diff options
Diffstat (limited to 'netlib/http/cookies.py')
| -rw-r--r-- | netlib/http/cookies.py | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/netlib/http/cookies.py b/netlib/http/cookies.py index 768a85df..dd0af99c 100644 --- a/netlib/http/cookies.py +++ b/netlib/http/cookies.py @@ -1,7 +1,8 @@ import collections +import email.utils import re +import time -import email.utils from netlib import multidict """ @@ -260,3 +261,29 @@ def refresh_set_cookie_header(c, delta): if not ret: raise ValueError("Invalid Cookie") return ret + + +def is_expired(cookie_attrs): + """ + Determines whether a cookie has expired. + + Returns: boolean + """ + + # See if 'expires' time is in the past + expires = False + if 'expires' in cookie_attrs: + e = email.utils.parsedate_tz(cookie_attrs["expires"]) + if e: + exp_ts = email.utils.mktime_tz(e) + now_ts = time.time() + expires = exp_ts < now_ts + + # or if Max-Age is 0 + max_age = False + try: + max_age = int(cookie_attrs.get('Max-Age', 1)) == 0 + except ValueError: + pass + + return expires or max_age |