/// <summary>
/// Parses the MIME part.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public static MimePart ParseMimePart(string data, Message message)
{
MimePart part = new MimePart();
part.ParentMessage = message;
part.OriginalContent = data;
try
{
// Separate header and body.
int headerEnd = Regex.Match(data, @".(?=\r?\n\r?\n)").Index + 1;
int bodyStart = Regex.Match(data, @"(?<=\r?\n\r?\n).").Index;
//TODO: remove this workaround
if (bodyStart == 0)
{
//bodyStart = data.IndexOf("\r\n\r\n");
// Fix for a bug - the bodyStart was -1 (Invalid), MCALADO: 04/07/2008
int indexBody = data.IndexOf("\r\n\r\n");
if (indexBody > 0)
{
bodyStart = indexBody;
}
}
if (data.Length >= headerEnd)
{
string header = data.Substring(0, headerEnd);
header = Parser.Unfold(header);
//header = header);
// The bodyStart need to be greather than data.length - MCALADO: 04/07/2008
string body = string.Empty;
if (bodyStart < data.Length)
{
body = data.Substring(bodyStart);
}
// Store the (maybe still encoded) body.
part.TextContent = body;
// Parse header fields and their parameters.
Match m = Regex.Match(header, @"(?<=((\r?\n)|\n)|\A)\S+:(.|(\r?\n[\t ]))+(?=((\r?\n)\S)|\Z)");
while (m.Success)
{
if (m.Value.ToLower().StartsWith("content-type:"))
{
part.ContentType = Parser.GetContentType(m.Value);
}
else if (m.Value.ToLower().StartsWith("content-disposition:"))
{
part.ContentDisposition = Parser.GetContentDisposition(m.Value);
}
part.HeaderFields.Add(FormatFieldName(m.Value.Substring(0, m.Value.IndexOf(':'))), Codec.RFC2047Decode(m.Value.Substring(m.Value.IndexOf(':') + 1).Trim(' ', '\r', '\n')));
part.HeaderFieldNames.Add(FormatFieldName(m.Value.Substring(0, m.Value.IndexOf(':'))), Codec.RFC2047Decode(m.Value.Substring(0, m.Value.IndexOf(':')).Trim(' ', '\r', '\n')));
m = m.NextMatch();
}
// Build the part tree.
// This is a container part.
if (part.ContentType.Type.ToLower().Equals("multipart"))
{
Parser.ParseSubParts(ref part, message);
}
// This is a nested message.
else if (part.ContentType.Type.ToLower().Equals("message"))
{
// TODO
}
// This is a leaf of the part tree
// Check necessary for single part emails (fix from alex294 on CodePlex)
// Why would we consider the body only to the first string? Doesn't make sense - and fails
//else if (part.ContentType.Type.ToLower().Equals("text"))
//{
// int BodyEnd = body.IndexOf(' ');
// if (BodyEnd > 0)
// {
// part.TextContent = body.Substring(0, BodyEnd);
// }
//}
DecodePartBody(ref part);
try
{
BodyParsed(null, message);
}
catch (Exception)
{
// event is not supported.
}
}
}
catch (Exception ex)
{
throw new ParsingException(ex.Message);
}
return(part);
}
