteState == WriteState.Content) |
| | | 589 | | { |
| | | 590 | | Writer.WriteEndDocument(); |
| | | 591 | | } |
| | | 592 | | Writer.Flush(); |
| | | 593 | | _depth = 0; |
| | | 594 | | WriteXOPBinaryParts(); |
| | | 595 | | Writer.Close(); |
| | | 596 | | } |
| | | 597 | | } |
| | | 598 | | } |
| | | 599 | | |
| | | 600 | | private void CheckIfStartContentTypeAttribute(string localName, string ns) |
| | | 601 | | { |
| | | 602 | | if (localName != null && localName == MtomGlobals.MimeContentTypeLocalName |
| | | 603 | | && ns != null && (ns == MtomGlobals.MimeContentTypeNamespace200406 || ns == MtomGlobals.MimeContentTypeN |
| | | 604 | | { |
| | | 605 | | _contentTypeStream = new MemoryStream(); |
| | | 606 | | this._infosetWriter = Writer; |
| | | 607 | | _writer = XmlDictionaryWriter.CreateBinaryWriter(_contentTypeStream); |
| | | 608 | | Writer.WriteStartElement("Wrapper"); |
| | | 609 | | Writer.WriteStartAttribute(localName, ns); |
| | | 610 | | } |
| | | 611 | | } |
| | | 612 | | |
| | | 613 | | private void CheckIfEndContentTypeAttribute() |
| | | 614 | | { |
| | | 615 | | if (_contentTypeStream != null) |
| | | 616 | | { |
| | | 617 | | Writer.WriteEndAttribute(); |
| | | 618 | | Writer.WriteEndElement(); |
| | | 619 | | Writer.Flush(); |
| | | 620 | | _contentTypeStream.Position = 0; |
| | | 621 | | XmlReader contentTypeReader = XmlDictionaryReader.CreateBinaryReader(_contentTypeStream, null, XmlDictio |
| | | 622 | | while (contentTypeReader.Read()) |
| | | 623 | | { |
| | | 624 | | if (contentTypeReader.IsStartElement("Wrapper")) |
| | | 625 | | { |
| | | 626 | | _contentType = contentTypeReader.GetAttribute(MtomGlobals.MimeContentTypeLocalName, MtomGlobals. |
| | | 627 | | if (_contentType == null) |
| | | 628 | | { |
| | | 629 | | _contentType = contentTypeReader.GetAttribute(MtomGlobals.MimeContentTypeLocalName, MtomGlob |
| | | 630 | | } |
| | | 631 | | break; |
| | | 632 | | } |
| | | 633 | | } |
| | | 634 | | _writer = _infosetWriter; |
| | | 635 | | this._infosetWriter = null; |
| | | 636 | | _contentTypeStream = null; |
| | | 637 | | if (_contentType != null) |
| | | 638 | | Writer.WriteString(_contentType); |
| | | 639 | | } |
| | | 640 | | } |
| | | 641 | | |
| | | 642 | | public override void Flush() |
| | | 643 | | { |
| | | 644 | | if (IsInitialized) |
| | | 645 | | Writer.Flush(); |
| | | 646 | | } |
| | | 647 | | |
| | | 648 | | public override Task FlushAsync() |
| | | 649 | | { |
| | | 650 | | if (IsInitialized) |
| | | 651 | | return Writer.FlushAsync(); |
| | | 652 | | else |
| | | 653 | | return Task.CompletedTask; |
| | | 654 | | } |
| | | 655 | | |
| | | 656 | | public override string LookupPrefix(string ns) => Writer.LookupPrefix(ns); |
| | | 657 | | |
| | | 658 | | public override XmlWriterSettings Settings => Writer.Settings; |
| | | 659 | | |
| | | 660 | | public override void WriteAttributes(XmlReader reader, bool defattr) => Writer.WriteAttributes(reader, defattr); |
| | | 661 | | |
| | | 662 | | public override void WriteBinHex(byte[] buffer, int index, int count) |
| | | 663 | | { |
| | | 664 | | WriteBase64InlineIfPresent(); |
| | | 665 | | Writer.WriteBinHex(buffer, index, count); |
| | | 666 | | } |
| | | 667 | | |
| | | 668 | | public override void WriteCData(string text) |
| | | 669 | | { |
| | | 670 | | WriteBase64InlineIfPresent(); |
| | | 671 | | Writer.WriteCData(text); |
| | | 672 | | } |
| | | 673 | | |
| | | 674 | | public override void WriteCharEntity(char ch) |
| | | 675 | | { |
| | | 676 | | WriteBase64InlineIfPresent(); |
| | | 677 | | Writer.WriteCharEntity(ch); |
| | | 678 | | } |
| | | 679 | | |
| | | 680 | | public override void WriteChars(char[] buffer, int index, int count) |
| | | 681 | | { |
| | | 682 | | WriteBase64InlineIfPresent(); |
| | | 683 | | Writer.WriteChars(buffer, index, count); |
| | | 684 | | } |
| | | 685 | | |
| | | 686 | | public override void WriteComment(string text) |
| | | 687 | | { |
