/// <summary>
/// An IQ Element is received. Now check if its one we are looking for and
/// raise the event in this case.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void OnIq(object sender, IQEventArgs e)
{
// the tracker handles on iq responses, which are either result or error
if (e.IQ.Type != IqType.error && e.IQ.Type != IqType.result)
return;
string id = e.IQ.Id;
if(id == null)
return;
IqHandler td;
lock (m_grabbing)
{
td = (IqHandler) m_grabbing[id];
if (td == null)
{
return;
}
m_grabbing.Remove(id);
}
td(this, e);
}
void FindGroupChatsDiscoMucs(IQEventArgs e, AutoResetEvent reset, List<Jid> list)
{
if (e.IQ.Error == null) {
var items = (DiscoItems)e.IQ.Query;
foreach (var item in items.GetDiscoItems()) {
// no locking required, these callbacks are sequential
list.Add(item.Jid);
}
}
e.Handled = true;
reset.Set();
}
void FindGroupChatsDiscoItems(IQEventArgs e, AutoResetEvent reset)
{
if (e.IQ.Error == null) {
lock (this) {
ServerDiscoItems = (DiscoItems)e.IQ.Query;
}
}
e.Handled = true;
reset.Set();
}
void FindGroupChatsChatInfo(IQEventArgs e, AutoResetEvent reset, List<GroupChatModel> list)
{
if (e.IQ.Error == null) {
var items = (DiscoInfo)e.IQ.Query;
lock (this) {
CachedMucInfo[e.IQ.From] = items;
}
FindGroupChatsChatInfoParse(e.IQ.From, items, list);
}
e.Handled = true;
reset.Set();
}
private void OnIq(object sender, IQEventArgs e)
{
// DiscoInfo
if (m_AutoAnswerDiscoInfoRequests && e.IQ.Query is DiscoInfo && e.IQ.Type == IqType.get) {
e.Handled = true;
ProcessDiscoInfo(e.IQ);
}
}
private void SessionResult(object sender, IQEventArgs e)
{
if (e.IQ.Type == IqType.result)
{
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.SessionStarted);
m_XmppClient.RaiseOnLogin();
e.Handled = true;
}
else if (e.IQ.Type == IqType.error)
{
}
}
void OnRegistrationFieldsResult(IQEventArgs e, Element data)
{
if (e.IQ.Type != IqType.error)
{
if (e.IQ.Query is Register)
{
RegisterEventArgs args = new RegisterEventArgs(e.IQ.Query as Register);
if (OnRegisterInformation != null)
OnRegisterInformation(this, args);
DoChangeXmppConnectionState(XmppConnectionState.Registering);
IQ regIq = new IQ(IqType.set);
regIq.GenerateId();
regIq.To = new Jid(base.Server);
//RegisterIq regIq = new RegisterIq(IqType.set, new Jid(base.Server));
if (args.Auto)
{
Register reg = new Register(this.m_Username, this.m_Password);
regIq.Query = reg;
}
else
{
regIq.Query = args.Register;
}
IqGrabber.SendIq(regIq,
(object sender, IQEventArgs ev) => OnRegisterResult(ev, data)
);
e.Handled = true;
}
}
else
{
if (OnRegisterError != null)
OnRegisterError(this, e.IQ);
e.Handled = true; // not really
}
}
public override void StreamParserOnStreamElement(object sender, ElementEventArgs eventArgs)
{
base.StreamParserOnStreamElement(sender, eventArgs);
var e = eventArgs.Element;
if (e is Handshake)
{
m_Authenticated = true;
if (OnLogin != null)
{
OnLogin(this);
}
if (KeepAlive)
{
CreateKeepAliveTimer();
}
eventArgs.Handled = true;
}
else if (e is Route)
{
if (OnRoute != null)
{
OnRoute(this, e as Route);
}
eventArgs.Handled = true;
}
else if (e is protocol.Error)
{
protocol.Error streamErr = e as protocol.Error;
switch (streamErr.Condition)
{
// Auth errors are important for the users here, so throw catch auth errors
// in a separate event here
case agsXMPP.protocol.StreamErrorCondition.NotAuthorized:
