814 lines
36 KiB
JavaScript
814 lines
36 KiB
JavaScript
/**
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* @module converse-disco
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* @copyright The Converse.js contributors
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* @license Mozilla Public License (MPLv2)
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* @description Converse plugin which add support for XEP-0030: Service Discovery
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*/
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import log from "./log";
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import sizzle from "sizzle";
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import { Collection } from "skeletor.js/src/collection";
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import { Model } from 'skeletor.js/src/model.js';
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import { _converse, api, converse } from "./converse-core";
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import { isEmpty, isObject } from "lodash";
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const { Strophe, $iq, utils } = converse.env;
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converse.plugins.add('converse-disco', {
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initialize () {
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/* The initialize function gets called as soon as the plugin is
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* loaded by converse.js's plugin machinery.
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*/
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// Promises exposed by this plugin
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api.promises.add('discoInitialized');
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api.promises.add('streamFeaturesAdded');
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/**
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* @class
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* @namespace _converse.DiscoEntity
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* @memberOf _converse
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*/
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_converse.DiscoEntity = Model.extend({
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/* A Disco Entity is a JID addressable entity that can be queried
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* for features.
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*
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* See XEP-0030: https://xmpp.org/extensions/xep-0030.html
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*/
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idAttribute: 'jid',
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initialize (attrs, options) {
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this.waitUntilFeaturesDiscovered = utils.getResolveablePromise();
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this.dataforms = new Collection();
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let id = `converse.dataforms-${this.get('jid')}`;
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this.dataforms.browserStorage = _converse.createStore(id, 'session');
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this.features = new Collection();
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id = `converse.features-${this.get('jid')}`;
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this.features.browserStorage = _converse.createStore(id, 'session');
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this.listenTo(this.features, 'add', this.onFeatureAdded)
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this.fields = new Collection();
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id = `converse.fields-${this.get('jid')}`;
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this.fields.browserStorage = _converse.createStore(id, 'session');
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this.listenTo(this.fields, 'add', this.onFieldAdded)
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this.identities = new Collection();
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id = `converse.identities-${this.get('jid')}`;
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this.identities.browserStorage = _converse.createStore(id, 'session');
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this.fetchFeatures(options);
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this.items = new _converse.DiscoEntities();
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id = `converse.disco-items-${this.get('jid')}`;
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this.items.browserStorage = _converse.createStore(id, 'session');
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this.items.fetch();
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},
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/**
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* Returns a Promise which resolves with a map indicating
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* whether a given identity is provided by this entity.
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* @private
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* @method _converse.DiscoEntity#getIdentity
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* @param { String } category - The identity category
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* @param { String } type - The identity type
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*/
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async getIdentity (category, type) {
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await this.waitUntilFeaturesDiscovered;
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return this.identities.findWhere({
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'category': category,
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'type': type
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});
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},
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/**
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* Returns a Promise which resolves with a map indicating
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* whether a given feature is supported.
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* @private
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* @method _converse.DiscoEntity#hasFeature
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* @param { String } feature - The feature that might be supported.
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*/
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async hasFeature (feature) {
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await this.waitUntilFeaturesDiscovered
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if (this.features.findWhere({'var': feature})) {
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return this;
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}
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},
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onFeatureAdded (feature) {
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feature.entity = this;
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/**
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* Triggered when Converse has learned of a service provided by the XMPP server.
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* See XEP-0030.
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* @event _converse#serviceDiscovered
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* @type { Model }
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* @example _converse.api.listen.on('featuresDiscovered', feature => { ... });
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*/
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api.trigger('serviceDiscovered', feature);
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},
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onFieldAdded (field) {
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field.entity = this;
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/**
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* Triggered when Converse has learned of a disco extension field.
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* See XEP-0030.
