opnform/client/middleware/custom-domain.global.js

49 lines
1.4 KiB
JavaScript

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'
})
}
})