54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
const CACHE = 'v1';
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const LOGIN = '/login';
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const EXPIRE_MS = 3 * 60 * 60 * 1000;
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self.addEventListener('install', () => self.skipWaiting());
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self.addEventListener('activate', e => e.waitUntil(self.clients.claim()));
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self.addEventListener('fetch', e => {
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const req = e.request;
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const url = new URL(req.url);
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// 登录页、静态资源不拦截
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if (url.pathname === '/login' || url.pathname.startsWith('/_next/') ||
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url.pathname.endsWith('.js') || url.pathname.endsWith('.css') ||
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url.pathname.endsWith('.ico') || url.pathname.endsWith('.woff2')) {
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e.respondWith(fetch(req));
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return;
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}
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e.respondWith((async () => {
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const token = self.__auth_token;
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const tokenTime = self.__auth_time || 0;
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if (!token || (Date.now() - tokenTime > EXPIRE_MS)) {
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self.__auth_token = null;
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self.__auth_time = 0;
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return Response.redirect(LOGIN, 302);
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}
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const headers = new Headers(req.headers);
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headers.set('X-Auth-User', token);
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const res = await fetch(new Request(req, { headers }));
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if (res.status === 401) {
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self.__auth_token = null;
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self.__auth_time = 0;
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return Response.redirect(LOGIN, 302);
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}
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return res;
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})());
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});
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self.addEventListener('message', e => {
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if (e.data && e.data.type === 'SET_TOKEN') {
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self.__auth_token = e.data.token;
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self.__auth_time = Date.now();
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}
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if (e.data && e.data.type === 'CLEAR_TOKEN') {
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self.__auth_token = null;
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self.__auth_time = 0;
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}
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});
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