CloudAuthenticationSuccessHandler.java

package eu.europeana.cloud.service.aas.authentication.handlers;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler;
import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
import org.springframework.security.web.savedrequest.RequestCache;
import org.springframework.security.web.savedrequest.SavedRequest;
import org.springframework.util.StringUtils;

/**
 * Custom success handler, answers requests with 200 OK.
 *
 * @author emmanouil.koufakis@theeuropeanlibrary.org
 *
 */
public class CloudAuthenticationSuccessHandler extends SimpleUrlAuthenticationSuccessHandler {

    private RequestCache requestCache = new HttpSessionRequestCache();

    @Override
    public void onAuthenticationSuccess(HttpServletRequest request,
            HttpServletResponse response, Authentication authentication)
            throws ServletException, IOException {
        SavedRequest savedRequest = requestCache.getRequest(request, response);

        if (savedRequest == null) {
            clearAuthenticationAttributes(request);
            return;
        }
        
        String targetUrlParam = getTargetUrlParameter();
        if (isAlwaysUseDefaultTargetUrl()
                || (targetUrlParam != null && StringUtils.hasText(request
                        .getParameter(targetUrlParam)))) {
            requestCache.removeRequest(request, response);
            clearAuthenticationAttributes(request);
            return;
        }

        clearAuthenticationAttributes(request);
    }

    public void setRequestCache(RequestCache requestCache) {
        this.requestCache = requestCache;
    }
}