47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
(function () {
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// Note: Replace with your own key pair before deploying
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const applicationServerPublicKey = 'BLC8GOevpcpjQiLkO7JmVClQjycvTCYWm6Cq_a7wJZlstGTVZvwGFFHMYfXt6Njyvgx_GlXJeo5cSiZ1y4JOx1o';
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window.blazorPushNotifications = {
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requestSubscription: async () => {
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const worker = await navigator.serviceWorker.getRegistration();
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const existingSubscription = await worker.pushManager.getSubscription();
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if (!existingSubscription) {
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const newSubscription = await subscribe(worker);
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if (newSubscription) {
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return {
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url: newSubscription.endpoint,
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p256dh: arrayBufferToBase64(newSubscription.getKey('p256dh')),
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auth: arrayBufferToBase64(newSubscription.getKey('auth'))
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};
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}
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}
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}
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};
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async function subscribe(worker) {
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try {
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return await worker.pushManager.subscribe({
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userVisibleOnly: true,
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applicationServerKey: applicationServerPublicKey
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});
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} catch (error) {
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if (error.name === 'NotAllowedError') {
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return null;
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}
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throw error;
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}
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}
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function arrayBufferToBase64(buffer) {
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// https://stackoverflow.com/a/9458996
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var binary = '';
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var bytes = new Uint8Array(buffer);
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var len = bytes.byteLength;
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for (var i = 0; i < len; i++) {
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binary += String.fromCharCode(bytes[i]);
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}
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return window.btoa(binary);
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}
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})();
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