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index.html
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<html>
<head>
<link href="style.css" rel="stylesheet">
</head>
<body>
<div id="subscriptionInformations">
Waiting for permission to received push notifications
</div>
<script>
if ('serviceWorker' in navigator && 'PushManager' in window) {
Notification.requestPermission().then(function (result) {
if (result === 'granted') {
navigator.serviceWorker.register('sw.js');
navigator.serviceWorker.ready.then(function (registration) {
registration.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: urlB64ToUint8Array('BH4YZ_yQDkf77ZGs361qyO24CNswEFDrd4zcTJMVTqqr1kgAC6t8eTrPMTCnZfXcOuoyuKMvRLT-XQa9E7ld_sk')
}).then(function (pushSubscription) {
console.info('Subscription informations', JSON.stringify(pushSubscription));
renderSubscriptionInformations(pushSubscription);
});
})
} else {
document.querySelector('#subscriptionInformations').textContent = 'Autorization denied :\'(';
}
});
} else {
document.querySelector('#subscriptionInformations').innerHTML = `Sorry, your browser doesn't support <a href="https://www.caniuse.com/#search=service%20worker" target="_blank">service worker</a> or <a href="https://www.caniuse.com/#search=push%20api" target="_blank">push api</a> :\'(`;
}
function renderSubscriptionInformations(subscription) {
subscription = JSON.parse(JSON.stringify(subscription));
const nodeCommand = `node send-push.js --endpoint=${subscription.endpoint} --auth=${subscription.keys.auth} --p256dh=${subscription.keys.p256dh}`;
document.querySelector('#subscriptionInformations').innerHTML = `<h2>Subscription informations</h2>
<table>
<tr>
<td>Endpoint</td>
<td>${subscription.endpoint}</td>
</tr>
<tr>
<td>Auth key</td>
<td>${subscription.keys.auth}</td>
</tr>
<tr>
<td>Auth p256dh</td>
<td>${subscription.keys.p256dh}</td>
</tr>
</table>
<h2>Send notification</h2>
<div>Execute the following command from the /server folder to send a push notification</div>
<div class='command'>${nodeCommand}</div>`;
}
function urlB64ToUint8Array(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;
}
</script>
</body>
</html>