SHiNE-server/shine-UI/js/services/pwa-push-service.js

54 lines
1.7 KiB
JavaScript

const LS_KEY = 'shine-ui-webpush-subscription-v1';
function urlBase64ToUint8Array(base64String) {
const padding = '='.repeat((4 - (base64String.length % 4)) % 4);
const base64 = (base64String + padding).replace(/-/g, '+').replace(/_/g, '/');
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
}
export async function initPwaPush({ authService }) {
if (!('serviceWorker' in navigator) || !('PushManager' in window)) return;
const vapidPublicKey = window.__SHINE_WEBPUSH_VAPID_PUBLIC_KEY__ || '';
if (!vapidPublicKey) return;
try {
const registration = await navigator.serviceWorker.register('./firebase-messaging-sw.js');
const permission = await Notification.requestPermission();
if (permission !== 'granted') return;
let sub = await registration.pushManager.getSubscription();
if (!sub) {
sub = await registration.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: urlBase64ToUint8Array(vapidPublicKey),
});
}
const serialized = JSON.stringify(sub);
if (localStorage.getItem(LS_KEY) === serialized) return;
localStorage.setItem(LS_KEY, serialized);
const json = sub.toJSON();
const endpoint = json.endpoint || '';
const p256dhKey = json.keys?.p256dh || '';
const authKey = json.keys?.auth || '';
if (!endpoint || !p256dhKey || !authKey) return;
await authService.upsertPushToken({
endpoint,
p256dhKey,
authKey,
platform: 'web',
userAgent: navigator.userAgent || '',
});
} catch {
// silent for MVP
}
}