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Fixed #26466 -- Added HTTP_REFERER decoding to i18n set_language() view.

This commit is contained in:
Miikka Salminen 2016-04-06 17:11:23 +03:00 committed by Tim Graham
parent f8bbba8060
commit 9e3f141701
4 changed files with 20 additions and 1 deletions
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4
django/views/i18n.py
View File

@ -12,7 +12,7 @@ from django.utils import six
from django.utils._os import upath
from django.utils.encoding import smart_text
from django.utils.formats import get_format, get_format_modules
from django.utils.http import is_safe_url
from django.utils.http import is_safe_url, urlunquote
from django.utils.translation import (
LANGUAGE_SESSION_KEY, check_for_language, get_language, to_locale,
)
@ -36,6 +36,8 @@ def set_language(request):
next = request.POST.get('next', request.GET.get('next'))
if (next or not request.is_ajax()) and not is_safe_url(url=next, host=request.get_host()):
next = request.META.get('HTTP_REFERER')
if next:
next = urlunquote(next) # HTTP_REFERER may be encoded.
if not is_safe_url(url=next, host=request.get_host()):
next = '/'
response = http.HttpResponseRedirect(next) if next else http.HttpResponse(status=204)

12
tests/view_tests/tests/test_i18n.py
View File

@ -138,6 +138,18 @@ class I18NTests(TestCase):
self.assertEqual(language_cookie['path'], '/test/')
self.assertEqual(language_cookie['max-age'], 3600 * 7 * 2)
def test_setlang_decodes_http_referer_url(self):
"""
The set_language view decodes the HTTP_REFERER URL.
"""
# The url() & view must exist for this to work as a regression test.
self.assertEqual(reverse('with_parameter', kwargs={'parameter': 'x'}), '/test-setlang/x/')
lang_code = self._get_inactive_language_code()
encoded_url = '/test-setlang/%C3%A4/' # (%C3%A4 decodes to ä)
response = self.client.post('/i18n/setlang/', {'language': lang_code}, HTTP_REFERER=encoded_url)
self.assertRedirects(response, encoded_url, fetch_redirect_response=False)
self.assertEqual(self.client.session[LANGUAGE_SESSION_KEY], lang_code)
@modify_settings(MIDDLEWARE_CLASSES={
'append': 'django.middleware.locale.LocaleMiddleware',
})

1
tests/view_tests/urls.py
View File

@ -103,4 +103,5 @@ urlpatterns += [
name='raises_template_does_not_exist'
),
url(r'^render_no_template/$', views.render_no_template, name='render_no_template'),
url(r'^test-setlang/(?P<parameter>[^/]+)/$', views.with_parameter, name='with_parameter'),
]

4
tests/view_tests/views.py
View File

@ -26,6 +26,10 @@ def index_page(request):
return HttpResponse('<html><body>Dummy page</body></html>')
def with_parameter(request, parameter):
return HttpResponse('ok')
def raises(request):
# Make sure that a callable that raises an exception in the stack frame's
# local vars won't hijack the technical 500 response. See: