Merge branch 'master' of github.com:web-push-libs/pywebpush into feat/97

Author: jrconlin

pywebpush/__init__.py

@@ -6,6 +6,7 @@
 from copy import deepcopy
 import json
 import os
+import time
 
 try:
     from urllib.parse import urlparse
@@ -380,6 +381,9 @@ def webpush(subscription_info,
             url = urlparse(subscription_info.get('endpoint'))
             aud = "{}://{}".format(url.scheme, url.netloc)
             vapid_claims['aud'] = aud
+        if not vapid_claims.get('exp'):
+            # encryption lives for 12 hours
+            vapid_claims['exp'] = int(time.time()) + (12 * 60 * 60)
         if not vapid_private_key:
             raise WebPushException("VAPID dict missing 'private_key'")
         if isinstance(vapid_private_key, Vapid):