45 lines
1.8 KiB
JavaScript
45 lines
1.8 KiB
JavaScript
let identity = '', sources = '', onlineOnly = 'false';
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let changed = false;
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const changeKey = 'juku.account.change';
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export function announceViewerChange() {
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try { localStorage.setItem(changeKey, Date.now() + '-' + Math.random()); } catch (_) {}
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}
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window.addEventListener('storage', event => {
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if (event.key === changeKey && identity && !changed) {
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changed = true;
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window.dispatchEvent(new Event('jukuviewerchange'));
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}
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});
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export function viewerHeaders() {
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return identity ? {'X-Juku-Viewer': identity, 'X-Juku-Sources': sources, 'X-Juku-Online-Only': onlineOnly} : {};
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}
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export function checkViewerResponse(result) {
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if (!identity || changed || !['viewer_required', 'viewer_changed', 'login_required', 'password_change_required', 'sources_changed', 'permissions_changed'].includes(result?.code)) return;
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changed = true;
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window.dispatchEvent(new Event('jukuviewerchange'));
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}
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export async function initializeViewer() {
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async function read(path) {
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const response = await fetch(path, {credentials: 'same-origin', cache: 'no-store', headers: {'Accept': 'application/json'}});
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let result;
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try {result = await response.json();} catch (_) {throw new Error('无法建立独立观看记录，请确认已启动新版程序');}
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if (!response.ok) throw new Error(result.error || '无法建立独立观看记录');
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return result;
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}
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let result = await read('/api/ui/viewer');
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if (!result.ready) result = await read('/api/ui/viewer?confirm=1');
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if (!result.ready || !/^[a-f0-9]{64}$/.test(result.id)) throw new Error('无法确认浏览器身份，请刷新页面重试');
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identity = result.id;
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sources = (result.sources || []).join(',');
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onlineOnly = String(result.onlineOnly === true);
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changed = false;
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return result;
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}
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window.JukuViewer = {headers: viewerHeaders, checkResponse: checkViewerResponse};
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