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SnapOtter/.env.example
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SnapOtterandGitHub 6e3a14ec6b fix: remove automatic third-party egress of user data + optional strict offline mode (OSM tiles, Scalar fonts, editor fonts, AI model downloads) (#422)
* fix: remove all automatic third-party egress (OSM tiles, Scalar fonts, editor Google Fonts, AI model download fallbacks)

Phone-home audit follow-up. The product no longer makes any automatic
third-party request; user-initiated click-outs stay, and production now
fails closed on missing AI models.

1. GPS leak via OSM tiles: the strip-metadata panel auto-loaded
   tile.openstreetmap.org tiles encoding the photo's GPS position. The
   Leaflet mini-map is gone; coordinates render as text plus an explicit
   View on map link (openstreetmap.org, opens on click only). Removed
   tile.openstreetmap.org from the CSP img-src, dropped the leaflet
   dependency, added the viewOnMap i18n key to all 21 locales.

2. Scalar docs fonts: /api/docs loaded Inter and JetBrains Mono from
   fonts.scalar.com. Scalar now renders with withDefaultFonts: false and
   both --scalar-font and --scalar-font-code pinned to system stacks;
   fonts.scalar.com removed from the docs CSP font-src. Verified by
   injecting GET /api/docs/: config carries withDefaultFonts false and
   the served page has no fonts.scalar.com reference.

3. Editor Google Fonts: the editor font picker built
   fonts.googleapis.com stylesheet URLs for 25 web fonts the served CSP
   already blocked. The remote loading path is deleted; the picker now
   offers system fonts only, with a SELF_HOSTED_FONTS seam (FontFace API,
   same origin) for bundling fonts later. Unknown families saved in old
   documents fall back to the browser default.

4. Python sidecar fails closed on model downloads: new
   packages/ai/python/offline_guard.py gates every runtime download
   fallback (inpaint, outpaint, restore, noise_removal, detect_faces,
   enhance_faces, face_landmarks, red_eye_removal, remove_bg, ocr,
   transcribe, upscale) behind SNAPOTTER_ALLOW_MODEL_DOWNLOAD=1 with an
   actionable error. Bundled models keep working untouched.

5. OCR and transcription library-internal downloads: unbundled PaddleOCR
   language and detection fallbacks now raise the guard error naming the
   language instead of resolving models over the network; faster-whisper
   gets local_files_only when downloads are off.

6. GFPGAN and CodeFormer cwd-relative weights: facexlib and
   codeformer-pip resolve helper weights relative to the process cwd and
   fetch them from GitHub when absent. They are now symlinked from the
   installed bundle files under MODELS_PATH/gfpgan/facelib before the
   libraries load, failing closed when unresolvable.

Defense in depth: HF_HUB_OFFLINE=1 and TRANSFORMERS_OFFLINE=1 are set in
the runtime image and in the sidecar spawn env; install_feature.py lifts
them for user-initiated bundle installs and restores them afterwards
(it can run in-process inside the dispatcher). SNAPOTTER_ALLOW_MODEL_DOWNLOAD
is documented in .env.example, default off.

Validation: typecheck 9/9 workspaces, Biome clean on touched files,
5178 unit tests pass, py_compile on all touched scripts, guard behavior
exercised in both dispatcher exec and per-request import modes, zero
remaining runtime references to the three hosts. Docker build and live
AI inference need post-merge verification on the GPU host.

Claude-Session: https://claude.ai/code/session_01XGB4pGvTvb7sUX4JN745U7

* fix: allow AI model downloads by default, make strict offline mode opt-in

Product call: ease of use first. The download gating from the previous
commit inverts its default: runtime model fetches (public model weights
only, never user data) are allowed out of the box so AI tools self-heal,
and SNAPOTTER_ALLOW_MODEL_DOWNLOAD=0 becomes the explicit strict offline
mode for airgapped deployments, where every fallback raises the
actionable error instead of fetching.

Changes: offline_guard blocks only on an explicit 0/false; the
unconditional HF_HUB_OFFLINE/TRANSFORMERS_OFFLINE image ENV is removed
and bridge.ts sets those flags for the sidecar only in strict mode;
.env.example documents the new default; install_feature's lift/restore
stays. All bundled-path preferences, pre-existence checks, and symlink
pre-placement remain, so installed bundles never trigger a download.
The OSM, Scalar font, and editor font fixes are unchanged.

Validation rerun: typecheck 9/9, Biome clean on touched files, 5178
unit tests pass, py_compile on touched scripts, guard behavior verified
for unset/1 (allowed) and 0/false (blocked with the new message).

