Use django-material's middleware

This commit is contained in:
Yohann D'ANELLO 2020-02-21 18:54:05 +01:00
parent db1e3eb98d
commit d8b510a0be
2 changed files with 53 additions and 40 deletions

View File

@ -1,52 +1,64 @@
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from urllib3.packages.rfc3986 import urlparse
from django.http import HttpResponseRedirect
try:
from django.utils.deprecation import MiddlewareMixin
except ImportError:
MiddlewareMixin = object
from django.http import HttpResponseForbidden
from urllib.parse import urlencode, parse_qs, urlsplit, urlunsplit
def same_origin(current_uri, redirect_uri):
a = urlparse(current_uri)
if not a.scheme:
return True
b = urlparse(redirect_uri)
return (a.scheme, a.hostname, a.port) == (b.scheme, b.hostname, b.port)
class SmoothNavigationMiddleware(object):
"""Keep `?back=` queryset parameter on POST requests."""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request): # noqa D102
response = self.get_response(request)
class TurbolinksMiddleware(MiddlewareMixin):
if isinstance(response, HttpResponseRedirect):
back = request.GET.get('back')
if back:
_, _, back_path, _, _ = urlsplit(back)
scheme, netloc, path, query_string, fragment = urlsplit(response['location'])
query_params = parse_qs(query_string)
def process_request(self, request):
referrer = request.META.get('HTTP_X_XHR_REFERER')
if referrer:
# overwrite referrer
request.META['HTTP_REFERER'] = referrer
return
if path == back_path:
query_params.pop('back', None)
elif 'back' not in query_params:
query_params['back'] = [back]
def process_response(self, request, response):
referrer = request.META.get('HTTP_X_XHR_REFERER')
if not referrer:
# turbolinks not enabled
return response
new_query_string = urlencode(query_params, doseq=True)
response['location'] = urlunsplit((scheme, netloc, path, new_query_string, fragment))
method = request.COOKIES.get('request_method')
if not method or method != request.method:
response.set_cookie('request_method', request.method)
if response.has_header('Location'):
# this is a redirect response
loc = response['Location']
request.session['_turbolinks_redirect_to'] = loc
# cross domain blocker
if referrer and not same_origin(loc, referrer):
return HttpResponseForbidden()
else:
if request.session.get('_turbolinks_redirect_to'):
loc = request.session.pop('_turbolinks_redirect_to')
response['X-XHR-Redirected-To'] = loc
return response
class TurbolinksMiddleware(object):
"""
Send the `Turbolinks-Location` header in response to a visit that was redirected,
and Turbolinks will replace the browser's topmost history entry.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
response = self.get_response(request)
is_turbolinks = request.META.get('HTTP_TURBOLINKS_REFERRER')
is_response_redirect = response.has_header('Location')
if is_turbolinks:
if is_response_redirect:
location = response['Location']
prev_location = request.session.pop('_turbolinks_redirect_to', None)
if prev_location is not None:
# relative subsequent redirect
if location.startswith('.'):
location = prev_location.split('?')[0] + location
request.session['_turbolinks_redirect_to'] = location
else:
if request.session.get('_turbolinks_redirect_to'):
location = request.session.pop('_turbolinks_redirect_to')
response['Turbolinks-Location'] = location
return response

View File

@ -75,6 +75,7 @@ MIDDLEWARE = [
'django.middleware.clickjacking.XFrameOptionsMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.contrib.sites.middleware.CurrentSiteMiddleware',
'note_kfet.middlewares.SmoothNavigationMiddleware',
'note_kfet.middlewares.TurbolinksMiddleware',
]