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* @event _converse#discoExtensionFieldDiscovered
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* @example _converse.api.listen.on('discoExtensionFieldDiscovered', () => { ... });
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*/
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api.trigger('discoExtensionFieldDiscovered', field);
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},
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async fetchFeatures (options) {
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if (options.ignore_cache) {
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this.queryInfo();
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} else {
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const store_id = this.features.browserStorage.name;
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const result = await this.features.browserStorage.store.getItem(store_id);
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if (result && result.length === 0 || result === null) {
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this.queryInfo();
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} else {
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this.features.fetch({
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add: true,
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success: () => {
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this.waitUntilFeaturesDiscovered.resolve(this);
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this.trigger('featuresDiscovered');
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}
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});
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this.identities.fetch({add: true});
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}
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}
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},
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async queryInfo () {
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let stanza;
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try {
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stanza = await api.disco.info(this.get('jid'), null);
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} catch (iq) {
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iq === null ? log.error(`Timeout for disco#info query for ${this.get('jid')}`) : log.error(iq);
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this.waitUntilFeaturesDiscovered.resolve(this);
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return;
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}
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this.onInfo(stanza);
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},
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onDiscoItems (stanza) {
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sizzle(`query[xmlns="${Strophe.NS.DISCO_ITEMS}"] item`, stanza).forEach(item => {
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if (item.getAttribute("node")) {
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// XXX: Ignore nodes for now.
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// See: https://xmpp.org/extensions/xep-0030.html#items-nodes
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return;
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}
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const jid = item.getAttribute('jid');
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if (this.items.get(jid) === undefined) {
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const entity = _converse.disco_entities.get(jid);
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if (entity) {
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this.items.add(entity);
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} else {
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this.items.create({'jid': jid});
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}
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}
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});
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},
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async queryForItems () {
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if (isEmpty(this.identities.where({'category': 'server'}))) {
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// Don't fetch features and items if this is not a
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// server or a conference component.
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return;
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}
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const stanza = await api.disco.items(this.get('jid'));
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this.onDiscoItems(stanza);
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},
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onInfo (stanza) {
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Array.from(stanza.querySelectorAll('identity')).forEach(identity => {
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this.identities.create({
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'category': identity.getAttribute('category'),
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'type': identity.getAttribute('type'),
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'name': identity.getAttribute('name')
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});
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});
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sizzle(`x[type="result"][xmlns="${Strophe.NS.XFORM}"]`, stanza).forEach(form => {
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const data = {};
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sizzle('field', form).forEach(field => {
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data[field.getAttribute('var')] = {
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'value': field.querySelector('value')?.textContent,
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'type': field.getAttribute('type')
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};
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});
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this.dataforms.create(data);
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});
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if (stanza.querySelector(`feature[var="${Strophe.NS.DISCO_ITEMS}"]`)) {
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this.queryForItems();
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}
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Array.from(stanza.querySelectorAll('feature')).forEach(feature => {
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this.features.create({
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'var': feature.getAttribute('var'),
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'from': stanza.getAttribute('from')
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});
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});
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// XEP-0128 Service Discovery Extensions
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sizzle('x[type="result"][xmlns="jabber:x:data"] field', stanza).forEach(field => {
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this.fields.create({
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'var': field.getAttribute('var'),
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'value': field.querySelector('value')?.textContent,
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'from': stanza.getAttribute('from')
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});
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});
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this.waitUntilFeaturesDiscovered.resolve(this);
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this.trigger('featuresDiscovered');
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}
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});
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_converse.DiscoEntities = Collection.extend({
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model: _converse.DiscoEntity,
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fetchEntities () {
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return new Promise((resolve, reject) => {
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this.fetch({
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add: true,
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success: resolve,
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error (m, e) {
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log.error(e);
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reject (new Error("Could not fetch disco entities"));
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}
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});
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});
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}
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});
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function addClientFeatures () {
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// See https://xmpp.org/registrar/disco-categories.html
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api.disco.own.identities.add('client', 'web', 'Converse');
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api.disco.own.features.add(Strophe.NS.CHATSTATES);
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api.disco.own.features.add(Strophe.NS.DISCO_INFO);
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api.disco.own.features.add(Strophe.NS.ROSTERX); // Limited support
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if (api.settings.get("message_carbons")) {
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api.disco.own.features.add(Strophe.NS.CARBONS);
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}
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/**
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* Triggered in converse-disco once the core disco features of
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* Converse have been added.
