Générateur de portfolios PDF Figures Libres (app Nuxt autonome)

App Nuxt 3 + Nuxt UI qui lit les projets du CMS Grav et compose des portfolios
A3 paysage exportés en PDF (gabarit book_v3) : composeur WYSIWYG, templates
cover/toc/projet/grille/page libre, pipeline Playwright + Ghostscript, gel du
contenu à la génération, partage public opt-in.

Dépôt autonome : Dockerfile (base Playwright + Ghostscript + ffmpeg + rsync) inclus.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

server/api/exports/[file].get.ts

@@ -0,0 +1,22 @@
+import { createReadStream } from 'node:fs'
+import { stat } from 'node:fs/promises'
+import { join, normalize } from 'node:path'
+
+export default defineEventHandler(async (event) => {
+  const file = decodeURIComponent(getRouterParam(event, 'file') ?? '')
+  const exportsDir = join(useRuntimeConfig(event).dataDir, 'exports')
+  const abs = normalize(join(exportsDir, file))
+  if (!abs.startsWith(normalize(exportsDir) + '/') || !abs.endsWith('.pdf')) {
+    throw createError({ statusCode: 400, statusMessage: 'Fichier invalide' })
+  }
+  let s
+  try {
+    s = await stat(abs)
+  } catch {
+    throw createError({ statusCode: 404, statusMessage: 'Export introuvable' })
+  }
+  setHeader(event, 'Content-Type', 'application/pdf')
+  setHeader(event, 'Content-Length', s.size)
+  setHeader(event, 'Content-Disposition', `attachment; filename="${file.replace(/"/g, '')}"`)
+  return sendStream(event, createReadStream(abs))
+})