public object Parse(string value, object argument)
{
var index = value.IndexOf(Characters.Colon);
value = value.Substring(index + 1).Trim();
return(TransferEncoder.DecodeHeaderIfNecessary(value));
}
public virtual void Deserialize(string literals)
{
var index = literals.IndexOf(":");
Name = literals.Substring(0, index);
var tail = literals.Substring(index + 1).Trim();
var decodedText = TransferEncoder.DecodeHeaderIfNecessary(tail);
ParseRemainder(decodedText);
}
public object Parse(string text, object argument)
{
var envelope = new Envelope();
// quotes inside the subject can trash the regex results, therefor we will tempararily replace them
text = text.Replace("\\\"", "&,,4+");
var matches = Regex.Matches(text, RegexPatterns.EnvelopeResponsePattern);
if (matches.Count != 10)
{
Debug.WriteLine(FailureMessages.UnexpectedItemCountInEnvelopeMessage);
Debug.WriteLine("Response: " + text);
return(envelope);
}
DateTime date;
var normalized = TransferEncoder.DecodeHeaderIfNecessary(matches[0].Value).TrimQuotes().RemoveComments();
var success = DateTime.TryParse(normalized, out date);
if (success)
{
envelope.Date = date;
}
else
{
Debug.WriteLine(FailureMessages.UnexpectedDateFormatMessage);
Debug.WriteLine("Date: " + normalized);
}
envelope.Subject = matches[1].Value.TrimQuotes();
// need to insert the previously replaced quotes
envelope.Subject = envelope.Subject.Replace("&,,4+", "\"");
envelope.Subject = TransferEncoder.DecodeHeaderIfNecessary(envelope.Subject);
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[2].Value);
var from = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.From).AddRange(from);
}
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[3].Value);
var sender = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.Sender).AddRange(sender);
}
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[4].Value);
var replyTo = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.ReplyTo).AddRange(replyTo);
}
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[5].Value);
var to = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.To).AddRange(to);
}
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[6].Value);
var cc = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.Cc).AddRange(cc);
}
{
var value = TransferEncoder.DecodeHeaderIfNecessary(matches[7].Value);
var bcc = ParseContacts(value.TrimQuotes());
((List <EmailContact>)envelope.Bcc).AddRange(bcc);
}
var inReplyTo = TransferEncoder.DecodeHeaderIfNecessary(matches[8].Value).TrimQuotes();
envelope.InReplyTo = inReplyTo.IsNilOrEmpty() ? string.Empty : inReplyTo;
var messageId = TransferEncoder.DecodeHeaderIfNecessary(matches[9].Value).TrimQuotes();
envelope.MessageId = messageId.IsNilOrEmpty() ? string.Empty : messageId;
return(envelope);
}
public string ReadSection(ImapResponseReader reader)
{
var text = reader.CurrentLine;
var sn = Regex.Match(text, @"\d+").Value;
using (var sw = new StringWriter()) {
using (var sr = new StringReader(text)) {
var stack = new Stack <char>();
var isStarted = false;
var index = text.IndexOf("BODYSTRUCTURE");
var buffer = new char[index + 1];
sr.Read(buffer, 0, index);
while (true)
{
if (isStarted)
{
sw.Write(buffer[0]);
}
var count = sr.Read(buffer, 0, 1);
// end of string
if (count == 0)
{
break;
}
// matching brace found
if (isStarted && stack.Count == 0)
{
break;
}
if (buffer[0] == Characters.RoundOpenBracket)
{
stack.Push(buffer[0]);
isStarted = true;
continue;
}
if (buffer[0] == Characters.RoundClosedBracket)
{
stack.Pop();
continue;
}
}
// is a size appended to indicate multilined data? {####}
var sizeMatch = Regex.Match(reader.CurrentLine, @"\{\d+\}$");
if (sizeMatch.Success)
{
// need to remove {####} from end of string
sw.RemoveLast(sizeMatch.Value.Length);
// Usually we could determine the amount of data to read from the size parameter at the end of the line
// unfortunately here the number contained seems to be completely arbitrary since it never fits, coming from 1und1 its always 107, no matter what follows.
// The 'only' thing I can be sure of when determining the amount of data to append is that it has to end with a closing bracket, no matter what.
while (true)
{
reader.ReadNextLine();
var line = reader.CurrentLine;
sizeMatch = Regex.Match(reader.CurrentLine, @"\{\d+\}$");
// cut trailing {###} expression if necessary
var normalizedLine = sizeMatch.Success ? line.Substring(0, line.Length - sizeMatch.Value.Length) : line;
// decode line since its usually encoded using QP or Base64
normalizedLine = TransferEncoder.DecodeHeaderIfNecessary(normalizedLine);
// append line to regular body struct
sw.Write(normalizedLine);
if (reader.CurrentLine.EndsWith(")"))
{
break;
}
}
}
// we silently append the sequence number to the end of the body structure,
// the parser will ignore it, but we can read it later without having to split or change this string
sw.Write(Characters.Space);
sw.Write(sn);
return(sw.ToString());
}
}
}