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* @event _converse#addClientFeatures
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* @example _converse.api.listen.on('addClientFeatures', () => { ... });
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*/
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api.trigger('addClientFeatures');
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return this;
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}
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function initStreamFeatures () {
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// Initialize the stream_features collection, and if we're
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// re-attaching to a pre-existing BOSH session, we restore the
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// features from cache.
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// Otherwise the features will be created once we've received them
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// from the server (see populateStreamFeatures).
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if (!_converse.stream_features) {
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const bare_jid = Strophe.getBareJidFromJid(_converse.jid);
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const id = `converse.stream-features-${bare_jid}`;
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api.promises.add('streamFeaturesAdded');
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_converse.stream_features = new Collection();
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_converse.stream_features.browserStorage = _converse.createStore(id, "session");
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}
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}
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function populateStreamFeatures () {
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// Strophe.js sets the <stream:features> element on the
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// Strophe.Connection instance (_converse.connection).
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//
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// Once this is done, we populate the _converse.stream_features collection
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// and trigger streamFeaturesAdded.
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initStreamFeatures();
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Array.from(_converse.connection.features.childNodes).forEach(feature => {
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_converse.stream_features.create({
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'name': feature.nodeName,
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'xmlns': feature.getAttribute('xmlns')
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});
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});
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notifyStreamFeaturesAdded();
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}
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function notifyStreamFeaturesAdded () {
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/**
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* Triggered as soon as the stream features are known.
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* If you want to check whether a stream feature is supported before proceeding,
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* then you'll first want to wait for this event.
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* @event _converse#streamFeaturesAdded
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* @example _converse.api.listen.on('streamFeaturesAdded', () => { ... });
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*/
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api.trigger('streamFeaturesAdded');
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}
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const plugin = this;
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plugin._identities = [];
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plugin._features = [];
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function onDiscoInfoRequest (stanza) {
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const node = stanza.getElementsByTagName('query')[0].getAttribute('node');
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const attrs = {xmlns: Strophe.NS.DISCO_INFO};
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if (node) { attrs.node = node; }
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const iqresult = $iq({'type': 'result', 'id': stanza.getAttribute('id')});
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const from = stanza.getAttribute('from');
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if (from !== null) {
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iqresult.attrs({'to': from});
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}
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iqresult.c('query', attrs);
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plugin._identities.forEach(identity => {
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const attrs = {
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'category': identity.category,
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'type': identity.type
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};
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if (identity.name) {
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attrs.name = identity.name;
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}
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if (identity.lang) {
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attrs['xml:lang'] = identity.lang;
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}
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iqresult.c('identity', attrs).up();
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});
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plugin._features.forEach(feature => iqresult.c('feature', {'var': feature}).up());
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api.send(iqresult.tree());
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return true;
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}
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async function initializeDisco () {
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addClientFeatures();
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_converse.connection.addHandler(onDiscoInfoRequest, Strophe.NS.DISCO_INFO, 'iq', 'get', null, null);
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_converse.disco_entities = new _converse.DiscoEntities();
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const id = `converse.disco-entities-${_converse.bare_jid}`;
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_converse.disco_entities.browserStorage = _converse.createStore(id, 'session');
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const collection = await _converse.disco_entities.fetchEntities();
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if (collection.length === 0 || !collection.get(_converse.domain)) {
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// If we don't have an entity for our own XMPP server,
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// create one.
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_converse.disco_entities.create({'jid': _converse.domain});
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}
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/**
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* Triggered once the `converse-disco` plugin has been initialized and the
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* `_converse.disco_entities` collection will be available and populated with at
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* least the service discovery features of the user's own server.
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* @event _converse#discoInitialized
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* @example _converse.api.listen.on('discoInitialized', () => { ... });
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*/
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api.trigger('discoInitialized');
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}
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/******************** Event Handlers ********************/
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api.listen.on('userSessionInitialized', async () => {
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initStreamFeatures();
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if (_converse.connfeedback.get('connection_status') === Strophe.Status.ATTACHED) {
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// When re-attaching to a BOSH session, we fetch the stream features from the cache.
