52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
"""
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Middleware to identify the country of origin of page requests.
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Middleware adds `country_code` in session.
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Usage:
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# To enable the Geoinfo feature on a per-view basis, use:
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decorator `django.utils.decorators.decorator_from_middleware(middleware_class)`
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"""
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import logging
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import geoip2.database
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from django.conf import settings
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from django.utils.deprecation import MiddlewareMixin
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from ipware.ip import get_real_ip
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log = logging.getLogger(__name__)
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class CountryMiddleware(MiddlewareMixin):
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"""
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Identify the country by IP address.
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"""
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def process_request(self, request):
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"""
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Identify the country by IP address.
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Store country code in session.
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"""
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new_ip_address = get_real_ip(request)
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old_ip_address = request.session.get('ip_address', None)
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if not new_ip_address and old_ip_address:
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del request.session['ip_address']
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del request.session['country_code']
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elif new_ip_address != old_ip_address:
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reader = geoip2.database.Reader(settings.GEOIP_PATH)
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try:
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response = reader.country(new_ip_address)
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country_code = response.country.iso_code
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except geoip2.errors.AddressNotFoundError:
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country_code = ""
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request.session['country_code'] = country_code
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request.session['ip_address'] = new_ip_address
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log.debug(u'Country code for IP: %s is set to %s', new_ip_address, country_code)
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reader.close()
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