views.py 文件源码

def get_success_url(self):
        """Ensure the user-originating redirection URL is safe."""
        redirect_to = self.request.POST.get(
            self.redirect_field_name,
            self.request.GET.get(self.redirect_field_name, '')
        )
        url_is_safe = is_safe_url(
            url=redirect_to,
            allowed_hosts=self.get_success_url_allowed_hosts(),
            require_https=self.request.is_secure(),
        )
        if not url_is_safe:
            return resolve_url(settings.LOGIN_REDIRECT_URL)
        return redirect_to