@hsaadawy/ngx-chat
Version:
27 lines • 4.74 kB
JavaScript
import { xml } from '@xmpp/client';
import { id } from '../../../../core/id-generator';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
/**
* https://xmpp.org/extensions/xep-0359.html
*/
export class MessageUuidPlugin extends AbstractXmppPlugin {
static extractIdFromStanza(messageStanza) {
const originIdElement = messageStanza.getChild('origin-id');
const stanzaIdElement = messageStanza.getChild('stanza-id');
return messageStanza.attrs.id || (originIdElement && originIdElement.attrs.id) || (stanzaIdElement && stanzaIdElement.attrs.id);
}
beforeSendMessage(messageStanza, message) {
const generatedId = id();
messageStanza.children.push(xml('origin-id', { xmlns: 'urn:xmpp:sid:0', id: generatedId }));
if (message) {
message.id = generatedId;
}
}
afterSendMessage(message, messageStanza) {
message.id = MessageUuidPlugin.extractIdFromStanza(messageStanza);
}
afterReceiveMessage(message, messageStanza) {
message.id = MessageUuidPlugin.extractIdFromStanza(messageStanza);
}
}
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