Assume UTC timezone if none specified in Retry-After header

urllib3 · Aug 25, 2020 · 02a69b9 · 02a69b9
1 parent df1f648
commit 02a69b9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/urllib3/util/retry.py b/src/urllib3/util/retry.py
@@ -269,6 +269,12 @@ def parse_retry_after(self, retry_after):
             retry_date_tuple = email.utils.parsedate_tz(retry_after)
             if retry_date_tuple is None:
                 raise InvalidHeader("Invalid Retry-After header: %s" % retry_after)
+            if retry_date_tuple[9] is None:  # Python 2
+                # Assume UTC if no timezone was specified
+                tmp = list(retry_date_tuple)
+                tmp[9] = 0
+                retry_date_tuple = tuple(tmp)
+
             retry_date = email.utils.mktime_tz(retry_date_tuple)
             seconds = retry_date - time.time()