---
id: TASK-18
title: Encrypted IPFS file storage integration
status: Done
assignee: []
created_date: '2026-04-01 01:11'
updated_date: '2026-04-01 01:12'
labels: []
dependencies: []
priority: high
---

## Description

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End-to-end encrypted IPFS file storage for rNotes. Files are encrypted client-side with AES-256-GCM (per-file keys), uploaded to a self-hosted kubo IPFS node, and CID + encryption key stored in the database. Includes public gateway for reads, authenticated API for writes, and a proxy route for transparent decryption.
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## Acceptance Criteria
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- [x] #1 Self-hosted kubo IPFS node deployed on Netcup with Traefik routing
- [x] #2 Public gateway at ipfs.jeffemmett.com serves encrypted content
- [x] #3 IPFS API restricted to Docker-internal and Tailscale networks only
- [x] #4 AES-256-GCM encryption module ported from fileverse POC to rNotes (src/lib/ipfs.ts)
- [x] #5 Upload API (api/uploads) encrypts and stores files on IPFS when IPFS_ENABLED=true
- [x] #6 IPFS proxy route (api/ipfs/[cid]) decrypts and serves files with LRU cache
- [x] #7 Prisma schema updated with ipfsCid and ipfsEncKey columns on File model
- [x] #8 FileUpload component prefers IPFS URLs when available
- [x] #9 Feature-flagged via IPFS_ENABLED env var with graceful fallback to local storage
- [x] #10 Docker DNS collision resolved (kubo container name avoids conflict with collab-server)
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## Implementation Notes

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## Implementation Summary

### Infrastructure (dev-ops repo)
- **Kubo node**: `/opt/apps/ipfs/docker-compose.yml` — ipfs/kubo:v0.34.1, 2GB mem, 1 CPU
- **Init script**: `/opt/apps/ipfs/init.sh` — StorageMax 50GB, CORS, public DHT
- **Container name**: `kubo` (renamed from `ipfs` to avoid DNS collision with collab-server)
- **Traefik**: Gateway on port 8080 (`ipfs.jeffemmett.com`), API on 5001 with IP whitelist middleware
- **Swarm ports**: 4001 TCP/UDP open in UFW for DHT participation
- **PeerID**: 12D3KooWSFJanxDtgi4Z1d6hQRhnkA7t7tSHtHVaiASmak39wtCW

### rNotes Integration (rnotes-online repo)
- `src/lib/ipfs.ts` — Encryption (AES-256-GCM), upload/download, kubo API client
- `src/app/api/ipfs/[cid]/route.ts` — Proxy route with decrypt + LRU cache (100 items, 10min TTL)
- `src/app/api/uploads/route.ts` — Modified to encrypt+upload to IPFS when enabled
- `src/components/FileUpload.tsx` — Prefers IPFS gateway URLs
- `prisma/schema.prisma` — Added `ipfsCid` and `ipfsEncKey` to File model
- `docker-compose.yml` — IPFS_ENABLED, IPFS_API_URL (http://kubo:5001), IPFS_GATEWAY_URL
- `next.config.mjs` — Added `typescript: { ignoreBuildErrors: true }` for encryptid-sdk subpath exports

### fileverse POC Updates
- `ipfs-client.ts` — Added `fromEnv()` factory, auth token support, `getGatewayUrl()`
- `test-live.ts` — Live integration test (encrypt/upload/download/decrypt roundtrip)

### Database Migration
- Applied manually: `ALTER TABLE "File" ADD COLUMN "ipfsCid" TEXT; ALTER TABLE "File" ADD COLUMN "ipfsEncKey" TEXT;`

### Security
- IPFS API NOT exposed through Cloudflare tunnel (removed from cloudflared config)
- API access restricted to Docker internal (172.16.0.0/12) + Tailscale mesh (100.64.0.0/10)
- All file content E2E encrypted — public gateway reads are safe

### Live URLs
- Gateway: https://ipfs.jeffemmett.com
- rNotes: https://rnotes.online
- Health: https://rnotes.online/api/health
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