private void CleanupCurrentBodyPart()
{
if (_currentBodyPart != null)
{
_currentBodyPart.Dispose();
_currentBodyPart = null;
}
}
private void CleanupCurrentBodyPart()
{
if (this._currentBodyPart != null)
{
this._currentBodyPart.Dispose();
this._currentBodyPart = null;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MimeMultipartBodyPartParser"/> class.
/// </summary>
/// <param name="content">An existing <see cref="HttpContent"/> instance to use for the object's content.</param>
/// <param name="streamProvider">A stream provider providing output streams for where to write body parts as they are parsed.</param>
/// <param name="maxMessageSize">The max length of the entire MIME multipart message.</param>
/// <param name="maxBodyPartHeaderSize">The max length of the MIME header within each MIME body part.</param>
public MimeMultipartBodyPartParser(
HttpContent content,
IMultipartStreamProvider streamProvider,
long maxMessageSize,
int maxBodyPartHeaderSize)
{
Contract.Assert(content != null, "content cannot be null.");
Contract.Assert(streamProvider != null, "streamProvider cannot be null.");
string boundary = ValidateArguments(content, maxMessageSize, true);
_mimeParser = new MimeMultipartParser(boundary, maxMessageSize);
_currentBodyPart = new MimeBodyPart(streamProvider, maxBodyPartHeaderSize);
_maxBodyPartHeaderSize = maxBodyPartHeaderSize;
_streamProvider = streamProvider;
}
/// <summary>
/// Initializes a new instance of the <see cref="MimeMultipartBodyPartParser"/> class.
/// </summary>
/// <param name="content">An existing <see cref="HttpContent"/> instance to use for the object's content.</param>
/// <param name="streamProvider">A stream provider providing output streams for where to write body parts as they are parsed.</param>
/// <param name="maxMessageSize">The max length of the entire MIME multipart message.</param>
/// <param name="maxBodyPartHeaderSize">The max length of the MIME header within each MIME body part.</param>
public MimeMultipartBodyPartParser(
HttpContent content,
MultipartStreamProvider streamProvider,
long maxMessageSize,
int maxBodyPartHeaderSize)
{
Contract.Assert(content != null, "content cannot be null.");
Contract.Assert(streamProvider != null, "streamProvider cannot be null.");
string boundary = ValidateArguments(content, maxMessageSize, true);
_mimeParser = new MimeMultipartParser(boundary, maxMessageSize);
_currentBodyPart = new MimeBodyPart(streamProvider, maxBodyPartHeaderSize, content);
_content = content;
_maxBodyPartHeaderSize = maxBodyPartHeaderSize;
_streamProvider = streamProvider;
}
/// <summary>
/// 以HTML格式发送邮件
/// </summary>
/// <param name="mailInfo"> 待发送的邮件信息 </param>
public static bool sendHtmlMail(MailSenderInfo mailInfo)
{
try
{
LOG.info("send to " + mailInfo.FromAddress);
// 设置一些通用的数据
Message mailMessage = setCommon(mailInfo);
// MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
// 设置HTML内容
html.setContent(mailInfo.Content, "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 将MiniMultipart对象设置为邮件内容
mailMessage.Content = mainPart;
// 发送邮件
Transport.send(mailMessage);
LOG.info("send to " + mailInfo.FromAddress + " dnoe.");
return true;
}
catch (MessagingException ex)
{
LOG.error(ex.ToString(), ex);
}
return false;
}
private void CleanupCurrentBodyPart()
{
if (_currentBodyPart != null)
{
_currentBodyPart.Dispose();
_currentBodyPart = null;
}
}
/// <summary>
/// Parses the data provided and generates parsed MIME body part bodies in the form of <see cref="ArraySegment{T}"/> which are ready to
/// write to the output stream.
/// </summary>
/// <param name="data">The data to parse</param>
/// <param name="bytesRead">The number of bytes available in the input data</param>
/// <returns>Parsed <see cref="MimeBodyPart"/> instances.</returns>
public IEnumerable<MimeBodyPart> ParseBuffer(byte[] data, int bytesRead)
{
int bytesConsumed = 0;
bool isFinal = false;
if (bytesRead == 0)
{
CleanupCurrentBodyPart();
throw new IOException(Properties.Resources.ReadAsMimeMultipartUnexpectedTermination);
}
// Make sure we remove an old array segments.