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await new Promise((success, error) => _converse.stream_features.fetch({ success, error }));
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notifyStreamFeaturesAdded();
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}
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});
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api.listen.on('beforeResourceBinding', populateStreamFeatures);
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api.listen.on('reconnected', initializeDisco);
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api.listen.on('connected', initializeDisco);
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api.listen.on('beforeTearDown', async () => {
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api.promises.add('streamFeaturesAdded')
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if (_converse.stream_features) {
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await _converse.stream_features.clearStore();
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delete _converse.stream_features;
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}
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});
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api.listen.on('clearSession', () => {
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if (_converse.shouldClearCache() && _converse.disco_entities) {
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Array.from(_converse.disco_entities.models).forEach(e => e.features.clearStore());
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Array.from(_converse.disco_entities.models).forEach(e => e.identities.clearStore());
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Array.from(_converse.disco_entities.models).forEach(e => e.dataforms.clearStore());
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Array.from(_converse.disco_entities.models).forEach(e => e.fields.clearStore());
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_converse.disco_entities.clearStore();
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delete _converse.disco_entities;
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}
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});
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/************************ API ************************/
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Object.assign(api, {
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/**
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* The XEP-0030 service discovery API
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*
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* This API lets you discover information about entities on the
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* XMPP network.
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*
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* @namespace api.disco
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* @memberOf api
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*/
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disco: {
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/**
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* @namespace api.disco.stream
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* @memberOf api.disco
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*/
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stream: {
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/**
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* @method api.disco.stream.getFeature
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* @param {String} name The feature name
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* @param {String} xmlns The XML namespace
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* @example _converse.api.disco.stream.getFeature('ver', 'urn:xmpp:features:rosterver')
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*/
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async getFeature (name, xmlns) {
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await api.waitUntil('streamFeaturesAdded');
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if (!name || !xmlns) {
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throw new Error("name and xmlns need to be provided when calling disco.stream.getFeature");
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}
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if (_converse.stream_features === undefined && !api.connection.connected()) {
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// Happens during tests when disco lookups happen asynchronously after teardown.
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const msg = `Tried to get feature ${name} ${xmlns} but _converse.stream_features has been torn down`;
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log.warn(msg);
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return;
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}
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return _converse.stream_features.findWhere({'name': name, 'xmlns': xmlns});
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}
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},
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/**
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* @namespace api.disco.own
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* @memberOf api.disco
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*/
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own: {
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/**
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* @namespace api.disco.own.identities
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* @memberOf api.disco.own
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*/
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identities: {
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/**
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* Lets you add new identities for this client (i.e. instance of Converse)
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* @method api.disco.own.identities.add
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*
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* @param {String} category - server, client, gateway, directory, etc.
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* @param {String} type - phone, pc, web, etc.
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* @param {String} name - "Converse"
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* @param {String} lang - en, el, de, etc.
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*
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* @example _converse.api.disco.own.identities.clear();
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*/
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add (category, type, name, lang) {
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for (var i=0; i<plugin._identities.length; i++) {
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if (plugin._identities[i].category == category &&
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plugin._identities[i].type == type &&
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plugin._identities[i].name == name &&
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plugin._identities[i].lang == lang) {
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return false;
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}
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}
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plugin._identities.push({category: category, type: type, name: name, lang: lang});
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},
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/**
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* Clears all previously registered identities.
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* @method api.disco.own.identities.clear
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* @example _converse.api.disco.own.identities.clear();
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*/
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clear () {
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plugin._identities = []
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},
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/**
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* Returns all of the identities registered for this client
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* (i.e. instance of Converse).
