65 lines
2.0 KiB
HTML
65 lines
2.0 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Webpush Golang Example</title>
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</head>
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<body>
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<script>
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function publishSubscription(subscription) {
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console.log(JSON.stringify(subscription));
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var subID = localStorage.getItem('subID');
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if(!subID){
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fetch("/api/v1/push/subscribe", {method: 'POST', body: JSON.stringify(subscription)})
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.then(response => response.json())
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.then(data => {
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localStorage.setItem('subID', data);
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console.log("subcripe", data);
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subID = data;
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})
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} else {
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console.log("found subscription:", subID);
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}
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}
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function subscribe(vapidPublicKey) {
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navigator.serviceWorker.ready
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.then(function(registration) {
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return registration.pushManager.subscribe({
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userVisibleOnly: true,
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applicationServerKey: urlBase64ToUint8Array(vapidPublicKey),
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});
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})
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.then(publishSubscription)
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.catch(err => console.error(err));
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}
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function urlBase64ToUint8Array(base64String) {
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const padding = '='.repeat((4 - (base64String.length % 4)) % 4);
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const base64 = (base64String + padding)
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.replace(/\-/g, '+')
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.replace(/_/g, '/');
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const rawData = window.atob(base64);
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return Uint8Array.from([...rawData].map(char => char.charCodeAt(0)));
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}
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function setup(statusData) {
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if ('serviceWorker' in navigator) {
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navigator.serviceWorker.register('/service-worker.js');
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navigator.serviceWorker.ready
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.then(function(registration) {
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return registration.pushManager.getSubscription();
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})
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.then(function(subscription) {
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if (!subscription) {
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subscribe(statusData.vapid_public_key);
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} else {
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publishSubscription(subscription);
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}
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});
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}
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}
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</script>
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<script src="/api/v1/status?callback=setup"></script>
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</body>
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</html>
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