public MemoryStream ToMemoryStream(ComParameter data, string boundary, NetTrace trace)
{
byte[] bytes = Encoding.ASCII.GetBytes("\r\n");
MemoryStream stream = new MemoryStream();
bool flag = data.AttachCount > 0;
if (!string.IsNullOrEmpty(data.DataString))
{
string str = MimeFormat.TextPart(boundary, this.BaseCharset);
MemoryStream stream2 = this.TextEncoding(data.DataString);
try
{
if (flag)
{
if (trace != null)
{
trace.WriteString(NetTrace.Tracekind.MIME, string.Format("+ {0,-16} : {1}", "ToMemoryStream", string.Format("TextDataLength={0}{1}{2}", stream2.ToArray().Length, "\r\n", str)));
}
byte[] buffer = Encoding.ASCII.GetBytes(str);
stream.Write(buffer, 0, buffer.Length);
}
stream.Write(stream2.ToArray(), 0, stream2.ToArray().Length);
}
finally
{
stream2.Close();
}
}
foreach (string str2 in data.AttachFiles)
{
if (stream.ToArray().Length > 0)
{
stream.Write(bytes, 0, bytes.Length);
}
string path = Path.Combine(data.AttachFolder, str2);
string s = MimeFormat.AttachtPart(path, boundary);
string str5 = this.ReadAttachFile(path) + "\r\n";
byte[] buffer3 = this.BaseEncoding.GetBytes(str5);
if (trace != null)
{
trace.WriteString(NetTrace.Tracekind.MIME, string.Format("+ {0,-16} : {1}", "ToMemoryStream", string.Format("AttachFilename={0} DataLength={1}{2}{3}", new object[] { str2, buffer3.Length, "\r\n", s })));
}
byte[] buffer4 = Encoding.ASCII.GetBytes(s);
stream.Write(buffer4, 0, buffer4.Length);
stream.Write(buffer3, 0, buffer3.Length);
}
if (flag)
{
stream.Write(bytes, 0, bytes.Length);
byte[] buffer5 = Encoding.ASCII.GetBytes(MimeFormat.LastPart(boundary));
stream.Write(buffer5, 0, buffer5.Length);
}
return stream;
}
public ComParameter ToComParameter(MemoryStream mem, string boundary, NetTrace trace)
{
MimePart part;
ComParameter parameter = new ComParameter();
byte[] buffer = mem.ToArray();
for (long i = 0L; this.GetPart(boundary, buffer, i, out part); i = part.NextOffset)
{
if (Encoding.ASCII.GetString(buffer, (((int) part.BodyOffset) + part.BodyLength) - 4, 4).EndsWith("\r\n\r\n"))
{
part.BodyLength -= 2;
}
ContentType ct = null;
string str2 = null;
ContentDisposition cd = null;
string str3 = this.GetValue(part.HdList, "Content-type");
if (!string.IsNullOrEmpty(str3))
{
ct = new ContentType(str3);
}
str2 = this.GetValue(part.HdList, "Content-Transfer-Encoding");
str3 = this.GetValue(part.HdList, "Content-Disposition");
if (!string.IsNullOrEmpty(str3))
{
cd = new ContentDisposition(str3);
}
if (MimeFormat.IsAttachment(cd))
{
if (string.IsNullOrEmpty(parameter.AttachFolder))
{
parameter.AttachFolder = this.AttachFolder;
this.CreateAttachFolder(parameter.AttachFolder);
}
string str4 = MimeFormat.DecodeAttachFile(cd.FileName);
if (trace != null)
{
trace.WriteString(NetTrace.Tracekind.MIME, string.Format("+ {0,-16} : {1}", "ToComParameter", string.Format("AttachFilename={0} DataLength={1}{2}{3}", new object[] { str4, part.BodyLength, "\r\n", part.Header })));
}
if ((str2 != null) && str2.StartsWith("base64", StringComparison.CurrentCultureIgnoreCase))
{
string str5 = Encoding.ASCII.GetString(buffer, (int) part.BodyOffset, part.BodyLength);
this.WriteAttachFile(Path.Combine(parameter.AttachFolder, str4), str5);
}
else
{
FileStream stream = new FileStream(Path.Combine(parameter.AttachFolder, str4), FileMode.OpenOrCreate, FileAccess.Write);
stream.Write(buffer, (int) part.BodyOffset, part.BodyLength);
stream.Close();
}
}
else if (MimeFormat.IsText(ct))
{
if (trace != null)
{
trace.WriteString(NetTrace.Tracekind.MIME, string.Format("+ {0,-16} : {1}", "ToComParameter", string.Format("TextDataLength={0}{1}{2}", part.BodyLength, "\r\n", part.Header)));
}
if (string.IsNullOrEmpty(parameter.DataString))
{
parameter.DataString = this.TextDecoding(buffer, (int) part.BodyOffset, part.BodyLength, ct.CharSet);
}
}
if (part.LastPart)
{
return parameter;
}
}
return parameter;
}
