@directus/api/dist/utils/should-skip-cache.js

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

import { useEnv } from '@directus/env';
import url from 'url';
import { Url } from './url.js';
import { getEndpoint } from '@directus/utils';
/**
 * Whether to skip caching for the current request
 *
 * @param req Express request object
 */
export function shouldSkipCache(req) {
    const env = useEnv();
    // Always skip cache for requests coming from the data studio based on Referer header
    const referer = req.get('Referer');
    if (referer) {
        const adminUrl = new Url(env['PUBLIC_URL']).addPath('admin');
        if (adminUrl.isRootRelative()) {
            const refererUrl = new Url(referer);
            if (refererUrl.path.join('/').startsWith(adminUrl.path.join('/')) && checkAutoPurge())
                return true;
        }
        else if (referer.startsWith(adminUrl.toString()) && checkAutoPurge()) {
            return true;
        }
    }
    if (env['CACHE_SKIP_ALLOWED'] && req.get('cache-control')?.includes('no-store'))
        return true;
    return false;
    function checkAutoPurge() {
        if (env['CACHE_AUTO_PURGE'] === false)
            return true;
        const path = url.parse(req.originalUrl).pathname;
        if (!path)
            return false;
        for (const collection of env['CACHE_AUTO_PURGE_IGNORE_LIST']) {
            const ignoredPath = getEndpoint(collection);
            if (path.startsWith(ignoredPath)) {
                return true;
            }
        }
        return false;
    }
}