Adding the VAPID keys

src/Factory/Api/Mastodon/Subscription.php

@@ -36,6 +36,6 @@ class Subscription extends BaseFactory
 	public function createForApplicationIdAndUserId(int $applicationid, int $uid): \Friendica\Object\Api\Mastodon\Subscription
 	{
 		$subscription = DBA::selectFirst('subscription', [], ['application-id' => $applicationid, 'uid' => $uid]);
-		return new \Friendica\Object\Api\Mastodon\Subscription($subscription, ModelSubscription::getVapidKey());
+		return new \Friendica\Object\Api\Mastodon\Subscription($subscription, ModelSubscription::getPublicVapidKey());
 	}
 }

src/Model/Subscription.php

@@ -100,20 +100,42 @@ class Subscription
 	}
 
 	/**
-	 * Fetch a VAPID key
+	 * Fetch a VAPID keypair
 	 *
-	 * @return string
+	 * @return array
 	 */
-	public static function getVapidKey(): string
+	private static function getKeyPair(): array
 	{
 		$keypair = DI::config()->get('system', 'ec_keypair');
 		if (empty($keypair)) {
 			$keypair = Crypto::newECKeypair();
 			DI::config()->set('system', 'ec_keypair', $keypair);
 		}
+		return $keypair;
+	}
+
+	/**
+	 * Fetch the public VAPID key
+	 *
+	 * @return string
+	 */
+	public static function getPublicVapidKey(): string
+	{
+		$keypair = self::getKeyPair();
 		return $keypair['vapid-public'];
 	}
 
+	/**
+	 * Fetch the public VAPID key
+	 *
+	 * @return string
+	 */
+	public static function getPrivateVapidKey(): string
+	{
+		$keypair = self::getKeyPair();
+		return $keypair['vapid-private'];
+	}
+
 	/**
 	 * Prepare push notification
 	 *

src/Worker/PushSubscription.php

@@ -23,6 +23,8 @@ namespace Friendica\Worker;
 
 use Friendica\Core\Logger;
 use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Model\Subscription as ModelSubscription;
 use Minishlink\WebPush\WebPush;
 use Minishlink\WebPush\Subscription;
 
@@ -41,7 +43,15 @@ class PushSubscription
 			'payload' => null,
 		];
 
-		$webPush = new WebPush();
+		$auth = [
+			'VAPID' => [
+				'subject' => DI::baseUrl()->getHostname(),
+				'publicKey' => ModelSubscription::getPublicVapidKey(),
+				'privateKey' => ModelSubscription::getPrivateVapidKey(),
+			],
+		];
+		
+		$webPush = new WebPush($auth);
 
 		$report = $webPush->sendOneNotification(
 			$notification['subscription'],