72 lines
2.5 KiB
TypeScript
72 lines
2.5 KiB
TypeScript
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function base64UrlToUint8Array(base64Url: string): Uint8Array {
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const padding = "=".repeat((4 - (base64Url.length % 4)) % 4);
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const base64 = (base64Url + padding).replace(/-/g, "+").replace(/_/g, "/");
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const raw = atob(base64);
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const out = new Uint8Array(raw.length);
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for (let i = 0; i < raw.length; i += 1) out[i] = raw.charCodeAt(i);
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return out;
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}
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function chiaviDa(sub: PushSubscription) {
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const json = sub.toJSON();
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return { p256dh: json.keys?.["p256dh"] ?? "", auth: json.keys?.["auth"] ?? "" };
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}
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export function pushSupportato() {
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return (
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typeof window !== "undefined" &&
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"serviceWorker" in navigator &&
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"PushManager" in window &&
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"Notification" in window
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);
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}
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export async function statoNotifiche(): Promise<boolean> {
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if (!pushSupportato()) return false;
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const reg = await navigator.serviceWorker.getRegistration("/push-sw.js");
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const sub = await reg?.pushManager.getSubscription();
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return Boolean(sub);
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}
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export async function attivaNotifiche(giocatoreId: string): Promise<void> {
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if (!pushSupportato()) throw new Error("Notifiche non supportate su questo dispositivo");
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const permesso = await Notification.requestPermission();
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if (permesso !== "granted") throw new Error("Permesso notifiche negato");
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const config = await fetch("/api/public/push-config").then((r) => r.json());
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if (!config?.publicKey) throw new Error("Notifiche non configurate");
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const reg = await navigator.serviceWorker.register("/push-sw.js");
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await navigator.serviceWorker.ready;
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const esistente = await reg.pushManager.getSubscription();
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const sub =
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esistente ??
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(await reg.pushManager.subscribe({
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userVisibleOnly: true,
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applicationServerKey: base64UrlToUint8Array(config.publicKey) as BufferSource,
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}));
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const res = await fetch("/api/public/push-subscribe", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ endpoint: sub.endpoint, giocatoreId, ...chiaviDa(sub) }),
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});
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if (!res.ok) throw new Error("Salvataggio iscrizione non riuscito");
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}
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export async function disattivaNotifiche(): Promise<void> {
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if (!pushSupportato()) return;
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const reg = await navigator.serviceWorker.getRegistration("/push-sw.js");
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const sub = await reg?.pushManager.getSubscription();
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if (sub) {
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await fetch("/api/public/push-subscribe", {
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method: "DELETE",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ endpoint: sub.endpoint }),
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});
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await sub.unsubscribe();
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}
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await reg?.unregister();
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}
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