bigbluebutton-Github/bigbluebutton-html5/imports/api/voice-users/server/methods/muteToggle.js

import { Meteor } from 'meteor/meteor';
import { extractCredentials } from '/imports/api/common/server/helpers';
import RedisPubSub from '/imports/startup/server/redis';
import Users from '/imports/api/users';
import VoiceUsers from '/imports/api/voice-users';
import Meetings from '/imports/api/meetings';
import Logger from '/imports/startup/server/logger';
import { check } from 'meteor/check';

export default function muteToggle(uId, toggle) {
  try {
    const REDIS_CONFIG = Meteor.settings.private.redis;
    const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
    const EVENT_NAME = 'MuteUserCmdMsg';

    const { meetingId, requesterUserId } = extractCredentials(this.userId);

    check(meetingId, String);
    check(requesterUserId, String);

    const userToMute = uId || requesterUserId;

    const requester = Users.findOne({
      meetingId,
      userId: requesterUserId,
    });

    const voiceUser = VoiceUsers.findOne({
      intId: userToMute,
      meetingId,
    });

    if (!requester || !voiceUser) return;

    const { listenOnly, muted } = voiceUser;
    if (listenOnly) return;

    // if allowModsToUnmuteUsers is false, users will be kicked out for attempting to unmute others
    if (requesterUserId !== userToMute && muted) {
      const meeting = Meetings.findOne({ meetingId },
        { fields: { 'usersProp.allowModsToUnmuteUsers': 1 } });
      if (meeting.usersProp && !meeting.usersProp.allowModsToUnmuteUsers) {
        Logger.warn(`Attempted unmuting by another user meetingId:${meetingId} requester: ${requesterUserId} userId: ${userToMute}`);
        return;
      }
    }

    let _muted;

    if ((toggle === undefined) || (toggle === null)) {
      _muted = !muted;
    } else {
      _muted = !!toggle;
    }

    const payload = {
      userId: userToMute,
      mutedBy: requesterUserId,
      mute: _muted,
    };

    RedisPubSub.publishUserMessage(CHANNEL, EVENT_NAME, meetingId, requesterUserId, payload);
  } catch (err) {
    Logger.error(`Exception while invoking method muteToggle ${err.stack}`);
  }
}