bigbluebutton-Github/bigbluebutton-html5/imports/api/guest-users/server/publishers.js

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import GuestUsers from '/imports/api/guest-users/';
import Users from '/imports/api/users';
import { Meteor } from 'meteor/meteor';
import Logger from '/imports/startup/server/logger';
import AuthTokenValidation, { ValidationStates } from '/imports/api/auth-token-validation';
import { publicationSafeGuard } from '/imports/api/common/server/helpers';
const ROLE_MODERATOR = Meteor.settings.public.user.role_moderator;
async function guestUsers() {
const tokenValidation = await AuthTokenValidation
.findOneAsync({ connectionId: this.connection.id });
if (!tokenValidation || tokenValidation.validationStatus !== ValidationStates.VALIDATED) {
Logger.warn(`Publishing GuestUser was requested by unauth connection ${this.connection.id}`);
return GuestUsers.find({ meetingId: '' });
}
const { meetingId, userId } = tokenValidation;
const User = await Users.findOneAsync({ userId, meetingId }, { fields: { role: 1 } });
if (!User || User.role !== ROLE_MODERATOR) {
Logger.warn(
'Publishing GuestUser was requested by non-moderator connection',
{ meetingId, userId, connectionId: this.connection.id },
);
return GuestUsers.find({ meetingId: '' });
}
// Monitor this publication and stop it when user is not a moderator anymore
const comparisonFunc = async () => {
const user = await Users
.findOneAsync({ userId, meetingId }, { fields: { role: 1, userId: 1 } });
const condition = user.role === ROLE_MODERATOR;
if (!condition) {
Logger.info(`conditions aren't filled anymore in publication ${this._name}:
user.role === ROLE_MODERATOR :${condition}, user.role: ${user.role} ROLE_MODERATOR: ${ROLE_MODERATOR}`);
}
return condition;
};
publicationSafeGuard(comparisonFunc, this);
Logger.debug(`Publishing GuestUsers for ${meetingId} ${userId}`);
return GuestUsers.find({ meetingId });
}
function publish(...args) {
const boundSlides = guestUsers.bind(this);
return boundSlides(...args);
}
Meteor.publish('guestUser', publish);