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Maurice
034cfb539a
A browser that ran TREK before 5.1.1 keeps that version's app in its service worker. When the app opened /native-handoff, the worker answered it from its cache with an app that has no such page, which sent the user to /, and the sign-in ended on the dashboard in the browser instead of in the app. The app now opens /api/auth/native/start, which every TREK service worker passes to the server. That page takes the workers off the browser and forwards to the handoff page. Until the sign-in is handed back, the web app registers no service worker and does not reload for a new version: a tab still open on the older TREK keeps its worker alive, and a registration or a reload in the middle of the sign-in brought it back to answer the next page.
32 lines
1.3 KiB
TypeScript
32 lines
1.3 KiB
TypeScript
/**
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* Marks the app's sign-in in the system browser while it runs. The page in front
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* of the handoff page (public/native-handoff.js) sets it, so that until the user
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* is handed back to the app no service worker is registered (public/registerSW.js)
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* and no new version reloads the page (utils/versionHandover.ts). A browser tab
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* still open on an older TREK keeps that version's worker alive, and a worker
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* registered or a reload in the middle of the sign-in would bring it back to
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* answer the next page with an app that has no handoff page.
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*/
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export const BROWSER_SIGN_IN_KEY = 'trek_native_signin';
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/** As long as a sign-in in the browser may take; the mark counts for no longer. */
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export const BROWSER_SIGN_IN_TTL_MS = 15 * 60 * 1000;
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export function browserSignInRunning(now = Date.now()): boolean {
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try {
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const started = Number(localStorage.getItem(BROWSER_SIGN_IN_KEY));
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return Number.isFinite(started) && started > 0 && now - started >= 0 && now - started < BROWSER_SIGN_IN_TTL_MS;
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} catch {
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return false;
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}
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}
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/** The sign-in is handed back to the app: the browser goes back to normal. */
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export function endBrowserSignIn(): void {
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try {
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localStorage.removeItem(BROWSER_SIGN_IN_KEY);
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} catch {
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/* site data blocked: the mark runs out by itself */
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}
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}
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