fix: production-readiness hardening — security, perf, a11y, observability
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Security
- Default scripts_management, callbacks_management, links_management, and
  media_folders_management to False so a leaked token cannot escalate to RCE
  through admin CRUD endpoints.
- TokenSpec + scope hierarchy (read | control | admin); legacy bare-string
  api_tokens entries promote to admin for back-compat. Management endpoints
  now require admin scope.
- WebSocket subprotocol auth (Sec-WebSocket-Protocol: media-server.token.<T>)
  preferred over ?token= query so the token no longer lands in URL/history/
  Referer; query fallback retained for HA integration back-compat.
- Origin allow-list check on the WS endpoint (CSWSH defence).
- In-process token-bucket rate limiter: 5/min for failed auths,
  10/min for /api/scripts/execute and /api/callbacks/execute.
- shell=False subprocess path (shlex.split) + per-parameter regex `pattern`
  in ScriptParameterConfig to harden shell=true scripts against parameter
  injection (Windows cmd.exe env-var expansion).
- CSP gains form-action, worker-src, manifest-src directives.
- Refuse cors_origins=["*"] at startup; strip token=... from uvicorn access
  logs; validate Gitea release tag against strict SemVer regex.
- noopener noreferrer + no-referrer referrerpolicy on every outbound link.
- icacls hardening of config.yaml on Windows (current user + SYSTEM +
  Administrators only); 0600 still enforced on POSIX.
- WS volume handler clamps input and never drops the socket on bad messages.

Performance
- Album-art read in windows_media gated by track key — was decoding the
  WinRT thumbnail twice per second regardless of track changes.
- /api/media/artwork returns content-derived ETag + Cache-Control so the
  browser sends If-None-Match and gets 304s on track repeats.
- Foreground-service ctypes argtypes hoisted to one-time module init
  (was re-declaring ~14 prototypes per probe).
- display_service _static_cache keyed by (edid_hash, ...) tuple with
  eviction of disappeared monitors — fixes stale capabilities on hot-plug
  swaps where the new topology has the same monitor count.
- Visualizer rAF loop paused on document.hidden, resumed on visible.

Reliability / bug fixes
- Lifespan rewritten as try/yield/finally so a partial-startup failure
  cannot orphan background tasks or executors.
- _run_callback in routes/media.py keeps a strong task ref (GC-safe) and
  uses the dedicated callback executor instead of the default pool.
- macos_media.set_volume() no longer always returns True.
- TrayManager._restart_requested initialised in __init__; set before
  signalling exit so the main thread observes it correctly.
- Missing static_dir now logs a WARNING instead of silent UI disable.

UX / accessibility / PWA
- manifest.json theme_color and background_color match the Studio Reference
  base (#0E0D0B); added id and scope for PWA installability.
- ARIA on mini-player icon buttons; inner SVGs marked aria-hidden.
- OS mediaSession API wired so headset / lockscreen / Bluetooth buttons
  drive play/pause/next/prev/seek and show track metadata + artwork.

Observability
- X-Request-ID middleware (accept upstream id if it matches a safe regex,
  otherwise UUID4); request_id_var added to ContextVars and included in
  every log line alongside the token label.
- Audit log (append-only JSONL) for every script + callback execution,
  including the on_play/on_pause/etc. event callbacks. Background-thread
  writer; queue capped; flushed in lifespan teardown.

Deployment
- proxy_headers + forwarded_allow_ips plumbed through Settings →
  uvicorn.Config for reverse-proxy installs.
- HTTPS support via ssl_certfile + ssl_keyfile (+ optional password);
  startup refuses to launch with only one of the pair set.
- Thumbnail cache moved from project-root .cache to
  %LOCALAPPDATA%/media-server/cache (Windows) and
  $XDG_CACHE_HOME/media-server/thumbnails (POSIX).

