/**
* Copyright (c) 2011-2014, OpenIoT
*
* This file is part of OpenIoT.
*
* OpenIoT is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* OpenIoT 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenIoT. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: OpenIoT mailto: info@openiot.eu
* @author Behnaz Bostanipour
* @author Timotee Maret
* @author Julien Eberle
*/
package org.openiot.gsn.http.ac;
import org.openiot.gsn.Main;
import org.apache.log4j.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;
/**
* Created by IntelliJ IDEA.
* User: Behnaz Bostanipour
* Date: Apr 25, 2010
* Time: 10:48:39 AM
* To change this template use File | Settings | File Templates.
*/
public class MyOwnerWaitingListServlet extends HttpServlet
{
/****************************************** Servlet Methods*******************************************/
/****************************************************************************************************/
private static transient Logger logger = Logger.getLogger( MyOwnerWaitingListServlet.class );
public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException
{
res.setContentType("text/html");
PrintWriter out = res.getWriter();
// Get the session
HttpSession session = req.getSession();
ConnectToDB ctdb = null;
User user = (User) session.getAttribute("user");
if (user == null)
{
this.redirectToLogin(req,res);
}
else
{
this.checkSessionScheme(req,res);
//ConnectToDB ctdb = new ConnectToDB();
this.printHeader(out);
this.printLayoutMastHead(out, user );
this.printLayoutContent(out);
try
{
ctdb = new ConnectToDB();
Vector datasourceNames=ctdb.getDataSourceNamesListForThisOwner(user);
if(datasourceNames.size()==0)
{
out.println("<p>There is no virtual sensor entry in the owner waiting list ! </p>");
}
else
{
int sizeOfPastusers=0;
for(int i=0;i<datasourceNames.size();i++)
{
Vector users = ctdb.completeUsersList( ctdb.getUsersWaitingForThisOwnerDecision((String)(datasourceNames.get(i))));
if(users.size()!=0)
{
sizeOfPastusers=users.size();
}
for(int j=0;j<users.size();j++)
{
this.printNewEntry(out,(User)users.get(j));
}
if(users.size()==0 && (i+1)==datasourceNames.size() && sizeOfPastusers==0)
{
out.println("<p> There is no user entry in the owner waiting list ! </p>");
}
}
}
}
catch(Exception e)
{
out.println("Exception caught : "+e.getMessage());
}
finally
{
if(ctdb!=null)
{
ctdb.closeStatement();
ctdb.closeConnection();
}
}
}
this.printLayoutFooter(out);
}
public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
{
handleForm(req, res);
doGet(req,res);
}
/****************************************** HTML Printing Methods*******************************************/
/***********************************************************************************************************/
private void printHeader(PrintWriter out)
{
out.println("<HTML>");
out.println("<HEAD>");
//For Java Script!!
//this.printEmbeddedJS(out);
out.println("<script type=\"text/javascript\" src=\"/js/acjavascript.js\"></script>");
out.println("<TITLE>Owner Waiting List</TITLE>");
out.println(" <link rel=\"stylesheet\" media=\"screen\" type=\"text/css\" href=\"/style/acstyle.css\"/>");
//printStyle(out);
out.println("</HEAD>");
//out.println("<body>");
out.println("<body onload=\"loadScroll()\" onunload=\"saveScroll()\" >");
out.println("<div id=\"container\">");
out.println("<div class=box>");
}
private void printLayoutMastHead(PrintWriter out, User user)
{
out.println("<div id=\"masthead\">");
out.println("<div class=\"image_float\"><img src=\"/style/gsn-mark.png\" alt=\"GSN logo\" /></div><br>");
out.println("<h1>Owner Waiting List </h1>");
out.println("<div class=\"spacer\"></div>");
out.println("</div>");
out.println("<div id=\"mastheadborder\">");
this.printLinks(out);
this.printUserName(out, user);
out.println("<br><br>");
out.println("</div>");
}
private void printLayoutContent(PrintWriter out)
{
out.println("<div id=\"content\">");
}
private void printLayoutFooter(PrintWriter out)
{
out.println("</div>");
out.println("<div id=\"footer\">");
out.println(" <p align=\"center\"><FONT COLOR=\"#000000\"/>Powered by <a class=\"nonedecolink\" href=\"http://globalsn.sourceforge.net/\">GSN</a>, Distributed Information Systems Lab, EPFL 2010</p>");
out.println("</div>");//footer
out.println("</div>");//box
out.println("</div>");//container
out.println("</body>");
out.println("</html>");
