VAPID Key Generator

// Registrierung des Service Workers und Abonnieren mit dem Public Key

const publicKey = 'DEIN_GENERIERTER_PUBLIC_KEY';
async function subscribe() {
  const reg = await navigator.serviceWorker.ready;
  const sub = await reg.pushManager.subscribe({
    userVisibleOnly: true,
    applicationServerKey: urlBase64ToUint8Array(publicKey)
  });
  // Sende sub-Objekt als JSON an deinen PHP/Python/Node Server
  console.log(JSON.stringify(sub));
}
function urlBase64ToUint8Array(base64) {
  const padding = '='.repeat((4 - base64.length % 4) % 4);
  const b64 = (base64 + padding).replace(/-/g, '+').replace(/_/g, '/');
  return Uint8Array.from(atob(b64), c => c.charCodeAt(0));
}

// Nutzt die Library 'minishlink/web-push' (via Composer)

use Minishlink\WebPush\WebPush;
use Minishlink\WebPush\Subscription;
$auth = [
    'VAPID' => [
        'subject' => 'mailto:admin@deinedomain.de',
        'publicKey' => 'DEIN_GENERIERTER_PUBLIC_KEY',
        'privateKey' => 'DEIN_GENERIERTER_PRIVATE_KEY',
    ],
];
$webPush = new WebPush($auth);
$report = $webPush->sendOneNotification(
    Subscription::create($subscriptionDataFromJS),
    '{"title": "Hallo!", "body": "Push-Nachricht via PHP"}'
);

// Nutzt 'web-push' Paket

const webpush = require('web-push');
webpush.setVapidDetails(
  'mailto:admin@deinedomain.de',
  'DEIN_GENERIERTER_PUBLIC_KEY',
  'DEIN_GENERIERTER_PRIVATE_KEY'
);
// Payload senden
webpush.sendNotification(userSubscription, 'Nachrichteninhalt')
  .catch(err => console.error('Error sending push:', err));

// Nutzt die Library 'pywebpush'

from pywebpush import webpush, WebPushException
private_key = "DEIN_GENERIERTER_PRIVATE_KEY"
try:
    webpush(
        subscription_info=sub_info_json,
        data="Hallo aus Python!",
        vapid_private_key=private_key,
        vapid_claims={"sub": "mailto:admin@deinedomain.de"}
    )
except WebPushException as ex:
    print("Fehler: {}", repr(ex))