Claude-Session: https://claude.ai/code/session_01XGB4pGvTvb7sUX4JN745U7
2026-07-04 05:46:52 +00:00

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# Server
PORT=1349
AUTH_ENABLED=true
DEFAULT_USERNAME=admin
DEFAULT_PASSWORD=admin
STORAGE_MODE=local
# Cleanup
FILE_MAX_AGE_HOURS=72
CLEANUP_INTERVAL_MINUTES=60
# Upload & Batch (0 = unlimited)
MAX_UPLOAD_SIZE_MB=0
MAX_BATCH_SIZE=0
CONCURRENT_JOBS=0
MAX_MEGAPIXELS=0
# Rate limiting (0 = disabled)
RATE_LIMIT_PER_MIN=0
# Users (0 = unlimited)
MAX_USERS=0
# Processing (0 = auto/unlimited)
MAX_WORKER_THREADS=0
PROCESSING_TIMEOUT_S=0
MAX_PIPELINE_STEPS=0
MAX_CANVAS_PIXELS=0
MAX_SVG_SIZE_MB=0
MAX_LOGO_SIZE_KB=2048
MAX_SPLIT_GRID=100
MAX_PDF_PAGES=0
MAX_VIDEO_DURATION_S=0
MAX_AUDIO_DURATION_S=0
MAX_VIDEO_BITRATE_KBPS=0
LIBREOFFICE_TIMEOUT_S=120
# Engine binary overrides (default: $PATH lookup)
# FFMPEG_PATH=
# FFPROBE_PATH=
# QPDF_PATH=
# SOFFICE_PATH=
# PDFCPU_PATH=
# SNAPOTTER_HW_ACCEL= # nvenc|vaapi: hardware encoder family (default software)
# AI tools fetch missing model files automatically (public model weights only,
# never user data). Set 0 for airgapped deployments to guarantee zero outbound
# fetches; missing models then produce actionable errors instead of downloads.
SNAPOTTER_ALLOW_MODEL_DOWNLOAD=1
SESSION_DURATION_HOURS=168
LOGIN_ATTEMPT_LIMIT=10
# Set to true in CI/dev to skip the forced password-change on the default admin
# SKIP_MUST_CHANGE_PASSWORD=false
# DB_PATH removed in 2.0 -- see DATABASE_URL below
WORKSPACE_PATH=./tmp/workspace
FILES_STORAGE_PATH=./data/files
DEFAULT_THEME=light
DEFAULT_LOCALE=en
APP_NAME=snapotter
# --- 2.0 foundation ---
# Postgres connection (required; this default matches docker-compose.dev.yml)
# Start the dev stack first: docker compose -f docker-compose.dev.yml up -d
DATABASE_URL=postgres://snapotter:snapotter@localhost:5432/snapotter
# Redis connection (required; this default matches docker-compose.dev.yml)
REDIS_URL=redis://localhost:6379
# Job spine tuning
SYNC_WAIT_MS=8000 # sync-response window (ms) before returning 202
JOBS_RETENTION_DAYS=30 # completed-job metadata TTL (days)
AUDIT_RETENTION_DAYS=0 # audit-log TTL (0 = keep forever)
LOG_DIR=./data/logs # rotating log ring for support bundles
# JOB_TIMEOUT_FAST_S=120 # timeout for fast pools (image, docs), seconds
# JOB_TIMEOUT_LONG_S=7200 # timeout for long pools (ai, media), seconds
# SCRATCH_PATH= # worker scratch dir (default: OS tmpdir/snapotter-scratch)
# Prometheus metrics: GET /api/v1/metrics requires an authenticated admin
# (scrapers need a session cookie or API key with system:health permission).
# --- Analytics ---
# Basic analytics are included by default. SnapOtter works normally without them.
# To disable: docker compose build --build-arg SNAPOTTER_ANALYTICS=off
# One-time SQLite import on first boot (1.x upgrade path). Leave unset normally.
# SQLITE_MIGRATE_PATH=/data/snapotter.db
# --- OpenTelemetry Distributed Tracing (enterprise only) ---
# Requires a valid enterprise license with distributed_tracing feature.
# Set OTEL_EXPORTER_OTLP_ENDPOINT to enable. All other vars are optional.
# Docs: https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/
# OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318
# OTEL_EXPORTER_OTLP_PROTOCOL=http/protobuf
# OTEL_EXPORTER_OTLP_HEADERS=
# OTEL_SERVICE_NAME=snapotter-api
# OTEL_TRACES_SAMPLER=parentbased_always_on
# OTEL_TRACES_EXPORTER=otlp