_currentBodyPart.Segments.Clear();
while (bytesConsumed < bytesRead)
{
_mimeStatus = _mimeParser.ParseBuffer(data, bytesRead, ref bytesConsumed, out _parsedBodyPart[0], out _parsedBodyPart[1], out isFinal);
if (_mimeStatus != MimeMultipartParser.State.BodyPartCompleted && _mimeStatus != MimeMultipartParser.State.NeedMoreData)
{
CleanupCurrentBodyPart();
throw new IOException(RS.Format(Properties.Resources.ReadAsMimeMultipartParseError, bytesConsumed, data));
}
// First body is empty preamble which we just ignore
if (_isFirst)
{
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
_isFirst = false;
}
continue;
}
// Parse the two array segments containing parsed body parts that the MIME parser gave us
foreach (ArraySegment<byte> part in _parsedBodyPart)
{
if (part.Count == 0)
{
continue;
}
if (_bodyPartHeaderStatus != ParserState.Done)
{
int headerConsumed = part.Offset;
_bodyPartHeaderStatus = _currentBodyPart.HeaderParser.ParseBuffer(part.Array, part.Count + part.Offset, ref headerConsumed);
if (_bodyPartHeaderStatus == ParserState.Done)
{
// Add the remainder as body part content
_currentBodyPart.Segments.Add(new ArraySegment<byte>(part.Array, headerConsumed, part.Count + part.Offset - headerConsumed));
}
else if (_bodyPartHeaderStatus != ParserState.NeedMoreData)
{
CleanupCurrentBodyPart();
throw new IOException(RS.Format(Properties.Resources.ReadAsMimeMultipartHeaderParseError, headerConsumed, part.Array));
}
}
else
{
// Add the data as body part content
_currentBodyPart.Segments.Add(part);
}
}
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
// If body is completed then swap current body part
MimeBodyPart completed = _currentBodyPart;
completed.IsComplete = true;
completed.IsFinal = isFinal;
_currentBodyPart = new MimeBodyPart(_streamProvider, _maxBodyPartHeaderSize);
_mimeStatus = MimeMultipartParser.State.NeedMoreData;
_bodyPartHeaderStatus = ParserState.NeedMoreData;
yield return completed;
}
else
{
// Otherwise return what we have
yield return _currentBodyPart;
}
}
}
/// <summary>
/// Parses the data provided and generates parsed MIME body part bodies in the form of <see cref="ArraySegment{T}"/> which are ready to
/// write to the output stream.
/// </summary>
/// <param name="data">The data to parse</param>
/// <param name="bytesRead">The number of bytes available in the input data</param>
/// <returns>Parsed <see cref="MimeBodyPart"/> instances.</returns>
public IEnumerable <MimeBodyPart> ParseBuffer(byte[] data, int bytesRead)
{
int bytesConsumed = 0;
bool isFinal = false;
// There's a special case here - if we've reached the end of the message and there's no optional
// CRLF, then we're out of bytes to read, but we have finished the message.
//
// If IsWaitingForEndOfMessage is true and we're at the end of the stream, then we're going to
// call into the parser again with an empty array as the buffer to signal the end of the parse.
// Then the final boundary segment will be marked as complete.
if (bytesRead == 0 && !_mimeParser.IsWaitingForEndOfMessage)
{
CleanupCurrentBodyPart();
throw new IOException(Properties.Resources.ReadAsMimeMultipartUnexpectedTermination);
}
// Make sure we remove an old array segments.
