view_mixins.py 文件源码

def dispatch(self, request, *args, **kwargs):
        if 'p' in request.GET and 'code' in request.GET:
            # preserve other query params than p and code when we redirect
            other_params = request.GET.copy()
            del other_params['p']
            del other_params['code']
            url = '{}?{}'.format(request.path, other_params.urlencode(safe='/')) if other_params else request.path

            user = authenticate(user_pk=request.GET['p'], code=request.GET['code'])

            # case where user is already authenticated and different from user above ==> redirect with warning message
            if request.user.is_authenticated and request.user != user:
                messages.add_message(
                    request=request,
                    level=messages.WARNING,
                    message=self.get_message_string(request.user)
                )
                return HttpResponseRedirect(url)
            # case where user is being authenticated ==> we show a message but only with info level
            elif user:
                login(request, user)
                messages.add_message(
                    request=request,
                    level=messages.INFO,
                    message=self.get_message_string(user)
                )
                return HttpResponseRedirect(url)

        elif request.user.is_authenticated:
            return super().dispatch(request, *args, **kwargs)

        return redirect_to_login(request.get_full_path(), self.unlogged_redirect_url)