Files
LEDMatrix/scripts/utils
ChuckandClaude Opus 5.5 6cfcf2e384 fix(web): plugin dir resolver in routes, nmcli AP detection, daemon config reload, upload safety, BDF preview (#655)
* fix(web): plugin dir resolver in routes, nmcli AP detection, daemon config reload, upload safety

- Route plugin lookups (installed list, update, recorded version, config
  form, web UI pages) through the plugin manager's resolver so plugins in
  ledmatrix-<id> directories work.
- Captive-portal detection also sees the nmcli fallback AP (cached).
- WiFi monitor daemon re-reads wifi_config.json when its mtime changes.
- Drop the AP check in disconnect_from_network that could never fire.
- LED status file per WiFiManager; config path falls back to this checkout.
- BDF font preview via src.common.bdf_font.
- Asset uploads validate every file before saving; metadata and calendar
  credentials written atomically; no absolute path in the response;
  asset delete answers 400 for a missing body.
- Coerce string booleans in plugin toggle, on-demand start and AP force.
- SSE broadcaster clears its thread handle before exiting.
- start.py log filter handles every exc_info form.
- Cleanups: unused plugins/fonts partial work, duplicate backup catch-alls,
  raw-config error helper, update-route tidy, redundant imports.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(web): request BDF font previews now that the server renders them

The Fonts tab skipped the preview request for .bdf files because the server
used to refuse them; /fonts/preview now draws BDF with the shared loader.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(web): take the update route's plugin directory from a directory listing

CodeQL flagged the path built from the request's plugin_id (the id was
already validated with safe_path_component, which CodeQL doesn't model; the
same flow on main is alerts 738/739). The directory is now the entry of
plugins_dir matched by name, so nothing built from user input reaches the
filesystem; an id with nothing installed goes to the store manager, which
reports it not found as before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(web): read the blueprint's plugin_manager defensively in _plugin_directory

_get_plugin_version now goes through _plugin_directory, which read
api_v3.plugin_manager directly; the attribute exists only once the app sets
it, so test_path_traversal_guards::test_a_real_manifest_is_read failed
when run on its own (order-dependent in the full suite).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 10:42:07 -04:00
..

Utility Scripts

This directory contains utility scripts for maintenance and system operations.

Scripts

  • clear_cache.py - Clears LEDMatrix cache data (specific keys or all cache)
  • start_web_conditionally.py - Conditionally starts the web interface based on config settings
  • wifi_monitor_daemon.py - Background daemon that monitors WiFi/Ethernet connection and manages access point mode
  • pixlet_config_editor.sh - Opens Pixlet's own config UI for one installed Starlark app
  • apply_dns_single_request.sh - Adds options single-request to the resolver (run by ledmatrix-dns-fix.service)
  • auto_update_verify.py - Health check after an automatic update, rolling back if it fails (the updater copies it to data/ before pulling and ledmatrix-update-verify.service runs that copy)

Usage

Clear Cache

python3 scripts/utils/clear_cache.py --list          # List cache keys
python3 scripts/utils/clear_cache.py --clear-all      # Clear all cache
python3 scripts/utils/clear_cache.py --clear <key>    # Clear specific key

Start Web Interface Conditionally

This script is typically called by the systemd service (ledmatrix-web.service) and checks the web_display_autostart setting in config/config.json before starting the web interface.

WiFi Monitor Daemon

This daemon is typically run as a systemd service (ledmatrix-wifi-monitor.service) and automatically manages WiFi access point mode based on network connectivity.

Pixlet Config Editor

Run it when you want Pixlet's own config form for a Starlark app -- live render preview, cascading dropdowns -- rather than the LEDMatrix one.

./scripts/utils/pixlet_config_editor.sh                 # list installed apps
./scripts/utils/pixlet_config_editor.sh penndot_signs   # edit, on localhost:8080

Deliberately not a service. It stops the display for the length of the session and pixlet serve listens with no authentication, so it should only be running while you are actually editing. It backs the config up first and restarts the display on exit, however it exits.

It binds loopback only, with no flag to change that: anything that can reach pixlet serve can rewrite the app's config, and a printed warning is not access control. To edit from another machine, forward the port -- SSH does the authenticating and nothing is left listening on the LAN:

ssh -L 8080:localhost:8080 pi@ledpi.local

Apply DNS Single-Request Fix

Installed and run by ledmatrix-dns-fix.service; see systemd/README.md. Safe to run by hand (sudo ./scripts/utils/apply_dns_single_request.sh) and idempotent.