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