/// <summary>
/// The get mime body.
/// </summary>
/// <param name="messageId">
/// The message id.
/// </param>
/// <param name="part">
/// The part.
/// </param>
/// <returns>
/// </returns>
private ArticleBody GetMIMEBody(string messageId, MIMEPart part)
{
string line = null;
ArticleBody body = null;
StringBuilder sb = null;
var attachmentList = new ArrayList();
try
{
NntpUtil.DispatchMIMEContent(this.sr, part, ".");
sb = new StringBuilder();
attachmentList = new ArrayList();
body = new ArticleBody {
IsHtml = true
};
this.ConvertMIMEContent(messageId, part, sb, attachmentList);
body.Text = sb.ToString();
body.Attachments = (Attachment[])attachmentList.ToArray(typeof(Attachment));
}
finally
{
if (((NetworkStream)this.sr.BaseStream).DataAvailable)
{
while ((line = this.sr.ReadLine()) != null && line != ".")
{
;
}
}
}
return(body);
}
public IList <Article> GetArticleList(int low, int high)
{
if (this.connectedServer == null)
{
throw new NntpException("No connecting newsserver.");
}
if (this.connectedGroup == null)
{
throw new NntpException("No connecting newsgroup.");
}
Response res = this.MakeRequest("XOVER " + low + "-" + high);
if (res.Code != 224)
{
throw new NntpException(res.Code, res.Request);
}
var list = new List <Article>();
Article article = null;
string[] values = null;
string response = null;
while ((response = this.sr.ReadLine()) != null && response != ".")
{
try
{
article = new Article {
Header = new ArticleHeader()
};
values = response.Split('\t');
// article id...
article.ArticleId = int.Parse(values[0]);
// subject
article.Header.Subject = NntpUtil.Base64HeaderDecode(values[1]);
// from
article.Header.From = NntpUtil.Base64HeaderDecode(values[2]);
// date
int i = values[3].IndexOf(',');
int offTz;
article.Header.Date = NntpUtil.DecodeUTC(values[3].Substring(i + 1, values[3].Length - 7 - i), out offTz);
article.Header.TimeZoneOffset = offTz;
// messge id
article.MessageId = values[4];
// reference ids
article.Header.ReferenceIds = values[5].Trim().Length == 0 ? new string[0] : values[5].Split(' ');
if (values.Length < 8 || values[7] == null || values[7].Trim() == string.Empty)
{
article.Header.LineCount = 0;
}
else
{
article.Header.LineCount = int.Parse(values[7]);
}
// no body...
article.Body = null;
}
catch (Exception e)
{
throw new Exception(response, e);
}
list.Add(article);
}
return(list);
}
/// <summary>
/// The get normal body.
/// </summary>
/// <param name="messageId">
/// The message id.
/// </param>
/// <returns>
/// </returns>
private ArticleBody GetNormalBody(string messageId)
{
var buff = new char[1];
string response = null;
var list = new ArrayList();
var sb = new StringBuilder();
MemoryStream ms = null;
this.sr.Read(buff, 0, 1);
int i = 0;
Match m = null;
while ((response = this.sr.ReadLine()) != null)
{
if (buff[0] == '.')
{
if (response == string.Empty)
{
break;
}
else
{
sb.Append(response);
}
}
else
{
if ((buff[0] == 'B' || buff[0] == 'b') && (m = Regex.Match(response, @"^EGIN \d\d\d (.+)$", RegexOptions.IgnoreCase)).Success)
{
ms = new MemoryStream();
while ((response = this.sr.ReadLine()) != null && (response.Length != 3 || response.ToUpper() != "END"))
{
NntpUtil.UUDecode(response, ms);
}
ms.Seek(0, SeekOrigin.Begin);
byte[] bytes = new byte[ms.Length];
ms.Read(bytes, 0, (int)ms.Length);
Attachment attach = new Attachment(messageId + " - " + m.Groups[1].ToString(), m.Groups[1].ToString(), bytes);
list.Add(attach);
ms.Close();
i++;
}
else
{
sb.Append(buff[0]);
sb.Append(response);
}
}
sb.Append('\n');
this.sr.Read(buff, 0, 1);
}
var ab = new ArticleBody
{
IsHtml = false, Text = sb.ToString(), Attachments = (Attachment[])list.ToArray(typeof(Attachment))
};
return(ab);
}
/// <summary>
/// The get header.
/// </summary>
/// <param name="messageId">
/// The message id.
/// </param>
/// <param name="part">
/// The part.
/// </param>
/// <returns>
/// </returns>
private ArticleHeader GetHeader(string messageId, out MIMEPart part)
{
string response = null;
var header = new ArticleHeader();
string name = null;
string value = null;
header.ReferenceIds = new string[0];
string[] values = null;
string[] values2 = null;
Match m = null;
part = null;
int i = -1;
while ((response = this.sr.ReadLine()) != null && response != string.Empty)
{
m = Regex.Match(response, @"^\s+(\S+)$");
if (m.Success)
{
value = m.Groups[1].ToString();
}
else
{
i = response.IndexOf(':');
if (i == -1)
{
continue;
}
name = response.Substring(0, i).ToUpper();
value = response.Substring(i + 1);
}
switch (name)
{
case "REFERENCES":
values = value.Trim().Split(' ');
values2 = header.ReferenceIds;
header.ReferenceIds = new string[values.Length + values2.Length];
values.CopyTo(header.ReferenceIds, 0);
values2.CopyTo(header.ReferenceIds, values.Length);
break;
case "SUBJECT":
header.Subject += NntpUtil.Base64HeaderDecode(value);
break;
case "DATE":
// vzrus: 31.03.10 dateTime and tz conversion
int offTz;
header.Date = NntpUtil.DecodeUTC(value, out offTz);
header.TimeZoneOffset = offTz;
break;
case "FROM":
header.From += NntpUtil.Base64HeaderDecode(value);
break;
case "NNTP-POSTING-HOST":
header.PostingHost += value;
break;
case "LINES":
header.LineCount = int.Parse(value);
break;
case "MIME-VERSION":
part = new MIMEPart();
part.ContentType = "TEXT/PLAIN";
part.Charset = "US-ASCII";
part.ContentTransferEncoding = "7BIT";
part.Filename = null;
part.Boundary = null;
break;
case "CONTENT-TYPE":
if (part != null)
{
m = Regex.Match(response, @"CONTENT-TYPE: ""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.ContentType = m.Groups[1].ToString();
}
m = Regex.Match(response, @"BOUNDARY=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Boundary = m.Groups[1].ToString();
part.EmbeddedPartList = new ArrayList();
}
m = Regex.Match(response, @"CHARSET=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Charset = m.Groups[1].ToString();
}
m = Regex.Match(response, @"NAME=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Filename = m.Groups[1].ToString();
}
}
break;
case "CONTENT-TRANSFER-ENCODING":
if (part != null)
{
m = Regex.Match(response, @"CONTENT-TRANSFER-ENCODING: ""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.ContentTransferEncoding = m.Groups[1].ToString();
}
}
break;
}
}
return(header);
}
