28 lines
1.3 KiB
Python
28 lines
1.3 KiB
Python
from django.conf import settings
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from django.http import HttpResponse
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from django.utils.deprecation import MiddlewareMixin
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class XViewMiddleware(MiddlewareMixin):
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"""
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Add an X-View header to internal HEAD requests.
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"""
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def process_view(self, request, view_func, view_args, view_kwargs):
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"""
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If the request method is HEAD and either the IP is internal or the
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user is a logged-in staff member, return a responsewith an x-view
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header indicating the view function. This is used to lookup the view
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function for an arbitrary page.
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"""
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assert hasattr(request, 'user'), (
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"The XView middleware requires authentication middleware to be "
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"installed. Edit your MIDDLEWARE%s setting to insert "
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"'django.contrib.auth.middleware.AuthenticationMiddleware'." % (
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"_CLASSES" if settings.MIDDLEWARE is None else ""
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)
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)
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if request.method == 'HEAD' and (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or
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(request.user.is_active and request.user.is_staff)):
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response = HttpResponse()
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response['X-View'] = "%s.%s" % (view_func.__module__, view_func.__name__)
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return response
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