Geheimer Vorschau-Link: /vorschau/<subdomain>/<token> setzt ein Cookie nur fuer diese Preview
- websiteProjects.shareToken (scripts/vorschau-link-setup.mjs) - POST/DELETE /api/admin/website-projects/:id/vorschau-link fuer Mitarbeiter (neu erzeugen / abschalten) - GET /api/vorschau-link/pruefen fuer die Login-Pruefung der Previews (preview-portal /auth/verify) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -41,6 +41,7 @@ import { minutenJob as shopMinutenJob, stuendlicherJob as shopStuendlicherJob, t
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import { zeitenAboJob, zeitenErinnerungsJob } from './services/zeiten/jobs.js'
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import giteaWebhookRoutes from './routes/webhook/gitea.js'
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import pushTimeRoutes from './routes/pushTime.js'
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import { vorschauLinkSeite, vorschauLinkPruefung } from './routes/vorschauLink.js'
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import adminGiteaRoutes from './routes/admin/gitea.js'
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import adminPreviewRoutes from './routes/admin/preview.js'
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import adminWebsiteProjectsRoutes from './routes/admin/websiteProjects.js'
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@@ -132,6 +133,9 @@ app.use('/api/admin/finanzen', adminFinanzenRoutes)
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app.use('/webhook', giteaWebhookRoutes)
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// Push-Zeitmail: Zeit eines Git-Pushes per Link aus der Mail eintragen (ohne Login, signierter Token)
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app.use('/zeit', express.urlencoded({ extended: false, limit: '4kb' }), pushTimeRoutes)
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// Geheimer Vorschau-Link: Seite ohne Login (Cookie + Weiterleitung) und Pruefung fuer die Preview-Anmeldung
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app.use('/vorschau', vorschauLinkSeite())
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app.use('/api/vorschau-link', vorschauLinkPruefung())
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app.get('/api/health', async (_req, res) => {
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const dbAccess = await verifyDatabaseAccess()
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@@ -7,6 +7,7 @@ import {
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import { assignProject, reconcileProject } from '../../services/projectAssignment.js'
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import { completeAssignment } from '../../services/projectKindAssign.js'
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import { requireAppwriteTeam } from '../../middleware/appwriteStaff.js'
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import { renewShareLink, removeShareLink } from '../../services/vorschauLink.js'
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const router = Router()
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@@ -127,4 +128,21 @@ router.post('/:id/pushes', async (req, res) => {
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}
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})
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// Geheimer Vorschau-Link: neu erzeugen (alter Link wird ungueltig) oder abschalten
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router.post('/:id/vorschau-link', async (req, res) => {
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try {
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return res.json({ ok: true, ...(await renewShareLink(req.params.id)) })
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} catch (err) {
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return res.status(err.status || 500).json({ error: err.message || 'Link konnte nicht erzeugt werden' })
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}
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})
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router.delete('/:id/vorschau-link', async (req, res) => {
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try {
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return res.json({ ok: true, ...(await removeShareLink(req.params.id)) })
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} catch (err) {
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return res.status(err.status || 500).json({ error: err.message || 'Link konnte nicht abgeschaltet werden' })
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}
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})
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export default router
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@@ -0,0 +1,59 @@
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import { Router } from 'express'
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import { checkShare, cookieName, previewUrl, shareCookieOptions } from '../services/vorschauLink.js'
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// Geheimer Vorschau-Link, siehe services/vorschauLink.js
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function seite(res, status, titel, text) {
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res
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.status(status)
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.set('Cache-Control', 'no-store')
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.set('X-Robots-Tag', 'noindex, nofollow')
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.type('html')
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.send(`<!doctype html>
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<html lang="de"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="robots" content="noindex, nofollow"><title>${titel}</title>
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<style>body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#f6f7fb;color:#1a1f36;margin:0;display:grid;place-items:center;min-height:100vh;padding:16px;box-sizing:border-box}
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main{background:#fff;border-radius:12px;padding:32px;max-width:420px;box-shadow:0 1px 3px rgba(0,0,0,.08)}h1{font-size:20px;margin:0 0 12px}p{margin:0;line-height:1.5;color:#4f566b}</style>
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</head><body><main><h1>${titel}</h1><p>${text}</p></main></body></html>`)
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}
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/** Seite: GET /vorschau/:subdomain/:token -> Cookie setzen und auf die Preview weiterleiten */
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export function vorschauLinkSeite() {
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const router = Router()
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router.get('/:subdomain/:token', async (req, res) => {
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let result
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try {
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result = await checkShare(req.params.subdomain, req.params.token)
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} catch (err) {
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console.error('[vorschau-link] Pruefung fehlgeschlagen:', err.message)
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return seite(res, 500, 'Vorschau nicht erreichbar', 'Bitte in ein paar Minuten noch einmal versuchen.')
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}
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if (result.reason === 'not_ready') {
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return seite(res, 503, 'Vorschau wird vorbereitet', 'Die Seite wird gerade gebaut. Bitte in ein paar Minuten noch einmal versuchen.')
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}
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if (!result.allowed) {
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return seite(res, 404, 'Link nicht gültig', 'Dieser Vorschau-Link ist nicht (mehr) gültig. Bitte frag bei WEBklar nach einem neuen Link.')
