1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
using Xmpp.Core;
namespace Xmpp.Bind {
private const string NS_URI = "urn:ietf:params:xml:ns:xmpp-bind";
/** The parties to a stream MUST consider resource binding as mandatory-to-negotiate. (RFC6120 7.3.1) */
public class Module : XmppStreamNegotiationModule {
public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "bind_module");
private string requested_resource;
public signal void bound_to_resource(XmppStream stream, string my_jid);
public Module(string requested_resource) {
this.requested_resource = requested_resource;
}
public void iq_response_stanza(XmppStream stream, Iq.Stanza iq) {
var flag = stream.get_flag(Flag.IDENTITY);
if (flag == null || flag.finished) return;
if (iq.type_ == Iq.Stanza.TYPE_RESULT) {
flag.my_jid = iq.stanza.get_subnode("jid", NS_URI, true).get_string_content();
flag.finished = true;
bound_to_resource(stream, flag.my_jid);
}
}
public void received_features_node(XmppStream stream) {
if (stream.is_setup_needed()) return;
var bind = stream.features.get_subnode("bind", NS_URI);
if (bind != null) {
var flag = new Flag();
StanzaNode bind_node = new StanzaNode.build("bind", NS_URI).add_self_xmlns();
bind_node.put_node(new StanzaNode.build("resource", NS_URI).put_node(new StanzaNode.text(requested_resource)));
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, new Iq.Stanza.set(bind_node), (stream, iq) => {
stream.get_module(Module.IDENTITY).iq_response_stanza(stream, iq);
});
stream.add_flag(flag);
}
}
public override void attach(XmppStream stream) {
Iq.Module.require(stream);
stream.received_features_node.connect(this.received_features_node);
}
public override void detach(XmppStream stream) {
stream.received_features_node.disconnect(this.received_features_node);
}
public static void require(XmppStream stream) {
if (stream.get_module(IDENTITY) == null) stream.add_module(new Module(""));
}
public override bool mandatory_outstanding(XmppStream stream) {
return !stream.has_flag(Flag.IDENTITY) || !stream.get_flag(Flag.IDENTITY).finished;
}
public override bool negotiation_active(XmppStream stream) {
return stream.has_flag(Flag.IDENTITY) && !stream.get_flag(Flag.IDENTITY).finished;
}
public override string get_ns() { return NS_URI; }
public override string get_id() { return IDENTITY.id; }
}
public class Flag : XmppStreamFlag {
public static FlagIdentity<Flag> IDENTITY = new FlagIdentity<Flag>(NS_URI, "bind");
public string? my_jid;
public bool finished = false;
public override string get_ns() { return NS_URI; }
public override string get_id() { return IDENTITY.id; }
}
}
|
