middleware.py 文件源码

def process_view(self, request, view_func, view_args, view_kwargs):
        """Forwards unauthenticated requests to the admin page to the CAS
        login URL, as well as calls to django.contrib.auth.views.login and
        logout.
        """

        #if view_func == login:
        #    return cas_login(request, *view_args, **view_kwargs)
        #elif view_func == logout:
        #    return cas_logout(request, *view_args, **view_kwargs)

        if settings.CAS_ADMIN_PREFIX:
            if not request.path.startswith(settings.CAS_ADMIN_PREFIX):
                return None
        elif not view_func.__module__.startswith('django.contrib.admin.'):
            return None

        if request.user.is_authenticated():
            if request.user.is_staff:
                return None
            else:
                error = ('<h1>Forbidden</h1><p>You do not have staff '
                         'privileges.</p>')
                return HttpResponseForbidden(error)
        params = urlencode({REDIRECT_FIELD_NAME: request.get_full_path()})
        return HttpResponseRedirect(reverse(cas_login) + '?' + params)