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sync: encrypted cloud backup for portfolios + settings UX rework

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Adds opt-in client-side-encrypted portfolio sync (paid). Browser
PBKDF2(PIN) → AES-GCM, server HKDF(pepper, user_id) outer wrap;
server stores opaque bytes only. Sliding-window rate limit on GET.

  - new portfolio_sync table (migration 0015)
  - POST/GET/DELETE /api/portfolio/sync + /status
  - app/services/portfolio_sync.py crypto + rate limit
  - app/routers/sync.py paid-gated
  - app/static/js/portfolio-sync.js WebCrypto wrapper
  - settings page: enable/disable + PIN modal
  - PORTFOLIO_SYNC_PEPPER setting (warn on startup if missing)

Settings + import rework:

  - /upload merged into /settings#import (legacy route 302s)
  - drop CSV → auto-parse → preview → Import only / Import & sync
  - nav slimmed to Dashboard / News / Log
  - Settings + Logout moved to a user dropdown
  - brand logo links to /

Collateral fixes:

  - settings 500: re-fetch User in current session before mutating
    referral_code (assign_code_if_missing was refreshing a User
    loaded in the auth dep's now-closed session)
  - csv_import: distinct error for unfunded T212 pies (all qty=0)
  - db.py: drop pool_pre_ping (aiomysql 0.3.2 incompat); pin
    isolation_level=READ COMMITTED to avoid gap-lock deadlocks
  - alembic env: disable_existing_loggers=False so in-process
    migrations don't silence uvicorn's loggers
  - docker-compose.override.yml: dev-only volume mount + --reload

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Giorgio Gilestro 2026-05-23 16:15:54 +02:00
parent 89632e9937
commit f326b41a08
23 changed files with 1637 additions and 95 deletions
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8
app/main.py
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@ -20,6 +20,7 @@ from app.logging import configure_logging, get_logger
from app.routers import api as api_router
from app.routers import auth as auth_router
from app.routers import pages as pages_router
from app.routers import sync as sync_router
from app.routers import universe as universe_router
from app.services.feeds_bootstrap import bootstrap_feeds
@ -41,6 +42,12 @@ def _run_migrations() -> None:
async def lifespan(app: FastAPI):
configure_logging()
log.info("cassandra.startup")
s = get_settings()
if not s.PORTFOLIO_SYNC_PEPPER and not s.DATABASE_URL.startswith("sqlite"):
# Outer wrap still works (it just degrades to a per-user derived
# key with no shared secret), but a DB leak would let an attacker
# brute-force the PIN offline. Loud warning, not a hard failure.
log.warning("cassandra.portfolio_sync.pepper_missing")
try:
# Alembic's env.py uses asyncio.run() internally; offload it to a
# worker thread so it doesn't collide with FastAPI's running loop.
@ -77,4 +84,5 @@ app.mount(
app.include_router(auth_router.router, tags=["auth"])
app.include_router(api_router.router, prefix="/api", tags=["api"])
app.include_router(universe_router.router, prefix="/api", tags=["universe"])
app.include_router(sync_router.router, tags=["portfolio-sync"])
app.include_router(pages_router.router, tags=["pages"])