126 lines
3.2 KiB
JavaScript
126 lines
3.2 KiB
JavaScript
import fs from 'fs/promises'
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import path from 'path'
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import sharp from 'sharp'
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import { getUserFromToken, verifyToken } from '../../utils/auth.js'
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// Handle both dev and production paths
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const getDataPath = (filename) => {
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const cwd = process.cwd()
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if (cwd.endsWith('.output')) {
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return path.join(cwd, '../server/data', filename)
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}
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return path.join(cwd, 'server/data', filename)
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}
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const GALERIE_DIR = getDataPath('galerie')
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const GALERIE_METADATA = getDataPath('galerie-metadata.json')
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async function readGalerieMetadata() {
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try {
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const data = await fs.readFile(GALERIE_METADATA, 'utf-8')
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return JSON.parse(data)
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} catch (error) {
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if (error.code === 'ENOENT') {
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return []
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}
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throw error
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}
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}
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export default defineEventHandler(async (event) => {
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try {
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const imageId = getRouterParam(event, 'id')
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const query = getQuery(event)
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const isPreview = query.preview === 'true'
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if (!imageId) {
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throw createError({
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statusCode: 400,
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statusMessage: 'Bild-ID erforderlich'
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})
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}
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// Prüfe ob Benutzer eingeloggt ist
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let isLoggedIn = false
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const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace('Bearer ', '')
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if (token) {
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const decoded = verifyToken(token)
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if (decoded) {
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const user = await getUserFromToken(token)
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if (user && user.active) {
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isLoggedIn = true
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}
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}
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}
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const metadata = await readGalerieMetadata()
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const image = metadata.find(img => img.id === imageId)
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if (!image) {
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throw createError({
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statusCode: 404,
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statusMessage: 'Bild nicht gefunden'
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})
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}
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// Prüfe Zugriffsberechtigung
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if (!image.isPublic && !isLoggedIn) {
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throw createError({
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statusCode: 403,
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statusMessage: 'Keine Berechtigung zum Anzeigen dieses Bildes'
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})
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}
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// Bestimme Dateipfad
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const filename = isPreview ? image.previewFilename : image.filename
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const subdir = isPreview ? 'previews' : 'originals'
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const filePath = path.join(GALERIE_DIR, subdir, filename)
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// Prüfe ob Datei existiert
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try {
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await fs.access(filePath)
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} catch {
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throw createError({
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statusCode: 404,
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statusMessage: 'Bilddatei nicht gefunden'
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})
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}
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// Bestimme MIME-Type
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const ext = path.extname(filename).toLowerCase()
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const mimeTypes = {
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'.jpg': 'image/jpeg',
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'.jpeg': 'image/jpeg',
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'.png': 'image/png',
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'.gif': 'image/gif',
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'.webp': 'image/webp'
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}
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const contentType = mimeTypes[ext] || 'application/octet-stream'
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// Datei lesen und EXIF-Orientierung korrigieren
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const imageBuffer = await fs.readFile(filePath)
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const correctedBuffer = await sharp(imageBuffer)
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.rotate() // Korrigiert automatisch EXIF-Orientierung
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.toBuffer()
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setHeader(event, 'Content-Type', contentType)
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setHeader(event, 'Cache-Control', 'public, max-age=31536000')
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return correctedBuffer
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} catch (error) {
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console.error('Fehler beim Laden des Bildes:', error)
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if (error.statusCode) {
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throw error
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}
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throw createError({
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statusCode: 500,
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statusMessage: 'Fehler beim Laden des Bildes'
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})
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}
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})
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