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* @method api.disco.identities.get
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* @example const identities = api.disco.own.identities.get();
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*/
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get () {
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return plugin._identities;
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}
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},
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/**
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* @namespace api.disco.own.features
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* @memberOf api.disco.own
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*/
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features: {
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/**
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* Lets you register new disco features for this client (i.e. instance of Converse)
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* @method api.disco.own.features.add
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* @param {String} name - e.g. http://jabber.org/protocol/caps
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* @example _converse.api.disco.own.features.add("http://jabber.org/protocol/caps");
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*/
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add (name) {
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for (var i=0; i<plugin._features.length; i++) {
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if (plugin._features[i] == name) { return false; }
|
|
}
|
|
plugin._features.push(name);
|
|
},
|
|
/**
|
|
* Clears all previously registered features.
|
|
* @method api.disco.own.features.clear
|
|
* @example _converse.api.disco.own.features.clear();
|
|
*/
|
|
clear () {
|
|
plugin._features = []
|
|
},
|
|
/**
|
|
* Returns all of the features registered for this client (i.e. instance of Converse).
|
|
* @method api.disco.own.features.get
|
|
* @example const features = api.disco.own.features.get();
|
|
*/
|
|
get () {
|
|
return plugin._features;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Query for information about an XMPP entity
|
|
*
|
|
* @method api.disco.info
|
|
* @param {string} jid The Jabber ID of the entity to query
|
|
* @param {string} [node] A specific node identifier associated with the JID
|
|
* @returns {promise} Promise which resolves once we have a result from the server.
|
|
*/
|
|
info (jid, node) {
|
|
const attrs = {xmlns: Strophe.NS.DISCO_INFO};
|
|
if (node) {
|
|
attrs.node = node;
|
|
}
|
|
const info = $iq({
|
|
'from': _converse.connection.jid,
|
|
'to':jid,
|
|
'type':'get'
|
|
}).c('query', attrs);
|
|
return api.sendIQ(info);
|
|
},
|
|
|
|
/**
|
|
* Query for items associated with an XMPP entity
|
|
*
|
|
* @method api.disco.items
|
|
* @param {string} jid The Jabber ID of the entity to query for items
|
|
* @param {string} [node] A specific node identifier associated with the JID
|
|
* @returns {promise} Promise which resolves once we have a result from the server.
|
|
*/
|
|
items (jid, node) {
|
|
const attrs = {'xmlns': Strophe.NS.DISCO_ITEMS};
|
|
if (node) {
|
|
attrs.node = node;
|
|
}
|
|
return api.sendIQ(
|
|
$iq({
|
|
'from': _converse.connection.jid,
|
|
'to':jid,
|
|
'type':'get'
|
|
}).c('query', attrs)
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Namespace for methods associated with disco entities
|
|
*
|
|
* @namespace api.disco.entities
|
|
* @memberOf api.disco
|
|
*/
|
|
entities: {
|
|
/**
|
|
* Get the corresponding `DiscoEntity` instance.
|
|
*
|
|
* @method api.disco.entities.get
|
|
* @param {string} jid The Jabber ID of the entity
|
|
* @param {boolean} [create] Whether the entity should be created if it doesn't exist.
|
|
* @example _converse.api.disco.entities.get(jid);
|
|
*/
|
|
async get (jid, create=false) {
|
|
await api.waitUntil('discoInitialized');
|
|
if (!jid) {
|
|
return _converse.disco_entities;
|
|
}
|
|
if (_converse.disco_entities === undefined && !api.connection.connected()) {
|
|
// Happens during tests when disco lookups happen asynchronously after teardown.
|
|
const msg = `Tried to look up entity ${jid} but _converse.disco_entities has been torn down`;
|
|
log.warn(msg);
|
|
return;
|
|
}
|
|
const entity = _converse.disco_entities.get(jid);
|
|
if (entity || !create) {
|
|
return entity;
|
|
}
|
|
return api.disco.entities.create(jid);
|
|
},
|
|
|
|
/**
|
|
* Create a new disco entity. It's identity and features
|
|
* will automatically be fetched from cache or from the
|
|
* XMPP server.
|
|
*
|
|
* Fetching from cache can be disabled by passing in
|
|
* `ignore_cache: true` in the options parameter.
