code: def _post_login_page(self):
          
          # Prepare post data
          data = {
              "form": "signInForm",
              "client_id": JANRAIN_CLIENT_ID,
              "redirect_uri": "https://www.fido.ca/pages/#/",
              "response_type": "token",
              "locale": "en-US",
              "userID": self.username,
              "currentPassword": self.password,
          }
          # HTTP request
          try:
              raw_res = yield from self._session.post(LOGIN_URL,
                                                      headers=self._headers,
                                                      data=data,
                                                      timeout=self._timeout)
          except OSError:
              raise PyFidoError("Can not sign in")
  
          return True
docs: Login to Janrain.