| private static ParseMultipartContainer ( MimePart part ) : MultipartContainer | ||
| part | MimePart | |
| Результат | MultipartContainer | |
public static MimeTypedAndEncodedContent ParseMimeTypedAndEncodedContent(string data)
{
MimeTypedAndEncodedContent part = new MimeTypedAndEncodedContent();
// 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 - 1;
string header = data.Substring(0,headerEnd);
header = Parser.Unfold(header);
header = Codec.RFC2047Decode(header);
string body = data.Substring(bodyStart);
// 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(':'))), m.Value.Substring(m.Value.IndexOf(':') + 1));
m = m.NextMatch();
}
// Is it QP encoded text ?
if (part.ContentTransferEncoding.Equals(ContentTransferEncoding.QuotedPrintable))
{
// Get the destination charset, or default to us-ascii.
string charset = "us-ascii";
if (part.Charset != null && part.Charset.Length > 0) charset = part.Charset;
// Decode
part.TextContent = Codec.FromQuotedPrintable(body, charset);
//part.BinaryContent = System.Text.Encoding.GetEncoding(charset).GetBytes(part.TextContent);
}
// Is it a Base64 encoded content ?
else if (part.ContentTransferEncoding.Equals(ContentTransferEncoding.Base64))
{
part.TextContent = body;
//part.BinaryContent = Convert.FromBase64String(part.TextContent);
}
// Is it plain text or binary data ?
else //if (part.ContentTransferEncoding.Equals(ContentTransferEncoding.SevenBits) || part.ContentTransferEncoding.Equals(ContentTransferEncoding.SevenBits))
{
// Get the destination charset, or default to us-ascii.
string charset = "us-ascii";
if (part.Charset != null && part.Charset.Length > 0) charset = part.Charset;
// Extract
part.TextContent = body;
//part.BinaryContent = System.Text.Encoding.GetEncoding(charset).GetBytes(part.TextContent);
}
// Now we have the decoded content and it's type. Let's take appropriate action.
if (part.ContentType.Type.Equals("multipart"))
{
MultipartContainer multipart = Parser.ParseMultipartContainer(part);
multipart.Track = DispatchTrack.MultipartContainer;
return multipart;
}
else if (part.ContentType.Type.Equals("message"))
{
// TODO
}
//else if (part.ContentType.Type.Equals("multipart"))
return part;
}
