eu.trentorise.smartcampus.permissionprovider.controller.CookieCleaner.java Source code

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Here is the source code for eu.trentorise.smartcampus.permissionprovider.controller.CookieCleaner.java

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/**
 *    Copyright 2012-2013 Trento RISE
 *
 *    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 eu.trentorise.smartcampus.permissionprovider.controller;

import java.io.IOException;

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

import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.CookieClearingLogoutHandler;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import org.springframework.util.StringUtils;

/**
 * @author raman
 *
 */
public class CookieCleaner implements LogoutSuccessHandler {

    private String[] cookieNames;
    private String redirect;

    /**
     * @param cookiePrefixes
     */
    public CookieCleaner(String cookiePrefixes, String redirect) {
        super();
        this.cookieNames = cookiePrefixes.split(",");
        this.redirect = redirect;
    }

    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response,
            Authentication authentication) throws IOException, ServletException {
        for (String s : cookieNames) {
            Cookie cookie = new Cookie(s, null);
            cookie.setPath("/");
            cookie.setMaxAge(0);
            response.addCookie(cookie);

            cookie = new Cookie(s, null);
            cookie.setPath(request.getContextPath() + "/eauth/");
            cookie.setMaxAge(0);
            response.addCookie(cookie);
        }

        if (request.getCookies() != null) {
            for (int i = 0; i < request.getCookies().length; i++) {
                Cookie cookie = request.getCookies()[i];
                for (String s : cookieNames) {
                    if (cookie.getName().startsWith(s)) {
                        cookie = new Cookie(cookie.getName(), null);
                        cookie.setPath("/");
                        cookie.setMaxAge(0);
                        response.addCookie(cookie);

                        cookie = new Cookie(cookie.getName(), null);
                        cookie.setPath(request.getContextPath() + "/eauth/");
                        cookie.setMaxAge(0);
                        response.addCookie(cookie);
                    }
                }
            }
        }
        request.getSession().invalidate();
        if (authentication != null)
            authentication.setAuthenticated(false);
        response.sendRedirect(request.getContextPath() + redirect);
    }

}