xmpp.chapril.org-conversejs/src/headless/plugins/caps.js

57 lines
1.8 KiB
JavaScript

/**
* @module converse-caps
* @copyright 2020, the Converse.js contributors
* @license Mozilla Public License (MPLv2)
*/
import SHA1 from 'strophe.js/src/sha1';
import { converse } from "@converse/headless/core";
const { Strophe, $build } = converse.env;
Strophe.addNamespace('CAPS', "http://jabber.org/protocol/caps");
function propertySort (array, property) {
return array.sort((a, b) => { return a[property] > b[property] ? -1 : 1 });
}
function generateVerificationString (_converse) {
const identities = _converse.api.disco.own.identities.get();
const features = _converse.api.disco.own.features.get();
if (identities.length > 1) {
propertySort(identities, "category");
propertySort(identities, "type");
propertySort(identities, "lang");
}
let S = identities.reduce((result, id) => `${result}${id.category}/${id.type}/${id?.lang ?? ''}/${id.name}<`, "");
features.sort();
S = features.reduce((result, feature) => `${result}${feature}<`, S);
return SHA1.b64_sha1(S);
}
function createCapsNode (_converse) {
return $build("c", {
'xmlns': Strophe.NS.CAPS,
'hash': "sha-1",
'node': "https://conversejs.org",
'ver': generateVerificationString(_converse)
}).nodeTree;
}
converse.plugins.add('converse-caps', {
overrides: {
// Overrides mentioned here will be picked up by converse.js's
// plugin architecture they will replace existing methods on the
// relevant objects or classes.
XMPPStatus: {
constructPresence () {
const presence = this.__super__.constructPresence.apply(this, arguments);
presence.root().cnode(createCapsNode(this.__super__._converse)).up();
return presence;
}
}
}
});