public void ProcessRequest(HttpContext context)
{
string[] path = context.Request.Path.Split('/');
string server = path[1];
string group = path[2];
int days = int.Parse(context.Request.QueryString["days"]);
using (Rfc977NntpClientWithExtensions nntp = new Rfc977NntpClientWithExtensions())
{
nntp.Connect(server);
nntp.SelectNewsgroup(group);
using (XmlWriter rss = XmlWriter.Create(context.Response.Output))
{
rss.WriteStartDocument();
rss.WriteStartElement("rss");
rss.WriteAttributeString("version", "2.0");
{
rss.WriteStartElement("channel");
rss.WriteElementString("title", "aa");
ArticleBodyTextCollection body = new ArticleBodyTextCollection();
ArticleHeadersDictionary headers = new ArticleHeadersDictionary();
nntp.RetrieveArticle(nntp.CurrentGroup.LastArticleId, headers, body);
while (true)
{
DateTime date = DateTime.Parse(headers["Date"][0]);
if (DateTime.Now - date > TimeSpan.FromDays(days))
{
break;
}
rss.WriteStartElement("item");
rss.WriteElementString("title", headers["Subject"][0]);
rss.WriteElementString("description", body[0]);
rss.WriteEndElement();
ArticleResponseIds ids = nntp.SetPreviousArticle();
if (ids == null)
{
break;
}
headers.Clear();
body.Clear();
nntp.RetrieveArticle(headers, body);
}
rss.WriteEndElement();
}
rss.WriteEndElement();
rss.WriteEndDocument();
}
}
}
public bool Connect()
{
try
{
client = ConnectUsenet();
return(true);
}
catch (Exception ex)
{
throw ex;
}
}
public Rfc977NntpClientWithExtensions ConnectUsenet()
{
Rfc977NntpClientWithExtensions tmpClient = new Rfc977NntpClientWithExtensions();
tmpClient.ConnectionTimeout = 30000;
tmpClient.Connect(serverAddress, port, useSSL, proxyClient);
if (username != null && password != null)
{
tmpClient.AuthenticateUser(username, password);
}
var newsgroup = this.newsgroup;
tmpClient.SelectNewsgroup(newsgroup);
return(tmpClient);
}
public Rfc977NntpClientWithExtensions ConnectUsenet()
{
var client1 = new Rfc977NntpClientWithExtensions();
client1.Connect(this.serverAddress, this.port, this.useSSL);
if (this.username != null && this.password != null)
{
client1.AuthenticateUser(this.username, this.password);
}
var newsgroup = this.newsgroup;
client1.SelectNewsgroup(newsgroup);
return(client1);
}
public bool Upload(UsenetChunk chunk, string posterEmail)
{
if (CheckConnexion() == false)
{
return(false);
}
ArticleHeadersDictionary headers = CreateHeader(chunk.Id, chunk.Subject, posterEmail);
Rfc977NntpClientWithExtensions nntpClient = client;
var rawData = chunk.Data;
try
{
try
{
nntpClient.PostArticle(new ArticleHeadersDictionaryEnumerator(headers), Upload(rawData).ToList());
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
if (nntpClient.LastNntpResponse.StartsWith("441 "))
{
return(false);
}
//throw ex;
}
//if (!nntpClient.LastNntpResponse.StartsWith("240 ") && nntpClient.LastNntpResponse.Split('<')[1].Split('>')[0] == null)
//{
// throw new Exception(nntpClient.LastNntpResponse);
//}
if (nntpClient.LastNntpResponse.StartsWith("240 "))
{
return(true);
}
}
catch (Exception ex)
{
//nothing todo
System.Diagnostics.Debug.WriteLine(ex.Message);
}
return(false);
}
public bool Upload(Chunk chunk)
{
ArticleHeadersDictionary headers = CreateHeader(IdToMessageId(chunk.ID), chunk.Subject);
Rfc977NntpClientWithExtensions nntpClient = client;
var rawData = chunk.Data;
try
{
using (MemoryStream ms = new MemoryStream(rawData))
{
nntpClient.PostArticle(new ArticleHeadersDictionaryEnumerator(headers), Upload(rawData.Length, ms));
}
}
catch (Exception ex)
{
if (nntpClient.LastNntpResponse.StartsWith("441 Posting Failed"))
{
return(false);
}
throw ex;
}
try
{
if (!nntpClient.LastNntpResponse.StartsWith("240 Article Posted") && nntpClient.LastNntpResponse.Split('<')[1].Split('>')[0] == null)
{
throw new Exception(nntpClient.LastNntpResponse);
}
}
catch
{
throw new Exception(nntpClient.LastNntpResponse);
}
return(true);
}
//Fonction qui verifie si un article est present sur le reseau
public bool CheckArticle(string chunkId)
{
if (CheckConnexion() == false)
{
return(false);
}
string messageId = IdToMessageId(chunkId);
Rfc977NntpClientWithExtensions nntpClient = client;
try
{
ArticleHeadersDictionary dico = nntpClient.RetrieveArticleHeader(messageId);
if (dico.ContainsKey("Message-ID"))
{
return(true);
}
}
catch (Exception ex)
{
string k = ex.Message;
}
return(false);
}