587 lines
21 KiB
JavaScript
587 lines
21 KiB
JavaScript
/* global $, APP, config, Strophe*/
|
||
var Moderator = require("./moderator");
|
||
var EventEmitter = require("events");
|
||
var Recording = require("./recording");
|
||
var SDP = require("./SDP");
|
||
var Settings = require("../settings/Settings");
|
||
var Pako = require("pako");
|
||
var StreamEventTypes = require("../../service/RTC/StreamEventTypes");
|
||
var RTCEvents = require("../../service/RTC/RTCEvents");
|
||
var UIEvents = require("../../service/UI/UIEvents");
|
||
var XMPPEvents = require("../../service/xmpp/XMPPEvents");
|
||
var retry = require('retry');
|
||
|
||
var eventEmitter = new EventEmitter();
|
||
var connection = null;
|
||
var authenticatedUser = false;
|
||
|
||
function connect(jid, password) {
|
||
|
||
var faultTolerantConnect = retry.operation({
|
||
retries: 3
|
||
});
|
||
|
||
// fault tolerant connect
|
||
faultTolerantConnect.attempt(function () {
|
||
|
||
connection = XMPP.createConnection();
|
||
Moderator.setConnection(connection);
|
||
|
||
if (connection.disco) {
|
||
// for chrome, add multistream cap
|
||
}
|
||
connection.jingle.pc_constraints = APP.RTC.getPCConstraints();
|
||
if (config.useIPv6) {
|
||
// https://code.google.com/p/webrtc/issues/detail?id=2828
|
||
if (!connection.jingle.pc_constraints.optional)
|
||
connection.jingle.pc_constraints.optional = [];
|
||
connection.jingle.pc_constraints.optional.push({googIPv6: true});
|
||
}
|
||
|
||
// Include user info in MUC presence
|
||
var settings = Settings.getSettings();
|
||
if (settings.email) {
|
||
connection.emuc.addEmailToPresence(settings.email);
|
||
}
|
||
if (settings.uid) {
|
||
connection.emuc.addUserIdToPresence(settings.uid);
|
||
}
|
||
if (settings.displayName) {
|
||
connection.emuc.addDisplayNameToPresence(settings.displayName);
|
||
}
|
||
|
||
|
||
// connection.connect() starts the connection process.
|
||
//
|
||
// As the connection process proceeds, the user supplied callback will
|
||
// be triggered multiple times with status updates. The callback should
|
||
// take two arguments - the status code and the error condition.
|
||
//
|
||
// The status code will be one of the values in the Strophe.Status
|
||
// constants. The error condition will be one of the conditions defined
|
||
// in RFC 3920 or the condition ‘strophe-parsererror’.
|
||
//
|
||
// The Parameters wait, hold and route are optional and only relevant
|
||
// for BOSH connections. Please see XEP 124 for a more detailed
|
||
// explanation of the optional parameters.
|
||
//
|
||
// Connection status constants for use by the connection handler
|
||
// callback.
|
||
//
|
||
// Status.ERROR - An error has occurred (websockets specific)
|
||
// Status.CONNECTING - The connection is currently being made
|
||
// Status.CONNFAIL - The connection attempt failed
|
||
// Status.AUTHENTICATING - The connection is authenticating
|
||
// Status.AUTHFAIL - The authentication attempt failed
|
||
// Status.CONNECTED - The connection has succeeded
|
||
// Status.DISCONNECTED - The connection has been terminated
|
||
// Status.DISCONNECTING - The connection is currently being terminated
|
||
// Status.ATTACHED - The connection has been attached
|
||
|
||
var anonymousConnectionFailed = false;
|
||
var connectionFailed = false;
|
||
var lastErrorMsg;
|
||
connection.connect(jid, password, function (status, msg) {
|
||
console.log('Strophe status changed to',
|
||
Strophe.getStatusString(status), msg);
|
||
if (status === Strophe.Status.CONNECTED) {
|
||
if (config.useStunTurn) {
|
||
connection.jingle.getStunAndTurnCredentials();
|
||
}
|
||
|
||
console.info("My Jabber ID: " + connection.jid);
|
||
|
||
if (password)
|
||
authenticatedUser = true;
|
||
maybeDoJoin();
|
||
} else if (status === Strophe.Status.CONNFAIL) {
|
||
if (msg === 'x-strophe-bad-non-anon-jid') {
|
||
anonymousConnectionFailed = true;
|
||
} else {
|
||
connectionFailed = true;
|
||
}
|
||
lastErrorMsg = msg;
|
||
} else if (status === Strophe.Status.DISCONNECTED) {
|
||
if (anonymousConnectionFailed) {
|
||
// prompt user for username and password
|
||
XMPP.promptLogin();
|
||
} else {
|
||
|
||
// Strophe already has built-in HTTP/BOSH error handling and
|
||
// request retry logic. Requests are resent automatically
|
||
// until their error count reaches 5. Strophe.js disconnects
|
||
// if the error count is > 5. We are not replicating this
|
||
// here.
