CustomerServlet.java

package org.keycloak.testsuite.adapter;

import org.junit.Assert;
import org.keycloak.KeycloakSecurityContext;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
 * @version $Revision: 1 $
 */
public class CustomerServlet extends HttpServlet {
    private static final String LINK = "<a href=\"%s\" id=\"%s\">%s</a>";

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        PrintWriter pw = resp.getWriter();
        if (req.getRequestURI().toString().endsWith("logout")) {
            resp.setStatus(200);
            pw.println("ok");
            pw.flush();
            req.logout();
            return;
        }
        KeycloakSecurityContext context = (KeycloakSecurityContext)req.getAttribute(KeycloakSecurityContext.class.getName());
        Client client = ClientBuilder.newClient();

        try {
            WebTarget target = client.target("http://localhost:8081/customer-db");
            Response response = target.request().get();
            Assert.assertEquals(401, response.getStatus());
            response.close();
            String html = target.request()
                                .header(HttpHeaders.AUTHORIZATION, "Bearer " + context.getTokenString())
                                .get(String.class);
            resp.setContentType("text/html");
            pw.println(html);
            pw.flush();
        } finally {
            client.close();
        }


    }
}