[GSS](7.3.z) UNDERTOW-1837 - ServletRequest#getLocalPort(), getLocalAddr() and getLocalName() can return wrong information when proxy-address-forwarding="true" is enabled

@WebFilter("/*")
public class ExampleServletFilter implements Filter {

    ...

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

        if (!(request instanceof HttpServletRequest)) {
            chain.doFilter(request, response);
            return;
        }

        HttpServletRequest httpRequest = (HttpServletRequest) request;
        HttpServletRequestWrapper wrappedRequest = new HttpServletRequestWrapper(httpRequest) {

            @Override
            public String getLocalName() {
                HttpServerExchange exchange = ((HttpServletRequestImpl) request).getExchange();
                SocketAddress address = exchange.getConnection().getLocalAddress();
                if (address instanceof InetSocketAddress) {
                    return ((InetSocketAddress) address).getAddress().getHostName();
                    // return ((InetSocketAddress) address).getHostString(); // this does not attempt a reverse lookup
                }
                return null;
            }

            @Override
            public String getLocalAddr() {
                HttpServerExchange exchange = ((HttpServletRequestImpl) request).getExchange();
                SocketAddress address = exchange.getConnection().getLocalAddress();
                if (address instanceof InetSocketAddress) {
                    return ((InetSocketAddress) address).getAddress().getHostAddress();
                }
                return null;
            }

            @Override
            public int getLocalPort() {
                HttpServerExchange exchange = ((HttpServletRequestImpl) request).getExchange();
                SocketAddress address = exchange.getConnection().getLocalAddress();
                if (address instanceof InetSocketAddress) {
                    return ((InetSocketAddress) address).getPort();
                }
                return -1;
            }
        };

        chain.doFilter(wrappedRequest, response);
    }

...

<http-listener name="default" socket-binding="http" redirect-socket="https" enable-http2="true" record-request-start-time="true" proxy-address-forwarding="true"/>

<%
out.println("request.getServerName() = " + request.getServerName());
out.println("request.getServerPort() = " + request.getServerPort());
out.println("request.getLocalName() = " + request.getLocalName());
out.println("request.getLocalAddr() = " + request.getLocalAddr());
out.println("request.getLocalPort() =  " + request.getLocalPort());
out.println("request.getRemoteAddr() = " + request.getRemoteAddr());
out.println("request.getRemotePort() = " + request.getRemotePort());
%>

$ ./bin/standalone.sh

$ curl -v http://127.0.0.1:8080/example/test.jsp

...

request.getServerName() = 127.0.0.1
request.getServerPort() = 8080
request.getLocalName() = localhost
request.getLocalAddr() = 127.0.0.1
request.getLocalPort() = 8080
request.getRemoteAddr() = 127.0.0.1
request.getRemotePort() = 57412

$ curl -v http://127.0.0.1:8080/example/test.jsp -H "X-Forwarded-For: 192.0.2.43" -H "X-Forwarded-Proto: http" -H "X-Forwarded-Host: 192.0.2.10" -H "X-Forwarded-Port: 7777" 

...

request.getServerName() = 192.0.2.10
request.getServerPort() = 7777
request.getLocalName() = 192.0.2.10
request.getLocalAddr() = 192.0.2.10
request.getLocalPort() = 7777
request.getRemoteAddr() = 192.0.2.43
request.getRemotePort() = 0

            <server name="default-server">
                <http-listener name="default" socket-binding="http" redirect-socket="https" enable-http2="true" record-request-start-time="true"/>
                ...
                <host name="default-host" alias="localhost">
                    <location name="/" handler="welcome-content"/>
                    <http-invoker security-realm="ApplicationRealm"/>
                    <filter-ref name="forwarded-filter"/> <!-- add this -->
                </host>
            </server>
            ...
            <filters>
                <expression-filter name="forwarded-filter" expression="forwarded"/> <!-- add this -->
            </filters>
        </subsystem>

$ curl http://127.0.0.1:8080/example/test.jsp -H "Forwarded: for=192.0.2.43;by=203.0.113.60;proto=http;host=192.0.2.10:7777"