39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.http import HttpResponseRedirect
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from urllib.parse import urlencode, parse_qs, urlsplit, urlunsplit
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class TurbolinksMiddleware(object):
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"""
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Send the `Turbolinks-Location` header in response to a visit that was redirected,
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and Turbolinks will replace the browser's topmost history entry.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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response = self.get_response(request)
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is_turbolinks = request.META.get('HTTP_TURBOLINKS_REFERRER')
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is_response_redirect = response.has_header('Location')
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if is_turbolinks:
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if is_response_redirect:
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location = response['Location']
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prev_location = request.session.pop('_turbolinks_redirect_to', None)
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if prev_location is not None:
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# relative subsequent redirect
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if location.startswith('.'):
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location = prev_location.split('?')[0] + location
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request.session['_turbolinks_redirect_to'] = location
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else:
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if request.session.get('_turbolinks_redirect_to'):
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location = request.session.pop('_turbolinks_redirect_to')
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response['Turbolinks-Location'] = location
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return response
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