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XMPP: ability to dynamically join chat rooms (#752) 

* join a MUC if we're already connected to server and refactor error handling

* ability to dynamically join a MUC when provided as msg.topic
This commit is contained in:
Andreas Martens 2021-02-02 09:14:11 +00:00 committed by GitHub
parent 77fac03319
commit 886158485b
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1 changed files with 26 additions and 9 deletions
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35
social/xmpp/92-xmpp.js
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@ -50,6 +50,8 @@ module.exports = function(RED) {
this.connected = false;
// store the nodes that have us as config so we know when to tear it all down.
this.users = {};
// Store the chatrooms (MUC) that we've joined (sent "presence" XML to) already
this.MUCs = {};
// helper variable, because "this" changes definition inside a callback
var that = this;
@ -216,14 +218,23 @@ module.exports = function(RED) {
// if we want to support passwords, we need to add that as a child of the x element
// (third argument to the x/muc/children )
// We also turn off chat history (maxstanzas 0) because that's not what this node is about.
var stanza = xml('presence',
{"to": name},
xml("x",'http://jabber.org/protocol/muc'),
{ maxstanzas:0, seconds:1 }
);
node.serverConfig.used(node);
xmpp.send(stanza);
// Yes, there's a race condition, but it's not a huge problem to send two messages
// so we don't care.
if (name in node.serverConfig.MUCs) {
if (RED.settings.verbose || LOGITALL) {
node.log("already joined MUC "+name);
}
}
else {
var stanza = xml('presence',
{"to": name},
xml("x",'http://jabber.org/protocol/muc'),
{ maxstanzas:0, seconds:1 }
);
node.serverConfig.used(node);
node.serverConfig.MUCs[name] = "joined";
xmpp.send(stanza);
}
}
// separated out since we want the same functionality from both in and out nodes
@ -579,7 +590,13 @@ module.exports = function(RED) {
var to = node.to || msg.topic || "";
if (to !== "") {
var message;
var type = node.join? "groupchat":"chat";
var type = "chat";
if (node.join) {
// we want to connect to groupchat / chatroom / MUC
type = "groupchat";
// joinMUC will do nothing if we're already joined
joinMUC(node, xmpp, to+'/'+node.nick);
}
if (node.sendAll) {
message = xml(
"message",