Gutschriften: signierte Links fuer Nachweise im Ticketsystem
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -2,6 +2,7 @@ import { Router } from 'express'
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import { config } from '../config.js'
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import { getSessionCustomerId, requireSession } from '../middleware/session.js'
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import { getDocument, listDocuments, Query } from '../services/appwriteAdmin.js'
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import { signFileLink } from '../services/signedLinks.js'
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import {
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answerQuestion,
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applyTakeoverCredit,
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@@ -176,9 +177,21 @@ takeoverAdminRouter.get('/open-count', async (_req, res) => {
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}
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})
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// Nachweise bekommen einen signierten Link (15 min) auf den Team-Eingang: das Ticketsystem oeffnet sie ohne
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// Authorization-Header (routes/team/files.js). Bei jedem Oeffnen des Antrags neu signiert.
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function withSignedFileUrls(detail, now = Date.now()) {
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const id = detail.request.id
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const base = `${config.publicBaseUrl}/api/team/takeover-credits/${encodeURIComponent(id)}/files`
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const files = detail.request.files.map((file) => {
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const { exp, sig } = signFileLink({ kind: 'takeover', customerId: id, id: file.id, now })
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return { ...file, url: `${base}/${encodeURIComponent(file.id)}?exp=${exp}&sig=${sig}` }
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})
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return { ...detail, request: { ...detail.request, files } }
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}
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takeoverAdminRouter.get('/:id', async (req, res) => {
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try {
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return res.json(await getAdminDetail(req.params.id))
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return res.json(withSignedFileUrls(await getAdminDetail(req.params.id)))
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} catch (err) {
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return sendError(res, err, 'Antrag konnte nicht geladen werden')
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}
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@@ -1,9 +1,10 @@
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import { Router } from 'express'
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import { openAttachment, sendAttachment } from '../../services/chatAttachments.js'
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import { verifyFileLink } from '../../services/signedLinks.js'
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import { getTakeoverRequest, readUpload } from '../../services/takeoverCredits.js'
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/**
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* Anhaenge mit signiertem Link (?exp=&sig=, 15 min) ohne JWT ausliefern: <img>, <audio> und Downloads im
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* Chat-Anhaenge und Gutschrift-Nachweise mit signiertem Link (?exp=&sig=, 15 min) ohne JWT ausliefern: <img>, <audio> und Downloads im
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* Ticketsystem koennen keinen Authorization-Header tragen. Ohne sig geht es weiter zur JWT-Pruefung.
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* Eingehaengt in routes/team/index.js VOR requireStaffJwt.
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*/
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@@ -23,4 +24,23 @@ router.get('/chats/:customerId/attachments/:id', async (req, res, next) => {
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}
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})
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// Nachweise einer Uebernahmegutschrift (wie takeoverAdminRouter GET /:id/files/:fileId), signiert ueber die Antrags-ID
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router.get('/takeover-credits/:id/files/:fileId', async (req, res, next) => {
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if (req.query.sig === undefined) return next()
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const { id, fileId } = req.params
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if (!verifyFileLink({ kind: 'takeover', customerId: id, id: fileId, exp: req.query.exp, sig: String(req.query.sig) })) {
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return res.status(403).json({ error: 'Link abgelaufen. Bitte den Antrag neu öffnen.' })
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}
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try {
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const { file, content } = await readUpload(await getTakeoverRequest(id), fileId)
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res.setHeader('Content-Type', file.type)
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res.setHeader('Content-Disposition', `inline; filename*=UTF-8''${encodeURIComponent(file.name)}`)
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res.setHeader('X-Content-Type-Options', 'nosniff')
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res.setHeader('Cache-Control', 'private, no-store')
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return res.send(content)
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} catch (err) {
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return res.status(err.status || 500).send(err.message || 'Datei nicht verfügbar')
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}
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})
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export default router
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@@ -100,3 +100,34 @@ test('ohne JWT 401 fuer alle neuen Pfade', async () => {
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assert.equal((await rawGet(p)).status, 401, p)
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}
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})
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// Task 2: Nachweise per signiertem Link (15 min) – Links im Ticketsystem tragen keinen Authorization-Header
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const FILE_ID = '0b9c2f0e-6d6e-4c1a-9a51-6a3a9d1b2c3d'
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aw.seed('takeoverCredits', {
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// eigener Kunde und entschieden, damit Filter und openCount der anderen Tests gleich bleiben
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$id: 'tc9', customerId: 'c4', email: 'k@example.invalid', services: JSON.stringify(['hosting']), provider: 'IONOS', domain: 'kunde.de',
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invoiceAmountCents: 12000, billingMonths: 12, paidUntil: '2026-12-31T00:00:00.000Z', message: 'x', status: 'abgelehnt', history: '[]',
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takeoverFrom: '2026-10-01T00:00:00.000Z',
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files: JSON.stringify([{ id: FILE_ID, name: 'rechnung.pdf', type: 'application/pdf', ext: 'pdf', size: 9, uploadedAt: '2026-10-01T08:00:00.000Z' }]),
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})
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mkdirSync(path.join(process.env.TAKEOVER_UPLOAD_DIR, 'tc9'), { recursive: true })
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writeFileSync(path.join(process.env.TAKEOVER_UPLOAD_DIR, 'tc9', `${FILE_ID}.pdf`), '%PDF-1.4\n')
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test('Nachweis: signierter Link ohne JWT 200 mit Inhalt, fremder Antrag/abgelaufen 403, ohne sig 401', async (t) => {
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const detail = (await rawGet('/api/team/takeover-credits/tc9', staff)).body
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const url = detail.request.files[0].url
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assert.match(url, new RegExp(`^https://project\\.webklar\\.com/api/team/takeover-credits/tc9/files/${FILE_ID}\\?exp=\\d+&sig=[0-9a-f]{64}$`))
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const u = new URL(url)
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const rel = u.pathname + u.search
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const ok = await fetch(app.url + rel)
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assert.equal(ok.status, 200)
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assert.equal(ok.headers.get('content-type'), 'application/pdf')
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assert.equal(await ok.text(), '%PDF-1.4\n')
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assert.equal((await rawGet(rel.replace('/tc9/', '/tc1/'))).status, 403)
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assert.equal((await rawGet(u.pathname)).status, 401)
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const now = Date.now()
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t.mock.method(Date, 'now', () => now + 16 * 60 * 1000)
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const expired = await rawGet(rel)
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assert.equal(expired.status, 403)
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assert.equal(expired.body.error, 'Link abgelaufen. Bitte den Antrag neu öffnen.')
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})
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