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Fixed #21446 -- Allowed not performing redirect in set_language view

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Thanks Claude Paroz and Tim Graham for polishing the patch.
This commit is contained in:
Krzysztof Jurewicz 2016-03-28 19:23:04 +02:00 • committed by Claude Paroz
parent 12ba20d83c
commit 940b7fd5cb
4 changed files with 105 additions and 19 deletions
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21
docs/topics/i18n/translation.txt
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@ -1788,14 +1788,21 @@ saves the language choice in the user's session. Otherwise, it saves the
language choice in a cookie that is by default named ``django_language``.
(The name can be changed through the :setting:`LANGUAGE_COOKIE_NAME` setting.)
After setting the language choice, Django redirects the user, following this
algorithm:
After setting the language choice, Django looks for a ``next`` parameter in the
``POST`` or ``GET`` data. If that is found and Django considers it to be a safe
URL (i.e. it doesn't point to a different host and uses a safe scheme), a
redirect to that URL will be performed. Otherwise, Django may fall back to
redirecting the user to the URL from the ``Referer`` header or, if it is not
set, to ``/``, depending on the nature of the request:
* Django looks for a ``next`` parameter in the ``POST`` data.
* If that doesn't exist, or is empty, Django tries the URL in the
``Referrer`` header.
* If that's empty -- say, if a user's browser suppresses that header --
then the user will be redirected to ``/`` (the site root) as a fallback.
* For AJAX requests, the fallback will be performed only if the ``next``
parameter was set. Otherwise a 204 status code (No Content) will be returned.
* For non-AJAX requests, the fallback will always be performed.
.. versionchanged:: 1.10
Returning a 204 status code for AJAX requests when no redirect is specified
is new.
Here's example HTML template code: