private void doAuthenticate()
{
doChangeState(XmppEngineState.Opening);
if (tcpClient != null)
{
tcpClient.Dispose();
tcpClient = null;
}
try {
tcpClient = new XmppTcpSocket(HostName, HostPort);
}
catch (Exception ex) {
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.SocketError, string.Empty, ex.GetType().ToString() + ": " + ex.Message));
}
if (tcpClient != null)
{
tcpClient.Dispose();
tcpClient = null;
}
return;
}
string stream;
XmppIQ xStream;
// ==========================================================================
// === START TLS LAYER ======================================================
stream = doRequestFeatures();
if (stream.Contains("<starttls"))
{
sendStream("<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"/>");
stream = recvStream();
if (stream.Contains("<proceed"))
{
bool sslStarted = false;
string message = string.Empty;
try {
sslStarted = tcpClient.StartSSL();
sslStarted = true;
}
catch (Exception ex) {
sslStarted = false;
message = string.Format("{0}: {1}", ex.GetType(), ex.Message);
}
if (!sslStarted)
{
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.SocketStartSSLError, string.Empty, message));
}
return;
}
stream = doRequestFeatures();
}
}
if (stream.Contains("<mechanism>DIGEST-MD5</mechanism>"))
{
// ==========================================================================
// === SASL DIGEST-MD5 AUTHENTICATION PROCESS ===============================
DigestMD5MechanismProvider mech = new DigestMD5MechanismProvider(UserName, UserPassword);
sendStream(mech.GetAuthStream());
stream = recvStream();
xStream = XmppIQ.Parse(stream);
if (!xStream.Equal("challenge", "urn:ietf:params:xml:ns:xmpp-sasl"))
{
if (Error != null)
{
string tag, message;
XmppError.Parse(XmppIQ.Parse(stream), out tag, out message);
Error(this, new XmppErrorEventArgs(XmppErrorType.AuthUserNotAuthorized, tag, message));
}
return;
}
sendStream(mech.GetChallengeResponse(xStream.Text));
stream = recvStream();
xStream = XmppIQ.Parse(stream);
if (!xStream.Equal("challenge", "urn:ietf:params:xml:ns:xmpp-sasl"))
{
if (Error != null)
{
string tag, message;
XmppError.Parse(XmppIQ.Parse(stream), out tag, out message);
Error(this, new XmppErrorEventArgs(XmppErrorType.AuthUserNotAuthorized, tag, message));
}
return;
}
sendStream("<response xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\"/>");
}
else if (stream.Contains("<mechanism>PLAIN</mechanism>"))
{
// ==========================================================================
// === SASL PLAIN AUTHENTICATION PROCESS ====================================
PlainMechanismProvider mech = new PlainMechanismProvider(UserName, UserPassword);
sendStream(mech.GetAuthStream());
}
else if (stream.Contains("<mechanism>X-GOOGLE-TOKEN</mechanism>"))
{
// ==========================================================================
// === SASL X-GOOGLE-TOKEN AUTHENTICATION PROCESS ====================================
XGoogleTokenMechanismProvider mech = new XGoogleTokenMechanismProvider(UserName, UserPassword, UserResource);
sendStream(mech.GetAuthStream());
}
else if (stream.Contains("<mechanism>X-MESSENGER-OAUTH2</mechanism>"))
{
// ==========================================================================
// === SASL X-MESSENGER-OAUTH2 AUTHENTICATION PROCESS ====================================
XMessengerOAuth2MechanismProvider mech = new XMessengerOAuth2MechanismProvider(UserName, UserOAuthToken);
sendStream(mech.GetAuthStream());
}
else if (stream.Contains("<mechanism>X-FACEBOOK-PLATFORM</mechanism>"))
{
// ==========================================================================
// === SASL X-FACEBOOK-PLATFORM AUTHENTICATION PROCESS ====================================
XFacebookPlatformMechanismProvider mech = new XFacebookPlatformMechanismProvider(UserName, UserOAuthToken);
sendStream(mech.GetAuthStream());
stream = recvStream();
xStream = XmppIQ.Parse(stream);
if (!xStream.Equal("challenge", "urn:ietf:params:xml:ns:xmpp-sasl"))
{
if (Error != null)
{
string tag, message;
XmppError.Parse(XmppIQ.Parse(stream), out tag, out message);
Error(this, new XmppErrorEventArgs(XmppErrorType.AuthUserNotAuthorized, tag, message));
}
return;
}
sendStream(mech.GetChallengeResponse(xStream.Text));
}
else
{
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.AuthModeNotSupported));
