import {customDomainUsed, getDomain, getHost} from "~/lib/utils.js"; /** * Added by Caddy when proxying to the app * @type {string} */ const customDomainHeaderName = 'user-custom-domain' /** * List of routes that can be used with a custom domain * @type {string[]} */ const customDomainAllowedRoutes = ['forms-slug'] function redirectToMainDomain(details = {}) { console.warn('Redirecting to main domain', { reason: 'unknown', ...details}) return navigateTo(useRuntimeConfig().public.appUrl + '?utm_source=failed_custom_domain_redirect', { redirectCode: 301, external: true }) } export default defineNuxtRouteMiddleware((to, from) => { if (!customDomainUsed()) return const config = useRuntimeConfig() const customDomainHeaderValue = useRequestHeaders()[customDomainHeaderName] if (process.server && (!customDomainHeaderValue || customDomainHeaderValue !== getDomain(getHost()))) { return redirectToMainDomain( { reason: 'header_mismatch', customDomainHeaderValue: customDomainHeaderValue, host: getDomain(getHost()), }) } if (!config.public.customDomainsEnabled) { // If custom domain not allowed, redirect return redirectToMainDomain({ reason: 'custom_domains_disabled' }) } if (!customDomainAllowedRoutes.includes(to.name)) { // Custom domain only allowed for form url return redirectToMainDomain({ reason: 'route_not_allowed' }) } })