RocketChat/Rocket.Chat

import type { ServerMethods } from '@rocket.chat/ddp-client';
import { check } from 'meteor/check';
import { Meteor } from 'meteor/meteor';

import { checkUsernameAvailabilityWithValidation } from '../functions/checkUsernameAvailability';
import { RateLimiter } from '../lib';
import { methodDeprecationLogger } from '../lib/deprecationWarningLogger';

declare module '@rocket.chat/ddp-client' {
    // eslint-disable-next-line @typescript-eslint/naming-convention
    interface ServerMethods {
        checkUsernameAvailability(username: string): boolean;
    }
}

Meteor.methods<ServerMethods>({
    async checkUsernameAvailability(username) {
        methodDeprecationLogger.method('checkUsernameAvailability', '7.0.0');

        check(username, String);
        const userId = Meteor.userId();
        if (!userId) {
            throw new Meteor.Error('error-invalid-user', 'Invalid user', { method: 'checkUsernameAvailability' });
        }

        return checkUsernameAvailabilityWithValidation(userId, username);
    },
});

RateLimiter.limitMethod('checkUsernameAvailability', 1, 1000, {
    userId() {
        return true;
    },
});