}
private void printNewEntry(PrintWriter out,User user) throws ServletException
{
out.println("<h2>New Entry In Waiting List</h2>");
out.println("<div class=\"image_float\">");
this.printUserInformation(out,user);
out.println("</div>");
this.printForms(out,user);
out.println("<div class=\"spacer\"></div>");
}
private void printLinks(PrintWriter out)
{
//out.println("<a class=linkclass href=\"/gsn/MyLoginHandlerServlet\">login</a>");
//out.println("<a class=linkclass href=/gsn/MyAccessRightsManagementServlet>access rights management</a>");
out.println("<a class=linkclass href=\"/gsn/MyUserAccountManagementServlet\">User account</a>");
out.println("<a class=linkclass href=\"/gsn/MyLogoutHandlerServlet\">logout</a>");
//out.println("<a class=linkclass href=\"/\">GSN home</a>");
}
private void printUserName(PrintWriter out, User user)
{
//String username=user.getUserName();
out.println("<p id=\"login\">logged in as : "+user.getUserName()+"</p>");
}
private void printForms(PrintWriter out,User user) throws ServletException
{
out.println("<B> Do you agree that this candidate register for this virtual sensor? </B><br><br>");
out.println("<table class=\"transparenttable\">");
printForm(out, user);
//printNoForm(out, user);
out.println("</table>");
}
private void printForm(PrintWriter out, User user)
{
String username=user.getUserName();
String datasourcename= user.getDataSource().getDataSourceName();
out.println("<FORM METHOD=POST>");
out.println("Time limitation (Month/Day/Year): <INPUT TYPE=\"date\" name=\"deadline\">");
out.println("<INPUT TYPE=\"checkbox\" name=\"unlimited\" >Unlimited Access");
out.println("<p>For Mozilla, please specify: Year/Month/Day</p>");
out.println("<INPUT TYPE=HIDDEN NAME=username VALUE="+username+">");
out.println("<INPUT TYPE=HIDDEN NAME=datasourcename VALUE="+datasourcename+">");
//out.println("<INPUT TYPE=HIDDEN NAME=register VALUE= Yes>");
out.println("<tr><td><INPUT TYPE=SUBMIT class= buttonstyle NAME=register VALUE=Yes></td>");
out.println("<td><INPUT TYPE=SUBMIT class= buttonstyle NAME=register VALUE=No></td></tr>");
out.println("</FORM>");
}
private void printNoForm(PrintWriter out, User user)
{
String username=user.getUserName();
String datasourcename= user.getDataSource().getDataSourceName();
out.println("<FORM METHOD=POST>");
out.println("<INPUT TYPE=HIDDEN NAME=username VALUE="+username+">");
out.println("<INPUT TYPE=HIDDEN NAME=datasourcename VALUE="+datasourcename+">");
out.println("<INPUT TYPE=HIDDEN NAME=register VALUE= No>");
out.println("<td><INPUT TYPE=SUBMIT class= buttonstyle VALUE=\"No\"></td></tr>");
out.println("</FORM>");
}
private void printUserInformation(PrintWriter out,User user)
{
out.println("<table>");
out.println("<tr>");
out.println("<th>first name</th>");
out.println("<td>"+ user.getFirstName() +"</td>");
out.println("</tr>");
out.println("<tr>");
out.println("<th>last name</th>");
out.println("<td>"+ user.getLastName() +"</td>");
out.println("</tr>");
out.println("<tr>");
out.println("<th>E-mail</th>");
out.println("<td>"+ user.getEmail() +"</td>");
out.println("</tr>");
out.println("<tr>");
out.println("<th>virtual sensor name</th>");
out.println("<td>"+ user.getDataSource().getDataSourceName() +"</td>");
out.println("</tr>");
out.println("<tr>");
out.println("<th>access right</th>");
out.println("<td>"+ setLabel(user.getDataSource()) +"</td>");
out.println("</tr>");
out.println("</table>");
}
private String setLabel(DataSource ds)
{
String label=null;
if(ds.getDataSourceType().charAt(1)=='1')
{
label="read";
}
else if(ds.getDataSourceType().charAt(1)=='2')
{
label="write";
}
else if(ds.getDataSourceType().charAt(1)=='3')
{
label="read/write";
}
return label;
}
/****************************************** AC Related Methods*******************************************/
/***********************************************************************************************************/
void handleForm(HttpServletRequest req, HttpServletResponse res)
{
HttpSession session = req.getSession();
User user = (User) session.getAttribute("user"); ////////
PrintWriter out = (PrintWriter) session.getAttribute("out");
ParameterSet pm = new ParameterSet(req);
ConnectToDB ctdb =null;
try
{
String decision = null; ///////////////
ctdb= new ConnectToDB();
if(pm.valueForName("register")==null)
{
return;
}
else if(pm.valueForName("register").equals("Yes"))