| | | 688 | | // Don't write comments after the document element |
| | | 689 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed) |
| | | 690 | | return; |
| | | 691 | | |
| | | 692 | | WriteBase64InlineIfPresent(); |
| | | 693 | | Writer.WriteComment(text); |
| | | 694 | | } |
| | | 695 | | |
| | | 696 | | public override void WriteDocType(string name, string pubid, string sysid, string subset) |
| | | 697 | | { |
| | | 698 | | WriteBase64InlineIfPresent(); |
| | | 699 | | Writer.WriteDocType(name, pubid, sysid, subset); |
| | | 700 | | } |
| | | 701 | | |
| | | 702 | | public override void WriteEndAttribute() |
| | | 703 | | { |
| | | 704 | | CheckIfEndContentTypeAttribute(); |
| | | 705 | | Writer.WriteEndAttribute(); |
| | | 706 | | } |
| | | 707 | | |
| | | 708 | | public override void WriteEndDocument() |
| | | 709 | | { |
| | | 710 | | WriteXOPInclude(); |
| | | 711 | | Writer.WriteEndDocument(); |
| | | 712 | | _depth = 0; |
| | | 713 | | WriteXOPBinaryParts(); |
| | | 714 | | } |
| | | 715 | | |
| | | 716 | | public override void WriteEntityRef(string name) |
| | | 717 | | { |
| | | 718 | | WriteBase64InlineIfPresent(); |
| | | 719 | | Writer.WriteEntityRef(name); |
| | | 720 | | } |
| | | 721 | | |
| | | 722 | | public override void WriteName(string name) |
| | | 723 | | { |
| | | 724 | | WriteBase64InlineIfPresent(); |
| | | 725 | | Writer.WriteName(name); |
| | | 726 | | } |
| | | 727 | | |
| | | 728 | | public override void WriteNmToken(string name) |
| | | 729 | | { |
| | | 730 | | WriteBase64InlineIfPresent(); |
| | | 731 | | Writer.WriteNmToken(name); |
| | | 732 | | } |
| | | 733 | | |
| | | 734 | | protected override void WriteTextNode(XmlDictionaryReader reader, bool attribute) |
| | | 735 | | { |
| | | 736 | | Type type = reader.ValueType; |
| | | 737 | | if (type == typeof(string)) |
| | | 738 | | { |
| | | 739 | | if (reader.CanReadValueChunk) |
| | | 740 | | { |
| | | 741 | | if (_chars == null) |
| | | 742 | | { |
| | | 743 | | _chars = new char[256]; |
| | | 744 | | } |
| | | 745 | | int count; |
| | | 746 | | while ((count = reader.ReadValueChunk(_chars, 0, _chars.Length)) > 0) |
| | | 747 | | { |
| | | 748 | | WriteChars(_chars, 0, count); |
| | | 749 | | } |
| | | 750 | | } |
| | | 751 | | else |
| | | 752 | | { |
| | | 753 | | WriteString(reader.Value); |
| | | 754 | | } |
| | | 755 | | if (!attribute) |
| | | 756 | | { |
| | | 757 | | reader.Read(); |
| | | 758 | | } |
| | | 759 | | } |
| | | 760 | | else if (type == typeof(byte[])) |
| | | 761 | | { |
| | | 762 | | if (reader.CanReadBinaryContent) |
| | | 763 | | { |
| | | 764 | | // Its best to read in buffers that are a multiple of 3 so we don't break base64 boundaries when con |
| | | 765 | | if (_bytes == null) |
| | | 766 | | { |
| | | 767 | | _bytes = new byte[384]; |
| | | 768 | | } |
| | | 769 | | int count; |
| | | 770 | | while ((count = reader.ReadValueAsBase64(_bytes, 0, _bytes.Length)) > 0) |
| | | 771 | | { |
| | | 772 | | WriteBase64(_bytes, 0, count); |
| | | 773 | | } |
| | | 774 | | } |
| | | 775 | | else |
| | | 776 | | { |
| | | 777 | | WriteString(reader.Value); |
| | | 778 | | } |
| | | 779 | | if (!attribute) |
| | | 780 | | { |
| | | 781 | | reader.Read(); |
| | | 782 | | } |
| | | 783 | | } |
| | | 784 | | else |
| | | 785 | | { |
| | | 786 | | base.WriteTextNode(reader, attribute); |
| | | 787 | | } |
| | | 788 | | } |
| | | 789 | | |
| | | 790 | | public override void WriteNode(XPathNavigator navigator, bool defattr) |
| | | 791 | | { |
| | | 792 | | WriteBase64InlineIfPresent(); |
| | | 793 | | Writer.WriteNode(navigator, defattr); |
| | | 794 | | } |
| | | 795 | | |
| | | 796 | | public override void WriteProcessingInstruction(string name, string text) |
| | | 797 | | { |
| | | 798 | | WriteBase64InlineIfPresent(); |
| | | 799 | | Writer.WriteProcessingInstruction(name, text); |
| | | 800 | | } |
| | | 801 | | |
| | | 802 | | public override void WriteQualifiedName(string localName, string namespaceUri) |
