/*
 * Copyright 2019 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.testsuite;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;

import org.keycloak.services.filters.KeycloakSessionServletFilter;

/**
 * @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
 */
public class TestKeycloakSessionServletFilter extends KeycloakSessionServletFilter {

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {
        super.doFilter(new HttpServletRequestWrapper((HttpServletRequest) servletRequest) {
            @Override
            public String getRemoteAddr() {
                String forwardedFor = getHeader("X-Forwarded-For");

                if (forwardedFor != null) {
                    return forwardedFor;
                }

                return super.getRemoteAddr();
            }
        }, servletResponse, filterChain);
    }
}