@jsxc/jsxc/src/connection/xmpp/handler.ts

Real-time XMPP chat application with video calls, file transfer and encrypted communication

import Log from '../../util/Log';
import Account from '../../Account';
import PresenceHandler from './handlers/presence';
import MultiUserPresenceHandler from './handlers/multiUser/Presence';
import ChatMessageHandler from './handlers/chatMessage';
import ErrorMessageHandler from './handlers/errorMessage';
import MultiUserChatMessageHandler from './handlers/multiUser/groupChatMessage';
import HeadlineMessageHandler from './handlers/headlineMessage';
import JingleHandler from './handlers/jingle';
import { DiscoInfoHandler, DiscoItemsHandler } from './handlers/disco';
import CapsHandler from './handlers/caps';
import MultiUserDirectInvitationHandler from './handlers/multiUser/DirectInvitation';
import MultiUserXMessageHandler from './handlers/multiUser/XMessage';
import AbstractHandler from './AbstractHandler';
import * as NS from './namespace';

type StropheHandlerOptions = {
   matchBareFromJid?: boolean;
   ignoreNamespaceFragment?: boolean;
};

interface IStropheConnection {
   jid: string;
   addHandler(
      Handler,
      namespace?: string,
      tagName?: string,
      type?: string,
      id?: string,
      from?: string,
      options?: StropheHandlerOptions
   ): void;
}

export default class XMPPHandler {
   constructor(private account: Account, private connection: IStropheConnection) {}

   public registerHandler() {
      this.addHandler(ChatMessageHandler, null, 'message', 'chat');
      this.addHandler(ErrorMessageHandler, null, 'message', 'error');
      this.addHandler(MultiUserChatMessageHandler, null, 'message', 'groupchat');
      this.addHandler(HeadlineMessageHandler, null, 'message', 'headline');
      this.addHandler(MultiUserXMessageHandler, 'http://jabber.org/protocol/muc#user', 'message');
      this.addHandler(PresenceHandler, null, 'presence');
      this.addHandler(MultiUserPresenceHandler, 'http://jabber.org/protocol/muc', 'presence', null, null, null, {
         ignoreNamespaceFragment: true,
      });
      this.addHandler(JingleHandler, 'urn:xmpp:jingle:1', 'iq', 'set');

      this.addHandler(DiscoInfoHandler, NS.get('DISCO_INFO'), 'iq', 'get');
      this.addHandler(DiscoItemsHandler, NS.get('DISCO_ITEMS'), 'iq', 'get');

      this.addHandler(MultiUserDirectInvitationHandler, 'jabber:x:conference', 'message');

      this.addHandler(CapsHandler, CapsHandler.NAMESPACE);
      // this.connection.conn.addHandler(this.onReceived, null, 'message');
   }

   public addHandler(
      Handler,
      namespace?: string,
      tagName?: string,
      type?: string,
      id?: string,
      from?: string,
      options?: StropheHandlerOptions
   ) {
      let handler = new Handler(this.account);

      if (!(handler instanceof AbstractHandler)) {
         Log.warn('Invalid handler');
         return;
      }

      this.connection.addHandler(stanza => handler.processStanza(stanza), namespace, tagName, type, id, from, options);
   }
}