| | | 803 | | { |
| | | 804 | | WriteBase64InlineIfPresent(); |
| | | 805 | | Writer.WriteQualifiedName(localName, namespaceUri); |
| | | 806 | | } |
| | | 807 | | |
| | | 808 | | public override void WriteRaw(char[] buffer, int index, int count) |
| | | 809 | | { |
| | | 810 | | WriteBase64InlineIfPresent(); |
| | | 811 | | Writer.WriteRaw(buffer, index, count); |
| | | 812 | | } |
| | | 813 | | |
| | | 814 | | public override void WriteRaw(string data) |
| | | 815 | | { |
| | | 816 | | WriteBase64InlineIfPresent(); |
| | | 817 | | Writer.WriteRaw(data); |
| | | 818 | | } |
| | | 819 | | |
| | | 820 | | public override void WriteStartAttribute(string prefix, string localName, string ns) |
| | | 821 | | { |
| | | 822 | | Writer.WriteStartAttribute(prefix, localName, ns); |
| | | 823 | | CheckIfStartContentTypeAttribute(localName, ns); |
| | | 824 | | } |
| | | 825 | | |
| | | 826 | | public override void WriteStartAttribute(string prefix, XmlDictionaryString localName, XmlDictionaryString ns) |
| | | 827 | | { |
| | | 828 | | Writer.WriteStartAttribute(prefix, localName, ns); |
| | | 829 | | if (localName != null && ns != null) |
| | | 830 | | CheckIfStartContentTypeAttribute(localName.Value, ns.Value); |
| | | 831 | | } |
| | | 832 | | |
| | | 833 | | public override void WriteStartDocument() => Writer.WriteStartDocument(); |
| | | 834 | | |
| | | 835 | | public override void WriteStartDocument(bool standalone) => Writer.WriteStartDocument(standalone); |
| | | 836 | | |
| | | 837 | | public override WriteState WriteState => Writer.WriteState; |
| | | 838 | | |
| | | 839 | | public override void WriteString(string text) |
| | | 840 | | { |
| | | 841 | | // Don't write whitespace after the document element |
| | | 842 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed && XmlConverter.IsWhitespace(text)) |
| | | 843 | | return; |
| | | 844 | | |
| | | 845 | | WriteBase64InlineIfPresent(); |
| | | 846 | | Writer.WriteString(text); |
| | | 847 | | } |
| | | 848 | | |
| | | 849 | | public override void WriteString(XmlDictionaryString value) |
| | | 850 | | { |
| | | 851 | | // Don't write whitespace after the document element |
| | | 852 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed && XmlConverter.IsWhitespace(value.Value |
| | | 853 | | return; |
| | | 854 | | |
| | | 855 | | WriteBase64InlineIfPresent(); |
| | | 856 | | Writer.WriteString(value); |
| | | 857 | | } |
| | | 858 | | |
| | | 859 | | public override void WriteSurrogateCharEntity(char lowChar, char highChar) |
| | | 860 | | { |
| | | 861 | | WriteBase64InlineIfPresent(); |
| | | 862 | | Writer.WriteSurrogateCharEntity(lowChar, highChar); |
| | | 863 | | } |
| | | 864 | | |
| | | 865 | | public override void WriteWhitespace(string whitespace) |
| | | 866 | | { |
| | | 867 | | // Don't write whitespace after the document element |
| | | 868 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed) |
| | | 869 | | return; |
| | | 870 | | |
| | | 871 | | WriteBase64InlineIfPresent(); |
| | | 872 | | Writer.WriteWhitespace(whitespace); |
| | | 873 | | } |
| | | 874 | | |
| | | 875 | | public override void WriteValue(object value) |
| | | 876 | | { |
| | | 877 | | IStreamProvider sp = value as IStreamProvider; |
| | | 878 | | if (sp != null) |
| | | 879 | | { |
| | | 880 | | WriteValue(sp); |
| | | 881 | | } |
| | | 882 | | else |
| | | 883 | | { |
| | | 884 | | WriteBase64InlineIfPresent(); |
| | | 885 | | Writer.WriteValue(value); |
| | | 886 | | } |
| | | 887 | | } |
| | | 888 | | |
| | | 889 | | public override void WriteValue(string value) |
| | | 890 | | { |
| | | 891 | | // Don't write whitespace after the document element |
| | | 892 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed && XmlConverter.IsWhitespace(value)) |
| | | 893 | | return; |
| | | 894 | | |
| | | 895 | | WriteBase64InlineIfPresent(); |
| | | 896 | | Writer.WriteValue(value); |
| | | 897 | | } |
| | | 898 | | |
| | | 899 | | public override void WriteValue(bool value) |