|
||
//
|
||
// The "problem" is that failed HTTP/BOSH requests don't
|
||
// trigger a callback with a status update, so when a
|
||
// callback with status Strophe.Status.DISCONNECTED arrives,
|
||
// we can't be sure if it's a graceful disconnect or if it's
|
||
// triggered by some HTTP/BOSH error.
|
||
//
|
||
// But that's a minor issue in Jitsi Meet as we never
|
||
// disconnect anyway, not even when the user closes the
|
||
// browser window (which is kind of wrong, but the point is
|
||
// that we should never ever get disconnected).
|
||
//
|
||
// On the other hand, failed connections due to XMPP layer
|
||
// errors, trigger a callback with status Strophe.Status.CONNFAIL.
|
||
//
|
||
// Here we implement retry logic for failed connections due
|
||
// to XMPP layer errors and we display an error to the user
|
||
// if we get disconnected from the XMPP server permanently.
|
||
|
||
// If the connection failed, retry.
|
||
if (connectionFailed
|
||
&& faultTolerantConnect.retry("connection-failed")) {
|
||
return;
|
||
}
|
||
|
||
// If we failed to connect to the XMPP server, fire an event
|
||
// to let all the interested module now about it.
|
||
eventEmitter.emit(XMPPEvents.CONNECTION_FAILED,
|
||
msg ? msg : lastErrorMsg);
|
||
}
|
||
} else if (status === Strophe.Status.AUTHFAIL) {
|
||
// wrong password or username, prompt user
|
||
XMPP.promptLogin();
|
||
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
|
||
|
||
function maybeDoJoin() {
|
||
if (connection && connection.connected &&
|
||
Strophe.getResourceFromJid(connection.jid)
|
||
&& (APP.RTC.localAudio || APP.RTC.localVideo)) {
|
||
// .connected is true while connecting?
|
||
doJoin();
|
||
}
|
||
}
|
||
|
||
function doJoin() {
|
||
var roomName = APP.UI.generateRoomName();
|
||
|
||
Moderator.allocateConferenceFocus(
|
||
roomName, APP.UI.checkForNicknameAndJoin);
|
||
}
|
||
|
||
function initStrophePlugins()
|
||
{
|
||
require("./strophe.emuc")(XMPP, eventEmitter);
|
||
require("./strophe.jingle")(XMPP, eventEmitter);
|
||
require("./strophe.moderate")(XMPP);
|
||
require("./strophe.util")();
|
||
require("./strophe.rayo")();
|
||
require("./strophe.logger")();
|
||
}
|
||
|
||
function registerListeners() {
|
||
APP.RTC.addStreamListener(maybeDoJoin,
|
||
StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);
|
||
APP.RTC.addListener(RTCEvents.AVAILABLE_DEVICES_CHANGED, function (devices) {
|
||
XMPP.addToPresence("devices", devices);
|
||
})
|
||
APP.UI.addListener(UIEvents.NICKNAME_CHANGED, function (nickname) {
|
||
XMPP.addToPresence("displayName", nickname);
|
||
});
|
||
}
|
||
|
||
function setupEvents() {
|
||
$(window).bind('beforeunload', function () {
|
||
if (connection && connection.connected) {
|
||
// ensure signout
|
||
$.ajax({
|
||
type: 'POST',
|
||
url: config.bosh,
|
||
async: false,
|
||
cache: false,
|
||
contentType: 'application/xml',
|
||
data: "<body rid='" + (connection.rid || connection._proto.rid)
|
||
+ "' xmlns='http://jabber.org/protocol/httpbind' sid='"
|
||
+ (connection.sid || connection._proto.sid)
|
||
+ "' type='terminate'>" +
|
||
"<presence xmlns='jabber:client' type='unavailable'/>" +
|
||
"</body>",
|
||
success: function (data) {
|
||
console.log('signed out');
|
||
console.log(data);
|
||
},
|
||
error: function (XMLHttpRequest, textStatus, errorThrown) {
|
||
console.log('signout error',
|
||
textStatus + ' (' + errorThrown + ')');
|
||
}
|
||
});
|
||
}
|
||
XMPP.disposeConference(true);
|
||
});
|
||
}
|
||
|
||
var XMPP = {
|
||
getConnection: function(){ return connection; },
|
||
sessionTerminated: false,
|
||
|
||
/**
|
||
* XMPP connection status
|
||
*/
|
||
Status: Strophe.Status,
|
||
|
||
/**
|
||
* Remembers if we were muted by the focus.
