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

63 votes116 views3 answers
Java hello word
Java
-1 vote80 views1 answer
Date to string java
Java
1 vote115 views1 answer
Optional throw if present
Java
0 vote122 views1 answer
Java virtual override
Java
0 vote132 views1 answer
Madrid
Java
1 vote137 views1 answer
CheckIndex Java
Java
1 vote124 views1 answer
How to see list of java of versions in mac
Java
-1 vote136 views2 answers
Java 8 datediff in days
Java
0 vote115 views1 answer
How to fix javax.validation.constraints.Email
Java
1 vote122 views1 answer
String cannot be resolved to a type eclipse
Java