src/media-servers.js


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// Upload destinations are a device preference, separate from wallet sync storage.
const KEY = 'btc-wallet-media-servers';
export function parseMediaServers(text) {
  const entries = String(text).trim().split(/\s+/).filter(Boolean);
  if (!entries.length) throw new Error('invalid');
  const servers = [...new Set(entries.map((entry) => {
    let url;
    try { url = new URL(entry); } catch { throw new Error('invalid'); }
    if (url.protocol !== 'https:' || url.username || url.password || url.search || url.hash || !/^\/*$/.test(url.pathname)) throw new Error('invalid');
    return url.origin;
  }))];
  if (servers.length > 6) throw new Error('invalid');
  return servers;
}
export function customMediaServers() {
  try {
    const saved = JSON.parse(localStorage.getItem(KEY));
    return Array.isArray(saved) ? parseMediaServers(saved.join('\n')) : null;
  } catch { return null; }
}
export const mediaServers = (defaults) => customMediaServers() || defaults;
export function saveMediaServers(text) {
  const servers = parseMediaServers(text);
  localStorage.setItem(KEY, JSON.stringify(servers));
  return servers;
}
export function resetMediaServers() { localStorage.removeItem(KEY); }