@hsaadawy/ngx-chat
Version:
54 lines • 9.46 kB
JavaScript
import { __awaiter } from "tslib";
import { xml } from '@xmpp/client';
import { Direction } from '../../../../core/message';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
import { MessageReceivedEvent } from './message.plugin';
/**
* XEP-0280 Message Carbons
*/
export class MessageCarbonsPlugin extends AbstractXmppPlugin {
constructor(xmppChatAdapter) {
super();
this.xmppChatAdapter = xmppChatAdapter;
}
onBeforeOnline() {
return __awaiter(this, void 0, void 0, function* () {
return yield this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'set' }, xml('enable', { xmlns: 'urn:xmpp:carbons:2' })));
});
}
handleStanza(stanza) {
const receivedOrSentElement = stanza.getChildByAttr('xmlns', 'urn:xmpp:carbons:2');
const forwarded = receivedOrSentElement && receivedOrSentElement.getChild('forwarded', 'urn:xmpp:forward:0');
const messageElement = forwarded && forwarded.getChild('message', 'jabber:client');
const carbonFrom = stanza.attrs.from;
const userJid = this.xmppChatAdapter.chatConnectionService.userJid;
if (stanza.is('message') && receivedOrSentElement && forwarded && messageElement && userJid
&& userJid.bare().toString() === carbonFrom) {
return this.handleCarbonMessageStanza(messageElement, receivedOrSentElement);
}
return false;
}
handleCarbonMessageStanza(messageElement, receivedOrSent) {
const direction = receivedOrSent.is('received') ? Direction.in : Direction.out;
const message = {
body: messageElement.getChildText('body').trim(),
direction,
datetime: new Date(),
delayed: false,
fromArchive: false,
};
const messageReceivedEvent = new MessageReceivedEvent();
this.xmppChatAdapter.plugins.forEach(plugin => plugin.afterReceiveMessage(message, messageElement, messageReceivedEvent));
if (!messageReceivedEvent.discard) {
const { from, to } = messageElement.attrs;
const contactJid = direction === Direction.in ? from : to;
const contact = this.xmppChatAdapter.getOrCreateContactById(contactJid);
contact.addMessage(message);
if (direction === Direction.in) {
this.xmppChatAdapter.message$.next(contact);
}
}
return true;
}
}
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