from rest_framework.response import Response
from rest_framework.permissions import AllowAny

from pingcap_sso.api.base import Endpoint
from pingcap_sso.models import CaptchaStore


class CaptchaRefreshEndpoint(Endpoint):
    permission_classes = (AllowAny, )

    def post(self, request, *args, **kwargs):
        return Response(CaptchaStore.generate_challenge().to_frontend())