More experiments trying to get VAPID to work

Author: 9SMTM6

coordinator/src/db.rs

@@ -414,7 +414,7 @@ pub async fn get_or_generate_vapid_keys(pool: &DbPool) -> eyre::Result<VapidKeys
 
     let private_key = private_key_pem;
     let public_key_raw = key_pair.public_key_raw();
-    let public_key = general_purpose::URL_SAFE_NO_PAD.encode(&public_key_raw);
+    let public_key = general_purpose::URL_SAFE.encode(public_key_raw);
 
     store_kv(pool, KV_VAPID_PRIVATE_KEY, &private_key).await?;
     store_kv(pool, KV_VAPID_PUBLIC_KEY, &public_key).await?;

frontend/assets/app.ts

@@ -573,9 +573,20 @@ const setupPushNotifications = async () => {
 
         // Subscribe
         const registration = await navigator.serviceWorker.ready;
+        const applicationServerKey = urlBase64ToUint8Array(publicKey) as BufferSource;
+        console.log('VAPID public key:', publicKey);
+        console.log('Application server key length:', applicationServerKey.byteLength);
+
+        // Unsubscribe any existing subscription to avoid key mismatch
+        const existingSubscription = await registration.pushManager.getSubscription();
+        if (existingSubscription) {
+            await existingSubscription.unsubscribe();
+            console.info('Unsubscribed from existing push subscription');
+        }
+
         const subscription = await registration.pushManager.subscribe({
             userVisibleOnly: true,
-            applicationServerKey: urlBase64ToUint8Array(publicKey) as BufferSource
+            applicationServerKey
         });
 
         // Send subscription to server