|
|
*
|
|
* @method api.disco.entities.create
|
|
* @param {string} jid The Jabber ID of the entity
|
|
* @param {object} [options] Additional options
|
|
* @param {boolean} [options.ignore_cache]
|
|
* If true, fetch all features from the XMPP server instead of restoring them from cache
|
|
* @example _converse.api.disco.entities.create(jid, {'ignore_cache': true});
|
|
*/
|
|
create (jid, options) {
|
|
return _converse.disco_entities.create({'jid': jid}, options);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @namespace api.disco.features
|
|
* @memberOf api.disco
|
|
*/
|
|
features: {
|
|
/**
|
|
* Return a given feature of a disco entity
|
|
*
|
|
* @method api.disco.features.get
|
|
* @param {string} feature The feature that might be
|
|
* supported. In the XML stanza, this is the `var`
|
|
* attribute of the `<feature>` element. For
|
|
* example: `http://jabber.org/protocol/muc`
|
|
* @param {string} jid The JID of the entity
|
|
* (and its associated items) which should be queried
|
|
* @returns {promise} A promise which resolves with a list containing
|
|
* _converse.Entity instances representing the entity
|
|
* itself or those items associated with the entity if
|
|
* they support the given feature.
|
|
* @example
|
|
* api.disco.features.get(Strophe.NS.MAM, _converse.bare_jid);
|
|
*/
|
|
async get (feature, jid) {
|
|
if (!jid) {
|
|
throw new TypeError('You need to provide an entity JID');
|
|
}
|
|
await api.waitUntil('discoInitialized');
|
|
let entity = await api.disco.entities.get(jid, true);
|
|
|
|
if (_converse.disco_entities === undefined && !api.connection.connected()) {
|
|
// Happens during tests when disco lookups happen asynchronously after teardown.
|
|
const msg = `Tried to get feature ${feature} for ${jid} but _converse.disco_entities has been torn down`;
|
|
log.warn(msg);
|
|
return;
|
|
}
|
|
entity = await entity.waitUntilFeaturesDiscovered;
|
|
const promises = [...entity.items.map(i => i.hasFeature(feature)), entity.hasFeature(feature)];
|
|
const result = await Promise.all(promises);
|
|
return result.filter(isObject);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Used to determine whether an entity supports a given feature.
|
|
*
|
|
* @method api.disco.supports
|
|
* @param {string} feature The feature that might be
|
|
* supported. In the XML stanza, this is the `var`
|
|
* attribute of the `<feature>` element. For
|
|
* example: `http://jabber.org/protocol/muc`
|
|
* @param {string} jid The JID of the entity
|
|
* (and its associated items) which should be queried
|
|
* @returns {promise} A promise which resolves with `true` or `false`.
|
|
* @example
|
|
* if (await api.disco.supports(Strophe.NS.MAM, _converse.bare_jid)) {
|
|
* // The feature is supported
|
|
* } else {
|
|
* // The feature is not supported
|
|
* }
|
|
*/
|
|
async supports (feature, jid) {
|
|
const features = await api.disco.features.get(feature, jid);
|
|
return features.length > 0;
|
|
},
|
|
|
|
/**
|
|
* Refresh the features, fields and identities associated with a
|
|
* disco entity by refetching them from the server
|
|
* @method api.disco.refresh
|
|
* @param {string} jid The JID of the entity whose features are refreshed.
|
|
* @returns {promise} A promise which resolves once the features have been refreshed
|
|
* @example
|
|
* await api.disco.refresh('room@conference.example.org');
|
|
*/
|
|
async refresh (jid) {
|
|
if (!jid) {
|
|
throw new TypeError('api.disco.refresh: You need to provide an entity JID');
|
|
}
|
|
await api.waitUntil('discoInitialized');
|
|
let entity = await api.disco.entities.get(jid);
|
|
if (entity) {
|
|
entity.features.reset();
|
|
entity.fields.reset();
|
|
entity.identities.reset();
|
|
if (!entity.waitUntilFeaturesDiscovered.isPending) {
|
|
entity.waitUntilFeaturesDiscovered = utils.getResolveablePromise()
|
|
}
|
|
entity.queryInfo();
|
|
} else {
|
|
// Create it if it doesn't exist
|
|
entity = await api.disco.entities.create(jid, {'ignore_cache': true});
|
|
}
|
|
return entity.waitUntilFeaturesDiscovered;
|
|
},
|
|
|
|
/**
|
|
* @deprecated Use {@link api.disco.refresh} instead.