}
return;
}
stream = recvStream();
if (stream.Contains("<failure"))
{
if (Error != null)
{
string tag, message;
XmppError.Parse(XmppIQ.Parse(stream), out tag, out message);
Error(this, new XmppErrorEventArgs(XmppErrorType.AuthUserNotAuthorized, tag, message));
}
return;
}
// ==========================================================================
// === BIND RESOURCE ========================================================
stream = doRequestFeatures();
SendIq(Jid, null, XmppIqType.Set, "<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"><resource>" + UserResource + "</resource></bind>");
stream = recvStream();
xStream = new XmppIQ(stream);
XmppIQ xJid = xStream.FindDescendant("jid", "urn:ietf:params:xml:ns:xmpp-bind");
if (xJid != null)
{
Jid = new XmppJid(xJid.Text);
}
// ==========================================================================
// === START SESSION ========================================================
SendIq(Jid, null, XmppIqType.Set, "<session xmlns=\"urn:ietf:params:xml:ns:xmpp-session\"/>");
stream = recvStream();
// ==========================================================================
// === OK: AUTHENTICATED IN JABBER NETWORK, You rocks! ======================
//tcpClient.SetReadTimeout(0);
doChangeState(XmppEngineState.Open);
if (UserConnected != null)
{
UserConnected(this, new XmppEventArgs(Jid.Value));
}
}
private string recvStream()
{
if (tcpClient == null)
{
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.ClientNotConnected, string.Empty, string.Empty));
}
return(string.Empty);
}
int iteration = 0;
StringBuilder buf = new StringBuilder();
while (true)
{
string internalBuf = tcpClient.ReadStream();
if (string.IsNullOrWhiteSpace(internalBuf))
{
break;
}
if (internalBuf.Contains("<stream:error"))
{
if (RecvStreamCallback != null)
{
RecvStreamCallback(this, new XmppEventArgs(buf.Append(internalBuf).ToString()));
}
if (Error != null)
{
string tag, message;
XmppError.Parse(XmppIQ.Parse(internalBuf), out tag, out message);
Error(this, new XmppErrorEventArgs(XmppErrorType.XmppStreamError, tag, message));
}
Disconnect();
break;
}
else if (internalBuf.Contains("</stream:stream>"))
{
if (RecvStreamCallback != null)
{
RecvStreamCallback(this, new XmppEventArgs(buf.Append(internalBuf).ToString()));
}
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.ConnectionClosedByServer, string.Empty, string.Empty));
}
Disconnect();
break;
}
buf.Append(internalBuf);
if (state == XmppEngineState.Open)
{
if (XmppStream.IsValid(buf.ToString()))
{
break;
}
}
else
{
break;
}
iteration++;
if (iteration > 100)
{
if (Error != null)
{
Error(this, new XmppErrorEventArgs(XmppErrorType.RecvTooManyInvalidStream, string.Empty, ""));
}
Disconnect();
return(string.Empty);
}
}
if (RecvStreamCallback != null)
{
RecvStreamCallback(this, new XmppEventArgs(buf.ToString()));
}
// flush string buffer
string stringBuffer = buf.ToString();
buf.EnsureCapacity(0);
// it's ok, return a valid stream
return(stringBuffer);
}
private void doParseStream(string stream)
{
XmppIQ xStream;
try {
xStream = XmppIQ.Parse(stream);
} catch (Exception) {
//MessageBox.Show("Invalid stream :(\n\n" + stream);
return;
}
switch (xStream.Name)
{
#region PRESENCE
case "presence": {
XmppPresence presence = new XmppPresence();
string type = xStream.GetAttribute("type");
presence.From = new XmppJid(xStream.GetAttribute("from"));
presence.To = new XmppJid(xStream.GetAttribute("to"));
// # type == ""
if (string.IsNullOrEmpty(type))
{
XmppIQ xStatus = xStream.FindDescendant("status");
if (xStatus != null)
{
presence.MessageStatus = xStatus.Text;
}
XmppIQ xShow = xStream.FindDescendant("show");
presence.Status = xShow != null?XmppIq.StrToPresence(xShow.Text) : XmppPresenceStatus.Online;
XmppIQ xCard = xStream.FindDescendant("x", "vcard-temp:x:update");
if (xCard != null)
{
XmppIQ xPhoto = xCard.FindDescendant("photo", "vcard-temp:x:update");
if (xPhoto != null)
{
presence.PhotoHash = xPhoto.Text;
}
}
if (Presence != null)
{
Presence(this, new XmppPresenceEventArgs(presence));
}
}
// # type == "unavailable"
else if (type == "unavailable")
{
presence.Status = XmppPresenceStatus.Unavailable;
if (Presence != null)
{
Presence(this, new XmppPresenceEventArgs(presence));