// Authentication Error
if (OnAuthError != null)
{
OnAuthError(this, e as Element);
}
break;
default:
if (OnStreamError != null)
{
OnStreamError(this, e as Element);
}
break;
}
eventArgs.Handled = true;
}
else if (e is Message)
{
if (OnMessage != null)
{
OnMessage(this, e as Message);
eventArgs.Handled = true;
}
}
else if (e is Presence)
{
if (OnPresence != null)
{
OnPresence(this, e as Presence);
eventArgs.Handled = true;
}
}
else if (e is IQ)
{
if (OnIq != null)
{
var iqEventArgs = new protocol.client.IQEventArgs((IQ)e);
OnIq(this, iqEventArgs);
if (iqEventArgs.Handled)
{
eventArgs.Handled = true;
}
}
}
}
private void OnGetAuthInfo(object sender, IQEventArgs e)
{
// We get smth like this and should add password (digest) and ressource
// Recv:<iq type="result" id="MX_7"><query xmlns="jabber:iq:auth"><username>gnauck</username><password/><digest/><resource/></query></iq>
// Send:<iq type='set' id='mx_login'>
// <query xmlns='jabber:iq:auth'><username>gnauck</username><digest>27c05d464e3f908db3b2ca1729674bfddb28daf2</digest><resource>Office</resource></query>
// </iq>
// Recv:<iq id="mx_login" type="result"/>
e.Handled = true;
var iq = e.IQ;
if (iq.Error != null) {
FireOnAuthError(iq);
return;
}
iq.GenerateId();
iq.SwitchDirection();
iq.Type = IqType.set;
Auth auth = (Auth) iq.Query;
auth.Resource = this.m_Resource;
auth.SetAuth(this.m_Username, this.m_Password, this.StreamId);
IqGrabber.SendIq(iq, OnAuthenticate);
}
private void OnRegisterResult(IQEventArgs e, Element data)
{
/*
Example 6. Host Informs Entity of Failed Registration (Username Conflict)
<iq type='error' id='reg2'>
<query xmlns='jabber:iq:register'>
<username>bill</username>
<password>m1cro$oft</password>
<email>[email protected]</email>
</query>
<error code='409' type='cancel'>
<conflict xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
</error>
</iq>
Example 7. Host Informs Entity of Failed Registration (Some Required Information Not Provided)
<iq type='error' id='reg2'>
<query xmlns='jabber:iq:register'>
<username>bill</username>
<password>Calliope</password>
</query>
<error code='406' type='modify'>
<not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
</error>
</iq>
*/
if (e.IQ.Type == IqType.result)
{
DoChangeXmppConnectionState(XmppConnectionState.Registered);
if (OnRegistered != null)
OnRegistered(this);
if (this.StreamVersion != null && this.StreamVersion.StartsWith("1."))
{
// init sasl login
InitSaslHandler();
var eventArgs = new ElementEventArgs(data);
m_SaslHandler.OnStreamElement(this, eventArgs);
if (eventArgs.Handled) {
e.Handled = true;
}
}
else
{
// old jabber style login
RequestLoginInfo();
e.Handled = true;
}
}
else if (e.IQ.Type == IqType.error)
{
if (OnRegisterError != null)
OnRegisterError(this, e.IQ);
}
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="iq"></param>
/// <param name="data">contains the new password</param>
private void OnChangePasswordResult(IQEventArgs e, string newPass)
{
if (e.IQ.Type == IqType.result)
{
if(OnPasswordChanged!=null)
OnPasswordChanged(this);
// Set the new password in the Password property on sucess
m_Password = newPass;
e.Handled = true;
}
else if (e.IQ.Type == IqType.error)
{
/*
The server or service SHOULD NOT return the original XML sent in
IQ error stanzas related to password changes.