|
|
* @method api.disco.refreshFeatures
|
|
*/
|
|
refreshFeatures (jid) {
|
|
return api.refresh(jid);
|
|
},
|
|
|
|
/**
|
|
* Return all the features associated with a disco entity
|
|
*
|
|
* @method api.disco.getFeatures
|
|
* @param {string} jid The JID of the entity whose features are returned.
|
|
* @returns {promise} A promise which resolves with the returned features
|
|
* @example
|
|
* const features = await api.disco.getFeatures('room@conference.example.org');
|
|
*/
|
|
async getFeatures (jid) {
|
|
if (!jid) {
|
|
throw new TypeError('api.disco.getFeatures: You need to provide an entity JID');
|
|
}
|
|
await api.waitUntil('discoInitialized');
|
|
let entity = await api.disco.entities.get(jid, true);
|
|
entity = await entity.waitUntilFeaturesDiscovered;
|
|
return entity.features;
|
|
},
|
|
|
|
/**
|
|
* Return all the service discovery extensions fields
|
|
* associated with an entity.
|
|
*
|
|
* See [XEP-0129: Service Discovery Extensions](https://xmpp.org/extensions/xep-0128.html)
|
|
*
|
|
* @method api.disco.getFields
|
|
* @param {string} jid The JID of the entity whose fields are returned.
|
|
* @example
|
|
* const fields = await api.disco.getFields('room@conference.example.org');
|
|
*/
|
|
async getFields (jid) {
|
|
if (!jid) {
|
|
throw new TypeError('api.disco.getFields: You need to provide an entity JID');
|
|
}
|
|
await api.waitUntil('discoInitialized');
|
|
let entity = await api.disco.entities.get(jid, true);
|
|
entity = await entity.waitUntilFeaturesDiscovered;
|
|
return entity.fields;
|
|
},
|
|
|
|
/**
|
|
* Get the identity (with the given category and type) for a given disco entity.
|
|
*
|
|
* For example, when determining support for PEP (personal eventing protocol), you
|
|
* want to know whether the user's own JID has an identity with
|
|
* `category='pubsub'` and `type='pep'` as explained in this section of
|
|
* XEP-0163: https://xmpp.org/extensions/xep-0163.html#support
|
|
*
|
|
* @method api.disco.getIdentity
|
|
* @param {string} The identity category.
|
|
* In the XML stanza, this is the `category`
|
|
* attribute of the `<identity>` element.
|
|
* For example: 'pubsub'
|
|
* @param {string} type The identity type.
|
|
* In the XML stanza, this is the `type`
|
|
* attribute of the `<identity>` element.
|
|
* For example: 'pep'
|
|
* @param {string} jid The JID of the entity which might have the identity
|
|
* @returns {promise} A promise which resolves with a map indicating
|
|
* whether an identity with a given type is provided by the entity.
|
|
* @example
|
|
* api.disco.getIdentity('pubsub', 'pep', _converse.bare_jid).then(
|
|
* function (identity) {
|
|
* if (identity) {
|
|
* // The entity DOES have this identity
|
|
* } else {
|
|
* // The entity DOES NOT have this identity
|
|
* }
|
|
* }
|
|
* ).catch(e => log.error(e));
|
|
*/
|
|
async getIdentity (category, type, jid) {
|
|
const e = await api.disco.entities.get(jid, true);
|
|
if (e === undefined && !api.connection.connected()) {
|
|
// Happens during tests when disco lookups happen asynchronously after teardown.
|
|
const msg = `Tried to look up category ${category} for ${jid} but _converse.disco_entities has been torn down`;
|
|
log.warn(msg);
|
|
return;
|
|
}
|
|
return e.getIdentity(category, type);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
});
|