django-defender/defender/decorators.py
2015-01-03 16:33:51 -05:00

46 lines
1.6 KiB
Python

from . import utils
def watch_login(func):
"""
Used to decorate the django.contrib.admin.site.login method.
"""
def decorated_login(request, *args, **kwargs):
# if the request is currently under lockout, do not proceed to the
# login function, go directly to lockout url, do not pass go, do not
# collect messages about this login attempt
if utils.is_already_locked(request):
return utils.lockout_response(request)
# call the login function
response = func(request, *args, **kwargs)
if func.__name__ == 'decorated_login':
# if we're dealing with this function itself, don't bother checking
# for invalid login attempts. I suppose there's a bunch of
# recursion going on here that used to cause one failed login
# attempt to generate 10+ failed access attempt records (with 3
# failed attempts each supposedly)
return response
if request.method == 'POST':
# see if the login was successful
login_unsuccessful = (
response and
not response.has_header('location') and
response.status_code != 302
)
# ideally make this background task, but to keep simple, keeping
# it inline for now.
utils.add_login_attempt_to_db(request, not login_unsuccessful)
if utils.check_request(request, login_unsuccessful):
return response
return utils.lockout_response(request)
return response
return decorated_login