@directus/api/dist/services/mail/rate-limiter.js

Directus is a real-time API and App dashboard for managing SQL database content

import { useEnv } from '@directus/env';
import { RateLimiterQueue } from 'rate-limiter-flexible';
import { createRateLimiter } from '../../rate-limiter.js';
import { toBoolean } from '@directus/utils';
import { EmailLimitExceededError } from '@directus/errors';
let emailRateLimiterQueue;
const env = useEnv();
if (toBoolean(env['RATE_LIMITER_EMAIL_ENABLED']) === true) {
    emailRateLimiterQueue = new RateLimiterQueue(createRateLimiter('RATE_LIMITER_EMAIL'), {
        maxQueueSize: Number(env['RATE_LIMITER_EMAIL_QUEUE_SIZE']),
    });
}
export async function useEmailRateLimiterQueue() {
    if (!emailRateLimiterQueue)
        return;
    try {
        await emailRateLimiterQueue.removeTokens(1);
    }
    catch (err) {
        if (err instanceof Error) {
            throw new EmailLimitExceededError({
                points: 'RATE_LIMITER_EMAIL_POINTS' in env ? Number(env['RATE_LIMITER_EMAIL_POINTS']) : undefined,
                duration: 'RATE_LIMITER_EMAIL_DURATION' in env ? Number(env['RATE_LIMITER_EMAIL_DURATION']) : undefined,
                message: 'RATE_LIMITER_EMAIL_ERROR_MESSAGE' in env ? String(env['RATE_LIMITER_EMAIL_ERROR_MESSAGE']) : undefined,
            });
        }
        throw err;
    }
}