public bool Download()
{
if (Downloaded)
{
return(true);
}
//ContentStream = new MemoryStream();
// _writer = new StreamWriter(ContentStream);
Encoding encoding = null;
if (ContentType != null && ContentType.CharSet != null)
{
try
{
encoding = Encoding.GetEncoding(ContentType.CharSet);
}
catch
{
}
}
else if (_message.ContentType != null && _message.ContentType.CharSet != null)
{
try
{
encoding = Encoding.GetEncoding(_message.ContentType.CharSet);
}
catch
{
}
}
IList <string> data = new List <string>();
_contentBuilder = new StringBuilder();
bool result =
_client.SendAndReceive(
string.Format(ImapCommands.Fetch, _message.UId,
string.Format("BODY.PEEK[{0}.MIME] BODY.PEEK[{0}]", ContentNumber)), ref data,
this, encoding);
//_writer.Flush();
_fetchProgress = _fetchProgress | MessageFetchState.Body | MessageFetchState.Headers;
ContentStream = _contentBuilder.ToString();
if (ContentTransferEncoding == ContentTransferEncoding.QuotedPrintable && !string.IsNullOrEmpty(ContentStream))
{
ContentStream = StringDecoder.DecodeQuotedPrintable(ContentStream, encoding);
}
return(result);
}
public override void ProcessCommandResult(string data)
{
if (_client.Capabilities.XGMExt1 && !_downloadProgress.HasFlag(MessageFetchMode.GMailThreads))
{
TryProcessGmThreadId(data);
}
if (_client.Capabilities.XGMExt1 && !_downloadProgress.HasFlag(MessageFetchMode.GMailMessageId))
{
TryProcessGmMsgId(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.Size))
{
TryProcessSize(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.Flags))
{
TryProcessFlags(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.GMailLabels))
{
TryProcessGmLabels(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.InternalDate))
{
TryProcessInternalDate(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.BodyStructure))
{
TryProcessBodyStructure(data);
}
if (Expressions.HeaderRex.IsMatch(data))
{
_fetchState = MessageFetchState.Headers;
_downloadProgress = _downloadProgress | MessageFetchMode.Headers;
}
else if (string.IsNullOrEmpty(data))
{
_fetchState = MessageFetchState.None;
}
else if (_fetchState == MessageFetchState.Headers)
{
TryProcessHeader(data);
}
}
public override void ProcessCommandResult(string data)
{
int index, index2;
if ((index = data.IndexOf("BODY[" + ContentNumber + ".MIME]", StringComparison.Ordinal)) != -1)
{
if ((index2 = data.IndexOf("BODY[" + ContentNumber + ".MIME] NIL", StringComparison.Ordinal)) != -1)
{
data = data.Replace("BODY[" + ContentNumber + ".MIME] NIL", "");
}
else
{
data = CleanData(data, index).Trim();
if (data.StartsWith("*") && data.Contains("FETCH"))
{
data = CommandStartRex.Replace(data, "");
}
if (!string.IsNullOrEmpty(data))
{
AppendDataToContentStream(data);
}
_fetchState = MessageFetchState.Headers;
_fetchProgress = _fetchProgress | MessageFetchState.Headers;
return;
}
}
if ((index = data.IndexOf("BODY[" + ContentNumber + "]", StringComparison.Ordinal)) != -1)
{
data = CleanData(data, index).Trim();
if (data.StartsWith("*") && (data.Contains("UID") || data.Contains("FETCH")))
{
data = CommandStartRex.Replace(data, "");
}
if (!string.IsNullOrEmpty(data))
{
AppendDataToContentStream(data);
}
_fetchState = MessageFetchState.Body;
_fetchProgress = _fetchProgress | MessageFetchState.Body;
return;
}
if (_fetchState == MessageFetchState.Headers)
{
try
{
Match headerMatch = Expressions.HeaderParseRex.Match(data);
if (!headerMatch.Success)
{
return;
}
string key = headerMatch.Groups[1].Value.ToLower();
string value = headerMatch.Groups[2].Value;
if (this.ContentType != null && this.ContentType.MediaType == "message/rfc822")
_contentBuilder.AppendLine(data);
if (Parameters.ContainsKey(key))
{
Parameters[key] = value;
}
else
{
Parameters.Add(key, value);
}
switch (key)
{