Tests
- 35 new tests across auth scopes, rate limiter, browser path traversal
  (../ NUL UNC absolute), script-param validation incl. regex, Gitea tag
  whitelist, config atomic write + POSIX perms. 47 passed / 4 skipped.
This commit is contained in:
2026-05-22 22:25:54 +03:00
parent 450f9fe1ee
commit d131ba461c
31 changed files with 1586 additions and 204 deletions
+9 -9
View File
@@ -26,16 +26,16 @@
</div>
</div>
<div class="mini-controls">
<button class="mini-control-btn mini-nav-btn" data-onclick="previousTrack()" data-i18n-title="player.previous" title="Previous">
<svg viewBox="0 0 24 24"><path d="M6 6h2v12H6zm3.5 6l8.5 6V6z"/></svg>
<button class="mini-control-btn mini-nav-btn" data-onclick="previousTrack()" data-i18n-title="player.previous" data-i18n-aria-label="player.previous" title="Previous" aria-label="Previous">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M6 6h2v12H6zm3.5 6l8.5 6V6z"/></svg>
</button>
<button class="mini-control-btn" data-onclick="togglePlayPause()" id="mini-btn-play-pause" title="Play/Pause">
<svg viewBox="0 0 24 24" id="mini-play-pause-icon">
<button class="mini-control-btn" data-onclick="togglePlayPause()" id="mini-btn-play-pause" title="Play/Pause" aria-label="Play/Pause">
<svg viewBox="0 0 24 24" id="mini-play-pause-icon" aria-hidden="true" focusable="false">
<path d="M8 5v14l11-7z"/>
</svg>
</button>
<button class="mini-control-btn mini-nav-btn" data-onclick="nextTrack()" data-i18n-title="player.next" title="Next">
<svg viewBox="0 0 24 24"><path d="M6 18l8.5-6L6 6v12zM16 6v12h2V6h-2z"/></svg>
<button class="mini-control-btn mini-nav-btn" data-onclick="nextTrack()" data-i18n-title="player.next" data-i18n-aria-label="player.next" title="Next" aria-label="Next">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M6 18l8.5-6L6 6v12zM16 6v12h2V6h-2z"/></svg>
</button>
</div>
<div class="mini-progress-container">
@@ -48,8 +48,8 @@
</div>
</div>
<div class="mini-volume-container">
<button class="mini-control-btn" data-onclick="toggleMute()" id="mini-btn-mute" title="Mute">
<svg viewBox="0 0 24 24" id="mini-mute-icon">
<button class="mini-control-btn" data-onclick="toggleMute()" id="mini-btn-mute" title="Mute" aria-label="Mute" aria-pressed="false">
<svg viewBox="0 0 24 24" id="mini-mute-icon" aria-hidden="true" focusable="false">
<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z"/>
</svg>
</button>
@@ -88,7 +88,7 @@
</div>
<div class="header-toolbar">
<div id="headerLinks" class="header-links"></div>
<a class="header-btn" href="/docs" target="_blank" title="API Documentation" aria-label="API Documentation">
<a class="header-btn" href="/docs" target="_blank" rel="noopener noreferrer" referrerpolicy="no-referrer" title="API Documentation" aria-label="API Documentation">
<svg viewBox="0 0 24 24"><path fill="currentColor" d="M14 2H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V8l-6-6zm-1 2l5 5h-5V4zM6 20V4h5v7h7v9H6zm2-4h8v2H8v-2zm0-3h8v2H8v-2z"/></svg>
</a>
<button class="header-btn" data-onclick="showAboutDialog()" data-i18n-title="about.button_title" title="About" aria-label="About">
+2
View File
@@ -536,6 +536,8 @@ export async function loadHeaderLinks() {
a.href = link.url;
a.target = '_blank';
a.rel = 'noopener noreferrer';
// Prevent leaking the WebUI URL (with ?token=) via Referer.
a.referrerPolicy = 'no-referrer';
a.className = 'header-link';
a.title = link.label || link.url;
+80
View File
@@ -10,6 +10,7 @@ import {
lastStatus, setLastStatus, currentPlayState, setCurrentPlayState,
POSITION_INTERPOLATION_MS, seek, notifyRemoteVolume,
getAuthHeaders, hasCredentials,
togglePlayPause, nextTrack, previousTrack,
} from './core.js';
import { updateBackgroundColors } from './background.js';
import { loadDisplayMonitors } from './links.js';
@@ -381,11 +382,85 @@ function buildVisualizerGradient() {
function startVisualizerRender() {
if (visualizerAnimFrame) return;
// Don't even queue a frame while the tab is hidden — rAF still fires on
// hidden tabs (throttled but not paused) and would burn CPU + battery
// smoothing into bars no one can see. We resume on `visibilitychange`.
if (typeof document !== 'undefined' && document.hidden) return;
// Cache editorial spectrum bar refs once per start.
cacheEditorialSpectrumBars();
renderVisualizerFrame();
}
// ─── OS Media Session integration ─────────────────────────────
// Hooks the page into the system's media session so headset / lockscreen /
// Bluetooth play-pause-skip buttons drive the active track. Action handlers
// are set once and never re-registered; only the metadata + playback state
// flip when a track changes.
