protected void StartPlaintextStream(CancellationToken canceltoken)
{
using (var stream = Connect(EndpointHost, EndpointPort, ProxyHost, ProxyPort))
{
using (var xml = new XmlStream(stream))
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
xml.Write(new XElement(NamespaceStartTLS + "starttls"));
xml.ReadStartElement(NamespaceStartTLS + "proceed");
xml.Stream.Logged = false;
using (var ssl = new SslStream(xml.Stream, true, (sender, cert, chain, errs) => true))
{
ssl.AuthenticateAsClient(EndpointHost);
using (var sslxml = new XmlStream(ssl))
{
StartTLSStream(sslxml, canceltoken);
}
}
}
}
}
}
protected void XMPPReader(XmlStream xml, CancellationToken canceltoken)
{
try
{
while (!canceltoken.IsCancellationRequested)
{
if (xml.ReadStartElement(true))
{
XElement el = xml.ReadElement(true);
if (!canceltoken.IsCancellationRequested)
{
if (el.Name == (NamespaceClient + "iq"))
{
EnqueueInfoQueryResponse(el);
}
else if (el.Name == (NamespaceClient + "message"))
{
EnqueueMessage(el);
}
}
}
}
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "XMPP Reader task caught exception {0}\n{1}", ex.Message, ex.ToString());
ReaderException = ex;
ReaderFaulted.Set();
}
}
protected void StartTLSStream(XmlStream xml, CancellationToken canceltoken)
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
xml.Write(
new XElement(NamespaceSASL + "auth",
new XAttribute("mechanism", AuthMechanism),
new XAttribute(NamespaceAuth + "service", "chromiumsync"),
new XAttribute(NamespaceAuth + "allow-generated-jid", "true"),
new XAttribute(NamespaceAuth + "client-uses-full-bind-result", "true"),
new XText(Convert.ToBase64String(Encoding.ASCII.GetBytes("\0" + LoginJID + "\0" + AuthCookie)))
)
);
xml.ReadStartElement(NamespaceSASL + "success");
xml.Stream.Logged = false;
StartXMPPStream(new XmlStream(xml.Stream), canceltoken);
}
}
protected void StartXMPPStream(XmlStream xml, CancellationToken canceltoken)
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
ReaderThread = new Thread(new ThreadStart(() => XMPPReader(xml, canceltoken)));
ReaderThread.Start();
BeginBind();
while (!canceltoken.IsCancellationRequested)
{
switch (WaitHandle.WaitAny(new WaitHandle[] { canceltoken.WaitHandle, ReaderFaulted, QueriesQueued, IsReadyForSubscriptions ? SubscriptionsQueued : QueriesQueued, ResponsesQueued, MessagesQueued }, 15000))
{
case 0:
break;
case 1:
throw new AggregateException(ReaderException);
case 2:
ProcessQueuedQueries(xml, canceltoken);
break;
case 3:
goto case 2;
case 4:
ProcessQueuedResponses(xml, canceltoken);
break;
case 5:
ProcessQueuedMessages(xml, canceltoken);
break;
case WaitHandle.WaitTimeout:
xml.Write(new XText(" "));
break;
}
}
throw new OperationCanceledException();
}
}
protected void XMPPReader(XmlStream xml, CancellationToken canceltoken)
{
try
{
while (!canceltoken.IsCancellationRequested)
{
if (xml.ReadStartElement(true))
{
XElement el = xml.ReadElement(true);
if (!canceltoken.IsCancellationRequested)
{
if (el.Name == (NamespaceClient + "iq"))
{
EnqueueInfoQueryResponse(el);
}
else if (el.Name == (NamespaceClient + "message"))
{
EnqueueMessage(el);
}
}
}
}
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "XMPP Reader task caught exception {0}\n{1}", ex.Message, ex.ToString());
ReaderException = ex;
ReaderFaulted.Set();
}
}
protected void StartXMPPStream(XmlStream xml, CancellationToken canceltoken)
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
ReaderThread = new Thread(new ThreadStart(() => XMPPReader(xml, canceltoken)));
ReaderThread.Start();
BeginBind();
while (!canceltoken.IsCancellationRequested)
{
switch (WaitHandle.WaitAny(new WaitHandle[] { canceltoken.WaitHandle, ReaderFaulted, QueriesQueued, IsReadyForSubscriptions ? SubscriptionsQueued : QueriesQueued, ResponsesQueued, MessagesQueued }, 15000))
{
case 0:
break;
case 1:
throw new AggregateException(ReaderException);
case 2:
ProcessQueuedQueries(xml, canceltoken);
break;
case 3:
goto case 2;
case 4:
ProcessQueuedResponses(xml, canceltoken);
break;
case 5:
ProcessQueuedMessages(xml, canceltoken);
break;
case WaitHandle.WaitTimeout:
xml.Write(new XText(" "));
break;
}
}
throw new OperationCanceledException();
}
}
protected void StartTLSStream(XmlStream xml, CancellationToken canceltoken)
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
xml.Write(
new XElement(NamespaceSASL + "auth",
new XAttribute("mechanism", AuthMechanism),
new XAttribute(NamespaceAuth + "service", "chromiumsync"),
new XAttribute(NamespaceAuth + "allow-generated-jid", "true"),
new XAttribute(NamespaceAuth + "client-uses-full-bind-result", "true"),
new XText(Convert.ToBase64String(Encoding.ASCII.GetBytes("\0" + LoginJID + "\0" + AuthCookie)))
)
);
xml.ReadStartElement(NamespaceSASL + "success");
xml.Stream.Logged = false;
StartXMPPStream(new XmlStream(xml.Stream), canceltoken);
}
}
protected void StartPlaintextStream(CancellationToken canceltoken)
{
using (var stream = Connect(EndpointHost, EndpointPort, ProxyHost, ProxyPort))
{
using (var xml = new XmlStream(stream))
{
using (var xmppstream = xml.WriteStart(new XElement(NamespaceStream + "stream", new XAttribute("to", Domain), new XAttribute(XNamespace.Xml + "lang", "en"), new XAttribute("version", "1.0"))))
{
xml.ReadStartElement(NamespaceStream + "stream");
xml.Expect((rdr) => rdr.GetAttribute("from") == Domain, (rdr) => String.Format("Expected domain {0}; got domain {1}", Domain, rdr.GetAttribute("from")));
var features = xml.ReadElement(NamespaceStream + "features");
xml.Write(new XElement(NamespaceStartTLS + "starttls"));
xml.ReadStartElement(NamespaceStartTLS + "proceed");
xml.Stream.Logged = false;
using (var ssl = new SslStream(xml.Stream, true, (sender, cert, chain, errs) => true))
{
ssl.AuthenticateAsClient(EndpointHost);
using (var sslxml = new XmlStream(ssl))
{
StartTLSStream(sslxml, canceltoken);
}
}
}
}
}
}