| | | 900 | | { |
| | | 901 | | WriteBase64InlineIfPresent(); |
| | | 902 | | Writer.WriteValue(value); |
| | | 903 | | } |
| | | 904 | | |
| | | 905 | | public override void WriteValue(DateTime value) |
| | | 906 | | { |
| | | 907 | | WriteBase64InlineIfPresent(); |
| | | 908 | | Writer.WriteValue(value); |
| | | 909 | | } |
| | | 910 | | |
| | | 911 | | public override void WriteValue(double value) |
| | | 912 | | { |
| | | 913 | | WriteBase64InlineIfPresent(); |
| | | 914 | | Writer.WriteValue(value); |
| | | 915 | | } |
| | | 916 | | |
| | | 917 | | public override void WriteValue(int value) |
| | | 918 | | { |
| | | 919 | | WriteBase64InlineIfPresent(); |
| | | 920 | | Writer.WriteValue(value); |
| | | 921 | | } |
| | | 922 | | |
| | | 923 | | public override void WriteValue(long value) |
| | | 924 | | { |
| | | 925 | | WriteBase64InlineIfPresent(); |
| | | 926 | | Writer.WriteValue(value); |
| | | 927 | | } |
| | | 928 | | |
| | | 929 | | public override void WriteValue(XmlDictionaryString value) |
| | | 930 | | { |
| | | 931 | | // Don't write whitespace after the document element |
| | | 932 | | if (_depth == 0 && _mimeWriter.WriteState == MimeWriterState.Closed && XmlConverter.IsWhitespace(value.Value |
| | | 933 | | return; |
| | | 934 | | |
| | | 935 | | WriteBase64InlineIfPresent(); |
| | | 936 | | Writer.WriteValue(value); |
| | | 937 | | } |
| | | 938 | | |
| | | 939 | | public override void WriteXmlnsAttribute(string prefix, string ns) => Writer.WriteXmlnsAttribute(prefix, ns); |
| | | 940 | | |
| | | 941 | | public override void WriteXmlnsAttribute(string prefix, XmlDictionaryString ns) => Writer.WriteXmlnsAttribute(pr |
| | | 942 | | |
| | | 943 | | public override string XmlLang => Writer.XmlLang; |
| | | 944 | | |
| | | 945 | | public override XmlSpace XmlSpace => Writer.XmlSpace; |
| | | 946 | | |
| | | 947 | | private static class MimeBoundaryGenerator |
| | | 948 | | { |
| | | 949 | | private static long id; |
| | | 950 | | private static string prefix; |
| | | 951 | | |
| | | 952 | | static MimeBoundaryGenerator() |
| | | 953 | | { |
| | | 954 | | prefix = string.Concat(Guid.NewGuid().ToString(), "+id="); |
| | | 955 | | } |
| | | 956 | | |
| | | 957 | | internal static string Next() |
| | | 958 | | { |
| | | 959 | | long nextId = Interlocked.Increment(ref id); |
| | | 960 | | return string.Format(CultureInfo.InvariantCulture, "{0}{1}", prefix, nextId); |
| | | 961 | | } |
| | | 962 | | } |
| | | 963 | | |
| | | 964 | | private class MimePart |
| | | 965 | | { |
| | | 966 | | internal IList<MtomBinaryData> binaryData; |
| | | 967 | | internal string contentID; |
| | | 968 | | internal string contentType; |
| | | 969 | | internal string contentTransferEncoding; |
| | | 970 | | internal int sizeInBytes; |
| | | 971 | | |
| | | 972 | | internal MimePart(IList<MtomBinaryData> binaryData, string contentID, string contentType, string contentTran |
| | | 973 | | { |
| | | 974 | | this.binaryData = binaryData; |
| | | 975 | | this.contentID = contentID; |
| | | 976 | | this.contentType = contentType ?? MtomGlobals.DefaultContentTypeForBinary; |
| | | 977 | | this.contentTransferEncoding = contentTransferEncoding; |
| | | 978 | | sizeInBytes = GetSize(contentID, contentType, contentTransferEncoding, sizeOfBufferedBinaryData, maxSize |
| | | 979 | | } |
| | | 980 | | |
| | | 981 | | private static int GetSize(string contentID, string contentType, string contentTransferEncoding, int sizeOfB |
| | | 982 | | { |
| | | 983 | | int size = XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, 0, MimeGlobals.CRLF.Length * 3); |
| | | 984 | | if (contentTransferEncoding != null) |
| | | 985 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, MimeWriter.GetHeaderSize(MimeGloba |
| | | 986 | | if (contentType != null) |
| | | 987 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, MimeWriter.GetHeaderSize(MimeGloba |
| | | 988 | | if (contentID != null) |
