@Override
public void enter(ViewChangeEvent event) {
if (((MyUI) UI.getCurrent()).getLogged() == false) {
getUI().getNavigator().navigateTo(MyUI.LOGIN_USER);
}
((MyUI) UI.getCurrent()).setLogged(false);
((MyUI) UI.getCurrent()).setUserLogin(null);
((MyUI) UI.getCurrent()).setUserPass(null);
((MyUI) UI.getCurrent()).setUserId(-1);
{
Cookie newCookie = new Cookie("userLogin", "");
newCookie.setComment("userLogin user");
newCookie.setMaxAge(0);
newCookie.setPath("/");
VaadinService.getCurrentResponse().addCookie(newCookie);
newCookie = new Cookie("userPass", "");
newCookie.setComment("pass user");
newCookie.setMaxAge(0);
newCookie.setPath("/");
VaadinService.getCurrentResponse().addCookie(newCookie);
newCookie = new Cookie("userId", "");
newCookie.setComment("id user");
newCookie.setMaxAge(0);
newCookie.setPath("/");
VaadinService.getCurrentResponse().addCookie(newCookie);
}
getUI().getNavigator().navigateTo(MyUI.MAIN);
}
/**
* Find the UI for the atmosphere resource, lock it and invoke the callback.
*
* @param resource the atmosphere resource for the current request
* @param callback the push callback to call when a UI is found and locked
*/
private void callWithUi(final AtmosphereResource resource, final PushEventCallback callback) {
AtmosphereRequest req = resource.getRequest();
VaadinServletRequest vaadinRequest = new VaadinServletRequest(req, service);
VaadinSession session = null;
service.requestStart(vaadinRequest, null);
try {
try {
session = service.findVaadinSession(vaadinRequest);
} catch (ServiceException e) {
getLogger().log(Level.SEVERE, "Could not get session. This should never happen", e);
} catch (SessionExpiredException e) {
SystemMessages msg =
service.getSystemMessages(
ServletPortletHelper.findLocale(null, null, vaadinRequest), vaadinRequest);
try {
resource
.getResponse()
.getWriter()
.write(
VaadinService.createCriticalNotificationJSON(
msg.getSessionExpiredCaption(),
msg.getSessionExpiredMessage(),
null,
msg.getSessionExpiredURL()));
} catch (IOException e1) {
getLogger().log(Level.WARNING, "Failed to notify client about unavailable session", e);
}
return;
}
session.lock();
try {
VaadinSession.setCurrent(session);
// Sets UI.currentInstance
final UI ui = service.findUI(vaadinRequest);
if (ui == null) {
// This a request through an already open push connection to
// a UI which no longer exists.
resource
.getResponse()
.getWriter()
.write(UidlRequestHandler.getUINotFoundErrorJSON(service, vaadinRequest));
// End the connection
resource.resume();
return;
}
callback.run(resource, ui);
} catch (IOException e) {
getLogger().log(Level.INFO, "An error occured while writing a push response", e);
} finally {
session.unlock();
}
} finally {
service.requestEnd(vaadinRequest, null, session);
}
}
@Override
public void sessionDestroy(SessionDestroyEvent event) {
VaadinRequest request = VaadinService.getCurrentRequest();
HttpServletRequest httpRequest =
request != null ? ((VaadinServletRequest) request).getHttpServletRequest() : null;
getSecurityManager()
.logout(
new AuthorizationRequest(
null, httpRequest, httpRequest != null ? httpRequest.getSession() : null));
}
/* (non-Javadoc)
* @see com.mapping.configuration.ui.action.Action#exectuteAction()
*/
@Override
public void exectuteAction() {
IkasanAuthentication ikasanAuthentication =
(IkasanAuthentication)
VaadinService.getCurrentRequest()
.getWrappedSession()
.getAttribute(DashboardSessionValueConstants.USER);
VaadinService.getCurrentRequest()
.getWrappedSession()
.setAttribute(DashboardSessionValueConstants.USER, null);
this.visibilityGroup.setVisible();
this.editableGroup.setEditable(false);
layout.removeComponent(this.logOutButton);
layout.addComponent(this.loginButton, 2, 0);
layout.addComponent(this.setupButton, 3, 0);
layout.setComponentAlignment(this.setupButton, Alignment.MIDDLE_RIGHT);
layout.setComponentAlignment(this.loginButton, Alignment.MIDDLE_RIGHT);
this.layout.removeComponent(userLabel);
VaadinSession vSession = VaadinSession.getCurrent();
WrappedSession httpSession = vSession.getSession();
this.navigationPanel.reset();
// Invalidate HttpSession
httpSession.invalidate();
vSession.close();
systemEventService.logSystemEvent(
SystemEventConstants.DASHBOARD_LOGOUT_CONSTANTS,
"User logging out: " + ikasanAuthentication.getName(),
ikasanAuthentication.getName());
// Redirect the user to the login/default Page
Page.getCurrent().setLocation("/ikasan-dashboard");
}
void loadCookies() {
Cookie[] cookies = VaadinService.getCurrentRequest().getCookies();
for (Cookie cookie : cookies) {
if ("userLogin".equals(cookie.getName()) && cookie.getValue().isEmpty() == false) {
