public Article GetArticle(string messageId)
{
if (this.connectedServer == null)
{
throw new NntpException("No connecting newsserver.");
}
if (this.connectedGroup == null)
{
throw new NntpException("No connecting newsgroup.");
}
var article = new Article();
Response res = this.MakeRequest("Article " + messageId);
if (res.Code != 220)
{
throw new NntpException(res.Code);
}
int i = res.Message.IndexOf(' ');
article.ArticleId = int.Parse(res.Message.Substring(0, i));
int end = res.Message.Substring(i, res.Message.Length - i - 1).Trim().IndexOf(' ');
if (end == -1)
{
end = res.Message.Length - (i + 1);
}
article.MessageId = res.Message.Substring(i + 1, end);
MIMEPart part = null;
article.Header = this.GetHeader(messageId, out part);
article.MimePart = part;
article.Body = article.MimePart == null ? this.GetNormalBody(article.MessageId) : this.GetMIMEBody(article.MessageId, article.MimePart);
return article;
}
public void PostArticle(Article article)
{
if (this.connectedServer == null)
{
throw new NntpException("No connecting newsserver.");
}
if (this.connectedGroup == null)
{
throw new NntpException("No connecting newsgroup.");
}
Response res = this.MakeRequest("POST");
if (res.Code != 340)
{
throw new NntpException(res.Code, res.Request);
}
var sb = new StringBuilder();
sb.Append("From: ");
sb.Append(article.Header.From);
sb.Append("\r\nNewsgroups: ");
sb.Append(this.connectedGroup.Group);
if (article.Header.ReferenceIds != null && article.Header.ReferenceIds.Length != 0)
{
sb.Append("\r\nReference: ");
sb.Append(string.Join(" ", article.Header.ReferenceIds));
}
sb.Append("\r\nSubject: ");
sb.Append(article.Header.Subject);
sb.Append("\r\n\r\n");
article.Body.Text = article.Body.Text.Replace("\n.", "\n..");
sb.Append(article.Body.Text);
sb.Append("\r\n.\r\n");
res = this.MakeRequest(sb.ToString());
if (res.Code != 240)
{
throw new NntpException(res.Code, res.Request);
}
}
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;
}