Openshift hacks

OpenshiftRequestWrapperFilter.java

import static com.google.common.base.Objects.firstNonNull;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

public class OpenshiftRequestWrapperFilter
    implements Filter {

    @Override
    public void init(FilterConfig config)
        throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
        chain.doFilter(new OpenshiftHttpServletRequest((HttpServletRequest) request), response);
    }

    @Override
    public void destroy() {

    }

    public class OpenshiftHttpServletRequest
        extends HttpServletRequestWrapper
        implements HttpServletRequest {

        public OpenshiftHttpServletRequest(HttpServletRequest request) {
            super(request);
        }

        @Override
        public String getRemoteAddr() {
            return firstNonNull(getHeader("x-forwarded-for"), super.getRemoteAddr());
        }

        @Override
        public boolean isSecure() {
            return super.isSecure() || "https".equals(getHeader("x-forwarded-proto"));
        }
    }
}