|
||
* @type {boolean}
|
||
*/
|
||
forceMuted: false,
|
||
start: function () {
|
||
setupEvents();
|
||
initStrophePlugins();
|
||
registerListeners();
|
||
Moderator.init(this, eventEmitter);
|
||
var configDomain = config.hosts.anonymousdomain || config.hosts.domain;
|
||
// Force authenticated domain if room is appended with '?login=true'
|
||
if (config.hosts.anonymousdomain &&
|
||
window.location.search.indexOf("login=true") !== -1) {
|
||
configDomain = config.hosts.domain;
|
||
}
|
||
var jid = configDomain || window.location.hostname;
|
||
connect(jid, null);
|
||
},
|
||
createConnection: function () {
|
||
var bosh = config.bosh || '/http-bind';
|
||
|
||
return new Strophe.Connection(bosh);
|
||
},
|
||
getStatusString: function (status) {
|
||
return Strophe.getStatusString(status);
|
||
},
|
||
promptLogin: function () {
|
||
// FIXME: re-use LoginDialog which supports retries
|
||
APP.UI.showLoginPopup(connect);
|
||
},
|
||
joinRoom: function(roomName, useNicks, nick)
|
||
{
|
||
var roomjid;
|
||
roomjid = roomName;
|
||
|
||
if (useNicks) {
|
||
if (nick) {
|
||
roomjid += '/' + nick;
|
||
} else {
|
||
roomjid += '/' + Strophe.getNodeFromJid(connection.jid);
|
||
}
|
||
} else {
|
||
|
||
var tmpJid = Strophe.getNodeFromJid(connection.jid);
|
||
|
||
if(!authenticatedUser)
|
||
tmpJid = tmpJid.substr(0, 8);
|
||
|
||
roomjid += '/' + tmpJid;
|
||
}
|
||
connection.emuc.doJoin(roomjid);
|
||
},
|
||
myJid: function () {
|
||
if(!connection)
|
||
return null;
|
||
return connection.emuc.myroomjid;
|
||
},
|
||
myResource: function () {
|
||
if(!connection || ! connection.emuc.myroomjid)
|
||
return null;
|
||
return Strophe.getResourceFromJid(connection.emuc.myroomjid);
|
||
},
|
||
disposeConference: function (onUnload) {
|
||
eventEmitter.emit(XMPPEvents.DISPOSE_CONFERENCE, onUnload);
|
||
var handler = connection.jingle.activecall;
|
||
if (handler && handler.peerconnection) {
|
||
// FIXME: probably removing streams is not required and close() should
|
||
// be enough
|
||
if (APP.RTC.localAudio) {
|
||
handler.peerconnection.removeStream(
|
||
APP.RTC.localAudio.getOriginalStream(), onUnload);
|
||
}
|
||
if (APP.RTC.localVideo) {
|
||
handler.peerconnection.removeStream(
|
||
APP.RTC.localVideo.getOriginalStream(), onUnload);
|
||
}
|
||
handler.peerconnection.close();
|
||
}
|
||
connection.jingle.activecall = null;
|
||
if(!onUnload)
|
||
{
|
||
this.sessionTerminated = true;
|
||
connection.emuc.doLeave();
|
||
}
|
||
},
|
||
addListener: function(type, listener)
|
||
{
|
||
eventEmitter.on(type, listener);
|
||
},
|
||
removeListener: function (type, listener) {
|
||
eventEmitter.removeListener(type, listener);
|
||
},
|
||
allocateConferenceFocus: function(roomName, callback) {
|
||
Moderator.allocateConferenceFocus(roomName, callback);
|
||
},
|
||
getLoginUrl: function (roomName, callback) {
|
||
Moderator.getLoginUrl(roomName, callback);
|
||
},
|
||
getPopupLoginUrl: function (roomName, callback) {
|
||
Moderator.getPopupLoginUrl(roomName, callback);
|
||
},
|
||
isModerator: function () {
|
||
return Moderator.isModerator();
|
||
},
|
||
isSipGatewayEnabled: function () {
|
||
return Moderator.isSipGatewayEnabled();
|
||
},
|
||
isExternalAuthEnabled: function () {
|
||
return Moderator.isExternalAuthEnabled();
|
||
},
|
||
switchStreams: function (stream, oldStream, callback, isAudio) {
|
||
if (connection && connection.jingle.activecall) {
|
||
// FIXME: will block switchInProgress on true value in case of exception
|
||
connection.jingle.activecall.switchStreams(stream, oldStream, callback, isAudio);
|
||
} else {
|
||
// We are done immediately
|
||
console.warn("No conference handler or conference not started yet");
|
||
callback();
|
||
}
|
||
},
|
||
sendVideoInfoPresence: function (mute) {
|
||
if(!connection)
|
||
return;
|
||
connection.emuc.addVideoInfoToPresence(mute);
|
