48 lines
1.4 KiB
Python
48 lines
1.4 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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from django.utils.deprecation import MiddlewareMixin
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from python_ipware import IpWare
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from .api import country_code_from_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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ipw = IpWare()
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new_ip_address_obj, _ = ipw.get_client_ip(meta=request.META)
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if new_ip_address_obj:
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new_ip_address = format(new_ip_address_obj)
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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 and new_ip_address_obj.is_global:
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country_code = country_code_from_ip(new_ip_address)
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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('Country code for IP: %s is set to %s', new_ip_address, country_code)
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