super.removeApplication(application);
}
+ /**
+ * Reinitializing the session is not supported from portlets.
+ *
+ * @see com.vaadin.terminal.gwt.server.WebApplicationContext#reinitializeSession()
+ */
+ @Override
+ public void reinitializeSession() {
+ throw new UnsupportedOperationException(
+ "Reinitializing the session is not supported from portlets");
+ }
+
public void setPortletApplication(Portlet portlet, Application app) {
portletToApplication.put(portlet, app);
}
package com.vaadin.terminal.gwt.server;
import java.io.File;
+import java.util.Enumeration;
+import java.util.HashMap;
+import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;
import com.vaadin.Application;
public class WebApplicationContext extends AbstractWebApplicationContext {
protected transient HttpSession session;
+ private transient boolean reinitializingSession = false;
+
+ /**
+ * Stores a reference to the currentRequest. Null it not inside a request.
+ */
+ private transient Object currentRequest = null;
/**
* Creates a new Web Application Context.
}
+ @Override
+ protected void startTransaction(Application application, Object request) {
+ currentRequest = request;
+ super.startTransaction(application, request);
+ }
+
+ @Override
+ protected void endTransaction(Application application, Object request) {
+ super.endTransaction(application, request);
+ currentRequest = null;
+ }
+
+ @Override
+ public void valueUnbound(HttpSessionBindingEvent event) {
+ if (!reinitializingSession) {
+ // Avoid closing the application if we are only reinitializing the
+ // session. Closing the application would cause the state to be lost
+ // and a new application to be created, which is not what we want.
+ super.valueUnbound(event);
+ }
+ }
+
+ /**
+ * Discards the current session and creates a new session with the same
+ * contents. The purpose of this is to introduce a new session key in order
+ * to avoid session fixation attacks.
+ */
+ @SuppressWarnings("unchecked")
+ public void reinitializeSession() {
+
+ HttpSession oldSession = getHttpSession();
+
+ // Stores all attributes (security key, reference to this context
+ // instance) so they can be added to the new session
+ HashMap<String, Object> attrs = new HashMap<String, Object>();
+ for (Enumeration<String> e = oldSession.getAttributeNames(); e
+ .hasMoreElements();) {
+ String name = e.nextElement();
+ attrs.put(name, oldSession.getAttribute(name));
+ }
+
+ // Invalidate the current session, set flag to avoid call to
+ // valueUnbound
+ reinitializingSession = true;
+ oldSession.invalidate();
+ reinitializingSession = false;
+
+ // Create a new session
+ HttpSession newSession = ((HttpServletRequest) currentRequest)
+ .getSession();
+
+ // Restores all attributes (security key, reference to this context
+ // instance)
+ for (String name : attrs.keySet()) {
+ newSession.setAttribute(name, attrs.get(name));
+ }
+
+ // Update the "current session" variable
+ session = newSession;
+ }
+
/**
* Gets the application context base directory.
*
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head profile="http://selenium-ide.openqa.org/profiles/test-case">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<link rel="selenium.base" href="http://arturwin.office.itmill.com:8888/" />
+<title>ChangeSessionId</title>
+</head>
+<body>
+<table cellpadding="1" cellspacing="1" border="1">
+<thead>
+<tr><td rowspan="1" colspan="3">ChangeSessionId</td></tr>
+</thead><tbody>
+<tr>
+ <td>open</td>
+ <td>/run/com.vaadin.tests.applicationcontext.ChangeSessionId?restartApplication</td>
+ <td></td>
+</tr>
+<tr>
+ <td>click</td>
+ <td>vaadin=runcomvaadintestsapplicationcontextChangeSessionId::/VVerticalLayout[0]/ChildComponentContainer[1]/VButton[0]/domChild[0]/domChild[0]</td>
+ <td></td>
+</tr>
+<tr>
+ <td>click</td>
+ <td>vaadin=runcomvaadintestsapplicationcontextChangeSessionId::/VVerticalLayout[0]/ChildComponentContainer[2]/VButton[0]/domChild[0]/domChild[0]</td>
+ <td></td>
+</tr>
+<tr>
+ <td>assertText</td>
+ <td>vaadin=runcomvaadintestsapplicationcontextChangeSessionId::PID_SLog_row_1</td>
+ <td>2. Session id changed successfully from * to *</td>
+</tr>
+
+</tbody></table>
+</body>
+</html>
--- /dev/null
+package com.vaadin.tests.applicationcontext;\r
+\r
+import com.vaadin.terminal.gwt.server.WebApplicationContext;\r
+import com.vaadin.tests.components.AbstractTestCase;\r
+import com.vaadin.tests.util.Log;\r
+import com.vaadin.ui.Button;\r
+import com.vaadin.ui.Button.ClickEvent;\r
+import com.vaadin.ui.Button.ClickListener;\r
+import com.vaadin.ui.Window;\r
+\r
+public class ChangeSessionId extends AbstractTestCase {\r
+\r
+ private Log log = new Log(5);\r
+ Button loginButton = new Button("Change session");\r
+ boolean requestSessionSwitch = false;\r
+\r
+ @Override\r
+ public void init() {\r
+ Window mainWindow = new Window("Sestest Application");\r
+ mainWindow.addComponent(log);\r
+ mainWindow.addComponent(loginButton);\r
+ mainWindow.addComponent(new Button("Show session id",\r
+ new Button.ClickListener() {\r
+\r
+ public void buttonClick(ClickEvent event) {\r
+ logSessionId();\r
+ }\r
+ }));\r
+ setMainWindow(mainWindow);\r
+\r
+ loginButton.addListener(new ClickListener() {\r
+ public void buttonClick(ClickEvent event) {\r
+ WebApplicationContext context = ((WebApplicationContext) getContext());\r
+\r
+ String oldSessionId = context.getHttpSession().getId();\r
+ context.reinitializeSession();\r
+ String newSessionId = context.getHttpSession().getId();\r
+ if (oldSessionId.equals(newSessionId)) {\r
+ log.log("FAILED! Both old and new session id is "\r
+ + newSessionId);\r
+ } else {\r
+ log.log("Session id changed successfully from "\r
+ + oldSessionId + " to " + newSessionId);\r
+ }\r
+\r
+ }\r
+ });\r
+ logSessionId();\r
+ }\r
+\r
+ private void logSessionId() {\r
+ log.log("Session id: " + getSessionId());\r
+ }\r
+\r
+ protected String getSessionId() {\r
+ return ((WebApplicationContext) getContext()).getHttpSession().getId();\r
+ }\r
+\r
+ @Override\r
+ protected String getDescription() {\r
+ return "Tests that the session id can be changed to prevent session fixation attacks";\r
+ }\r
+\r
+ @Override\r
+ protected Integer getTicketNumber() {\r
+ return 6094;\r
+ }\r
+\r
+}
\ No newline at end of file