| | | 989 | | { |
| | | 990 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, MimeWriter.GetHeaderSize(MimeGloba |
| | | 991 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, 2); // include '<' and '>' |
| | | 992 | | } |
| | | 993 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, sizeOfBufferedBinaryData); |
| | | 994 | | return size; |
| | | 995 | | } |
| | | 996 | | } |
| | | 997 | | } |
| | | 998 | | |
| | | 999 | | |
| | | 1000 | | internal static class MtomGlobals |
| | | 1001 | | { |
| | | 1002 | | internal static string XopIncludeLocalName = "Include"; |
| | | 1003 | | internal static string XopIncludeNamespace = "http://www.w3.org/2004/08/xop/include"; |
| | | 1004 | | internal static string XopIncludePrefix = "xop"; |
| | | 1005 | | internal static string XopIncludeHrefLocalName = "href"; |
| | | 1006 | | internal static string XopIncludeHrefNamespace = string.Empty; |
| | | 1007 | | internal static string MediaType = "multipart"; |
| | | 1008 | | internal static string MediaSubtype = "related"; |
| | | 1009 | | internal static string BoundaryParam = "boundary"; |
| | | 1010 | | internal static string TypeParam = "type"; |
| | | 1011 | | internal static string XopMediaType = "application"; |
| | | 1012 | | internal static string XopMediaSubtype = "xop+xml"; |
| | | 1013 | | internal static string XopType = "application/xop+xml"; |
| | | 1014 | | internal static string StartParam = "start"; |
| | | 1015 | | internal static string StartInfoParam = "start-info"; |
| | | 1016 | | internal static string ActionParam = "action"; |
| | | 1017 | | internal static string CharsetParam = "charset"; |
| | | 1018 | | internal static string MimeContentTypeLocalName = "contentType"; |
| | | 1019 | | internal static string MimeContentTypeNamespace200406 = "http://www.w3.org/2004/06/xmlmime"; |
| | | 1020 | | internal static string MimeContentTypeNamespace200505 = "http://www.w3.org/2005/05/xmlmime"; |
| | | 1021 | | internal static string DefaultContentTypeForBinary = "application/octet-stream"; |
| | | 1022 | | } |
| | | 1023 | | |
| | | 1024 | | internal static class MimeGlobals |
| | | 1025 | | { |
| | | 1026 | | internal static string MimeVersionHeader = "MIME-Version"; |
| | | 1027 | | internal static string DefaultVersion = "1.0"; |
| | | 1028 | | internal static string ContentIDScheme = "cid:"; |
| | | 1029 | | internal static string ContentIDHeader = "Content-ID"; |
| | | 1030 | | internal static string ContentTypeHeader = "Content-Type"; |
| | | 1031 | | internal static string ContentTransferEncodingHeader = "Content-Transfer-Encoding"; |
| | | 1032 | | internal static string EncodingBinary = "binary"; |
| | | 1033 | | internal static string Encoding8bit = "8bit"; |
| | | 1034 | | internal static byte[] COLONSPACE = new byte[] { (byte)':', (byte)' ' }; |
| | | 1035 | | internal static byte[] DASHDASH = new byte[] { (byte)'-', (byte)'-' }; |
| | | 1036 | | internal static byte[] CRLF = new byte[] { (byte)'\r', (byte)'\n' }; |
| | | 1037 | | // Per RFC2045, preceding CRLF sequence is part of the boundary. MIME boundary tags begin with -- |
| | | 1038 | | internal static byte[] BoundaryPrefix = new byte[] { (byte)'\r', (byte)'\n', (byte)'-', (byte)'-' }; |
| | | 1039 | | } |
| | | 1040 | | |
| | | 1041 | | internal enum MimeWriterState |
| | | 1042 | | { |
| | | 1043 | | Start, |
| | | 1044 | | StartPreface, |
| | | 1045 | | StartPart, |
| | | 1046 | | Header, |
| | | 1047 | | Content, |
| | | 1048 | | Closed, |
| | | 1049 | | } |
| | | 1050 | | |
| | | 1051 | | internal class MimeWriter |
| | | 1052 | | { |
| | | 1053 | | private Stream stream; |
| | | 1054 | | private byte[] boundaryBytes; |
| | | 1055 | | private MimeWriterState state; |
| | | 1056 | | private BufferedWrite bufferedWrite; |
| | | 1057 | | private Stream contentStream; |
| | | 1058 | | |
| | | 1059 | | internal MimeWriter(Stream stream, string boundary) |
| | | 1060 | | { |
| | | 1061 | | if (stream == null) |
