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5 commits

Author SHA1 Message Date
ScreenTinker afbe113acf Security audit remediation: auth, IDOR, XSS, hardening 
- Device WebSocket authentication: devices get a device_token on
  registration, must present it on reconnect. All WS events require
  prior auth. Timing-safe token comparison.
- IDOR fixes: ownership checks on schedules (device, week), layouts
  (all CRUD, zones, duplicate, device assign), video-walls (content,
  device-config).
- XSS prevention: shared esc() helper in utils.js, fixed 13 innerHTML
  injection points across 9 frontend files.
- OAuth hardening: no longer silently overwrites auth_provider on
  accounts with local passwords (returns 409).
- JWT pinned to HS256 for sign and verify.
- Password policy: change endpoint now requires 8 chars (was 6).
- HSTS header enabled (max-age 1 year, includeSubDomains).
- Stripe webhook rejects unsigned payloads when no secret configured.
- Screenshot size validation (max 2MB base64).
- Rate limiting on exports, imports, content operations.
- Content file serving checks playlist_items instead of old assignments.
- Content ownership verified in device-groups assign-content.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-11 22:48:07 -05:00
ScreenTinker f35894d17a Phase 2: device-groups assign-content uses playlists + new assign-playlist endpoint 
assign-content now adds content to each device's playlist (auto-creating if needed).
New POST /:id/assign-playlist sets a shared playlist on all group devices.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-11 22:06:26 -05:00
ScreenTinker f57fc5ad81 Security hardening: auth checks, XSS escaping, input validation 
- Add requireGroupOwnership middleware to all group endpoints
- Whitelist allowed command types (screen_on/off, launch, update, reboot, shutdown)
- Validate color format as #RRGGBB
- Escape all user-controlled strings (device/group names, emails) in dashboard HTML
- Restrict trust proxy to first hop only (prevents IP spoofing + rate limit bypass)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-09 22:09:40 -05:00
ScreenTinker faa437881f Add device groups UI, group commands, proxy IP fix, and web player detection 
- Dashboard now organizes devices by group with colored section headers
- Group command endpoint (POST /groups/:id/command) sends to all members
- Manage modal with multi-group confirmation prompt
- Destructive commands (reboot/shutdown) require confirmation
- Ungrouped devices shown separately at bottom
- trust proxy + X-Forwarded-For for real client IPs behind Nginx
- Hide Android-only telemetry (battery/storage/RAM/CPU/WiFi) for web players

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-09 22:03:44 -05:00
ScreenTinker 1594a9d4a4 Initial open source release 
ScreenTinker - open source digital signage management software.
MIT License, all features included, no license gates.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-08 12:14:53 -05:00