209 lines
5.7 KiB
JavaScript
209 lines
5.7 KiB
JavaScript
import multer from 'multer'
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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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import { randomUUID } from 'crypto'
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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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// Multer-Konfiguration für Bild-Uploads
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// Temporärer Dateiname, wird später basierend auf Titel umbenannt
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const storage = multer.diskStorage({
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destination: async (req, file, cb) => {
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try {
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await fs.mkdir(GALERIE_DIR, { recursive: true })
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await fs.mkdir(path.join(GALERIE_DIR, 'originals'), { recursive: true })
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await fs.mkdir(path.join(GALERIE_DIR, 'previews'), { recursive: true })
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cb(null, path.join(GALERIE_DIR, 'originals'))
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} catch (error) {
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cb(error)
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}
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},
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filename: (req, file, cb) => {
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// Temporärer Dateiname, wird später umbenannt
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const ext = path.extname(file.originalname)
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const tempFilename = `temp_${randomUUID()}${ext}`
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cb(null, tempFilename)
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}
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})
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const upload = multer({
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storage,
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fileFilter: (req, file, cb) => {
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const allowedMimes = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif', 'image/webp']
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if (allowedMimes.includes(file.mimetype)) {
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cb(null, true)
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} else {
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cb(new Error('Nur Bilddateien sind erlaubt (JPEG, PNG, GIF, WebP)'), false)
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}
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},
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limits: {
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fileSize: 10 * 1024 * 1024 // 10MB Limit
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}
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})
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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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async function writeGalerieMetadata(metadata) {
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await fs.writeFile(GALERIE_METADATA, JSON.stringify(metadata, null, 2), 'utf-8')
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}
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export default defineEventHandler(async (event) => {
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try {
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// Authentifizierung prüfen
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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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throw createError({
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statusCode: 401,
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statusMessage: 'Nicht authentifiziert'
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})
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}
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const decoded = verifyToken(token)
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if (!decoded) {
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throw createError({
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statusCode: 401,
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statusMessage: 'Ungültiges Token'
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})
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}
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const user = await getUserFromToken(token)
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if (!user || (user.role !== 'admin' && user.role !== 'vorstand')) {
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throw createError({
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statusCode: 403,
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statusMessage: 'Keine Berechtigung zum Hochladen von Bildern'
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})
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}
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// Multer-Middleware für multipart/form-data
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await new Promise((resolve, reject) => {
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upload.single('image')(event.node.req, event.node.res, (err) => {
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if (err) reject(err)
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else resolve()
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})
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})
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const file = event.node.req.file
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const body = event.node.req.body || {}
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const isPublic = body.isPublic === 'true' || body.isPublic === true
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if (!file) {
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throw createError({
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statusCode: 400,
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statusMessage: 'Keine Bilddatei hochgeladen'
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})
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}
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// Titel ist Pflichtfeld
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if (!body.title || !body.title.trim()) {
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// Lösche die hochgeladene Datei
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await fs.unlink(file.path).catch(() => {})
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throw createError({
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statusCode: 400,
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statusMessage: 'Titel ist ein Pflichtfeld'
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})
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}
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// Generiere Dateinamen basierend auf Titel
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const titleSlug = body.title.trim()
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.toLowerCase()
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.replace(/[^a-z0-9]+/g, '-')
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.replace(/^-+|-+$/g, '')
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.substring(0, 100) // Max 100 Zeichen
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const ext = path.extname(file.originalname)
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const filename = `${titleSlug}_${randomUUID().substring(0, 8)}${ext}`
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const previewFilename = `preview_${filename}`
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// Verschiebe die Datei zum neuen Namen
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const originalPath = path.join(GALERIE_DIR, 'originals', filename)
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await fs.rename(file.path, originalPath)
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const previewPath = path.join(GALERIE_DIR, 'previews', previewFilename)
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// Thumbnail erstellen (150x150px) mit automatischer EXIF-Orientierungskorrektur
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await sharp(originalPath)
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.rotate() // Korrigiert automatisch EXIF-Orientierung
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.resize(150, 150, {
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fit: 'inside',
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withoutEnlargement: true
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})
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.toFile(previewPath)
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// Metadaten speichern
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const metadata = await readGalerieMetadata()
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const newImage = {
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id: randomUUID(),
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filename,
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previewFilename,
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title: body.title.trim(),
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description: body.description || '',
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isPublic,
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uploadedBy: user.id,
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uploadedAt: new Date().toISOString(),
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originalName: file.originalname
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}
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metadata.push(newImage)
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await writeGalerieMetadata(metadata)
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return {
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success: true,
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message: 'Bild erfolgreich hochgeladen',
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image: {
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id: newImage.id,
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title: newImage.title,
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isPublic: newImage.isPublic
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}
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}
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} catch (error) {
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console.error('Fehler beim Bild-Upload:', error)
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if (error.statusCode) {
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throw error
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}
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if (error.code === 'LIMIT_FILE_SIZE') {
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throw createError({
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statusCode: 413,
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statusMessage: 'Datei zu groß (max. 10MB)'
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})
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}
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if (error.message && error.message.includes('Nur Bilddateien')) {
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throw createError({
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statusCode: 400,
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statusMessage: error.message
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})
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}
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throw createError({
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statusCode: 500,
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statusMessage: 'Fehler beim Hochladen des Bildes'
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})
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}
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})
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