@Configuration
@EnableWebSocket
@Slf4j
public class WebSocketConfig implements WebSocketConfigurer {

    private final CustomWebSocketHandler myCustomWebSocketHandler;

    public WebSocketConfig(CustomWebSocketHandler myCustomWebSocketHandler) {
        this.myCustomWebSocketHandler = myCustomWebSocketHandler;
    }

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(myCustomWebSocketHandler, "/socketHandler")
            .addInterceptors(new HandshakeInterceptor() {
                @Override
                public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Map<String, Object> attributes) throws Exception {
                     return request.getURI().getQuery().equals("token=iddqd");
                }

                @Override
                public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Exception exception) {

                }
            });
    }
}