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33 lines
1.3 KiB
33 lines
1.3 KiB
from django.conf import settings
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from django.core.exceptions import ImproperlyConfigured
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from django.http import HttpResponse
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from django.utils.deprecation import MiddlewareMixin
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from .utils import get_view_name
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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 response with 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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if not hasattr(request, "user"):
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raise ImproperlyConfigured(
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"The XView middleware requires authentication middleware to "
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"be installed. Edit your MIDDLEWARE setting to insert "
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"'django.contrib.auth.middleware.AuthenticationMiddleware'."
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)
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if request.method == "HEAD" and (
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request.META.get("REMOTE_ADDR") in settings.INTERNAL_IPS
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or (request.user.is_active and request.user.is_staff)
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):
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response = HttpResponse()
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response.headers["X-View"] = get_view_name(view_func)
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return response
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