Example 12. Host Informs Client of Failed Password Change (Bad Request)
<iq type='error' from='somehost' to='user@host/resource' id='change1'>
<error code='400' type='modify'>
<conflict xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
</error>
</iq>
Example 13. Host Informs Client of Failed Password Change (Not Authorized)
<iq type='error' from='somehost' to='user@host/resource' id='change1'>
<error code='401' type='cancel'>
<not-authorized xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
</error>
</iq>
Example 14. Server Informs Client of Failed Password Change (Not Allowed)
<iq type='error' from='somehost' to='user@host/resource' id='change1'>
<error code='405' type='cancel'>
<not-allowed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
</error>
</iq>
*/
if(OnRegisterError!=null)
OnRegisterError(this, e.IQ);
}
}
private void OnAuthenticate(object sender, IQEventArgs e)
{
if (e.IQ.Type == IqType.result)
{
m_Authenticated = true;
RaiseOnLogin();
e.Handled = true;
}
else if(e.IQ.Type == IqType.error)
{
/*
* <iq xmlns="jabber:client" id="agsXMPP_2" type="error">
* <query xmlns="jabber:iq:auth">
* <username>test</username>
* <digest sid="842070264">dc7e472abb95b65c2b75129ade607170be478b16</digest>
* <resource>MiniClient</resource>
* </query>
* <error code="401">Unauthorized</error>
* </iq>
*
*/
if (OnAuthError!=null)
OnAuthError(this, e.IQ);
}
}
private void OnAgents(object sender, IQEventArgs e)
{
e.Handled = true;
if (OnAgentStart != null)
OnAgentStart(this);
Agents agents = e.IQ.Query as Agents;
if (agents != null)
{
foreach (Agent a in agents.GetAgents())
{
if (OnAgentItem != null)
OnAgentItem(this, a);
}
}
if (OnAgentEnd != null)
OnAgentEnd(this);
e.Handled = true;
}
void FindGroupChatsItemDiscoInfo(IQEventArgs e, AutoResetEvent reset, List<Jid> mucList, Jid jid)
{
if (e.IQ.Error == null) {
var discoInfo = (DiscoInfo)e.IQ.Query;
if (discoInfo.HasFeature(agsXMPP.Uri.MUC)) {
// no locking required, these callbacks are sequential
mucList.Add(jid);
}
}
e.Handled = true;
reset.Set();
}
public override void StreamParserOnStreamElement(object sender, ElementEventArgs eventArgs)
{
base.StreamParserOnStreamElement(sender, eventArgs);
bool handled = false;
var e = eventArgs.Element;
if (e is IQ)
{
IQ iq = e as IQ;
if (OnIq != null) {
var ev = new IQEventArgs(iq);
OnIq(this, ev);
handled = handled || ev.Handled;
}
if ( iq != null && iq.Query != null)
{
// Roster
if (iq.Query is Roster) {
OnRosterIQ(iq);
handled = true;
}
}
}
else if (e is Message)
{
if (OnMessage != null) {
OnMessage(this, e as Message);
handled = true;
}
}
else if (e is Presence)
{
if (OnPresence != null) {
OnPresence(this, e as Presence);
handled = true;
}
}
else if (e is protocol.stream.Features)
{
// Stream Features
// StartTLS stuff
protocol.stream.Features f = e as protocol.stream.Features;
#if SSL || BCCRYPTO || CF_2
if (f.SupportsStartTls && m_UseStartTLS)
{
DoChangeXmppConnectionState(XmppConnectionState.Securing);
Send(new StartTls());
}
// connection is not encrypted, doesn't support starttls but tls is forced
else if (!ClientSocket.IsEncrypted && !f.SupportsStartTls && ForceStartTls) {
FireOnError(this, new StartTlsException("StartTls is not supported on this server"));
Close();
}
else
#endif
if (m_UseCompression &&
f.SupportsCompression &&
f.Compression.SupportsMethod(CompressionMethod.zlib))
{
// Check for Stream Compression
// we support only ZLIB because its a free algorithm without patents
// yes ePatents suck
DoChangeXmppConnectionState(XmppConnectionState.StartCompression);
Send(new Compress(CompressionMethod.zlib));
}
else if (m_RegisterAccount)
{
// Do registration after TLS when possible
if (f.SupportsRegistration)
GetRegistrationFields(e);
else
{
// registration is not enabled on this server
FireOnError(this, new RegisterException("Registration is not allowed on this server"));
Close();
// Close the stream
}
}
ServerCapabilities = f.Capabilities;
}
#if SSL || BCCRYPTO || CF_2
else if (e is Proceed)
{
StreamParser.Reset();
if (ClientSocket.StartTls())
{
SendStreamHeader(false);
DoChangeXmppConnectionState(XmppConnectionState.Authenticating);
handled = true;
}
}
#endif
else if (e is Compressed)
{
//DoChangeXmppConnectionState(XmppConnectionState.StartCompression);
StreamParser.Reset();
ClientSocket.StartCompression();
// Start new Stream Header compressed.