||
connection.emuc.sendPresence();
|
||
},
|
||
setVideoMute: function (mute, callback, options) {
|
||
if(!connection)
|
||
return;
|
||
var self = this;
|
||
var localCallback = function (mute) {
|
||
self.sendVideoInfoPresence(mute);
|
||
return callback(mute);
|
||
};
|
||
|
||
if(connection.jingle.activecall)
|
||
{
|
||
connection.jingle.activecall.setVideoMute(
|
||
mute, localCallback, options);
|
||
}
|
||
else {
|
||
localCallback(mute);
|
||
}
|
||
|
||
},
|
||
setAudioMute: function (mute, callback) {
|
||
if (!(connection && APP.RTC.localAudio)) {
|
||
return false;
|
||
}
|
||
|
||
|
||
if (this.forceMuted && !mute) {
|
||
console.info("Asking focus for unmute");
|
||
connection.moderate.setMute(connection.emuc.myroomjid, mute);
|
||
// FIXME: wait for result before resetting muted status
|
||
this.forceMuted = false;
|
||
}
|
||
|
||
if (mute == APP.RTC.localAudio.isMuted()) {
|
||
// Nothing to do
|
||
return true;
|
||
}
|
||
|
||
// It is not clear what is the right way to handle multiple tracks.
|
||
// So at least make sure that they are all muted or all unmuted and
|
||
// that we send presence just once.
|
||
APP.RTC.localAudio.setMute(!mute);
|
||
// isMuted is the opposite of audioEnabled
|
||
this.sendAudioInfoPresence(mute, callback);
|
||
return true;
|
||
},
|
||
sendAudioInfoPresence: function(mute, callback)
|
||
{
|
||
if(connection) {
|
||
connection.emuc.addAudioInfoToPresence(mute);
|
||
connection.emuc.sendPresence();
|
||
}
|
||
callback();
|
||
return true;
|
||
},
|
||
// Really mute video, i.e. dont even send black frames
|
||
muteVideo: function (pc, unmute) {
|
||
// FIXME: this probably needs another of those lovely state safeguards...
|
||
// which checks for iceconn == connected and sigstate == stable
|
||
pc.setRemoteDescription(pc.remoteDescription,
|
||
function () {
|
||
pc.createAnswer(
|
||
function (answer) {
|
||
var sdp = new SDP(answer.sdp);
|
||
if (sdp.media.length > 1) {
|
||
if (unmute)
|
||
sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
|
||
else
|
||
sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
|
||
sdp.raw = sdp.session + sdp.media.join('');
|
||
answer.sdp = sdp.raw;
|
||
}
|
||
pc.setLocalDescription(answer,
|
||
function () {
|
||
console.log('mute SLD ok');
|
||
},
|
||
function (error) {
|
||
console.log('mute SLD error');
|
||
APP.UI.messageHandler.showError("dialog.error",
|
||
"dialog.SLDFailure");
|
||
}
|
||
);
|
||
},
|
||
function (error) {
|
||
console.log(error);
|
||
APP.UI.messageHandler.showError();
|
||
}
|
||
);
|
||
},
|
||
function (error) {
|
||
console.log('muteVideo SRD error');
|
||
APP.UI.messageHandler.showError("dialog.error",
|
||
"dialog.SRDFailure");
|
||
|
||
}
|
||
);
|
||
},
|
||
toggleRecording: function (tokenEmptyCallback,
|
||
startingCallback, startedCallback) {
|
||
Recording.toggleRecording(tokenEmptyCallback,
|
||
startingCallback, startedCallback, connection);
|
||
},
|
||
addToPresence: function (name, value, dontSend) {
|
||
switch (name)
|
||
{
|
||
case "displayName":
|
||
connection.emuc.addDisplayNameToPresence(value);
|
||
break;
|
||
case "etherpad":
|
||
connection.emuc.addEtherpadToPresence(value);
|
||
break;
|
||
case "prezi":
|
||
connection.emuc.addPreziToPresence(value, 0);
|
||
break;
|
||
case "preziSlide":
|
||
connection.emuc.addCurrentSlideToPresence(value);
|
||
break;
|
||
case "connectionQuality":
|
||
connection.emuc.addConnectionInfoToPresence(value);
|
||
break;
|
||
case "email":
|
||
connection.emuc.addEmailToPresence(value);
|
||
break;
|
||
case "devices":
|
||
connection.emuc.addDevicesToPresence(value);
|
||
break;
|
||
default :
|
||
console.log("Unknown tag for presence: " + name);
|
||
return;
|
||
}
|
||
if (!dontSend)
|
||
connection.emuc.sendPresence();
|
||
},
|
||
/**
|
||
* Sends 'data' as a log message to the focus. Returns true iff a message
|
||
* was sent.
