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Chuck 98d4b3b55b fix(security): address CodeQL and coderabbit review findings 
## Security fixes

### pages_v3.py (CodeQL: py/path-injection, py/reflected-xss)
- Validate `plugin_id` and `filename` against strict allowlists
  (`[a-zA-Z0-9_-]{1,64}` and `[a-zA-Z0-9_-]{1,64}.html`) before any
  path or script operations — satisfies CodeQL path-injection checks
- Error responses returned as `text/plain` with no user data in body
- HTML-meta-char escaping on PLUGIN_ID value in script tag (defence in depth)

### array-table.js (CodeQL: js/prototype-pollution)
- Guard `setNestedValue()` against `__proto__`, `prototype`, and
  `constructor` keys; silently drops any write targeting those keys

### plugin-file-manager.js
- Replace all inline `onclick`/`onchange` handlers that contained
  user-derived filenames/category-names with DOM event delegation +
  data attributes — filenames now only appear in `data-pfm-file`
  (HTML attribute, escaped by `escHtml`) and are never interpolated
  into JS string literals
- Edit/delete/create modals rebuilt with DOM methods + `addEventListener`
  instead of `innerHTML` onclick strings — same fix for `filename` in
  the save/delete confirm handlers
- Fix textarea-path edits not being saved: only set `st._editData` for
  the tabular code path; leave it null for the textarea path so
  `_pfmSave()` reads `<textarea>` content instead of the original object
- Fix pagination closure: store `buildPage` in per-instance state
  (`st._buildPage`); `window._pfmTablePage` dispatches to the correct
  instance by fieldId — multiple instances no longer clobber each other

### time-picker.js
- Call `widget.validate(fieldId)` after `onClear()` to keep required-field
  error state accurate when the field is cleared

### plugin_config.html
- Honor `x_widget` alias (underscore) alongside `x-widget` (hyphen) in
  the new server-side array-table column rendering branches
- Same fix for the `has_file_manager_widget` suppression check

### widget-guide.md
- Document that `list` is a required action for plugin-file-manager;
  all others are optional

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-30 19:59:57 -04:00
..
blueprints
fix(security): address CodeQL and coderabbit review findings
2026-05-30 19:59:57 -04:00
static/v3
fix(security): address CodeQL and coderabbit review findings
2026-05-30 19:59:57 -04:00
templates/v3
fix(security): address CodeQL and coderabbit review findings
2026-05-30 19:59:57 -04:00
__init__.py
Plugins (#145)
2025-12-27 14:15:49 -05:00
app.py
fix(logs): include ledmatrix-web logs in viewer and log subprocess stderr on failure (#350)
2026-05-26 09:55:59 -04:00
cache.py
Plugins (#145)
2025-12-27 14:15:49 -05:00
logging_config.py
fix: Codacy security fixes, CVE dependency bumps, and code quality cleanup (#331)
2026-05-15 10:19:55 -04:00
README.md
docs: refresh and correct stale documentation across repo (#306)
2026-04-07 21:04:25 -04:00
requirements.txt
fix: Codacy security fixes, CVE dependency bumps, and code quality cleanup (#331)
2026-05-15 10:19:55 -04:00
run.sh
Plugins (#145)
2025-12-27 14:15:49 -05:00
start.py
fix: Codacy round-2 — urllib3 CVEs, missed JS/Python issues (#336)
2026-05-15 18:04:21 -04:00

README.md

LED Matrix Web Interface V3

Modern, production web interface for controlling the LED Matrix display.

Overview

This directory contains the active V3 web interface with the following features:

  • Real-time display preview via Server-Sent Events (SSE)
  • Plugin management and configuration
  • System monitoring and logs
  • Modern, responsive UI
  • RESTful API

Directory Structure

web_interface/
├── app.py                    # Main Flask application
├── start.py                  # Startup script
├── run.sh                    # Shell runner script
├── requirements.txt          # Python dependencies
├── blueprints/               # Flask blueprints
│   ├── api_v3.py            # API endpoints
│   └── pages_v3.py          # Page routes
├── templates/                # HTML templates
│   └── v3/
│       ├── base.html
│       ├── index.html
│       └── partials/
└── static/                   # CSS/JS assets
    └── v3/
        ├── app.css
        └── app.js

Running the Web Interface

Standalone (Development)

From the project root:

python3 web_interface/start.py

Or using the shell script:

./web_interface/run.sh

As a Service (Production)

The web interface can run as a systemd service that starts automatically based on the web_display_autostart configuration setting:

sudo systemctl start ledmatrix-web
sudo systemctl enable ledmatrix-web  # Start on boot

Accessing the Interface

Once running, access the web interface at:

Configuration

The web interface reads configuration from:

  • config/config.json - Main configuration
  • config/config_secrets.json - API keys and secrets

API Documentation

The V3 API is mounted at /api/v3/ (app.py:144). For the complete list and request/response formats, see docs/REST_API_REFERENCE.md. Quick reference for the most common endpoints:

Configuration

  • GET /api/v3/config/main - Get main configuration
  • POST /api/v3/config/main - Save main configuration
  • GET /api/v3/config/secrets - Get secrets configuration
  • POST /api/v3/config/raw/main - Save raw main config (Config Editor)
  • POST /api/v3/config/raw/secrets - Save raw secrets

Display & System Control

  • GET /api/v3/system/status - System status
  • POST /api/v3/system/action - Control display (action body: start_display, stop_display, restart_display_service, restart_web_service, git_pull, reboot_system, shutdown_system, enable_autostart, disable_autostart)
  • GET /api/v3/display/current - Current display frame
  • GET /api/v3/display/on-demand/status - On-demand status
  • POST /api/v3/display/on-demand/start - Trigger on-demand display
  • POST /api/v3/display/on-demand/stop - Clear on-demand

Plugins

  • GET /api/v3/plugins/installed - List installed plugins
  • GET /api/v3/plugins/config?plugin_id=<id> - Get plugin config
  • POST /api/v3/plugins/config - Update plugin configuration
  • GET /api/v3/plugins/schema?plugin_id=<id> - Get plugin schema
  • POST /api/v3/plugins/toggle - Enable/disable plugin
  • POST /api/v3/plugins/install - Install from registry
  • POST /api/v3/plugins/install-from-url - Install from GitHub URL
  • POST /api/v3/plugins/uninstall - Uninstall plugin
  • POST /api/v3/plugins/update - Update plugin

Plugin Store

  • GET /api/v3/plugins/store/list - List available registry plugins
  • GET /api/v3/plugins/store/github-status - GitHub authentication status
  • POST /api/v3/plugins/store/refresh - Refresh registry from GitHub

Real-time Streams (SSE)

SSE stream endpoints are defined directly on the Flask app (app.py:607-619 — includes the CSRF exemption and rate-limit hookup alongside the three route definitions), not on the api_v3 blueprint:

  • GET /api/v3/stream/stats - System statistics stream
  • GET /api/v3/stream/display - Display preview stream
  • GET /api/v3/stream/logs - Service logs stream

Development

When making changes to the web interface:

  1. Edit files in this directory
  2. Test changes by running python3 web_interface/start.py
  3. Restart the service if running: sudo systemctl restart ledmatrix-web

Notes

  • Templates and static files use the v3/ prefix to allow for future versions
  • The interface uses Flask blueprints for modular organization
  • SSE streams provide real-time updates without polling
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