com.utest.webservice.util.SessionUtil.java Source code

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/**
 *
 * Licensed under the GNU General Public License (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.gnu.org/licenses/gpl.txt
 *
 * 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.
 *
 * 
 * @author Vadim Kisen
 *
 * copyright 2010 by uTest 
 */
package com.utest.webservice.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.ws.rs.core.Cookie;

import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.message.Message;
import org.jboss.util.Base64;
import org.springframework.security.core.Authentication;

public class SessionUtil {
    public static final String SESSION_NAME = "JSESSIONID";
    public static final String AUTH_TOKEN = "USERTOKEN";

    public static String extractSession(MessageContext context, boolean insertToResponze) {
        HttpServletRequest req = context.getHttpServletRequest();
        javax.servlet.http.Cookie[] available = req.getCookies();
        String sessionId = null;
        if (available != null) {
            for (javax.servlet.http.Cookie ck : available) {
                if (SESSION_NAME.equalsIgnoreCase(ck.getName())) {
                    sessionId = ck.getValue();
                }
            }
        }
        if (sessionId == null) {
            HttpSession session = req.getSession();
            sessionId = session.getId();
            if (insertToResponze) {
                javax.servlet.http.Cookie cookie = new javax.servlet.http.Cookie(SESSION_NAME, sessionId);
                context.getHttpServletResponse().addCookie(cookie);
            }
        }
        return sessionId;
    }

    @SuppressWarnings("unchecked")
    public static Authentication getAuthenticationToken(Message message) {
        Map<String, List<String>> headers = (Map<String, List<String>>) message.get(Message.PROTOCOL_HEADERS);
        String token = null;
        for (Cookie c : extractCookies(headers.get("cookie"))) {
            if (AUTH_TOKEN.equalsIgnoreCase(c.getName())) {
                token = c.getValue();
                break;
            }
        }
        if (token == null) {
            return null;
        }
        try {
            return (Authentication) Base64.decodeToObject(token);
        } catch (Exception e) {
            return null;
        }

    }

    private static List<Cookie> extractCookies(List<String> cookie) {
        List<Cookie> cookies = new ArrayList<Cookie>();
        if (cookie == null)
            return cookies;
        for (String one : cookie) {
            if (one.contains(";")) {
                for (String o : one.split(";")) {
                    cookies.add(toCookie(o));
                }
            } else {
                cookies.add(toCookie(one));
            }
        }
        return cookies;
    }

    private static Cookie toCookie(String one) {
        try {
            Cookie c = Cookie.valueOf(one);
            System.out.println("Cookie name=" + c.getName() + "; value=[" + c.getValue() + "]");
            return c;
        } catch (Exception c) {
            return new Cookie("", "");
        }

    }
}