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}
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res.cookie(cookieName(result.subdomain), req.params.token, shareCookieOptions())
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res.set('Cache-Control', 'no-store')
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res.set('Referrer-Policy', 'no-referrer')
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return res.redirect(302, previewUrl(result.subdomain))
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})
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return router
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}
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/** Fuer die Login-Pruefung der Previews: GET /api/vorschau-link/pruefen?subdomain=..., Header x-vorschau-token */
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export function vorschauLinkPruefung() {
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const router = Router()
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router.get('/pruefen', async (req, res) => {
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res.set('Cache-Control', 'no-store')
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try {
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const result = await checkShare(req.query.subdomain, req.get('x-vorschau-token'))
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return res.status(result.allowed ? 200 : 403).json({ allowed: result.allowed, reason: result.reason })
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} catch (err) {
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console.error('[vorschau-link] Pruefung fehlgeschlagen:', err.message)
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return res.status(500).json({ allowed: false })
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}
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})
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return router
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}
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@@ -0,0 +1,119 @@
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/**
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* Geheimer Vorschau-Link (2026-10-26): Wer den Link kennt, sieht die Preview-Seite eines Projekts
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* ohne Login. Der Link ist nirgends verlinkt, nur Mitarbeiter sehen ihn im Ticket.
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*
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* Ablauf:
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* 1. WOMS erzeugt den Link (POST /api/admin/website-projects/:id/vorschau-link) -> websiteProjects.shareToken
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* 2. Besucher oeffnet https://project.webklar.com/vorschau/<subdomain>/<token>
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* -> Cookie wk_vorschau_<subdomain>=<token> fuer .project.webklar.com, Weiterleitung auf die Subdomain
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* 3. Die Login-Pruefung der Previews (preview-portal /auth/verify) fragt bei jedem Aufruf
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* GET /api/vorschau-link/pruefen?subdomain=... mit dem Cookie-Wert im Header x-vorschau-token
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*
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* Ein neuer Link oder "Abschalten" macht alte Links und Cookies sofort ungueltig (nach hoechstens CACHE_MS).
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*/
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import crypto from 'node:crypto'
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import { config } from '../config.js'
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import { getDocument, listDocuments, updateDocument, Query } from './appwriteAdmin.js'
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import { isPreviewProjectReady } from './previewReadiness.js'
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export const COOKIE_PREFIX = 'wk_vorschau_'
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export const COOKIE_MAX_AGE_SEC = 30 * 24 * 60 * 60
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const CACHE_MS = 15 * 1000
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const SUBDOMAIN = /^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?$/
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const TOKEN = /^[A-Za-z0-9_-]{20,64}$/
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export function newShareToken() {
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return crypto.randomBytes(18).toString('base64url')
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}
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export function cleanSubdomain(value) {
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const s = String(value || '').trim().toLowerCase()
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return SUBDOMAIN.test(s) ? s : ''
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}
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export function cleanToken(value) {
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const t = String(value || '').trim()
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return TOKEN.test(t) ? t : ''
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}
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export function cookieName(subdomain) {
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return `${COOKIE_PREFIX}${subdomain}`
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}
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export function shareUrl(subdomain, token) {
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return `${config.publicBaseUrl}/vorschau/${subdomain}/${token}`
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}
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export function previewUrl(subdomain) {
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return `https://${subdomain}.${config.preview.baseHost}/`
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}
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export function shareCookieOptions() {
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return {
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domain: config.preview.cookieDomain,
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path: '/',
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httpOnly: true,
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secure: process.env.NODE_ENV === 'production',
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sameSite: 'lax',
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maxAge: COOKIE_MAX_AGE_SEC * 1000,
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}
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}
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function sameToken(a, b) {
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const x = Buffer.from(String(a))
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const y = Buffer.from(String(b))
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return x.length === y.length && crypto.timingSafeEqual(x, y)
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}
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// Die Pruefung laeuft bei jedem Bild/Skript der Seite: kurz merken statt jedes Mal Appwrite fragen
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const cache = new Map()
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export function clearShareCache() {
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cache.clear()
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}
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async function projectBySubdomain(subdomain) {
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const hit = cache.get(subdomain)
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if (hit && hit.until > Date.now()) return hit.project
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const docs = await listDocuments(config.collections.websiteProjects, [
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Query.equal('subdomain', subdomain),
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Query.limit(1),
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])
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const project = docs[0] || null
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cache.set(subdomain, { project, until: Date.now() + CACHE_MS })
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if (cache.size > 500) cache.delete(cache.keys().next().value)
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return project
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}
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/** { allowed, reason } - reason: bad_request | no_link | not_ready */
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export async function checkShare(subdomainRaw, tokenRaw) {
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const subdomain = cleanSubdomain(subdomainRaw)
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const token = cleanToken(tokenRaw)
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if (!subdomain || !token) return { allowed: false, reason: 'bad_request' }
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const project = await projectBySubdomain(subdomain)
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if (!project || project.archived || !project.shareToken || !sameToken(project.shareToken, token)) {
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return { allowed: false, reason: 'no_link' }
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}
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if (!isPreviewProjectReady(project)) return { allowed: false, reason: 'not_ready' }
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return { allowed: true, subdomain }
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}
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/** Neuer Link (ersetzt einen alten). Wirft 404/409 mit status. */
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export async function renewShareLink(projectId) {
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const project = await getDocument(config.collections.websiteProjects, projectId).catch(() => null)
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if (!project) throw Object.assign(new Error('Projekt nicht gefunden'), { status: 404 })
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const subdomain = cleanSubdomain(project.subdomain)
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if (!subdomain) throw Object.assign(new Error('Das Projekt hat keine Preview-Subdomain.'), { status: 409 })
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const token = newShareToken()
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await updateDocument(config.collections.websiteProjects, projectId, { shareToken: token })
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clearShareCache()
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return { shareToken: token, url: shareUrl(subdomain, token) }
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}
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export async function removeShareLink(projectId) {
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const project = await getDocument(config.collections.websiteProjects, projectId).catch(() => null)
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if (!project) throw Object.assign(new Error('Projekt nicht gefunden'), { status: 404 })
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await updateDocument(config.collections.websiteProjects, projectId, { shareToken: '' })
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clearShareCache()
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return { shareToken: '' }
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}
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