org.glimpse.server.ConnectionFilter.java Source code

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Here is the source code for org.glimpse.server.ConnectionFilter.java

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/*
 * Copyright (C) 2009 Nicolas Dutertry
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.glimpse.server;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.glimpse.client.UserAttributes;
import org.glimpse.server.manager.UserManager;
import org.springframework.web.context.support.WebApplicationContextUtils;

public class ConnectionFilter implements Filter {
    private static final Log logger = LogFactory.getLog(ConnectionFilter.class);

    /*
    private static final String[] ADMIN_PATHS = {
       "/servlets/modify-user",
       "/servlets/user-admin",
       "/monitoring"
    };
    */

    private ServletContext servletContext;

    public void init(FilterConfig config) throws ServletException {
        servletContext = config.getServletContext();
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        boolean userOk = false;
        String connectionId = GlimpseUtils.getConnectionId((HttpServletRequest) request);
        if (StringUtils.isNotEmpty(connectionId)) {
            if (logger.isDebugEnabled()) {
                logger.debug("Connection id found : <" + connectionId + ">");
            }

            UserManager userManager = WebApplicationContextUtils.getWebApplicationContext(servletContext)
                    .getBean(UserManager.class);
            String userId = userManager.getUserId(connectionId);
            if (StringUtils.isNotBlank(userId)) {
                if (logger.isDebugEnabled()) {
                    logger.debug("User id is : <" + userId + ">");
                }

                request.setAttribute(GlimpseUtils.REQUEST_ATTRIBUTE_USER_ID, userId);
                UserAttributes userAttributes = userManager.getUserAttributes(userId);
                request.setAttribute(GlimpseUtils.REQUEST_ATTRIBUTE_USER_ATTRIBUTES, userAttributes);
                userOk = true;
            }
        }

        if (!userOk) {
            logger.debug("No valid connection id found");
            request.removeAttribute(GlimpseUtils.REQUEST_ATTRIBUTE_USER_ID);
            request.removeAttribute(GlimpseUtils.REQUEST_ATTRIBUTE_USER_ATTRIBUTES);
        }
        chain.doFilter(request, response);
    }

    public void destroy() {
    }

    /*
    private boolean isAdminRequest(HttpServletRequest httprequest) {
       String uri = httprequest.getRequestURI();
       for (String path : ADMIN_PATHS) {
     if(uri.startsWith(httprequest.getContextPath() + path)) {
        return true;
     }
       }
       return false;
    }
    */

}