private string unencode_line(Mime.encoding enc, string line)
{
if (enc == Mime.encoding.base64)
{
return(clib.decode_base64(line, this.textenc));
}
return(enc == Mime.encoding.quoted ? clib.decode_quoted_printable(line, this.textenc) : line);
}
private void set_transfer(string bf)
{
bf = bf.ToLower();
this.current_encoding = Mime.encoding.none;
if (bf.Contains("quoted"))
{
this.current_encoding = Mime.encoding.quoted;
}
if (!bf.Contains("base64"))
{
return;
}
this.current_encoding = Mime.encoding.base64;
}
private void decode_body(int linei, string line)
{
bool isend;
if (this.is_boundary(line, out isend))
{
this.attach_done();
this.form_done();
this.current_encoding = Mime.encoding.none;
this.content_type = "";
this.intextpart = false;
this.inhtmlpart = false;
this.inattachpart = false;
this.ismsgheader = false;
this.ismsgpart = false;
this.part_subj = "";
this.part_from = "";
if (isend)
{
return;
}
this.inmimeheader = true;
}
else if (this.inmimeheader)
{
if (line.Length == 0)
{
if (this.content_type == "")
{
this.decode_part_header("Content-Type: text/plain");
}
if (!this.inattachpart && this.content_type.IndexOf("rfc822", StringComparison.OrdinalIgnoreCase) > 0)
{
this.decode_part_header(string.Format(" name=test_{0}.eml", (object)this.msgi++));
}
}
this.decode_part_header(line);
}
else
{
if (this.gobble_indent && line.Length > 0)
{
int startIndex = 0;
while (startIndex < line.Length && line[startIndex] == '>')
{
++startIndex;
}
if (startIndex < line.Length)
{
if (line[startIndex] == ' ')
{
++startIndex;
}
}
try
{
line = line.Substring(startIndex);
}
catch
{
}
}
this.gobble_indent = false;
if (this.current_encoding != Mime.encoding.none)
{
if (line.Length > 0)
{
line = this.unencode_line(this.current_encoding, line);
}
}
else if (this.intextpart && this.isflowed)
{
int length = line.Length;
if (length > 0)
{
if (line[length - 1] != ' ')
{
line += "\r\n";
}
else
{
this.gobble_indent = true;
}
}
else
{
line += "\r\n";
}
}
else
{
line += "\r\n";
}
if (this.inform)
{
if (this.attach_stream != null)
{
byte[] buffer = clib.string_to_byte(line);
this.attach_stream.Write(buffer, 0, ((IEnumerable <byte>)buffer).Count <byte>());
}
else
{
this.form_val.Append(line);
}
}
else if (this.intextpart)
{
this.text.Append(line);
}
else if (this.inhtmlpart)
{
this.html.Append(line);
}
if (this.ismsgheader)
{
if (line == "\r\n")
{
this.ismsgheader = false;
if (this.ismsgpart && this.html.Length > 0)
{
this.html.Append(string.Format("<hr><p><a href=\"{0}\">Click to Open Attached Email Message</a></p>", (object)clib.to_url(this.part_fname), (object)clib.web_encode(this.part_subj.Substring(0, clib.min(100, this.part_subj.Length))), (object)clib.web_encode(clib.nice_email(this.part_from))));
}
}
if (line.StartsWith("Subject: "))
{
this.part_subj = line.Substring(9);
}
if (line.StartsWith("From: "))
{
this.part_from = line.Substring(6);
}
}
if (this.inattachpart)
{
byte[] buffer = clib.string_to_byte(line);
if (this.fout != null)
{
this.fout.Write(buffer, 0, ((IEnumerable <byte>)buffer).Count <byte>());
}
}
}
}
