Files
picpeak/backend/package.json
T
Paul Nothaft 1b717ce5ed feat: native S3 storage backend (#328) + presigned download follow-up
Lets PicPeak write photos, thumbnails, hero images, watermarks, and
archive zips to any S3-compatible bucket (AWS S3, MinIO, Cloudflare R2,
Backblaze B2, Wasabi, DigitalOcean Spaces) instead of the local
filesystem. Selected via STORAGE_BACKEND=local|s3.

Architecture
- backend/src/services/storage/StorageBackend.js — abstract interface
  (put/get/exists/stat/delete/list/copy/rename/signedUrl/putFromFile/
  getToFile) — typedef-only, documents the contract.
- LocalFsStorage.js — wraps fs with atomic-write-via-tmp-rename, path
  traversal protection, list-as-walker.
- S3StorageBackend.js — thin wrapper around the existing
  S3StorageAdapter (used by backupService) mapping it onto the canonical
  interface; supports optional STORAGE_S3_PREFIX namespace.
- index.js — factory selected by STORAGE_BACKEND with startup ping
  (HEADs sentinel key on S3, fs.stat on local) so misconfig fails fast
  before the first request.

Consumer refactors (~12 services + routes), each parametrized over the
abstraction:
- imageProcessor / videoProcessor — pipe Sharp/ffmpeg output through
  storage.put; expose withLocalCopy() helper for S3-mode regeneration
  paths that need a local file for sharp/ffmpeg.
- archiveService / downloadZipService — finalize zip in tmp dir, then
  storage.putFromFile. Atomic-rename pattern preserved on local; S3
  emulates via copy + delete (worker prunes orphaned .tmp.* on startup).
- photoProcessor / photoReplacementService / adminPhotos upload+delete /
  routes/v1/events.js POST /events/:id/photos / routes/events.js — every
  upload path now goes storage.putFromFile(temp) → unlink temp.
- gallery.js bulk-download (cached + on-the-fly + selected) — managed
  photos via storage.get, external-mode unchanged.
- protectedImages / secureImages / photoResolver — read via
  storage.get; resolvePhotoStorageKey returns the canonical key.
- watermarkService / watermarkGeneratorService — persistent watermarks
  via storage.put.
- fileWatcher — bails out with a clear log warning when STORAGE_BACKEND=s3
  (chokidar can't watch S3); auto-import lands via the S3 prefix walker
  introduced in the follow-up commit.
- expirationChecker — small touch (event.expired webhook fire from #327
  shipping in the next commit).

Migration tooling
- backend/scripts/migrate-storage.js — one-shot --dry-run capable script
  that walks photos.path, thumbnail_path, hero_path, watermark_path and
  events.archive_path/download_zip_path; streams local → S3; sha256
  size-match skip for idempotent re-run; failures CSV.

Presigned-URL "Download All" (#328 follow-up shipped in this commit)
- routes/gallery.js — when STORAGE_BACKEND=s3 + event.allow_presigned_download
  + downloads enabled + watermark NOT enabled, /download-all returns a
  302 redirect to a 5-minute presigned S3 URL. Per-event opt-in surface
  ships in the next commit's UI.

Tests
- backend/__tests__/integration/storageBackend.test.js — parametrized
  contract suite running against BOTH LocalFs AND MinIO (18 tests, both
  backends — 36 cases total).
- backend/__tests__/integration/imageProcessor.storage.test.js — same
  parametrized pattern for the image processor (10 tests × 2 backends).
- backend/__tests__/integration/backup-s3.test.js — bootstrap fix:
  drop the redundant initDb() (001_init handles it) and remove
  schema-drift in configureS3Backup (app_settings has no created_at
  anymore and the unique constraint is on setting_key alone, not
  composite). 0/12 → 7/12 (5 remaining are unrelated assertion drift).
- backend/src/services/photoResolver.js — mixed-source events (reference
  mode with managed-uploaded photos) now fall back to managed when
  external_relpath is missing instead of throwing.
- tests/e2e/s3-storage-roundtrip.spec.ts — Playwright spec that
  auto-skips against local backend; full upload → serve → delete
  round-trip when run against an S3-mode backend.