}
}
// # type == "probe" // probe request from server
else if (type == "probe")
{
SetPresence(statePresence, string.Empty, null);
}
// # type == "subscribe" // new subscription request
else if (type == "subscribe")
{
if (SubscribeRequest != null)
{
SubscribeRequest(this, new XmppSubscribeRequestEventArgs(presence.From));
}
}
// # type == "error" // presence stanza error
else if (type == "error")
{
// @@@
}
}
break;
#endregion
#region MESSAGE
case "message": {
XmppMessage message = new XmppMessage();
message.Type = xStream.GetAttribute("type");
message.From = new XmppJid(xStream.GetAttribute("from"));
message.To = new XmppJid(xStream.GetAttribute("to"));
Int32.TryParse(xStream.GetAttribute("id"), out message.ID);
if (message.Type != "error")
{
// # user composing new message
if (xStream.FindDescendant("composing", "http://jabber.org/protocol/chatstates") != null)
{
if (ChatNotify != null)
{
ChatNotify(this, new XmppChatNotifyEventArgs(message.From, string.Empty, XmppChatStatus.NowComposing));
}
}
// # user stop composing
else if (xStream.FindDescendant("paused", "http://jabber.org/protocol/chatstates") != null)
{
if (ChatNotify != null)
{
ChatNotify(this, new XmppChatNotifyEventArgs(message.From, string.Empty, XmppChatStatus.StopComposing));
}
}
// # user is inactive
else if (xStream.FindDescendant("inactive", "http://jabber.org/protocol/chatstates") != null)
{
if (ChatNotify != null)
{
ChatNotify(this, new XmppChatNotifyEventArgs(message.From, string.Empty, XmppChatStatus.Inactive));
}
}
// # user has left conversation
else if (xStream.FindDescendant("gone", "http://jabber.org/protocol/chatstates") != null)
{
if (ChatNotify != null)
{
ChatNotify(this, new XmppChatNotifyEventArgs(message.From, string.Empty, XmppChatStatus.Gone));
}
}
// # user is active ;)
else if (xStream.FindDescendant("active", "http://jabber.org/protocol/chatstates") != null)
{
if (ChatNotify != null)
{
ChatNotify(this, new XmppChatNotifyEventArgs(message.From, string.Empty, XmppChatStatus.Active));
}
}
// # check for new message
XmppIQ xBody = xStream.FindDescendant("body");
if (xBody != null)
{
message.Body = xBody.Text;
XmppIQ xThread = xStream.FindDescendant("thread");
if (xThread != null)
{
message.Thread = xThread.Text;
}
XmppIQ xSubject = xStream.FindDescendant("subject");
if (xSubject != null)
{
message.Subject = xSubject.Text;
}
if (Message != null)
{
Message(this, new XmppMessageEventArgs(message));
}
}
}
}
break;
#endregion
#region IQ
case "iq": {
XmppIQ xQuery = null;
string type = xStream.GetAttribute("type");
// Roster
xQuery = xStream.FindDescendant("query", "jabber:iq:roster");
if (xQuery != null)
{
List <XmppRosterItem> roster = new List <XmppRosterItem>();
foreach (XmppIQ xItem in xQuery.Children())
{
if (xItem.Name != "item")
{
continue;
}
string jid = xItem.GetAttribute("jid");
string sub = xItem.GetAttribute("subscription");
string ask = xItem.GetAttribute("ask");
string name = xItem.GetAttribute("name");
string group = xItem.GetAttribute("group");
roster.Add(new XmppRosterItem(jid, sub, name, group, ask));
}
if (Roster != null)
{
Roster(this, new XmppRosterEventArgs(roster, XmppIq.StrToType(type)));
}
}
// Disco
xQuery = xStream.FindDescendant("query", "http://jabber.org/protocol/disco#info");
if (xQuery != null)
{
if (type == "get")
{
XmppJid from = new XmppJid(xStream.GetAttribute("from"));
string id = xStream.GetAttribute("id");
sendStream(new XmppIq().ToStream(Jid, from, XmppIqType.Result, id, Disco.ToStreamResult())); // @@@@@ ottimizza SendIq(...)
//SendIq(from, XmppIqType.Result, Disco.ToStreamResult());// @@@@@ ottimizza SendIq(...)
}
}
// vCard
xQuery = xStream.FindDescendant("vCard", "vcard-temp");
if (xQuery != null)
{
if (type == "result")
{
XmppJid from = new XmppJid(xStream.GetAttribute("from"));
XmppVCard vCard = new XmppVCard(from, xQuery);
if (VCard != null)
{
VCard(this, new XmppVCartEventArgs(vCard));
}
}
}
// Ping
xQuery = xStream.FindDescendant("ping", "urn:xmpp:ping");
if (xQuery != null)
{
if (type == "get")
{
XmppJid from = new XmppJid(xStream.GetAttribute("from"));
string id = xStream.GetAttribute("id");
sendStream(new XmppIq().ToStream(Jid, from, XmppIqType.Result, id, string.Empty)); // @@@@@ ottimizza SendIq(...)
}
}
}
break;
#endregion
}
Signal(xStream);
}