{
//pm.valueForName("unlimited")
// if the user has not specified a date and not unlimited access is set
if (( pm.valueForName("unlimited") == null) && pm.valueForName("deadline").length() < 2) { // The user should have defined a limitation date
this.manageUserAlert(out, "Please, specify the Time limitations!"); // print an error message
} else {
if ( pm.valueForName("unlimited") == null) { // if the user has provided a time limitation
ctdb.insertThreeColumnsValuesStrings(pm.valueForName("username"), pm.valueForName("datasourcename"), pm.valueForName("deadline"), "ACACCESS_DURATION");
}
ctdb.updateOwnerDecision("has accepted the registration",pm.valueForName("username"), pm.valueForName("datasourcename") );
decision = "has been accepted by its owner.\n"; ////////////////
}
}
else if(pm.valueForName("register").equals("No"))
{
ctdb.updateOwnerDecision("has refused the registration",pm.valueForName("username"), pm.valueForName("datasourcename") );
decision = "has been refused by its owner.\n"; ///////////////
}
if (decision != null) {
Emailer email = new Emailer();
User userFromBD = ctdb.getUserForUserName("Admin"); // get the details for the Admin account
String msgHead = "Dear "+userFromBD.getFirstName() +", "+"\n"+"\n";
String msgTail = "Best Regards,"+"\n"+"GSN Team";
String msgBody = "A request for a Virtual Sensor " + decision
+"The Virtual Sensor is: " + pm.valueForName("datasourcename")+
"\nThe details of its owner are as follows: \n" +
"First name: " + user.getFirstName() + "\n"+
"Last name: " + user.getLastName() + "\n"+
"Email address: " + user.getEmail() + "\n\n"+
"You can manage this change by choosing the following options in GSN:\n"+
"Access Rights Management -> Admin Only -> Users Updates Waiting List\n"+
"or via the URL: "+req.getServerName()+":"+req.getServerPort()+"/gsn/MyUserUpdateWaitingListServlet\n\n";
// first change Emailer class params to use sendEmail
email.sendEmail( "GSN ACCESS ", "GSN USER",userFromBD.getEmail(),"Update for a Virtual Sensor access", msgHead, msgBody, msgTail);
}
}
catch(Exception e)
{
out.println("Exception caught : "+e.getMessage());
}
finally
{
if(ctdb!=null)
{
ctdb.closeStatement();
ctdb.closeConnection();
}
}
}
private void manageUserAlert(PrintWriter out, String alertMessage)
{
this.createAlertBox(out, alertMessage);
this.callAlertBox(out);
}
private void createAlertBox(PrintWriter out, String alertMessage)
{
out.println("<div id=\"AlertBox\" class=\"alert\">");
out.println("<p>");
out.println(alertMessage );
out.println("</p>");
out.println("<form style=\"text-align:right\">");
out.println("<input");
out.println("type=\"button\"");
out.println("class= alertbuttonstyle");
out.println("value=\"OK\"");
out.println("style=\"width:75px;\"");
out.println("onclick=\"document.getElementById('AlertBox').style.display='none'\">");
out.println("</form>");
out.println("</div>");
}
private void callAlertBox(PrintWriter out)
{
out.println("<SCRIPT LANGUAGE=\"JavaScript\" TYPE=\"TEXT/JAVASCRIPT\">");
out.println("function DisplayAlert(id,left,top) {");
out.println("document.getElementById(id).style.left=left+'px';");
out.println("document.getElementById(id).style.top=top+'px';");
out.println("document.getElementById(id).style.display='block';");
out.println("}");
out.println("DisplayAlert('AlertBox',500,200);");
out.println("</SCRIPT>");
}
/****************************************** Client Session related Methods*******************************************/
/********************************************************************************************************************/
private void checkSessionScheme(HttpServletRequest req, HttpServletResponse res)throws IOException
{
if(req.getScheme().equals("https")== true)
{
if((req.getSession().getAttribute("scheme")==null))
{
req.getSession().setAttribute("scheme","https");
}
}
else if(req.getScheme().equals("http")== true )
{
if((req.getSession().getAttribute("scheme")==null))
{
req.getSession().setAttribute("scheme","http");
}
res.sendRedirect("https://"+req.getServerName()+":"+ Main.getContainerConfig().getSSLPort()+"/gsn/MyOwnerWaitingListServlet");
}
}
private void redirectToLogin(HttpServletRequest req, HttpServletResponse res)throws IOException
{
req.getSession().setAttribute("login.target", HttpUtils.getRequestURL(req).toString());
res.sendRedirect("/gsn/MyLoginHandlerServlet");
}
}