Clean up the private key creation and lookup

app.py

@@ -29,18 +29,21 @@ def create_app(config_name):
             )
             public_key_base64 = base64.b64encode(public_key_bytes).decode()
             
-            private_key_hex = binascii.hexlify(private_key.private_bytes(
+            private_key_bytes = private_key.private_bytes(
                 encoding=serialization.Encoding.DER,
                 format=serialization.PrivateFormat.PKCS8,
                 encryption_algorithm=serialization.NoEncryption()
-            )).decode()
+            )
+
+            private_key_base64 = base64.b64encode(private_key_bytes).decode()
+            
+            key = VAPIDKey(public_key=public_key_base64, private_key=private_key_base64)
+            db.session.add(key)
+            db.session.commit()
             
         except Exception as e:
             print(f"Error generating VAPID keys: {e}")
 
-        key = VAPIDKey(public_key=public_key_base64, private_key=private_key_hex)
-        db.session.add(key)
-        db.session.commit()
 
 
     def initialize():
@@ -51,17 +54,14 @@ def create_app(config_name):
     def send_push_notification(subscription_info, message, vapid_key):
         result = True
         try:
-            private_key_hex = vapid_key.private_key
+            private_key_base64 = vapid_key.private_key
-            private_key_der = bytes.fromhex(private_key_hex)
-
-            private_key_base64 = base64.b64encode(private_key_der).decode()
             
             webpush(
                 subscription_info=subscription_info,
                 data=json.dumps(message),
                 vapid_private_key=private_key_base64,
                 vapid_claims={
-                    "sub": "mailto:matthew.raymer@gmail.com"
+                    "sub": "mailto:info@timesafari.org"
                 }
             )