SendStreamHeader(false);
DoChangeXmppConnectionState(XmppConnectionState.Compressed);
handled = true;
}
else if (e is agsXMPP.protocol.Error)
{
if (OnStreamError != null) {
OnStreamError(this, e as Element);
handled = true;
}
}
if (handled) {
eventArgs.Handled = true;
}
}
void OnDiscoInfo(IQEventArgs e, string hash)
{
if (e.IQ.Error != null) {
#if LOG4NET
_Logger.DebugFormat("An error happened during service discovery: {0}", e.IQ);
#endif
// clear item from cache so the request is done again some time
DiscoCache.Remove(hash);
e.Handled = true;
return;
}
if (e.IQ.Type != IqType.result) {
#if LOG4NET
_Logger.Debug("OnDiscoInfo(): iq is not a result");
#endif
return;
}
if (!(e.IQ.Query is DiscoInfo)) {
#if LOG4NET
_Logger.Debug("OnDiscoInfo(): query is not a DiscoInfo");
#endif
return;
}
var info = (DiscoInfo)e.IQ.Query;
DiscoCache[hash] = info;
e.Handled = true;
if (String.IsNullOrEmpty(e.IQ.From.User)) {
// server capabilities
var builder = CreateMessageBuilder();
builder.AppendText("The Server supports the following features: ");
Session.AddMessageToChat(NetworkChat, builder.ToMessage());
foreach (var feature in info.GetFeatures()) {
builder = CreateMessageBuilder();
builder.AppendText(feature.Var);
Session.AddMessageToChat(NetworkChat, builder.ToMessage());
}
} else {
AddCapabilityToResource(e.IQ.From, info);
}
}
private void BindResult(object sender, IQEventArgs e)
{
var iq = e.IQ;
// Once the server has generated a resource identifier for the client or accepted the resource
// identifier provided by the client, it MUST return an IQ stanza of type "result"
// to the client, which MUST include a <jid/> child element that specifies the full JID for
// the connected resource as determined by the server:
// Server informs client of successful resource binding:
// <iq type='result' id='bind_2'>
// <bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
// <jid>[email protected]/someresource</jid>
// </bind>
// </iq>
if (iq.Type == IqType.result)
{
// i assume the server could assign another resource here to the client
// so grep the resource assigned by the server now
Element bind = iq.SelectSingleElement(typeof(Bind));
if (bind != null)
{
Jid jid = ((Bind)bind).Jid;
m_XmppClient.Resource = jid.Resource;
m_XmppClient.Username = jid.User;
}
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.Binded);
m_XmppClient.m_Binded = true;
m_XmppClient.DoRaiseEventBinded();
// success, so start the session now
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.StartSession);
SessionIq sIq = new SessionIq(IqType.set, new Jid(m_XmppClient.Server));
m_XmppClient.IqGrabber.SendIq(sIq, SessionResult);
e.Handled = true;
}
else if (iq.Type == IqType.error)
{
// TODO, handle bind errors
m_XmppClient.DoRaiseEventBindError(iq);
}
}
public override void StreamParserOnStreamElement(object sender, ElementEventArgs eventArgs)
{
base.StreamParserOnStreamElement (sender, eventArgs);
var e = eventArgs.Element;
if (e is Handshake)
{
m_Authenticated = true;
if (OnLogin != null)
OnLogin(this);
if (KeepAlive)
CreateKeepAliveTimer();
eventArgs.Handled = true;
}
else if (e is Route)
{
if (OnRoute != null)
OnRoute(this, e as Route);
eventArgs.Handled = true;
}
else if (e is protocol.Error)
{
protocol.Error streamErr = e as protocol.Error;
switch (streamErr.Condition)
{
// Auth errors are important for the users here, so throw catch auth errors
// in a separate event here
case agsXMPP.protocol.StreamErrorCondition.NotAuthorized:
// Authentication Error
if (OnAuthError != null)
OnAuthError(this, e as Element);
break;
default:
if (OnStreamError != null)
OnStreamError(this, e as Element);
break;
}
eventArgs.Handled = true;
}
else if (e is Message)
{
if (OnMessage != null) {
OnMessage(this, e as Message);
eventArgs.Handled = true;
}
}
else if (e is Presence)
{
if (OnPresence != null) {
OnPresence(this, e as Presence);
eventArgs.Handled = true;
}
}
else if (e is IQ)
{
if (OnIq != null) {
var iqEventArgs = new protocol.client.IQEventArgs((IQ)e);
OnIq(this, iqEventArgs);
if (iqEventArgs.Handled) {
eventArgs.Handled = true;
}
}
}
}
void OnIq(object sender, IQEventArgs e)
{
Trace.Call(sender, e);
// not as pretty as the previous implementation, but it works
var elem = e.IQ.SelectSingleElement("own-message");
if (elem is OwnMessageQuery) {
OnIQOwnMessage((OwnMessageQuery) elem);
e.Handled = true;
}
}