_currentBodyPart.Segments.Clear();
while (_mimeParser.CanParseMore(bytesRead, bytesConsumed))
{
_mimeStatus = _mimeParser.ParseBuffer(data, bytesRead, ref bytesConsumed, out _parsedBodyPart[0], out _parsedBodyPart[1], out isFinal);
if (_mimeStatus != MimeMultipartParser.State.BodyPartCompleted && _mimeStatus != MimeMultipartParser.State.NeedMoreData)
{
CleanupCurrentBodyPart();
throw Error.InvalidOperation(Properties.Resources.ReadAsMimeMultipartParseError, bytesConsumed, data);
}
// First body is empty preamble which we just ignore
if (_isFirst)
{
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
_isFirst = false;
}
continue;
}
// Parse the two array segments containing parsed body parts that the MIME parser gave us
foreach (ArraySegment <byte> part in _parsedBodyPart)
{
if (part.Count == 0)
{
continue;
}
if (_bodyPartHeaderStatus != ParserState.Done)
{
int headerConsumed = part.Offset;
_bodyPartHeaderStatus = _currentBodyPart.HeaderParser.ParseBuffer(part.Array, part.Count + part.Offset, ref headerConsumed);
if (_bodyPartHeaderStatus == ParserState.Done)
{
// Add the remainder as body part content
_currentBodyPart.Segments.Add(new ArraySegment <byte>(part.Array, headerConsumed, part.Count + part.Offset - headerConsumed));
}
else if (_bodyPartHeaderStatus != ParserState.NeedMoreData)
{
CleanupCurrentBodyPart();
throw Error.InvalidOperation(Properties.Resources.ReadAsMimeMultipartHeaderParseError, headerConsumed, part.Array);
}
}
else
{
// Add the data as body part content
_currentBodyPart.Segments.Add(part);
}
}
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
// If body is completed then swap current body part
MimeBodyPart completed = _currentBodyPart;
completed.IsComplete = true;
completed.IsFinal = isFinal;
_currentBodyPart = new MimeBodyPart(_streamProvider, _maxBodyPartHeaderSize, _content);
_mimeStatus = MimeMultipartParser.State.NeedMoreData;
_bodyPartHeaderStatus = ParserState.NeedMoreData;
yield return(completed);
}
else
{
// Otherwise return what we have
yield return(_currentBodyPart);
}
}
}
/// <summary>
/// Parses the data provided and generates parsed MIME body part bodies in the form of <see cref="ArraySegment{T}"/> which are ready to
/// write to the output stream.
/// </summary>
/// <param name="data">The data to parse</param>
/// <param name="bytesRead">The number of bytes available in the input data</param>
/// <returns>Parsed <see cref="MimeBodyPart"/> instances.</returns>
public IEnumerable <MimeBodyPart> ParseBuffer(byte[] data, int bytesRead)
{
int bytesConsumed = 0;
bool isFinal = false;
if (bytesRead == 0)
{
CleanupCurrentBodyPart();
throw new IOException(Properties.Resources.ReadAsMimeMultipartUnexpectedTermination);
}
// Make sure we remove an old array segments.
_currentBodyPart.Segments.Clear();
while (bytesConsumed < bytesRead)
{
_mimeStatus = _mimeParser.ParseBuffer(data, bytesRead, ref bytesConsumed, out _parsedBodyPart[0], out _parsedBodyPart[1], out isFinal);
if (_mimeStatus != MimeMultipartParser.State.BodyPartCompleted && _mimeStatus != MimeMultipartParser.State.NeedMoreData)
{
CleanupCurrentBodyPart();
throw new IOException(RS.Format(Properties.Resources.ReadAsMimeMultipartParseError, bytesConsumed, data));
}
// First body is empty preamble which we just ignore
if (_isFirst)
{
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
_isFirst = false;
}
continue;
}
// Parse the two array segments containing parsed body parts that the MIME parser gave us
foreach (ArraySegment <byte> part in _parsedBodyPart)
{
if (part.Count == 0)
{
continue;
}
if (_bodyPartHeaderStatus != ParserState.Done)
{
int headerConsumed = part.Offset;
_bodyPartHeaderStatus = _currentBodyPart.HeaderParser.ParseBuffer(part.Array, part.Count + part.Offset, ref headerConsumed);
if (_bodyPartHeaderStatus == ParserState.Done)
{
// Add the remainder as body part content
_currentBodyPart.Segments.Add(new ArraySegment <byte>(part.Array, headerConsumed, part.Count + part.Offset - headerConsumed));
}
else if (_bodyPartHeaderStatus != ParserState.NeedMoreData)
{
CleanupCurrentBodyPart();
throw new IOException(RS.Format(Properties.Resources.ReadAsMimeMultipartHeaderParseError, headerConsumed, part.Array));
}
}
else
{
// Add the data as body part content
_currentBodyPart.Segments.Add(part);
}
}
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
// If body is completed then swap current body part
MimeBodyPart completed = _currentBodyPart;
completed.IsComplete = true;
completed.IsFinal = isFinal;
_currentBodyPart = new MimeBodyPart(_streamProvider, _maxBodyPartHeaderSize);
_mimeStatus = MimeMultipartParser.State.NeedMoreData;
_bodyPartHeaderStatus = ParserState.NeedMoreData;
yield return(completed);
}
else
{
// Otherwise return what we have
yield return(_currentBodyPart);
}
}
}
/// <summary>
/// Parses the data provided and generates parsed MIME body part bodies in the form of <see cref="ArraySegment{T}"/> which are ready to
/// write to the output stream.