case "content-type":
if (ContentType == null)
{
ContentType = HeaderFieldParser.ParseContentType(value);
}
if (!string.IsNullOrEmpty(ContentType.Name))
{
ContentType.Name = StringDecoder.Decode(ContentType.Name, true);
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition
{
DispositionType = DispositionTypeNames.Attachment
};
}
ContentDisposition.FileName = ContentType.Name;
}
break;
case "charset":
if (ContentType == null)
{
ContentType = new ContentType();
}
ContentType.CharSet = value;
break;
case "filename":
case "name":
value = StringDecoder.Decode(value, true);
if (ContentType == null)
{
ContentType = new ContentType();
}
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition();
}
ContentDisposition.FileName = value;
if (string.IsNullOrEmpty(ContentDisposition.DispositionType) && string.IsNullOrEmpty(ContentId))
{
ContentDisposition.DispositionType = DispositionTypeNames.Attachment;
}
ContentType.Name = value;
break;
case "content-id":
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition();
}
ContentDisposition.DispositionType = DispositionTypeNames.Inline;
ContentId = value.Trim(' ', '<', '>');
break;
case "content-disposition":
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition(value);
}
if (!string.IsNullOrEmpty(ContentId))
{
ContentDisposition.DispositionType = DispositionTypeNames.Inline;
}
break;
case "content-transfer-encoding":
ContentTransferEncoding = value.ToContentTransferEncoding();
break;
}
}
catch
{ }
}
else if (CommandEndRex.IsMatch(data))
{
for (var i = _contentBuilder.Length - 1; i >= 0; i--)
{
if (_contentBuilder[i] == ')')
{
_contentBuilder.Remove(i, _contentBuilder.Length - i);
return;
}
}
}
else if ((index = data.IndexOf("UID")) != -1)
{
data = CommandJunkUID.Replace(data, "");
AppendDataToContentStream(data);
return;
}
else
{
AppendDataToContentStream(data);
}
}
public bool Download()
{
if (Downloaded)
{
return true;
}
Encoding encoding = null;
if (ContentType != null && ContentType.CharSet != null)
try
{
encoding = Encoding.GetEncoding(ContentType.CharSet);
}
catch
{ }
else if (_message.ContentType != null && _message.ContentType.CharSet != null)
{
try
{
encoding = Encoding.GetEncoding(_message.ContentType.CharSet);
}
catch
{ }
}
IList<string> data = new List<string>();
_contentBuilder = new StringBuilder();
bool result = _client.SendAndReceive(string.Format(ImapCommands.Fetch, _message.UId, string.Format("BODY.PEEK[{0}.MIME] BODY.PEEK[{0}]", ContentNumber)), ref data, this, encoding);
_fetchProgress = _fetchProgress | MessageFetchState.Body | MessageFetchState.Headers;
ContentStream = _contentBuilder.ToString();
if (ContentTransferEncoding == ContentTransferEncoding.QuotedPrintable && !string.IsNullOrEmpty(ContentStream))
{
ContentStream = StringDecoder.DecodeQuotedPrintable(ContentStream, encoding);
}
return result;
}
public override void ProcessCommandResult(string data)
{
int index, index2;
if ((index = data.IndexOf("BODY[" + ContentNumber + ".MIME]", StringComparison.Ordinal)) != -1)
{
if ((index2 = data.IndexOf("BODY[" + ContentNumber + ".MIME] NIL", StringComparison.Ordinal)) != -1)
{
data = data.Replace("BODY[" + ContentNumber + ".MIME] NIL", "");
}
else
{
data = CleanData(data, index).Trim();
if (data.StartsWith("*") && data.Contains("FETCH"))
{
data = CommandStartRex.Replace(data, "");
}
if (!string.IsNullOrEmpty(data))
{
AppendDataToContentStream(data);
}
_fetchState = MessageFetchState.Headers;
_fetchProgress = _fetchProgress | MessageFetchState.Headers;
return;
}
}
if ((index = data.IndexOf("BODY[" + ContentNumber + "]", StringComparison.Ordinal)) != -1)
{
data = CleanData(data, index).Trim();
if (data.StartsWith("*") && (data.Contains("UID") || data.Contains("FETCH")))
{
data = CommandStartRex.Replace(data, "");
