from ssoconnector import SSOConnectorClient, InvalidSSORequest
from flask import Flask, request

@app.route("/sso/login/callback")
def callback():
  token = request.args.get("token")
  client = SSOConnectorClient(
    os.environ.get("SSOCONNECTOR_CLIENT_ID"),
    os.environ.get("SSOCONNECTOR_CLIENT_SECRET"))
  try:
    response = client.sso_response(token)
    # login user to your app
    login_user_to_app(response)
  except InvalidSSORequest:
    # error handling
    return invalid_sso_request()