101 lines
4.5 KiB
JavaScript
101 lines
4.5 KiB
JavaScript
// Converse.js
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// https://conversejs.org
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//
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// Copyright (c) 2019, the Converse.js developers
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// Licensed under the Mozilla Public License (MPLv2)
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import "./converse-disco";
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import converse from "./converse-core";
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const { Strophe, Backbone, Promise, $iq, $build, $msg, $pres, f, moment, _ } = converse.env;
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Strophe.addNamespace('PUBSUB_ERROR', Strophe.NS.PUBSUB+"#errors");
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converse.plugins.add('converse-pubsub', {
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dependencies: ["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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const { _converse } = this,
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{ __ } = _converse;
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/************************ BEGIN API ************************/
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// We extend the default converse.js API to add methods specific to MUC groupchats.
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_.extend(_converse.api, {
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/**
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* The "pubsub" namespace groups methods relevant to PubSub
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*
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* @namespace _converse.api.pubsub
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* @memberOf _converse.api
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*/
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'pubsub': {
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/**
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* Publshes an item to a PubSub node
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*
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* @method _converse.api.pubsub.publish
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* @param {string} jid The JID of the pubsub service where the node resides.
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* @param {string} node The node being published to
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* @param {Strophe.Builder} item The Strophe.Builder representation of the XML element being published
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* @param {object} options An object representing the publisher options
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* (see https://xmpp.org/extensions/xep-0060.html#publisher-publish-options)
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* @param {boolean} strict_options Indicates whether the publisher
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* options are a strict requirement or not. If they're NOT
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* strict, then Converse will publish to the node even if
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* the publish options precondication cannot be met.
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*/
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async 'publish' (jid, node, item, options, strict_options=true) {
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const stanza = $iq({
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'from': _converse.bare_jid,
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'type': 'set',
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'to': jid
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}).c('pubsub', {'xmlns': Strophe.NS.PUBSUB})
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.c('publish', {'node': node})
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.cnode(item.tree()).up().up();
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if (options) {
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jid = jid || _converse.bare_jid;
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const result = await _converse.api.disco.supports(Strophe.NS.PUBSUB + '#publish-options', jid);
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if (result.length) {
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stanza.c('publish-options')
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.c('x', {'xmlns': Strophe.NS.XFORM, 'type': 'submit'})
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.c('field', {'var': 'FORM_TYPE', 'type': 'hidden'})
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.c('value').t(`${Strophe.NS.PUBSUB}#publish-options`).up().up()
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Object.keys(options).forEach(k => stanza.c('field', {'var': k}).c('value').t(options[k]).up().up());
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} else {
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_converse.log(`_converse.api.publish: ${jid} does not support #publish-options, `+
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`so we didn't set them even though they were provided.`)
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}
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}
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try {
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_converse.api.sendIQ(stanza);
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} catch (iq) {
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if (iq instanceof Element &&
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strict_options &&
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iq.querySelector(`precondition-not-met[xmlns="${Strophe.NS.PUBSUB_ERROR}"]`)) {
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// The publish-options precondition couldn't be
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// met. We re-publish but without publish-options.
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const el = stanza.nodeTree;
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el.querySelector('publish-options').outerHTML = '';
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_converse.log(
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`PubSub: Republishing without publish options. ${el.outerHTML}`,
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Strophe.LogLevel.WARN
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);
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_converse.api.sendIQ(el);
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} else {
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throw iq;
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}
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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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