| | | 1062 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(stream)); |
| | | 1063 | | if (boundary == null) |
| | | 1064 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(boundary)); |
| | | 1065 | | |
| | | 1066 | | this.stream = stream; |
| | | 1067 | | boundaryBytes = MimeWriter.GetBoundaryBytes(boundary); |
| | | 1068 | | state = MimeWriterState.Start; |
| | | 1069 | | bufferedWrite = new BufferedWrite(); |
| | | 1070 | | } |
| | | 1071 | | |
| | | 1072 | | internal static int GetHeaderSize(string name, string value, int maxSizeInBytes) |
| | | 1073 | | { |
| | | 1074 | | if (name == null) |
| | | 1075 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(name)); |
| | | 1076 | | if (value == null) |
| | | 1077 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(value)); |
| | | 1078 | | |
| | | 1079 | | int size = XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, 0, MimeGlobals.COLONSPACE.Length + MimeGlobal |
| | | 1080 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, name.Length); |
| | | 1081 | | size += XmlMtomWriter.ValidateSizeOfMessage(maxSizeInBytes, size, value.Length); |
| | | 1082 | | return size; |
| | | 1083 | | } |
| | | 1084 | | |
| | | 1085 | | internal static byte[] GetBoundaryBytes(string boundary) |
| | | 1086 | | { |
| | | 1087 | | byte[] boundaryBytes = new byte[boundary.Length + MimeGlobals.BoundaryPrefix.Length]; |
| | | 1088 | | for (int i = 0; i < MimeGlobals.BoundaryPrefix.Length; i++) |
| | | 1089 | | boundaryBytes[i] = MimeGlobals.BoundaryPrefix[i]; |
| | | 1090 | | Encoding.ASCII.GetBytes(boundary, 0, boundary.Length, boundaryBytes, MimeGlobals.BoundaryPrefix.Length); |
| | | 1091 | | return boundaryBytes; |
| | | 1092 | | } |
| | | 1093 | | |
| | | 1094 | | internal MimeWriterState WriteState => state; |
| | | 1095 | | |
| | | 1096 | | internal int GetBoundarySize() => boundaryBytes.Length; |
| | | 1097 | | |
| | | 1098 | | internal void StartPreface() |
| | | 1099 | | { |
| | | 1100 | | if (state != MimeWriterState.Start) |
| | | 1101 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.Mim |
| | | 1102 | | |
| | | 1103 | | state = MimeWriterState.StartPreface; |
| | | 1104 | | } |
| | | 1105 | | |
| | | 1106 | | internal async Task StartPartAsync() |
| | | 1107 | | { |
| | | 1108 | | switch (state) |
| | | 1109 | | { |
| | | 1110 | | case MimeWriterState.StartPart: |
| | | 1111 | | case MimeWriterState.Closed: |
| | | 1112 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1113 | | default: |
| | | 1114 | | break; |
| | | 1115 | | } |
| | | 1116 | | |
| | | 1117 | | state = MimeWriterState.StartPart; |
| | | 1118 | | |
| | | 1119 | | if (contentStream != null) |
| | | 1120 | | { |
| | | 1121 | | await contentStream.FlushAsync(); |
| | | 1122 | | contentStream = null; |
| | | 1123 | | } |
| | | 1124 | | |
| | | 1125 | | bufferedWrite.Write(boundaryBytes); |
| | | 1126 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1127 | | } |
| | | 1128 | | |
| | | 1129 | | internal void StartPart() |
| | | 1130 | | { |
| | | 1131 | | switch (state) |
| | | 1132 | | { |
| | | 1133 | | case MimeWriterState.StartPart: |
| | | 1134 | | case MimeWriterState.Closed: |
| | | 1135 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1136 | | default: |
| | | 1137 | | break; |
| | | 1138 | | } |
| | | 1139 | | |
| | | 1140 | | state = MimeWriterState.StartPart; |
| | | 1141 | | |
| | | 1142 | | if (contentStream != null) |
| | | 1143 | | { |
| | | 1144 | | contentStream.Flush(); |
| | | 1145 | | contentStream = null; |
| | | 1146 | | } |
| | | 1147 | | |
| | | 1148 | | bufferedWrite.Write(boundaryBytes); |
| | | 1149 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1150 | | } |
| | | 1151 | | |
| | | 1152 | | internal void Close() |
| | | 1153 | | { |
| | | 1154 | | switch (state) |
| | | 1155 | | { |
| | | 1156 | | case MimeWriterState.Closed: |
| | | 1157 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1158 | | default: |
| | | 1159 | | break; |
