Spring boot rest service options 401 on oauth/token

Question

I\'m using spring boot to make a simple rest service. To consume it in Angular 2, I\'ve got CORS problem when retrieving token on oauth/token endpoint.

The error mes

Answer 1

Here is native Spring Framework solution:

@Bean
public CorsFilter corsFilter(CorsConfiguration config) {
    log.debug("Registering CORS filter");
    UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    source.registerCorsConfiguration("/api/**", config);
    source.registerCorsConfiguration("/v2/api-docs", config);
    source.registerCorsConfiguration("/oauth/**", config);
    return new CorsFilter(source);
}