private void DetectBody()
{
String type = String.Empty;
if (this.ContentType != null)
{
type = this.ContentType.MimeType.ToLower();
}
List <String> lines = new List <String>();
Byte[] data;
Int32 mode = 0;
if (type.StartsWith("text") || type.StartsWith("message"))
{
mode = 1;
}
if (type.StartsWith("multipart"))
{
mode = 2;
}
switch (mode)
{
case 0:
this.IsFile = true;
foreach (String line in this.Body)
{
switch (this.ContentTransferEncoding)
{
case "base64":
lines.Add(line);
break;
case "quoted-printable":
if (line.EndsWith("="))
{
lines.Add(line.Remove(line.Length - 1));
}
else
{
lines.Add(line);
}
break;
}
}
switch (this.ContentTransferEncoding)
{
case "7bit":
this.BinaryContent = Encoding.UTF7.GetBytes(String.Join("\n", lines));
break;
case "8bit":
this.BinaryContent = Encoding.UTF8.GetBytes(String.Join("\n", lines));
break;
case "base64":
data = Util.DecodeBase64(String.Join(String.Empty, lines));
this.BinaryContent = data;
break;
case "quoted-printable":
data = Util.DecodeQuoted(String.Join(String.Empty, lines));
this.BinaryContent = data;
break;
}
break;
case 1:
this.IsText = true;
foreach (String line in this.Body)
{
switch (this.ContentTransferEncoding)
{
case "7bit":
lines.Add(line);
break;
case "8bit":
lines.Add(line);
break;
case "base64":
lines.Add(line);
break;
case "quoted-printable":
if (line.EndsWith("="))
{
lines.Add(line.Remove(line.Length - 1));
}
else
{
lines.Add(line);
}
break;
default:
lines.Add(line);
break;
}
}
switch (this.ContentTransferEncoding)
{
case "7bit":
this.StringContent = String.Join("\n", lines);
break;
case "8bit":
this.StringContent = String.Join("\n", lines);
break;
case "base64":
data = Util.DecodeBase64(String.Join(String.Empty, lines));
if (data.Length == 0)
{
this.StringContent = String.Empty;
}
else
{
this.StringContent = Util.DetectCharset(data, this.ContentType.Charset).GetString(data);
}
break;
case "quoted-printable":
data = Util.DecodeQuoted(String.Join(String.Empty, lines));
if (data.Length == 0)
{
this.StringContent = String.Empty;
}
else
{
this.StringContent = Util.DetectCharset(data, this.ContentType.Charset).GetString(data).Replace("_", " ");
}
break;
default:
this.StringContent = String.Join("\n", lines);
break;
}
break;
case 2:
this.IsMultipart = true;
String partStart = String.Format("--{0}", this.ContentType.Boundary);
String partClose = String.Format("--{0}--", this.ContentType.Boundary);
foreach (String line in this.Body)
{
if (line.Equals(partStart))
{
if (lines.Count != 0)
{
MimePart part = new MimePart();
part.RawString = String.Join("\n", lines);
part.Parse();
this.PartContents.Add(part);
}
lines.Clear();
continue;
}
if (line.Equals(partClose))
{
MimePart part = new MimePart();
part.RawString = String.Join("\n", lines);
part.Parse();
this.PartContents.Add(part);
break;
}
lines.Add(line);
}
break;
}
}