| | | 1160 | | } |
| | | 1161 | | |
| | | 1162 | | state = MimeWriterState.Closed; |
| | | 1163 | | |
| | | 1164 | | if (contentStream != null) |
| | | 1165 | | { |
| | | 1166 | | contentStream.Flush(); |
| | | 1167 | | contentStream = null; |
| | | 1168 | | } |
| | | 1169 | | |
| | | 1170 | | bufferedWrite.Write(boundaryBytes); |
| | | 1171 | | bufferedWrite.Write(MimeGlobals.DASHDASH); |
| | | 1172 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1173 | | |
| | | 1174 | | Flush(); |
| | | 1175 | | } |
| | | 1176 | | |
| | | 1177 | | internal async Task CloseAsync() |
| | | 1178 | | { |
| | | 1179 | | switch (state) |
| | | 1180 | | { |
| | | 1181 | | case MimeWriterState.Closed: |
| | | 1182 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1183 | | default: |
| | | 1184 | | break; |
| | | 1185 | | } |
| | | 1186 | | |
| | | 1187 | | state = MimeWriterState.Closed; |
| | | 1188 | | |
| | | 1189 | | if (contentStream != null) |
| | | 1190 | | { |
| | | 1191 | | await contentStream.FlushAsync(); |
| | | 1192 | | contentStream = null; |
| | | 1193 | | } |
| | | 1194 | | |
| | | 1195 | | bufferedWrite.Write(boundaryBytes); |
| | | 1196 | | bufferedWrite.Write(MimeGlobals.DASHDASH); |
| | | 1197 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1198 | | |
| | | 1199 | | await FlushAsync(); |
| | | 1200 | | } |
| | | 1201 | | |
| | | 1202 | | private async Task FlushAsync() |
| | | 1203 | | { |
| | | 1204 | | if (bufferedWrite.Length > 0) |
| | | 1205 | | { |
| | | 1206 | | await stream.WriteAsync(bufferedWrite.GetBuffer(), 0, bufferedWrite.Length); |
| | | 1207 | | bufferedWrite.Reset(); |
| | | 1208 | | } |
| | | 1209 | | } |
| | | 1210 | | |
| | | 1211 | | private void Flush() |
| | | 1212 | | { |
| | | 1213 | | if (bufferedWrite.Length > 0) |
| | | 1214 | | { |
| | | 1215 | | stream.Write(bufferedWrite.GetBuffer(), 0, bufferedWrite.Length); |
| | | 1216 | | bufferedWrite.Reset(); |
| | | 1217 | | } |
| | | 1218 | | } |
| | | 1219 | | |
| | | 1220 | | internal void WriteHeader(string name, string value) |
| | | 1221 | | { |
| | | 1222 | | if (name == null) |
| | | 1223 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(name)); |
| | | 1224 | | if (value == null) |
| | | 1225 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(value)); |
| | | 1226 | | |
| | | 1227 | | switch (state) |
| | | 1228 | | { |
| | | 1229 | | case MimeWriterState.Start: |
| | | 1230 | | case MimeWriterState.Content: |
| | | 1231 | | case MimeWriterState.Closed: |
| | | 1232 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1233 | | default: |
| | | 1234 | | break; |
| | | 1235 | | } |
| | | 1236 | | |
| | | 1237 | | state = MimeWriterState.Header; |
| | | 1238 | | |
| | | 1239 | | bufferedWrite.Write(name); |
| | | 1240 | | bufferedWrite.Write(MimeGlobals.COLONSPACE); |
| | | 1241 | | bufferedWrite.Write(value); |
| | | 1242 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1243 | | } |
| | | 1244 | | |
| | | 1245 | | internal async Task<Stream> GetContentStreamAsync() |
| | | 1246 | | { |
| | | 1247 | | switch (state) |
| | | 1248 | | { |
| | | 1249 | | case MimeWriterState.Start: |
| | | 1250 | | case MimeWriterState.Content: |
| | | 1251 | | case MimeWriterState.Closed: |
| | | 1252 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1253 | | default: |
| | | 1254 | | break; |
| | | 1255 | | } |
| | | 1256 | | |
| | | 1257 | | state = MimeWriterState.Content; |
| | | 1258 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1259 | | await FlushAsync(); |
| | | 1260 | | contentStream = stream; |
| | | 1261 | | return contentStream; |
| | | 1262 | | } |
| | | 1263 | | |
| | | 1264 | | internal Stream GetContentStream() |
| | | 1265 | | { |
| | | 1266 | | switch (state) |
| | | 1267 | | { |
| | | 1268 | | case MimeWriterState.Start: |
| | | 1269 | | case MimeWriterState.Content: |
| | | 1270 | | case MimeWriterState.Closed: |
| | | 1271 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR |
