/// <summary>
/// Constructor
/// </summary>
/// <param name="mp">MimeParser</param>
/// <param name="parentMultipartBody">Multipart Body of parent messages</param>
protected MimeMessage(ref MimeParser mp, MimeMultipartBody parentMultipartBody)
{
if (parentMultipartBody != null)
{
parentMultipartBody.Add(this);
}
Parse(ref mp, parentMultipartBody);
}
private void Parse(ref MimeParser mp, MimeMultipartBody parentMultipartBody)
{
try
{
string sLine = "";
byte [] buffer = null;
bool isEOC = false;
bool readBinaryBody = false;
while(sLine != null)
{
//Check if the Binary encoding header is found
if (_headers["content-transfer-encoding"] != null &&
MimeBodyPart.GetMimeEncoding(_headers["content-transfer-encoding"].Value) == MimeBodyPart.MimeEncoding.Binary
&& buffer == null)
{
readBinaryBody = true;
}
MimeParser.ChunkType chunkType = mp.ReadNextChunk(ref sLine, ref isEOC, ref readBinaryBody, ref buffer);
switch(chunkType)
{
case MimeParser.ChunkType.VersionHeader:
case MimeParser.ChunkType.Header:
MimeHeader mh = new MimeHeader(sLine);
InitializeMultipart(ref mp, mh);
_headers.Add(mh);
break;
case MimeParser.ChunkType.Body:
CreateBody(sLine, buffer);
break;
case MimeParser.ChunkType.StartBoundary:
if (_body == null)
CreateBody("", buffer);
MimeMessage firstMessage = new MimeMessage(ref mp, (MimeMultipartBody)_body);
break;
case MimeParser.ChunkType.Boundary:
MimeMessage nextMessage = new MimeMessage(ref mp, parentMultipartBody);
return;
case MimeParser.ChunkType.EndBoundary:
return;
case MimeParser.ChunkType.EOF:
break;
default:
break;
}
}
}
catch(Exception err)
{
logger.Error(err);
throw;
}
}
private void CreateBody(string sLine, byte [] buffer)
{
MimeBodyPart mbp = null;
if (_isMultiPart)
{
mbp = new MimeMultipartBody(_boundary);
}
else
{
mbp = new MimeBasicPart();
}
_body = mbp;
//Set content type
string charset = null;
if (_headers["content-type"] != null)
{
_body.ContentType = _headers["content-type"].Value;
if (_headers["content-type"].Parameters["charset"] != null)
{
charset = _headers["content-type"].Parameters["charset"].Value;
}
}
//Set content type
if (_headers["content-transfer-encoding"] != null)
{
_body.Encoding = MimeBodyPart.GetMimeEncoding(_headers["content-transfer-encoding"].Value);
}
//Set text
if (sLine != null)
{
if (_body.Encoding == MimeBodyPart.MimeEncoding.Binary)
{
//Copy buffer
_body.Buffer = buffer;
}
else if (_body.Encoding == MimeBodyPart.MimeEncoding.Base64)
{
_body.Buffer = Convert.FromBase64String(sLine);
}
else
{
if (charset != null)
{
_body.SetText(sLine, MimeBodyPart.GetMimeCharset(charset));
}
else
{
_body.SetText(sLine);
}
}
}
}