julien
758d723744
## Summary
Mounts `express-session` + `connect-redis` at bootstrap on top of the shared `ioredis` client, with **AES-256-GCM applied to the full JSON payload before it lands in Redis** (per ADR-0010). The configured middleware is exposed as a NestJS provider (`SESSION_MIDDLEWARE`) and `main.ts` mounts it through `app.get(...)` so it sits on the same Redis connection the rest of the BFF uses — no second client at the bootstrap layer.
Envelope is versioned (`v1.<iv>.<tag>.<ciphertext>`, all base64url) so the algorithm / key derivation can rotate without a flag-day re-encryption. Tamper / wrong-key / unknown-version all raise `SessionDecryptError`; for now the failure is logged via Pino with `event: session.decrypt_failed` — the first-class audit event lands with ADR-0013.
Scope is intentionally **infrastructure only**:
- middleware mounted on every request, `req.session` available downstream
- session id = `crypto.randomBytes(32).toString('base64url')` (256 bits per ADR-0010)
- cookie name: `__Host-portal_session` in production, `portal_session` in dev (the `__Host-` prefix mandates `Secure`, which dev HTTP can't satisfy)
- `httpOnly + sameSite=lax + path=/`; `resave:false`, `saveUninitialized:false`, `rolling:true`
- cookie `maxAge` follows `SESSION_IDLE_TIMEOUT_SECONDS` (default 1800)
- encryption-at-rest active end-to-end
Out of scope, landing in follow-ups: `/auth/callback` populating `req.session.user`, `/me`, `/auth/logout`, the absolute-timeout interceptor, and the `user_sessions:{userId}` secondary index.
## Notable shape choices (ADR-0010 amended in the same commit)
**Full-payload encryption vs. just the `tokens` field.** The first draft of ADR-0010 scoped at-rest encryption to a `tokens` sub-field. The session also carries claims (`oid`, `tid`, `preferred_username`, …) that qualify as PII under GDPR — for an APF-Handicap portal handling health-adjacent data this matters. Encrypting the envelope is strictly stronger and removes the need to classify fields one by one. The ADR text is updated to match.
**`ioredis` + adapter vs. switching the BFF to `node-redis`.** `connect-redis` v9 was rewritten for `node-redis` v4 and no longer accepts `ioredis` directly. Two reasonable paths:
1. **Adapter (chosen)** — keep the shared `ioredis` client; shim the six commands `connect-redis` actually calls (`get`, `set` with `{expiration:{type:'EX',value}}`, `expire`, `del`, `mGet`, `scanIterator`) to the node-redis shape. Smallest blast radius — RedisModule, OBO cache (ADR-0014), future pub/sub all stay on a single Redis library.
2. **Switch RedisModule to `node-redis`** — clean alignment with `connect-redis`'s expectations, but touches every Redis consumer and would itself require an ADR amendment.
The adapter is reversible: if we ever decide to standardise on `node-redis`, deleting one file removes it. Happy to switch if you'd rather take that path.
## Env vars
- `SESSION_ENCRYPTION_KEY` — **mandatory**, AES-256-GCM key (32 bytes after base64url decode). New `assertSessionEncryptionKey()` validator wired in `main.ts` alongside the other pre-flight checks.
- `SESSION_IDLE_TIMEOUT_SECONDS` — optional, default `1800`.
- `SESSION_ABSOLUTE_TIMEOUT_SECONDS` — optional, default `43200` (consumed by the absolute-timeout interceptor in a follow-up).
`.env.example` updated; the three variables are promoted from the "future vars" block to the active section.
## Test plan
- [x] `pnpm nx test portal-bff` — **99/99 pass** (was 62 before this PR; +37 new specs across the 5 new files).
- [x] `pnpm nx build portal-bff` — clean webpack build.
- [x] `pnpm nx lint portal-bff` — clean.
- [x] Prettier-clean for all PR source files.
- [ ] Local smoke test once the next PR wires `/auth/callback` → `req.session.user`; this PR has no user-visible behaviour to exercise on its own.
---------
Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #110
164 lines
5.2 KiB
JSON
164 lines
5.2 KiB
JSON
{
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"name": "apf-portal",
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"version": "0.0.0",
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"license": "MIT",
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"packageManager": "pnpm@10.33.4",
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"ci:commits": "pnpm exec commitlint --from ${COMMIT_LINT_FROM:-origin/main} --to HEAD --verbose",
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"ci:perf": "pnpm exec nx build portal-shell --configuration=production && pnpm exec lhci autorun --config=./lighthouserc.js"
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},
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"private": true,
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"lint-staged": {
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]
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},
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"pnpm": {
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"@nestjs/core",
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"@prisma/engines",
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"@swc/core",
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"esbuild",
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"less",
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"lmdb",
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"msgpackr-extract",
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"nx",
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"prisma",
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"unrs-resolver"
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],
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"overrides": {
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"schema": "apps/portal-bff/prisma/schema.prisma"
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},
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"@nx/webpack": "22.7.1",
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"@oxc-project/runtime": "^0.129.0",
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"@playwright/test": "^1.36.0",
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"@schematics/angular": "~21.2.0",
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"@swc-node/register": "1.11.1",
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"@swc/core": "1.15.33",
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"@swc/helpers": "0.5.21",
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"@tailwindcss/postcss": "^4.2.4",
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"@types/cookie-parser": "^1.4.10",
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"@types/node": "24.12.4",
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"angular-eslint": "^21.2.0",
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"eslint": "^9.8.0",
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"eslint-config-prettier": "^10.0.0",
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"eslint-plugin-playwright": "^1.6.2",
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"husky": "^9.1.7",
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"jest": "^30.0.2",
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"jest-environment-node": "^30.0.2",
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"jest-util": "^30.0.2",
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"lint-staged": "^17.0.0",
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"nx": "22.7.1",
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"pino-pretty": "^13.1.3",
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"postcss": "^8.5.12",
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"prettier": "^3.8.1",
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"prisma": "^6.19.3",
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"tailwindcss": "^4.2.4",
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"ts-jest": "^29.4.0",
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"ts-node": "10.9.2",
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"tslib": "^2.3.0",
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"typescript": "~5.9.2",
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"typescript-eslint": "^8.40.0",
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"vite": "^8.0.0",
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"vitest": "^4.0.8",
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"webpack-cli": "^5.1.4"
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},
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"dependencies": {
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"axios": "^1.6.0",
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"class-validator": "^0.15.1",
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"cookie-parser": "^1.4.7",
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}
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}
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