/// </summary>
/// <param name="data">The data to parse</param>
/// <param name="bytesRead">The number of bytes available in the input data</param>
/// <returns>Parsed <see cref="MimeBodyPart"/> instances.</returns>
public IEnumerable<MimeBodyPart> ParseBuffer(byte[] data, int bytesRead)
{
int bytesConsumed = 0;
bool isFinal = false;
// There's a special case here - if we've reached the end of the message and there's no optional
// CRLF, then we're out of bytes to read, but we have finished the message.
//
// If IsWaitingForEndOfMessage is true and we're at the end of the stream, then we're going to
// call into the parser again with an empty array as the buffer to signal the end of the parse.
// Then the final boundary segment will be marked as complete.
if (bytesRead == 0 && !_mimeParser.IsWaitingForEndOfMessage)
{
CleanupCurrentBodyPart();
throw new IOException(Properties.Resources.ReadAsMimeMultipartUnexpectedTermination);
}
// Make sure we remove an old array segments.
_currentBodyPart.Segments.Clear();
while (_mimeParser.CanParseMore(bytesRead, bytesConsumed))
{
_mimeStatus = _mimeParser.ParseBuffer(data, bytesRead, ref bytesConsumed, out _parsedBodyPart[0], out _parsedBodyPart[1], out isFinal);
if (_mimeStatus != MimeMultipartParser.State.BodyPartCompleted && _mimeStatus != MimeMultipartParser.State.NeedMoreData)
{
CleanupCurrentBodyPart();
throw Error.InvalidOperation(Properties.Resources.ReadAsMimeMultipartParseError, bytesConsumed, data);
}
// First body is empty preamble which we just ignore
if (_isFirst)
{
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
_isFirst = false;
}
continue;
}
// Parse the two array segments containing parsed body parts that the MIME parser gave us
foreach (ArraySegment<byte> part in _parsedBodyPart)
{
if (part.Count == 0)
{
continue;
}
if (_bodyPartHeaderStatus != ParserState.Done)
{
int headerConsumed = part.Offset;
_bodyPartHeaderStatus = _currentBodyPart.HeaderParser.ParseBuffer(part.Array, part.Count + part.Offset, ref headerConsumed);
if (_bodyPartHeaderStatus == ParserState.Done)
{
// Add the remainder as body part content
_currentBodyPart.Segments.Add(new ArraySegment<byte>(part.Array, headerConsumed, part.Count + part.Offset - headerConsumed));
}
else if (_bodyPartHeaderStatus != ParserState.NeedMoreData)
{
CleanupCurrentBodyPart();
throw Error.InvalidOperation(Properties.Resources.ReadAsMimeMultipartHeaderParseError, headerConsumed, part.Array);
}
}
else
{
// Add the data as body part content
_currentBodyPart.Segments.Add(part);
}
}
if (_mimeStatus == MimeMultipartParser.State.BodyPartCompleted)
{
// If body is completed then swap current body part
MimeBodyPart completed = _currentBodyPart;
completed.IsComplete = true;
completed.IsFinal = isFinal;
_currentBodyPart = new MimeBodyPart(_streamProvider, _maxBodyPartHeaderSize, _content);
_mimeStatus = MimeMultipartParser.State.NeedMoreData;
_bodyPartHeaderStatus = ParserState.NeedMoreData;
yield return completed;
}
else
{
// Otherwise return what we have
yield return _currentBodyPart;
}
}
}
