GatewayFilters

@RefreshScope
@Component
public class AuthenticationFilter implements GatewayFilter {

    final Logger LOGGER = LoggerFactory.getLogger(AuthenticationFilter.class);

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();

// Make your business logic, this is a simple sample.


        if (!request.getHeaders().containsKey("x-api-key")) {
            return this.onError(exchange,"api-key missing",HttpStatus.FORBIDDEN);
        }

        return chain.filter(exchange); // Forward to route
    }

    private Mono<Void> onError(ServerWebExchange exchange, String err, HttpStatus httpStatus)  {
        ServerHttpResponse response = exchange.getResponse();
        response.setStatusCode(httpStatus);
        return response.setComplete();
    }

Source: stackoverflow.com

Similar codes

0 vote141 views1 answer
Junit vintage engine maven
Java
2 votes150 views1 answer
Android studio change launcher icon
Java
7 votes154 views2 answers
Terminate a frame java
Java
7 votes223 views1 answer
Java android join array list
Java
0 vote165 views1 answer
What Is Spring Boot and What Are Its Main Features?
Java
0 vote145 views1 answer
Get char out of string java
Java
12 votes141 views3 answers
Hash map java
Java
0 vote173 views4 answers
UpperCase
Java
1 vote142 views2 answers
Java yesterday date
Java
0 vote142 views1 answer
Java delete element from list
Java