internal static Bodypart BodypartFromMIME(MIMEPart mimePart)
{
NameValueCollection contentType = ParseMIMEField(mimePart.Header["Content-Type"]);
Bodypart p = new Bodypart(null);
Match m = Regex.Match(contentType["value"], "(.+)/(.+)");
if (m.Success)
{
p.ContentType = ContentTypeMap.FromString(m.Groups[1].Value);
p.Subtype = m.Groups[2].Value;
}
p.Encoding = ContentTransferEncodingMap.FromString(mimePart.Header["Content-Transfer-Encoding"]);
p.Id = mimePart.Header["Content-Id"];
foreach (string k in contentType.AllKeys)
{
p.Parameters.Add(k, contentType[k]);
}
p.Size = mimePart.Body.Length;
if (mimePart.Header["Content-Disposition"] != null)
{
NameValueCollection disposition = ParseMIMEField(mimePart.Header["Content-Disposition"]);
p.Disposition.ContentType = ContentDispositionTypeMap.FromString(disposition["value"]);
p.Disposition.FileName = disposition["FileName"];
foreach (string k in disposition.AllKeys)
{
p.Disposition.Attributes.Add(k, disposition[k]);
}
}
return p;
}
internal static MIMEPart[] ParseMIMEParts(StringReader reader, string boundary)
{
List<MIMEPart> list = new List<MIMEPart>();
string start = "--" + boundary, end = "--" + boundary + "--", line;
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith(start))
{
break;
}
}
while (line != null && line.StartsWith(start))
{
MIMEPart p = new MIMEPart();
StringBuilder header = new StringBuilder();
while (!string.IsNullOrEmpty(line = reader.ReadLine()))
{
header.AppendLine(line);
}
p.Header = ParseMailHeader(header.ToString());
NameValueCollection contentType = ParseMIMEField(p.Header["Content-Type"]);
if (contentType["Boundary"] != null)
{
list.AddRange(ParseMIMEParts(reader, contentType["boundary"]));
}
StringBuilder body = new StringBuilder();
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith(start))
{
break;
}
body.AppendLine(line);
}
p.Body = body.ToString();
if (string.IsNullOrEmpty(p.Body) && string.IsNullOrEmpty(p.Body.Trim()))
{
list.Add(p);
}
if (line == null || line.StartsWith(end))
{
break;
}
}
return list.ToArray();
}