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POJSF ServletFilter Restriction on Restricted pages when logged in
 

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  1. POJSF ServletFilter Restriction on Restricted pages when logged in
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    <p>I've this servlet filter servlet called everytime a file (images and xhtmls) from my "com.shadibandhan.Restricted" folder is called.</p> <p>I'm using JSF, so there's also <strong>Faces Servlet</strong>.</p> <p>This is my web.xml</p> <pre><code> &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"&gt; &lt;context-param&gt; &lt;param-name&gt;javax.faces.PROJECT_STAGE&lt;/param-name&gt; &lt;param-value&gt;Production&lt;/param-value&gt; &lt;/context-param&gt; &lt;servlet&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;servlet-class&gt;javax.faces.webapp.FacesServlet&lt;/servlet-class&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet&gt; &lt;servlet-name&gt;SbServlet&lt;/servlet-name&gt; &lt;servlet-class&gt;com.shadibandhan.ControllerLayer.SbServlet&lt;/servlet-class&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/faces/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;SbServlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/SbServlet&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;session-config&gt; &lt;session-timeout&gt; 30 &lt;/session-timeout&gt; &lt;/session-config&gt; &lt;welcome-file-list&gt; &lt;welcome-file&gt;faces/index.xhtml&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;listener&gt; &lt;listener-class&gt;com.sun.faces.config.ConfigureListener&lt;/listener-class&gt; &lt;/listener&gt; &lt;filter&gt; &lt;filter-name&gt;SessionFilter&lt;/filter-name&gt; &lt;filter-class&gt; com.shadibandhan.ControllerLayer.SessionFilter &lt;/filter-class&gt; &lt;init-param&gt; &lt;param-name&gt;avoid-urls&lt;/param-name&gt; &lt;param-value&gt;&lt;/param-value&gt; &lt;/init-param&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;SessionFilter&lt;/filter-name&gt; &lt;url-pattern&gt;/faces/com.shadibandhan.Restricted/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; &lt;filter&gt; &lt;filter-name&gt;PrimeFaces FileUpload Filter&lt;/filter-name&gt; &lt;filter-class&gt;org.primefaces.webapp.filter.FileUploadFilter&lt;/filter-class&gt; &lt;init-param&gt; &lt;param-name&gt;thresholdSize&lt;/param-name&gt; &lt;param-value&gt;4096&lt;/param-value&gt; &lt;!-- 4 Mb --&gt; &lt;/init-param&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;PrimeFaces FileUpload Filter&lt;/filter-name&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;/filter-mapping&gt; &lt;/web-app&gt; </code></pre> <p>And this is my Servlet Filter named SessionFilter</p> <pre><code>/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package com.shadibandhan.ControllerLayer; import java.io.IOException; import java.util.ArrayList; import java.util.StringTokenizer; import javax.servlet.*; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; /** * * @author MUDASSIR */ public class SessionFilter implements Filter { private ArrayList&lt;String&gt; urlList; @Override public void init(FilterConfig config) throws ServletException { System.out.println("****************************************"); System.out.println("***Session Filter Servlet initialized***"); System.out.println("****************************************"); String urls = config.getInitParameter("avoid-urls"); System.out.println("The urls to avoid are = " + urls); StringTokenizer token = new StringTokenizer(urls, ","); urlList = new ArrayList&lt;String&gt;(); while (token.hasMoreTokens()) { urlList.add(token.nextToken()); } } @Override public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { System.out.println("This is the doFilter method"); HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) res; String servletPath = request.getRequestURI(); String contextPath = request.getContextPath(); String remoteHost = request.getRemoteHost(); String url = contextPath + servletPath; System.out.println("-----------------&gt; Servlet path is = " + servletPath); System.out.println("-----------------&gt; Context path is " + contextPath); System.out.println("-----------------&gt; URL is " + url); System.out.println("-----------------&gt; Remote Host is " + remoteHost); boolean allowedRequest = false; if (urlList.contains(servletPath)) { allowedRequest = true; } if (!allowedRequest) { HttpSession session = request.getSession(false); if (null == session) { System.out.println("Session is not present"); response.sendRedirect(contextPath); return; } if (null != session) { //String loggedIn = (String) session.getAttribute("sb_logged_in"); System.out.println("Session is present"); System.out.println("\nSession no. is = " + session.getId()); if (session.getAttribute("logged-in") == "true") { System.out.println("Session logged-in attribute is true, " + session.getAttribute("sessionUsername") + " is logged in."); //ServletContext context = request.getServletContext(); RequestDispatcher dispatcher = request.getRequestDispatcher(servletPath); dispatcher.forward(request, response); } else { System.out.println("Session logged-in attribute is not true"); response.sendRedirect(contextPath); return; } } } chain.doFilter(req, res); } @Override public void destroy() { } } </code></pre> <p>Before, I used request.getServletPath(). Now, i'm using request.getRequestURI() to get the path where the user wants to go.</p> <p>But it's not opening up the page. When ever i try to access the restricted pages, the sessionfilter is called, it gives me this error.</p> <pre><code>type Status report message /ShadiBandhan/ShadiBandhan/faces/com.shadibandhan.Restricted/home.xhtml description The requested resource (/ShadiBandhan/ShadiBandhan/faces/com.shadibandhan.Restricted/home.xhtml) is not available. </code></pre> <p>I've asked the question before but with a different title which made it unclear. <a href="https://stackoverflow.com/questions/11014039/jsf-servletfilter-restriction-on-index-page-when-logged-in">JSF ServletFilter Restriction on index page when logged in</a></p> <p><strong>NOTE</strong> It is adding the context two times. I don't know why. Can anybody please help me. Thanks</p>
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