def create_session_cookie()

in firebase_admin/_token_gen.py [0:0]

• 30 lines of code
• 12 McCabe index (conditional complexity)

    def create_session_cookie(self, id_token, expires_in):
        """Creates a session cookie from the provided ID token."""
        id_token = id_token.decode('utf-8') if isinstance(id_token, bytes) else id_token
        if not isinstance(id_token, str) or not id_token:
            raise ValueError(
                'Illegal ID token provided: {0}. ID token must be a non-empty '
                'string.'.format(id_token))

        if isinstance(expires_in, datetime.timedelta):
            expires_in = int(expires_in.total_seconds())
        if isinstance(expires_in, bool) or not isinstance(expires_in, int):
            raise ValueError('Illegal expiry duration: {0}.'.format(expires_in))
        if expires_in < MIN_SESSION_COOKIE_DURATION_SECONDS:
            raise ValueError('Illegal expiry duration: {0}. Duration must be at least {1} '
                             'seconds.'.format(expires_in, MIN_SESSION_COOKIE_DURATION_SECONDS))
        if expires_in > MAX_SESSION_COOKIE_DURATION_SECONDS:
            raise ValueError('Illegal expiry duration: {0}. Duration must be at most {1} '
                             'seconds.'.format(expires_in, MAX_SESSION_COOKIE_DURATION_SECONDS))

        url = '{0}:createSessionCookie'.format(self.base_url)
        payload = {
            'idToken': id_token,
            'validDuration': expires_in,
        }
        try:
            body, http_resp = self.http_client.body_and_response('post', url, json=payload)
        except requests.exceptions.RequestException as error:
            raise _auth_utils.handle_auth_backend_error(error)
        else:
            if not body or not body.get('sessionCookie'):
                raise _auth_utils.UnexpectedResponseError(
                    'Failed to create session cookie.', http_response=http_resp)
            return body.get('sessionCookie')