}
if (!string.IsNullOrEmpty(data))
{
AppendDataToContentStream(data);
}
_fetchState = MessageFetchState.Body;
_fetchProgress = _fetchProgress | MessageFetchState.Body;
return;
}
if (_fetchState == MessageFetchState.Headers)
{
try
{
Match headerMatch = Expressions.HeaderParseRex.Match(data);
if (!headerMatch.Success)
{
return;
}
string key = headerMatch.Groups[1].Value.ToLower();
string value = headerMatch.Groups[2].Value;
if (this.ContentType != null && this.ContentType.MediaType == "message/rfc822")
{
_contentBuilder.AppendLine(data);
}
if (Parameters.ContainsKey(key))
{
Parameters[key] = value;
}
else
{
Parameters.Add(key, value);
}
switch (key)
{
case "content-type":
if (ContentType == null)
{
ContentType = HeaderFieldParser.ParseContentType(value);
}
if (!string.IsNullOrEmpty(ContentType.Name))
{
ContentType.Name = StringDecoder.Decode(ContentType.Name, true);
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition
{
DispositionType = DispositionTypeNames.Attachment
}
}
;
ContentDisposition.FileName = ContentType.Name;
}
break;
case "charset":
if (ContentType == null)
{
ContentType = new ContentType();
}
ContentType.CharSet = value;
break;
case "filename":
case "name":
value = StringDecoder.Decode(value, true);
if (ContentType == null)
{
ContentType = new ContentType();
}
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition();
}
ContentDisposition.FileName = value;
if (string.IsNullOrEmpty(ContentDisposition.DispositionType) && string.IsNullOrEmpty(ContentId))
{
ContentDisposition.DispositionType = DispositionTypeNames.Attachment;
}
ContentType.Name = value;
break;
case "content-id":
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition();
}
ContentDisposition.DispositionType = DispositionTypeNames.Inline;
ContentId = value.Trim(' ', '<', '>');
break;
case "content-disposition":
if (ContentDisposition == null)
{
ContentDisposition = new ContentDisposition(value);
}
if (!string.IsNullOrEmpty(ContentId))
{
ContentDisposition.DispositionType = DispositionTypeNames.Inline;
}
break;
case "content-transfer-encoding":
ContentTransferEncoding = value.ToContentTransferEncoding();
break;
}
}
catch
{
}
}
else if (CommandEndRex.IsMatch(data))
{
for (var i = _contentBuilder.Length - 1; i >= 0; i--)
{
if (_contentBuilder[i] == ')')
{
_contentBuilder.Remove(i, _contentBuilder.Length - i);
return;
}
}
}
else if ((index = data.IndexOf("UID")) != -1)
{
data = CommandJunkUID.Replace(data, "");
AppendDataToContentStream(data);
return;
}
else if ((index = data.IndexOf("UID")) != -1)
{
data = CommandJunkUID.Replace(data, "");
AppendDataToContentStream(data);
return;
}
else
{
AppendDataToContentStream(data);
}
}
public override void ProcessCommandResult(string data)
{
if (_client.Capabilities.XGMExt1 && !_downloadProgress.HasFlag(MessageFetchMode.GMailThreads))
{
TryProcessGmThreadId(data);
}
if (_client.Capabilities.XGMExt1 && !_downloadProgress.HasFlag(MessageFetchMode.GMailMessageId))
{
TryProcessGmMsgId(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.Size))
{
TryProcessSize(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.Flags))
{
TryProcessFlags(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.GMailLabels))
{
TryProcessGmLabels(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.InternalDate))
{
TryProcessInternalDate(data);
}
if (!_downloadProgress.HasFlag(MessageFetchMode.BodyStructure))
{
TryProcessBodyStructure(data);
}
if (Expressions.HeaderRex.IsMatch(data))
{
_fetchState = MessageFetchState.Headers;
_downloadProgress = _downloadProgress | MessageFetchMode.Headers;
}
else if (string.IsNullOrEmpty(data))
{
_fetchState = MessageFetchState.None;
}
else if (_fetchState == MessageFetchState.Headers)
{
TryProcessHeader(data);
}
}
