FeedbackServlet.java from DSpace at Krugle
Show FeedbackServlet.java syntax highlighted
/*
* FeedbackServlet.java
*
* Version: $Revision: 1947 $
*
* Date: $Date: 2007-05-18 06:50:29 -0700 (Fri, 18 May 2007) $
*
* Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.dspace.app.webui.servlet;
import java.io.IOException;
import java.net.InetAddress;
import java.sql.SQLException;
import java.util.Date;
import javax.mail.MessagingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.dspace.app.webui.util.JSPManager;
import org.dspace.authorize.AuthorizeException;
import org.dspace.core.ConfigurationManager;
import org.dspace.core.Context;
import org.dspace.core.Email;
import org.dspace.core.I18nUtil;
import org.dspace.core.LogManager;
import org.dspace.eperson.EPerson;
/**
* Servlet for handling user feedback
*
* @author Peter Breton
* @author Robert Tansley
* @version $Revision: 1947 $
*/
public class FeedbackServlet extends DSpaceServlet
{
/** log4j category */
private static Logger log = Logger.getLogger(FeedbackServlet.class);
protected void doDSGet(Context context, HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException,
SQLException, AuthorizeException
{
// Obtain information from request
// The page where the user came from
String fromPage = request.getHeader("Referer");
// Prevent spammers and splogbots from poisoning the feedback page
String host = ConfigurationManager.getProperty("dspace.hostname");
String basicHost = "";
if (host.equals("localhost") || host.equals("127.0.0.1")
|| host.equals(InetAddress.getLocalHost().getHostAddress()))
basicHost = host;
else
{
// cut off all but the hostname, to cover cases where more than one URL
// arrives at the installation; e.g. presence or absence of "www"
int lastDot = host.lastIndexOf(".");
basicHost = host.substring(host.substring(0, lastDot).lastIndexOf("."));
}
if (fromPage == null || fromPage.indexOf(basicHost) == -1)
{
throw new AuthorizeException();
}
// The email address they provided
String formEmail = request.getParameter("email");
// Browser
String userAgent = request.getHeader("User-Agent");
// Session id
String sessionID = request.getSession().getId();
// User email from context
EPerson currentUser = context.getCurrentUser();
String authEmail = null;
if (currentUser != null)
{
authEmail = currentUser.getEmail();
}
// Has the user just posted their feedback?
if (request.getParameter("submit") != null)
{
String feedback = request.getParameter("feedback");
// Check all data is there
if ((formEmail == null) || formEmail.equals("")
|| (feedback == null) || feedback.equals(""))
{
log.info(LogManager.getHeader(context, "show_feedback_form",
"problem=true"));
request.setAttribute("feedback.problem", new Boolean(true));
JSPManager.showJSP(request, response, "/feedback/form.jsp");
return;
}
// All data is there, send the email
try
{
Email email = ConfigurationManager.getEmail(I18nUtil.getEmailFilename(context.getCurrentLocale(), "feedback"));
email.addRecipient(ConfigurationManager
.getProperty("feedback.recipient"));
email.addArgument(new Date()); // Date
email.addArgument(formEmail); // Email
email.addArgument(authEmail); // Logged in as
email.addArgument(fromPage); // Referring page
email.addArgument(userAgent); // User agent
email.addArgument(sessionID); // Session ID
email.addArgument(feedback); // The feedback itself
// Replying to feedback will reply to email on form
email.setReplyTo(formEmail);
email.send();
log.info(LogManager.getHeader(context, "sent_feedback", "from="
+ formEmail));
JSPManager.showJSP(request, response,
"/feedback/acknowledge.jsp");
}
catch (MessagingException me)
{
log.warn(LogManager.getHeader(context,
"error_mailing_feedback", ""), me);
JSPManager.showInternalError(request, response);
}
}
else
{
// Display feedback form
log.info(LogManager.getHeader(context, "show_feedback_form",
"problem=false"));
request.setAttribute("authenticated.email", authEmail);
JSPManager.showJSP(request, response, "/feedback/form.jsp");
}
}
protected void doDSPost(Context context, HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException,
SQLException, AuthorizeException
{
// Treat as a GET
doDSGet(context, request, response);
}
}
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