let _mediaSessionInitialised = false;
let _lastMediaSessionKey = '';
function syncMediaSession(status) {
if (typeof navigator === 'undefined' || !('mediaSession' in navigator)) return;
const session = navigator.mediaSession;
if (!_mediaSessionInitialised) {
const setHandler = (name, fn) => {
try { session.setActionHandler(name, fn); } catch { /* unsupported action */ }
};
setHandler('play', () => togglePlayPause());
setHandler('pause', () => togglePlayPause());
setHandler('nexttrack', () => nextTrack());
setHandler('previoustrack', () => previousTrack());
setHandler('seekto', (ev) => { if (ev && typeof ev.seekTime === 'number') seek(ev.seekTime); });
_mediaSessionInitialised = true;
}
// Track-identity key — re-build metadata only when title/artist/album change.
const artworkSrc = status && status.album_art_url ? '/api/media/artwork' : '';
const key = `${status.title || ''}|${status.artist || ''}|${status.album || ''}|${artworkSrc}`;
if (key !== _lastMediaSessionKey) {
_lastMediaSessionKey = key;
try {
session.metadata = new MediaMetadata({
title: status.title || '',
artist: status.artist || '',
album: status.album || '',
artwork: artworkSrc ? [{ src: artworkSrc, sizes: '512x512', type: 'image/*' }] : [],
});
} catch { /* MediaMetadata unsupported on very old browsers */ }
}
session.playbackState =
status.state === 'playing' ? 'playing'
: status.state === 'paused' ? 'paused'
: 'none';
if (typeof session.setPositionState === 'function'
&& status.duration && status.duration > 0
&& typeof status.position === 'number') {
try {
session.setPositionState({
duration: status.duration,
position: Math.min(status.position, status.duration),
playbackRate: 1.0,
});
} catch { /* invalid range — ignore */ }
}
}
// Pause / resume the visualizer with tab visibility. Idempotent: called once
// at module init below, no-op if no listener support.
if (typeof document !== 'undefined' && document.addEventListener) {
document.addEventListener('visibilitychange', () => {
if (document.hidden) {
stopVisualizerRender();
} else if (frequencyData) {
// Only restart if a payload is live (otherwise startVisualizerRender
// would queue a no-op rAF chain forever waiting for one).
startVisualizerRender();
}
});
}
export function stopVisualizerRender() {
if (visualizerAnimFrame) {
cancelAnimationFrame(visualizerAnimFrame);
@@ -903,6 +978,11 @@ export function updateUI(status) {
updateMuteIcon(status.muted);
// Wire the OS Media Session so headset buttons, lockscreen controls, and
// Bluetooth remotes drive the active media (not the WebUI tab). Cheap and
// idempotent — re-running setActionHandler with the same fn is a no-op.
syncMediaSession(status);
const src = resolveMediaSource(status.source);
dom.source.textContent = src ? src.name : t('player.unknown_source');
dom.sourceIcon.innerHTML = src?.icon || '';
+3
View File
@@ -80,6 +80,9 @@ export async function displayQuickAccess() {
card.href = link.url;
card.target = '_blank';
card.rel = 'noopener noreferrer';
// Prevent the WebUI's URL (which may carry ?token=...) from
// leaking to third-party sites via Referer.
card.referrerPolicy = 'no-referrer';
if (link.icon) {
const iconEl = document.createElement('div');
+15 -2
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@@ -88,9 +88,22 @@ export function connectWebSocket(token) {
const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
const wsBase = `${protocol}//${window.location.host}/api/media/ws`;
const wsUrl = token ? `${wsBase}?token=${encodeURIComponent(token)}` : wsBase;
const newWs = new WebSocket(wsUrl);
// Prefer Sec-WebSocket-Protocol-based auth so the token never appears in
// the URL (which would otherwise land in browser history, server access
// logs, and Referer headers). Keep the ?token=... fallback for clients
// that pre-date this change and don't speak the subprotocol.
let newWs;
if (token) {
try {
newWs = new WebSocket(wsBase, [`media-server.token.${token}`]);
} catch (e) {
console.warn('Subprotocol WS handshake failed, falling back to ?token=', e);
newWs = new WebSocket(`${wsBase}?token=${encodeURIComponent(token)}`);
}
} else {
newWs = new WebSocket(wsBase);
}
activeSocket = newWs;
setWs(newWs);
+4 -2
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@@ -1,12 +1,14 @@
{
"id": "/",
"name": "Media Server",
"short_name": "Media",
"description": "Remote media player control and file browser",
"start_url": "/",
"scope": "/",
"display": "standalone",
"orientation": "any",
"background_color": "#121212",
"theme_color": "#121212",
"background_color": "#0E0D0B",
"theme_color": "#0E0D0B",
"icons": [
{
"src": "/static/icons/icon.svg",