@directus/api/dist/controllers/metrics.js

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

import { useEnv } from '@directus/env';
import { ForbiddenError } from '@directus/errors';
import { Router } from 'express';
import { useMetrics } from '../metrics/index.js';
import asyncHandler from '../utils/async-handler.js';
const env = useEnv();
const router = Router();
const metrics = useMetrics();
router.get('/', asyncHandler(async (req, _res, next) => {
    if (req.accountability?.admin === true) {
        return next();
    }
    // support Bearer Token of type `Metrics`
    const metricTokens = env['METRICS_TOKENS'];
    if (!req.headers || !req.headers.authorization || !metricTokens) {
        throw new ForbiddenError();
    }
    const parts = req.headers.authorization.split(' ');
    if (parts.length !== 2 || parts[0].toLowerCase() !== 'metrics') {
        throw new ForbiddenError();
    }
    if (metricTokens.find((mt) => mt.toString() === parts[1]) !== undefined) {
        return next();
    }
    throw new ForbiddenError();
}), asyncHandler(async (_req, res) => {
    res.set('Content-Type', 'text/plain');
    // Don't cache anything by default
    res.setHeader('Cache-Control', 'no-cache');
    res.setHeader('Vary', 'Origin, Cache-Control');
    return res.send(await metrics?.readAll());
}));
export default router;