|
||
* @param data
|
||
* @returns {boolean} true iff a message was sent.
|
||
*/
|
||
sendLogs: function (data) {
|
||
if(!connection.emuc.focusMucJid)
|
||
return false;
|
||
|
||
var deflate = true;
|
||
|
||
var content = JSON.stringify(data);
|
||
if (deflate) {
|
||
content = String.fromCharCode.apply(null, Pako.deflateRaw(content));
|
||
}
|
||
content = Base64.encode(content);
|
||
// XEP-0337-ish
|
||
var message = $msg({to: connection.emuc.focusMucJid, type: 'normal'});
|
||
message.c('log', { xmlns: 'urn:xmpp:eventlog',
|
||
id: 'PeerConnectionStats'});
|
||
message.c('message').t(content).up();
|
||
if (deflate) {
|
||
message.c('tag', {name: "deflated", value: "true"}).up();
|
||
}
|
||
message.up();
|
||
|
||
connection.send(message);
|
||
return true;
|
||
},
|
||
populateData: function () {
|
||
var data = {};
|
||
if (connection.jingle) {
|
||
data = connection.jingle.populateData();
|
||
}
|
||
return data;
|
||
},
|
||
getLogger: function () {
|
||
if(connection.logger)
|
||
return connection.logger.log;
|
||
return null;
|
||
},
|
||
getPrezi: function () {
|
||
return connection.emuc.getPrezi(this.myJid());
|
||
},
|
||
removePreziFromPresence: function () {
|
||
connection.emuc.removePreziFromPresence();
|
||
connection.emuc.sendPresence();
|
||
},
|
||
sendChatMessage: function (message, nickname) {
|
||
connection.emuc.sendMessage(message, nickname);
|
||
},
|
||
setSubject: function (topic) {
|
||
connection.emuc.setSubject(topic);
|
||
},
|
||
lockRoom: function (key, onSuccess, onError, onNotSupported) {
|
||
connection.emuc.lockRoom(key, onSuccess, onError, onNotSupported);
|
||
},
|
||
dial: function (to, from, roomName,roomPass) {
|
||
connection.rayo.dial(to, from, roomName,roomPass);
|
||
},
|
||
setMute: function (jid, mute) {
|
||
connection.moderate.setMute(jid, mute);
|
||
},
|
||
eject: function (jid) {
|
||
connection.moderate.eject(jid);
|
||
},
|
||
logout: function (callback) {
|
||
Moderator.logout(callback);
|
||
},
|
||
findJidFromResource: function (resource) {
|
||
return connection.emuc.findJidFromResource(resource);
|
||
},
|
||
getMembers: function () {
|
||
return connection.emuc.members;
|
||
},
|
||
getJidFromSSRC: function (ssrc) {
|
||
if(!connection)
|
||
return null;
|
||
return connection.emuc.ssrc2jid[ssrc];
|
||
},
|
||
getMUCJoined: function () {
|
||
return connection.emuc.joined;
|
||
},
|
||
getSessions: function () {
|
||
return connection.jingle.sessions;
|
||
},
|
||
removeStream: function (stream) {
|
||
if(!connection || !connection.jingle.activecall ||
|
||
!connection.jingle.activecall.peerconnection)
|
||
return;
|
||
connection.jingle.activecall.peerconnection.removeStream(stream);
|
||
}
|
||
};
|
||
|
||
module.exports = XMPP;
|