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 ArticleHeadersDictionary CreateHeader(string messageId, string subject)
{
var headers = new ArticleHeadersDictionary();
headers.AddHeader("From", postFromUser);
headers.AddHeader("Subject", subject);
headers.AddHeader("Newsgroups", this.newsgroup);
//headers.AddHeader("Date", new NntpDateTime(DateTime.Now).ToString());
headers.AddHeader("Message-ID", messageId);
return(headers);
}
public ArticleHeadersDictionary CreateHeader(string chunkId, string subject, string posterEmail)
{
string messageId = IdToMessageId(chunkId);
string postFromUser = posterEmail;
var headers = new ArticleHeadersDictionary();
headers.AddHeader("From", postFromUser);
headers.AddHeader("Subject", subject);
headers.AddHeader("Newsgroups", this.newsgroup);
//headers.AddHeader("Date", new NntpDateTime(DateTime.Now).ToString());
headers.AddHeader("User-Agent", Utilities.USERAGENT);
headers.AddHeader("Message-ID", messageId);
return(headers);
}
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);
}
private void postFile(string fileName, string subject, params string[] groups)
{
int fileSize = 0;
if(File.Exists(fileName))
{
if (groups.Length == 0)
{
MessageBox.Show("No newsgroups selected", "Error posting file", MessageBoxButtons.OK);
return ;
}
Stream myStream = null;
string result = "";
try
{
if ((myStream = File.OpenRead(fileName)) != null)
{
using (myStream)
{
// Insert code to read the stream here.
fileSize = (int)myStream.Length;
byte[] buffer = new byte[fileSize];
int count; // actual number of bytes read
int sum = 0; // total number of bytes read
// read until Read method returns 0 (end of the stream has been reached)
while ((count = myStream.Read(buffer, sum, fileSize - sum)) > 0)
sum += count; // sum is a buffer offset for next reading
myStream.Close();
Encoding enc = Encoding.GetEncoding("Windows-1252");
result = enc.GetString(buffer);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error Reading File", MessageBoxButtons.OK);
}
List<string> resultList = new List<string>(Regex.Split(result, "\r\n"));
using (Rfc977NntpClientWithExtensions client = new Rfc977NntpClientWithExtensions())
{
client.Connect(conf.UsenetServer);
client.AuthenticateUser(conf.UsenetUser, conf.UsenetPassword);
string newsgroup = groups[0];
for (int i = 1; i < groups.Length; i++)
newsgroup += "," + groups[i];
SetOutText("NewsGroups: " + newsgroup);
client.SelectNewsgroup(groups[0]);
ArticleHeadersDictionary headers = new ArticleHeadersDictionary();
headers.AddHeader("From", conf.UsenetPoster);
headers.AddHeader("Subject", subject);
headers.AddHeader("Newsgroups", newsgroup);
headers.AddHeader("Date", new NntpDateTime(DateTime.Now).ToString());
SetOutText("ResultList length: " + resultList.Count);
client.PostArticle(new ArticleHeadersDictionaryEnumerator(headers), resultList);
SetOutText("Done Sending file: " + client.LastNntpResponse);
string[] response = client.LastNntpResponse.Split(' ');
if (response[0] != "240")
{
MessageBox.Show("News server returned error: " + response[0], "Error posting file", MessageBoxButtons.OK);
}
else
{
char[] strip = { '<', '>' };
fileList.Last().Append(response[1].Trim(strip), fileSize);
}
}
}else{
MessageBox.Show("Could not find file: " + fileName, "Error posting file", MessageBoxButtons.OK);
}
}
/// <summary>
/// Retrieves the article header common functionality. The command argument
/// should be in the form "HEAD [article-id|message-id]."
/// </summary>
/// <param name="command">The command.</param>
/// <returns></returns>
protected ArticleHeadersDictionary RetrieveArticleHeaderCore(string command)
{
ArticleHeadersDictionary headers = new ArticleHeadersDictionary();
foreach (string s in DoArticleCommand(command, Rfc977ResponseCodes.ArticleRetrievedHeadFollows))
{
if (s.Length == 0)
{
break;
}
else
{
headers.AddHeader(s);
}
}
return headers;
}
/// <summary>
/// Retrieves the article headers for the specified range.
/// </summary>
/// <param name="firstArticleId">The first article id.</param>
/// <param name="lastArticleId">The last article id.</param>
/// <returns></returns>
public override IEnumerable<ArticleHeadersDictionary> RetrieveArticleHeaders(int firstArticleId, int lastArticleId)
{
if (!CurrentGroupSelected)
{
throw new NntpGroupNotSelectedException();
}
if (m_supportsXover)
{
string[] headerNames = new string[] { "Article-ID", "Subject", "From", "Date", "Message-ID", "Xref", "Bytes", "Lines"};
foreach (string s in DoArticleCommand("XOVER " + firstArticleId + "-" + lastArticleId, 224))
{
ArticleHeadersDictionary headers = new ArticleHeadersDictionary();
string[] fields = s.Split('\t');
for (int i = 0; i < headerNames.Length; i++)
{
headers.AddHeader(headerNames[i], fields[i]);
}
yield return headers;
}
}
else
{
// I can't use the base class to do this.
for (; firstArticleId < lastArticleId; firstArticleId++)
{
yield return RetrieveArticleHeader(firstArticleId);
}
}
}
public void PostArticle()
{
using (var client = new Rfc977NntpClient())
{
client.Connect(Server);
client.SelectNewsgroup(TestNewsGroup);
var headers = new ArticleHeadersDictionary();
headers.AddHeader("From", "[email protected] (Anonymous)");
headers.AddHeader("Subject", "Test - Please Ignore.");
headers.AddHeader("Newsgroups", TestNewsGroup);
headers.AddHeader("Date", new NntpDateTime(DateTime.Now).ToString());
var body = new List<string>();
body.Add("One line test message body.");
client.PostArticle(new ArticleHeadersDictionaryEnumerator(headers), body);
}
}
public void GroupSelectAndDownloadMultipleArticles()
{
using (var client = new Rfc977NntpClientWithExtensions())
{
client.ConnectTest();
client.SendModeReader();
client.SelectNewsgroup("alt.test");
for (var i = 0; i < 2; i++)
{
IArticleHeadersProcessor header = new ArticleHeadersDictionary();
IArticleBodyProcessor body = new ArticleBodyTextCollection();
client.RetrieveArticle(client.CurrentGroup.FirstArticleId, header, body);
}
}
}
public void PostArticleWithAuthentication()
{
using (var client = new Rfc977NntpClientWithExtensions())
{
client.ConnectTest();
var newsgroup = "alt.test";
client.SelectNewsgroup(newsgroup);
var headers = new ArticleHeadersDictionary();
headers.AddHeader("From", "[email protected] (Anonymous)");
headers.AddHeader("Subject", "Test - " + Guid.NewGuid().ToString());
headers.AddHeader("Newsgroups", newsgroup);
headers.AddHeader("Date", new NntpDateTime(DateTime.Now).ToString());
var body = new List<string>();
body.Add("One line test message body.");
client.PostArticle(new ArticleHeadersDictionaryEnumerator(headers), body);
}
}
