jiti-meet/muc.js

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/* jshint -W117 */
/* a simple MUC connection plugin
* can only handle a single MUC room
*/
Strophe.addConnectionPlugin('emuc', {
connection: null,
roomjid: null,
myroomjid: null,
members: {},
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list_members: [], // so we can elect a new focus
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presMap: {},
preziMap: {},
joined: false,
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isOwner: false,
init: function (conn) {
this.connection = conn;
},
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initPresenceMap: function (myroomjid) {
this.presMap['to'] = myroomjid;
this.presMap['xns'] = 'http://jabber.org/protocol/muc';
},
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doJoin: function (jid, password) {
this.myroomjid = jid;
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this.initPresenceMap(this.myroomjid);
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if (!this.roomjid) {
this.roomjid = Strophe.getBareJidFromJid(jid);
// add handlers (just once)
this.connection.addHandler(this.onPresence.bind(this), null, 'presence', null, null, this.roomjid, {matchBare: true});
this.connection.addHandler(this.onPresenceUnavailable.bind(this), null, 'presence', 'unavailable', null, this.roomjid, {matchBare: true});
this.connection.addHandler(this.onPresenceError.bind(this), null, 'presence', 'error', null, this.roomjid, {matchBare: true});
this.connection.addHandler(this.onMessage.bind(this), null, 'message', null, null, this.roomjid, {matchBare: true});
}
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if (password !== undefined) {
this.presMap['password'] = password;
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}
this.sendPresence();
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},
onPresence: function (pres) {
var from = pres.getAttribute('from');
var type = pres.getAttribute('type');
if (type != null) {
return true;
}
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// Parse etherpad tag.
var etherpad = $(pres).find('>etherpad');
if (etherpad.length) {
$(document).trigger('etherpadadded.muc', [from, etherpad.text()]);
}
// Parse prezi tag.
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var presentation = $(pres).find('>prezi');
if (presentation.length)
{
var url = presentation.attr('url');
var current = presentation.find('>current').text();
console.log('presentation info received from', from, url);
if (this.preziMap[from] == null) {
this.preziMap[from] = url;
$(document).trigger('presentationadded.muc', [from, url, current]);
}
else {
$(document).trigger('gotoslide.muc', [from, url, current]);
}
}
else if (this.preziMap[from] != null) {
var url = this.preziMap[from];
delete this.preziMap[from];
$(document).trigger('presentationremoved.muc', [from, url]);
}
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if ($(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="201"]').length) {
// http://xmpp.org/extensions/xep-0045.html#createroom-instant
this.isOwner = true;
var create = $iq({type: 'set', to: this.roomjid})
.c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'})
.c('x', {xmlns: 'jabber:x:data', type: 'submit'});
this.connection.send(create); // fire away
}
var member = {};
member.show = $(pres).find('>show').text();
member.status = $(pres).find('>status').text();
var tmp = $(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>item');
member.affiliation = tmp.attr('affiliation');
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member.role = tmp.attr('role');
var nicktag = $(pres).find('>nick[xmlns="http://jabber.org/protocol/nick"]');
member.displayName = (nicktag.length > 0 ? nicktag.text() : null);
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if (from == this.myroomjid) {
if (member.affiliation == 'owner') this.isOwner = true;
if (!this.joined) {
this.joined = true;
$(document).trigger('joined.muc', [from, member]);
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this.list_members.push(from);
}
else
$(document).trigger('presence.muc', [from, member, pres]);
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} else if (this.members[from] === undefined) {
// new participant
this.members[from] = member;
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this.list_members.push(from);
$(document).trigger('entered.muc', [from, member, pres]);
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} else {
console.log('presence change from', from);
$(document).trigger('presence.muc', [from, member, pres]);
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}
return true;
},
onPresenceUnavailable: function (pres) {
var from = pres.getAttribute('from');
delete this.members[from];
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this.list_members.splice(this.list_members.indexOf(from), 1);
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$(document).trigger('left.muc', [from]);
return true;
},
onPresenceError: function (pres) {
var from = pres.getAttribute('from');
if ($(pres).find('>error[type="auth"]>not-authorized[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]').length) {
$(document).trigger('passwordrequired.muc', [from]);
} else {
console.warn('onPresError ', pres);
}
return true;
},
sendMessage: function (body, nickname) {
var msg = $msg({to: this.roomjid, type: 'groupchat'});
msg.c('body', body).up();
if (nickname) {
msg.c('nick', {xmlns: 'http://jabber.org/protocol/nick'}).t(nickname).up().up();
}
this.connection.send(msg);
},
onMessage: function (msg) {
var txt = $(msg).find('>body').text();
// TODO: <subject/>
// FIXME: this is a hack. but jingle on muc makes nickchanges hard
var from = msg.getAttribute('from');
var nick = $(msg).find('>nick[xmlns="http://jabber.org/protocol/nick"]').text() || Strophe.getResourceFromJid(from);
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if (txt) {
console.log('chat', nick, txt);
Chat.updateChatConversation(from, nick, txt);
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}
return true;
},
lockRoom: function (key) {
//http://xmpp.org/extensions/xep-0045.html#roomconfig
var ob = this;
this.connection.sendIQ($iq({to: this.roomjid, type: 'get'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'}),
function (res) {
if ($(res).find('>query>x[xmlns="jabber:x:data"]>field[var="muc#roomconfig_roomsecret"]').length) {
var formsubmit = $iq({to: ob.roomjid, type: 'set'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'});
formsubmit.c('x', {xmlns: 'jabber:x:data', type: 'submit'});
formsubmit.c('field', {'var': 'FORM_TYPE'}).c('value').t('http://jabber.org/protocol/muc#roomconfig').up().up();
formsubmit.c('field', {'var': 'muc#roomconfig_roomsecret'}).c('value').t(key).up().up();
// FIXME: is muc#roomconfig_passwordprotectedroom required?
this.connection.sendIQ(formsubmit,
function (res) {
console.log('set room password');
},
function (err) {
console.warn('setting password failed', err);
}
);
} else {
console.warn('room passwords not supported');
}
},
function (err) {
console.warn('setting password failed', err);
}
);
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},
sendPresence: function () {
var pres = $pres({to: this.presMap['to'] });
pres.c('x', {xmlns: this.presMap['xns']});
if (this.presMap['password']) {
pres.c('password').t(this.presMap['password']).up();
}
pres.up();
if (this.presMap['displayName']) {
// XEP-0172
pres.c('nick', {xmlns: 'http://jabber.org/protocol/nick'}).t(this.presMap['displayName']).up();
}
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if (this.presMap['prezins']) {
pres.c('prezi', {xmlns: this.presMap['prezins'], 'url': this.presMap['preziurl']}).
c('current').t(this.presMap['prezicurrent']).up().up();
}
if (this.presMap['etherpadns']) {
pres.c('etherpad', {xmlns: this.presMap['etherpadns']}).t(this.presMap['etherpadname']).up();
}
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if (this.presMap['medians'])
{
pres.c('media', {xmlns: this.presMap['medians']});
var sourceNumber = 0;
Object.keys(this.presMap).forEach(function (key) {
if (key.indexOf('source') >= 0) {
sourceNumber++;
}
});
if (sourceNumber > 0)
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for (var i = 1; i <= sourceNumber/3; i ++) {
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pres.c('source',
{type: this.presMap['source' + i + '_type'],
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ssrc: this.presMap['source' + i + '_ssrc'],
direction: this.presMap['source'+ i + '_direction'] || 'sendrecv' }
).up();
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}
}
pres.up();
connection.send(pres);
},
addDisplayNameToPresence: function (displayName) {
this.presMap['displayName'] = displayName;
},
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addMediaToPresence: function (sourceNumber, mtype, ssrcs, direction) {
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if (!this.presMap['medians'])
this.presMap['medians'] = 'http://estos.de/ns/mjs';
this.presMap['source' + sourceNumber + '_type'] = mtype;
this.presMap['source' + sourceNumber + '_ssrc'] = ssrcs;
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this.presMap['source' + sourceNumber + '_direction'] = direction;
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},
addPreziToPresence: function (url, currentSlide) {
this.presMap['prezins'] = 'http://jitsi.org/jitmeet/prezi';
this.presMap['preziurl'] = url;
this.presMap['prezicurrent'] = currentSlide;
},
removePreziFromPresence: function () {
delete this.presMap['prezins'];
delete this.presMap['preziurl'];
delete this.presMap['prezicurrent'];
},
addCurrentSlideToPresence: function (currentSlide) {
this.presMap['prezicurrent'] = currentSlide;
},
getPrezi: function (roomjid) {
return this.preziMap[roomjid];
},
addEtherpadToPresence: function(etherpadName) {
this.presMap['etherpadns'] = 'http://jitsi.org/jitmeet/etherpad';
this.presMap['etherpadname'] = etherpadName;
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}
});