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Middleware for utilizing Web-server-provided authentication.
If request.user is not authenticated, then this middleware attempts to
authenticate the username passed in the ``REMOTE_USER`` request header.
If authentication is successful, the user is automatically logged in to
persist the user in the session.
The header used is configurable and defaults to ``REMOTE_USER``. Subclass
this class and change the ``header`` attribute if you need to use a
different header.
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||� � d S d S )Nr z�The Django remote user auth middleware requires the authentication middleware to be installed. Edit your MIDDLEWARE setting to insert 'django.contrib.auth.middleware.AuthenticationMiddleware' before the RemoteUserMiddleware class.)� remote_user)r r �META�header�KeyError�force_logout_if_no_headerr �is_authenticated�_remove_invalid_user� get_username�clean_usernamer � authenticate�login)r r �usernamer s r r z$RemoteUserMiddleware.process_request. s, � ��w��'�'� ;�&�:�;� ;�
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Allow the backend to clean the username, if the backend defines a
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Remove the current authenticated user in the request which is invalid
but only if the user is authenticated via the RemoteUserBackend.
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Middleware for Web-server provided authentication on logon pages.
Like RemoteUserMiddleware but keeps the user authenticated even if
the header (``REMOTE_USER``) is not found in the request. Useful
for setups when the external authentication via ``REMOTE_USER``
is only expected to happen on some "logon" URL and the rest of
the application wants to use Django's authentication mechanism.
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