28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
from django.models.redirects import redirects
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from django.utils import httpwrappers
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from django.conf.settings import APPEND_SLASH, SITE_ID
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class RedirectFallbackMiddleware:
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def process_response(self, request, response):
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if response.status_code != 404:
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return response # No need to check for a redirect for non-404 responses.
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path = request.get_full_path()
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try:
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r = redirects.get_object(site__id__exact=SITE_ID, old_path__exact=path)
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except redirects.RedirectDoesNotExist:
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r = None
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if r is None and APPEND_SLASH:
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# Try removing the trailing slash.
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try:
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r = redirects.get_object(site__id__exact=SITE_ID,
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old_path__exact=path[:path.rfind('/')]+path[path.rfind('/')+1:])
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except redirects.RedirectDoesNotExist:
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pass
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if r is not None:
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if r == '':
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return httpwrappers.HttpResponseGone()
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return httpwrappers.HttpResponsePermanentRedirect(r.new_path)
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# No redirect was found. Return the response.
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return response
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