watchparty/client/js/embyApi.js
Nicolas b6818655b1
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Proxy all Emby access through our own backend; drop server-url field; use Emby's real theme colors
Three changes requested:

1. Server proxies Emby, browser never talks to it directly. Login is
   now POST /api/auth/login {username,password} on our own backend;
   the backend calls Emby's AuthenticateByName server-side and mints
   its own opaque session (httpOnly cookie), storing
   {embyToken,userId,userName} in memory. The browser never sees or
   holds a real Emby access token. Every other call - search, item
   details, images, HLS streaming, party actions - goes to our own
   /api/* origin, authenticated by that cookie; server/src/embyProxy.js
   forwards to Emby server-side and streams the response back
   (including a playlist-rewrite pass for HLS .m3u8 so hls.js never
   gets handed a URL pointing at Emby directly). This also sidesteps
   the CORS problem the previous direct-to-Emby design had.

2. EMBY_SERVER_URL is backend-only config (.env.example); the login
   form no longer asks for a server address at all.

3. client/css/app.css now uses colors read directly off the live Emby
   server's own dark theme (--theme-primary-color-* etc, fetched via a
   JS probe against the running client, not guessed): accent green
   #52b54b/#6ccf65, near-black background #151216.

Tested for real: ran the server locally against the actual
EMBY_SERVER_URL and submitted intentionally-wrong credentials through
the UI - confirmed the full round trip (browser -> our backend -> real
Emby -> real 401 -> our error message) with no CORS issue, since it's
all server-to-server now. Login itself hasn't been exercised with real
credentials, so catalog/streaming remain unverified - see
docs/architecture.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 21:36:26 +02:00

63 lines
1.8 KiB
JavaScript

// Talks ONLY to our own backend now - never directly to Emby. The backend
// holds the real Emby session (server/src/embyAuth.js); this module just
// wraps fetch calls to our own /api/* routes. See docs/architecture.md for
// why this changed from the first version (CORS, plus not wanting the
// browser to hold an Emby token at all).
async function apiFetch(path, options = {}) {
const res = await fetch(path, {
credentials: 'same-origin',
...options,
headers: { 'Content-Type': 'application/json', ...(options.headers || {}) }
});
if (!res.ok) {
const body = await res.json().catch(() => ({}));
throw new Error(body.error || `Request failed: ${res.status}`);
}
return res.json();
}
export const auth = {
userName: null,
get isLoggedIn() { return !!this.userName; }
};
/** Call once on app start to find out if our session cookie is still valid. */
export async function restoreSession() {
try {
const data = await apiFetch('/api/auth/me');
auth.userName = data.userName;
return true;
} catch (err) {
auth.userName = null;
return false;
}
}
export async function login(username, password) {
const data = await apiFetch('/api/auth/login', {
method: 'POST',
body: JSON.stringify({ username, password })
});
auth.userName = data.userName;
return data;
}
export async function logout() {
await apiFetch('/api/auth/logout', { method: 'POST' }).catch(() => {});
auth.userName = null;
}
export async function searchItems(query) {
if (!query || query.trim().length < 2) return [];
const data = await apiFetch(`/api/catalog/search?q=${encodeURIComponent(query)}`);
return data.items || [];
}
export async function getItem(itemId) {
return apiFetch(`/api/catalog/item/${itemId}`);
}
export function streamUrl(itemId) {
return `/api/catalog/stream/${itemId}/master.m3u8`;
}