Server wiring (server.js)
- initStorage() called after database init, before rate limiters.
- This commit's diff also includes the webhook delivery worker startup
  and the S3 auto-importer startup. Those features ship in the next two
  commits — co-located here for one bisectable diff per file.

Docs + ops
- README §"Storage Backends" — capability matrix, switching playbook,
  IAM policy snippet, MinIO/R2/B2 examples.
- README §"Webhooks" — also added here (full diff bundled).
- .env.example — STORAGE_BACKEND + STORAGE_S3_* + STORAGE_AUTO_IMPORT
  documented; WEBHOOK_* added in the same diff.
- .gitignore — re-anchor the existing `storage/` rule to `/storage/`
  so backend/src/services/storage/ (the new abstraction code) is
  trackable. The runtime ./storage/ data dir stays ignored.

Out of scope for v1 (per the issue): presigned URLs for individual
photo display (always streamed for protection middleware), CDN
integration, hybrid hot/cold tiers, S3 → local migration, multi-bucket
per-event.
2026-04-28 10:06:36 +02:00

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{
"name": "picpeak-backend",
"version": "3.29.1-beta.0",
"description": "Backend for PicPeak event photo sharing platform",
"main": "server.js",
"scripts": {
"start": "node server.js",
"dev": "nodemon server.js",
"migrate": "node migrations/run-migrations.js",
"migrate:safe": "node migrations/run-migrations-safe.js",
"generate:watermarks": "node scripts/generate-watermarks.js",
"test": "jest",
"test:s3": "SKIP_S3_TESTS=false jest __tests__/integration/backup-s3",
"lint": "eslint src/"
},
"dependencies": {
"@aws-sdk/client-s3": "^3.850.0",
"@aws-sdk/lib-storage": "^3.850.0",
"@aws-sdk/s3-request-presigner": "^3.850.0",
"@ffmpeg-installer/ffmpeg": "^1.1.0",
"adm-zip": "^0.5.16",
"archiver": "^5.3.1",
"axios": "1.14.0",
"bcrypt": "6.0.0",
"chokidar": "4.0.3",
"cookie-parser": "^1.4.7",
"cors": "^2.8.5",
"dotenv": "^16.0.3",
"exifr": "^7.1.3",
"express": "^4.18.2",
"express-rate-limit": "^6.7.0",
"express-validator": "^7.0.1",
"fluent-ffmpeg": "^2.1.3",
"form-data": "^4.0.4",
"handlebars": "^4.7.9",
"helmet": "^7.0.0",
"i18next": "25.3.2",
"i18next-browser-languagedetector": "^8.2.0",
"i18next-http-backend": "^3.0.2",
"ipaddr.js": "^2.3.0",
"joi": "^17.9.1",
"js-yaml": "^4.1.1",
"jsonwebtoken": "^9.0.0",
"knex": "^2.4.2",
"mime-types": "^3.0.1",
"multer": "^2.0.2",
"node-cron": "^3.0.2",
"nodemailer": "^7.0.13",
"pg": "^8.16.3",
"react-i18next": "^15.6.0",
"sanitize-html": "^2.17.0",
"sharp": "0.34.3",
"sqlite3": "^5.1.6",
"swagger-jsdoc": "^6.2.8",
"swagger-ui-express": "^5.0.1",
"uuid": "^11.1.0",
"winston": "^3.8.2",
"zxcvbn": "^4.4.2"
},
"devDependencies": {
"eslint": "^8.40.0",
"jest": "^29.5.0",
"mock-fs": "^5.5.0",
"nodemon": "^3.1.10",
"supertest": "^6.3.3"
},
"overrides": {
"prebuild-install": {
"tar-fs": "2.1.4"
},
"glob": "^11.1.0",
"js-yaml": "^4.1.1",
"fast-xml-parser": ">=5.5.10",
"qs": ">=6.14.2",
"tar": ">=7.5.13",
"brace-expansion": ">=5.0.5",
"minimatch": ">=9.0.7",
"path-to-regexp": "0.1.13",
"lodash": ">=4.18.1"
}
}