atlasconsulting / bedita-sdk-js

/**

 * If access token is not valid try to renew authentication

 * and retry the previous call.

 */

export default class RefreshAuthInterceptor extends ResponseInterceptor {

    /**

     * If the error is 401 for token expired try to renew tokens re-send the original request.

     *

     * @param error The original error.

     */

    public async errorHandler(error: any): Promise<any> {

        if (!error.response || !this.isTokenExpired(error.response)) {

            // Not an expired token's fault.

            if (error.response?.status === 401) { // if 401 clear tokens

                const storage = this.beditaClient.getStorageService();

                await storage.clearTokens();

                await storage.remove('user');

            }

            return Promise.reject(error);

        }

        await this.beditaClient.renewTokens();

        delete error.config.headers.Authorization;

        return await this.beditaClient.request(error.config);

    }

    /**

     * Return `true` if it's a token expired response error.

     *

     * @param response The response

     */

    protected isTokenExpired(response: AxiosResponse): boolean {

        const code = response.data && response.data.error && response.data.error.code;

        return response.status === 401 && code === 'be_token_expired';