Files
edx-platform/openedx/core/djangoapps/geoinfo/middleware.py
Kyle McCormick b1fa2bdae6 refactor: make embargo app go through geoinfo API (#27350)
Consolidates all usage of geoip database within
geoinfo app.
2021-04-16 14:00:04 -04:00

44 lines
1.3 KiB
Python

"""
Middleware to identify the country of origin of page requests.
Middleware adds `country_code` in session.
Usage:
# To enable the Geoinfo feature on a per-view basis, use:
decorator `django.utils.decorators.decorator_from_middleware(middleware_class)`
"""
import logging
from django.utils.deprecation import MiddlewareMixin
from ipware.ip import get_client_ip
from ipware.utils import is_public_ip
from .api import country_code_from_ip
log = logging.getLogger(__name__)
class CountryMiddleware(MiddlewareMixin):
"""
Identify the country by IP address.
"""
def process_request(self, request):
"""
Identify the country by IP address.
Store country code in session.
"""
new_ip_address = get_client_ip(request)[0]
old_ip_address = request.session.get('ip_address', None)
if not new_ip_address and old_ip_address:
del request.session['ip_address']
del request.session['country_code']
elif new_ip_address != old_ip_address and is_public_ip(new_ip_address):
country_code = country_code_from_ip(new_ip_address)
request.session['country_code'] = country_code
request.session['ip_address'] = new_ip_address
log.debug('Country code for IP: %s is set to %s', new_ip_address, country_code)