144 lines
5.3 KiB
JavaScript
144 lines
5.3 KiB
JavaScript
// Converse.js
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// http://conversejs.org
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//
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// Copyright (c) The Converse.js developers
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// Licensed under the Mozilla Public License (MPLv2)
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/* This is a Converse.js plugin which add support for XEP-0206: XMPP Over BOSH */
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import BrowserStorage from "backbone.browserStorage";
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import converse from "./converse-core";
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const { Backbone, Strophe, _ } = converse.env;
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const u = converse.env.utils;
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converse.plugins.add('converse-bosh', {
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initialize () {
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const { _converse } = this;
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_converse.api.settings.update({
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bosh_service_url: undefined,
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prebind_url: null
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});
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async function initBOSHSession () {
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const id = 'converse.bosh-session';
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if (!_converse.bosh_session) {
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_converse.bosh_session = new Backbone.Model({id});
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_converse.bosh_session.browserStorage = new BrowserStorage.session(id);
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await new Promise(resolve => _converse.bosh_session.fetch({'success': resolve, 'error': resolve}));
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}
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if (_converse.jid && _converse.bosh_session.get('jid') === _converse.jid) {
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_converse.bosh_session.clear({'silent': true });
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_converse.bosh_session.save({'jid': _converse.jid, id});
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}
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return _converse.bosh_session;
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}
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_converse.startNewBOSHSession = function () {
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if (!_converse.prebind_url) {
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throw new Error(
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"attemptPreboundSession: If you use prebind then you MUST supply a prebind_url");
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}
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const xhr = new XMLHttpRequest();
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xhr.open('GET', _converse.prebind_url, true);
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xhr.setRequestHeader('Accept', 'application/json, text/javascript');
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xhr.onload = function () {
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if (xhr.status >= 200 && xhr.status < 400) {
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const data = JSON.parse(xhr.responseText);
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_converse.connection.attach(
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data.jid,
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data.sid,
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data.rid,
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_converse.onConnectStatusChanged
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);
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} else {
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xhr.onerror();
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}
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};
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xhr.onerror = function () {
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delete _converse.connection;
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/**
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* Triggered when fetching prebind tokens failed
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* @event _converse#noResumeableBOSHSession
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* @type { _converse }
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* @example _converse.api.listen.on('noResumeableBOSHSession', _converse => { ... });
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*/
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_converse.api.trigger('noResumeableBOSHSession', _converse);
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};
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xhr.send();
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}
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_converse.restoreBOSHSession = async function () {
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if (!_converse.api.connection.isType('bosh')) {
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return false;
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}
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const jid = (await initBOSHSession()).get('jid');
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if (jid) {
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try {
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_converse.connection.restore(jid, _converse.onConnectStatusChanged);
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return true;
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} catch (e) {
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_converse.log(
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"Could not restore session for jid: "+
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jid+" Error message: "+e.message, Strophe.LogLevel.WARN);
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_converse.clearSession(); // We want to clear presences (see #555)
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return false;
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}
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}
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return false;
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}
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/************************ BEGIN Event Handlers ************************/
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_converse.api.listen.on('clearSession', () => {
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if (!_.isUndefined(_converse.bosh_session)) {
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_converse.bosh_session.destroy();
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delete _converse.bosh_session;
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}
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});
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_converse.api.listen.on('setUserJID', () => {
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if (!_.isUndefined(_converse.bosh_session)) {
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_converse.bosh_session.save({'jid': _converse.jid});
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}
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});
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/************************ END Event Handlers ************************/
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/************************ BEGIN API ************************/
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Object.assign(_converse.api, {
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/**
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* This namespace lets you access the BOSH tokens
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*
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* @namespace _converse.api.tokens
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* @memberOf _converse.api
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*/
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tokens: {
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/**
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* @method _converse.api.tokens.get
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* @param {string} [id] The type of token to return ('rid' or 'sid').
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* @returns 'string' A token, either the RID or SID token depending on what's asked for.
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* @example _converse.api.tokens.get('rid');
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*/
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get (id) {
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if (_.isUndefined(_converse.connection)) {
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return null;
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}
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if (id.toLowerCase() === 'rid') {
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return _converse.connection.rid || _converse.connection._proto.rid;
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} else if (id.toLowerCase() === 'sid') {
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return _converse.connection.sid || _converse.connection._proto.sid;
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}
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}
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}
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});
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/************************ end api ************************/
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}
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});
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