/// <summary>
//// Build a XmppXElement from a Xml string.
/// </summary>
/// <param name="xml">The Xml string.</param>
/// <param name="removeWhitespace">if set to <c>true</c> whitespaces will be removed on parsing.</param>
/// <returns></returns>
public static XmppXElement LoadXml(string xml, bool removeWhitespace)
{
XmppXElement stanza = null;
var sp = new StreamParser();
sp.OnStreamStart += (el) => stanza = el;
sp.OnStreamElement += (el) => stanza.Add(el);
sp.OnStreamError += (ex) => { throw ex; };
var bytes = System.Text.Encoding.UTF8.GetBytes(xml);
sp.Write(bytes, 0, bytes.Length);
return(stanza);
}
internal XmppXElement DoAddTag(XNamespace ns, string tagname, string content, bool addFirst)
{
var newChild = new XmppXElement(ns, tagname);
if (addFirst)
{
AddFirst(newChild);
}
else
{
Add(newChild);
}
if (content != null)
{
newChild.Value = content;
}
return(newChild);
}
/// <summary>
/// Disconnect VOIP/Video/Audio call.
/// </summary>
/// <param name="to">recipient jid</param>
public void SendSessionTerminate(string to)
{
Matrix.Xmpp.Jingle.Jingle jIq = new Matrix.Xmpp.Jingle.Jingle();
jIq.Action = Matrix.Xmpp.Jingle.Action.SessionTerminate;
jIq.GenerateSid();
string defaultNs = "urn:xmpp:jingle:1";
Matrix.Xml.XmppXElement eX = new Matrix.Xml.XmppXElement(defaultNs, "reason");
eX.Add(new Matrix.Xml.XmppXElement(defaultNs, "success"));
jIq.Add(eX);
Iq denyIq = new Iq();
denyIq.To = to;
denyIq.From = this._jid;
denyIq.Type = Matrix.Xmpp.IqType.Set;
denyIq.Add(jIq);
xmppClient.Send(denyIq);
Log.Info(">session-terminate");
}
public void SendSessionTerminate(string to, string sid)
{
Matrix.Xmpp.Jingle.Jingle jIq = new Matrix.Xmpp.Jingle.Jingle();
jIq.Action = Matrix.Xmpp.Jingle.Action.SessionTerminate;
jIq.Sid = sid;
string defaultNs = "urn:xmpp:jingle:1";
Matrix.Xml.XmppXElement eX = new Matrix.Xml.XmppXElement(defaultNs, "reason");
eX.Add(new Matrix.Xml.XmppXElement(defaultNs, "success"));
jIq.Add(eX);
Iq denyIq = new Iq();
denyIq.To = to;
denyIq.From = this.jid;
denyIq.Type = Matrix.Xmpp.IqType.Set;
denyIq.Add(jIq);
Console.Write(denyIq.ToString());
xmppClient.Send(denyIq);
}
/// <summary>
/// Cast a XmppXElement to the given type.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="xmppXElement"></param>
/// <returns></returns>
public static T Cast <T>(this XmppXElement xmppXElement) where T : XmppXElement
{
return((T)xmppXElement);
}
/// <summary>
/// Check if a XmppXElement is of a given type.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="xmppXElement"></param>
/// <returns></returns>
public static bool OfType <T>(this XmppXElement xmppXElement) where T : XmppXElement
{
return(xmppXElement is T);
}
/// <summary>
/// Validates if a XmppXElement matches the given prerdicate
/// </summary>
/// <param name="xmppXElement"></param>
/// <param name="predicate"></param>
/// <returns></returns>
public static bool IsMatch(this XmppXElement xmppXElement, Func <XmppXElement, bool> predicate)
{
return(predicate(xmppXElement));
}
public static bool OfTypeAny <T1, T2>(this XmppXElement xmppXElement)
where T1 : XmppXElement
where T2 : XmppXElement
{
return(xmppXElement.OfType <T1>() || xmppXElement.OfType <T2>());
}
public static JingleSdp FromSdp(string sdp)
{
JingleSdp jingle = new JingleSdp();
string[] s = sdp.Split(new string[] { "\nm=" }, StringSplitOptions.None);
string sdpSession = s [0];
jingle.Session = new Matrix.Xml.XmppXElement("urn:xmpp:jingle:apps:sdp", "session");
jingle.Session.Text(sdpSession);
System.Text.RegularExpressions.Regex regexUfrag = new System.Text.RegularExpressions.Regex("^a=ice-ufrag:(.+)");
System.Text.RegularExpressions.Regex regexPwd = new System.Text.RegularExpressions.Regex("^a=ice-pwd:(.+)");
System.Text.RegularExpressions.Regex regexFingerprint = new System.Text.RegularExpressions.Regex("^a=fingerprint:(.+)");
System.Text.RegularExpressions.Regex regexMedia = new System.Text.RegularExpressions.Regex("^(\\w+)\\b");
System.Text.RegularExpressions.MatchCollection matches;
for (int i = 1; i < s.Length; i++)
{
string[] sdpLines = s [i].Split(new string[] { "\r\n" }, StringSplitOptions.None);
string sdpContent = "";
string iceUfrag = "";
string icePwd = "";
string fingerprint = "";
string mediaName = "";
matches = regexMedia.Matches(sdpLines [0]);
sdpLines [0] = "m=" + sdpLines [0];
mediaName = matches [0].Groups [1].Value;
foreach (string sdpLine in sdpLines)
{
matches = regexUfrag.Matches(sdpLine);
if (matches.Count > 0)
{
iceUfrag = matches [0].Groups[1].Value;
continue;
}
matches = regexPwd.Matches(sdpLine);
if (matches.Count > 0)
{
icePwd = matches [0].Groups[1].Value;
continue;
}
matches = regexFingerprint.Matches(sdpLine);
if (matches.Count > 0)
{
fingerprint = matches[0].Groups[1].Value;
continue;
}
sdpContent += sdpLine + "\n";
}
ContentSdp c = new ContentSdp();
c.Creator = "initiator";
c.Name = mediaName;
c.Description = new Matrix.Xml.XmppXElement("urn:xmpp:jingle:apps:sdp", "description");
c.Description.Text(sdpContent);
Matrix.Xmpp.Jingle.Transports.TransportIceUdp transport;
transport = new Matrix.Xmpp.Jingle.Transports.TransportIceUdp();
transport.Pwd = icePwd;
transport.Ufrag = iceUfrag;
Matrix.Xml.XmppXElement xmlFingerprint = new Matrix.Xml.XmppXElement("urn:xmpp:tmp:jingle:apps:dtls:0", "fingerprint", new System.Xml.Linq.XAttribute("hash", "sha-256"));
xmlFingerprint.Text(fingerprint);
transport.Add(xmlFingerprint);
c.TransportIceUdp = transport;
// set ufrag
// set pwd
// add fingerprint
//jingle.Add(c);
jingle.Add(c);
}
Log.Verbose(jingle.ToString());
return(jingle);
}