| | | 1272 | | default: |
| | | 1273 | | break; |
| | | 1274 | | } |
| | | 1275 | | |
| | | 1276 | | state = MimeWriterState.Content; |
| | | 1277 | | bufferedWrite.Write(MimeGlobals.CRLF); |
| | | 1278 | | Flush(); |
| | | 1279 | | contentStream = stream; |
| | | 1280 | | return contentStream; |
| | | 1281 | | } |
| | | 1282 | | } |
| | | 1283 | | |
| | | 1284 | | internal class BufferedWrite |
| | | 1285 | | { |
| | | 1286 | | private byte[] buffer; |
| | | 1287 | | private int offset; |
| | | 1288 | | |
| | | 1289 | | internal BufferedWrite() |
| | | 1290 | | : this(256) |
| | | 1291 | | { |
| | | 1292 | | } |
| | | 1293 | | |
| | | 1294 | | internal BufferedWrite(int initialSize) |
| | | 1295 | | { |
| | | 1296 | | buffer = new byte[initialSize]; |
| | | 1297 | | } |
| | | 1298 | | |
| | | 1299 | | private void EnsureBuffer(int count) |
| | | 1300 | | { |
| | | 1301 | | int currSize = buffer.Length; |
| | | 1302 | | if (count > currSize - offset) |
| | | 1303 | | { |
| | | 1304 | | int newSize = currSize; |
| | | 1305 | | do |
| | | 1306 | | { |
| | | 1307 | | if (newSize == int.MaxValue) |
| | | 1308 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.WriteBufferOverflo |
| | | 1309 | | newSize = (newSize < int.MaxValue / 2) ? newSize * 2 : int.MaxValue; |
| | | 1310 | | } |
| | | 1311 | | while (count > newSize - offset); |
| | | 1312 | | byte[] newBuffer = new byte[newSize]; |
| | | 1313 | | Buffer.BlockCopy(buffer, 0, newBuffer, 0, offset); |
| | | 1314 | | buffer = newBuffer; |
| | | 1315 | | } |
| | | 1316 | | } |
| | | 1317 | | |
| | | 1318 | | internal int Length => offset; |
| | | 1319 | | |
| | | 1320 | | internal byte[] GetBuffer() => buffer; |
| | | 1321 | | |
| | | 1322 | | internal void Reset() => offset = 0; |
| | | 1323 | | |
| | | 1324 | | internal void Write(byte[] value) => Write(value, 0, value.Length); |
| | | 1325 | | |
| | | 1326 | | internal void Write(byte[] value, int index, int count) |
| | | 1327 | | { |
| | | 1328 | | EnsureBuffer(count); |
| | | 1329 | | Buffer.BlockCopy(value, index, buffer, offset, count); |
| | | 1330 | | offset += count; |
| | | 1331 | | } |
| | | 1332 | | |
| | | 1333 | | internal void Write(string value) => Write(value, 0, value.Length); |
| | | 1334 | | |
| | | 1335 | | internal void Write(string value, int index, int count) |
| | | 1336 | | { |
| | | 1337 | | EnsureBuffer(count); |
| | | 1338 | | for (int i = 0; i < count; i++) |
| | | 1339 | | { |
| | | 1340 | | char c = value[index + i]; |
| | | 1341 | | if ((ushort)c > 0xFF) |
| | | 1342 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.Format(SR.MimeHeade |
| | | 1343 | | buffer[offset + i] = (byte)c; |
| | | 1344 | | } |
| | | 1345 | | offset += count; |
| | | 1346 | | } |
| | | 1347 | | } |
| | | 1348 | | |
| | | 1349 | | internal enum MtomBinaryDataType { Provider, Segment } |
| | | 1350 | | |
| | | 1351 | | internal class MtomBinaryData |
| | | 1352 | | { |
| | | 1353 | | internal MtomBinaryDataType type; |
| | | 1354 | | |
| | | 1355 | | internal IStreamProvider provider; |
| | | 1356 | | internal byte[] chunk; |
| | | 1357 | | |
| | 1 | 1358 | | internal MtomBinaryData(IStreamProvider provider) |
| | | 1359 | | { |
| | 1 | 1360 | | type = MtomBinaryDataType.Provider; |
| | 1 | 1361 | | this.provider = provider; |
| | 1 | 1362 | | } |
| | | 1363 | | |
| | 10 | 1364 | | internal MtomBinaryData(byte[] buffer, int offset, int count) |
| | | 1365 | | { |
| | 10 | 1366 | | type = MtomBinaryDataType.Segment; |
| | 10 | 1367 | | chunk = new byte[count]; |
| | 10 | 1368 | | Buffer.BlockCopy(buffer, offset, chunk, 0, count); |
| | 10 | 1369 | | } |
| | | 1370 | | |
| | | 1371 | | internal long Length |
| | | 1372 | | { |
| | | 1373 | | get |
| | | 1374 | | { |
| | 11 | 1375 | | if (type == MtomBinaryDataType.Segment) |
| | 10 | 1376 | | return chunk.Length; |
| | | 1377 | | |
| | 1 | 1378 | | return -1; |
| | | 1379 | | } |
| | | 1380 | | } |
| | | 1381 | | } |
| | | 1382 | | } |