this.userLogin = cookie.getValue();
} else if ("userPass".equals(cookie.getName()) && cookie.getValue().isEmpty() == false) {
this.userPass = cookie.getValue();
} else if ("userId".equals(cookie.getName()) && cookie.getValue().isEmpty() == false) {
this.userId = Integer.parseInt(cookie.getValue());
}
}
if (this.userId > 0 && this.userLogin.isEmpty() == false && this.userPass.isEmpty() == false) {
this.logged = true;
}
}
@Override
public void sessionInit(SessionInitEvent event) throws ServiceException {
// event.getSession().setErrorHandler(new UIErrorHandler());
Cookie langCookie = null;
if (event.getRequest() != null) {
for (Cookie cookie : event.getRequest().getCookies())
if (cookie.getName().equals(VWebCommonConstants.USER_LANGUAGE_APPCOOKIE)) {
langCookie = cookie;
break;
}
}
if (langCookie == null) langCookie = createLanguageCookie(event.getRequest());
event.getSession().setLocale(LocaleUtils.toLocale(langCookie.getValue()));
VaadinService.getCurrentResponse().addCookie(langCookie);
}
@Override
public void run(AtmosphereResource resource, UI ui) throws IOException {
getLogger()
.log(Level.FINER, "New push connection with transport {0}", resource.transport());
resource.getResponse().setContentType("text/plain; charset=UTF-8");
VaadinSession session = ui.getSession();
if (resource.transport() == TRANSPORT.STREAMING) {
// IE8 requires a longer padding to work properly if the
// initial message is small (#11573). Chrome does not work
// without the original padding...
WebBrowser browser = session.getBrowser();
if (browser.isIE() && browser.getBrowserMajorVersion() == 8) {
resource.padding(LONG_PADDING);
}
// Must ensure that the streaming response contains
// "Connection: close", otherwise iOS 6 will wait for the
// response to this request before sending another request to
// the same server (as it will apparently try to reuse the same
// connection)
resource.getResponse().addHeader("Connection", "close");
}
String requestToken =
resource.getRequest().getParameter(ApplicationConstants.CSRF_TOKEN_PARAMETER);
if (!VaadinService.isCsrfTokenValid(session, requestToken)) {
getLogger()
.log(
Level.WARNING,
"Invalid CSRF token in new connection received from {0}",
resource.getRequest().getRemoteHost());
// Refresh on client side, create connection just for
// sending a message
sendRefreshAndDisconnect(resource);
return;
}
resource.suspend();
AtmospherePushConnection connection = new AtmospherePushConnection(ui);
connection.connect(resource);
ui.setPushConnection(connection);
}
@Override
public void run(AtmosphereResource resource, UI ui) throws IOException {
AtmosphereRequest req = resource.getRequest();
AtmospherePushConnection connection = getConnectionForUI(ui);
assert connection != null
: "Got push from the client "
+ "even though the connection does not seem to be "
+ "valid. This might happen if a HttpSession is "
+ "serialized and deserialized while the push "
+ "connection is kept open or if the UI has a "
+ "connection of unexpected type.";
Reader reader = connection.receiveMessage(req.getReader());
if (reader == null) {
// The whole message was not yet received
return;
}
// Should be set up by caller
VaadinRequest vaadinRequest = VaadinService.getCurrentRequest();
assert vaadinRequest != null;
try {
new ServerRpcHandler().handleRpc(ui, reader, vaadinRequest);
connection.push(false);
} catch (JSONException e) {
getLogger().log(Level.SEVERE, "Error writing JSON to response", e);
// Refresh on client side
sendRefreshAndDisconnect(resource);
} catch (InvalidUIDLSecurityKeyException e) {
getLogger()
.log(
Level.WARNING,
"Invalid security key received from {0}",
resource.getRequest().getRemoteHost());
// Refresh on client side
sendRefreshAndDisconnect(resource);
}
}
/**
* Sends a refresh message to the given atmosphere resource. Uses an AtmosphereResource instead of
* an AtmospherePushConnection even though it might be possible to look up the
* AtmospherePushConnection from the UI to ensure border cases work correctly, especially when
* there temporarily are two push connections which try to use the same UI. Using the
* AtmosphereResource directly guarantees the message goes to the correct recipient.
*
* @param resource The atmosphere resource to send refresh to
*/
private static void sendRefreshAndDisconnect(AtmosphereResource resource) throws IOException {
AtmospherePushConnection connection = new AtmospherePushConnection(null);
connection.connect(resource);
connection.sendMessage(VaadinService.createCriticalNotificationJSON(null, null, null, null));
connection.disconnect();
}
