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KapuaCloudConsole.java
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KapuaCloudConsole.java
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/*******************************************************************************
* Copyright (c) 2017, 2018 Eurotech and/or its affiliates and others
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eurotech - initial API and implementation
*******************************************************************************/
package org.eclipse.kapua.app.console.core.client;
import com.allen_sauer.gwt.log.client.Log;
import com.extjs.gxt.ui.client.Style;
import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
import com.extjs.gxt.ui.client.Style.LayoutRegion;
import com.extjs.gxt.ui.client.event.ComponentEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.util.Margins;
import com.extjs.gxt.ui.client.widget.Dialog;
import com.extjs.gxt.ui.client.widget.HorizontalPanel;
import com.extjs.gxt.ui.client.widget.Html;
import com.extjs.gxt.ui.client.widget.Label;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.Viewport;
import com.extjs.gxt.ui.client.widget.layout.BorderLayout;
import com.extjs.gxt.ui.client.widget.layout.BorderLayoutData;
import com.extjs.gxt.ui.client.widget.layout.FillLayout;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.extjs.gxt.ui.client.widget.layout.TableData;
import com.extjs.gxt.ui.client.widget.layout.TableLayout;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import org.eclipse.kapua.app.console.core.client.messages.ConsoleCoreMessages;
import org.eclipse.kapua.app.console.core.client.util.TokenCleaner;
import org.eclipse.kapua.app.console.core.shared.model.GwtProductInformation;
import org.eclipse.kapua.app.console.core.shared.model.authentication.GwtJwtCredential;
import org.eclipse.kapua.app.console.core.shared.model.authentication.GwtJwtIdToken;
import org.eclipse.kapua.app.console.core.shared.service.GwtAuthorizationService;
import org.eclipse.kapua.app.console.core.shared.service.GwtAuthorizationServiceAsync;
import org.eclipse.kapua.app.console.core.shared.service.GwtSettingsService;
import org.eclipse.kapua.app.console.core.shared.service.GwtSettingsServiceAsync;
import org.eclipse.kapua.app.console.module.api.client.messages.ConsoleMessages;
import org.eclipse.kapua.app.console.module.api.client.ui.grid.EntityGrid;
import org.eclipse.kapua.app.console.module.api.client.ui.panel.ContentPanel;
import org.eclipse.kapua.app.console.module.api.client.ui.panel.EntityFilterPanel;
import org.eclipse.kapua.app.console.module.api.client.ui.view.AbstractEntityView;
import org.eclipse.kapua.app.console.module.api.client.util.ConsoleInfo;
import org.eclipse.kapua.app.console.module.api.client.util.FailureHandler;
import org.eclipse.kapua.app.console.module.api.client.util.UserAgentUtils;
import org.eclipse.kapua.app.console.module.api.client.util.Years;
import org.eclipse.kapua.app.console.module.api.shared.model.GwtEntityModel;
import org.eclipse.kapua.app.console.module.api.shared.model.session.GwtSession;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class KapuaCloudConsole implements EntryPoint {
private static final ConsoleMessages MSGS = GWT.create(ConsoleMessages.class);
private static final ConsoleCoreMessages CORE_MSGS = GWT.create(ConsoleCoreMessages.class);
private static final Logger logger = Logger.getLogger(KapuaCloudConsole.class.getName());
// sso parameters
public static final String PARAMETER_ACCESS_TOKEN = "access_token";
public static final String PARAMETER_ID_TOKEN = "id_token";
public static final String PARAMETER_ERROR = "error";
public static final String PARAMETER_ERROR_DESC = "error_description";
// time parameters
public static final int SSO_FAILURE_WAIT_TIME = 3000;
private GwtAuthorizationServiceAsync gwtAuthorizationService = GWT.create(GwtAuthorizationService.class);
private GwtSettingsServiceAsync gwtSettingService = GWT.create(GwtSettingsService.class);
private GwtSession currentSession;
private Viewport viewport;
private NorthView northView;
private WestNavigationView westView;
private ContentPanel filterPanel;
private LayoutContainer centerView;
private HorizontalPanel southView;
private Label creditLabel;
private GwtProductInformation productInformation;
private BorderLayoutData filterPanelData;
/**
* Note, we defer all application initialization code to {@link #onModuleLoad2()} so that the
* UncaughtExceptionHandler can catch any unexpected exceptions.
*/
@Override
public void onModuleLoad() {
/*
* Install an UncaughtExceptionHandler which will produce <code>FATAL</code> log messages
*/
Log.setUncaughtExceptionHandler();
// Use deferred command to catch initialization exceptions in onModuleLoad2
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
@Override
public void execute() {
onModuleLoad2();
}
});
}
/**
* This is the 'real' entry point method.
*/
public void onModuleLoad2() {
gwtSettingService.getProductInformation(new AsyncCallback<GwtProductInformation>() {
@Override
public void onFailure(Throwable caught) {
logger.log(Level.SEVERE, "Error fetching Product Informations");
}
@Override
public void onSuccess(GwtProductInformation result) {
productInformation = result;
//
// Check if a session has already been established on the server-side
gwtAuthorizationService.getCurrentSession(new AsyncCallback<GwtSession>() {
@Override
public void onFailure(Throwable t) {
// We do not have a valid session: display the login page
renderLoginDialog();
}
@Override
public void onSuccess(GwtSession gwtSession) {
if (gwtSession == null) {
// We do not have a valid session: display the login page
renderLoginDialog();
} else {
//
// We have a valid session
currentSession = gwtSession;
render(currentSession);
}
}
});
}
});
}
private void render(GwtSession gwtSession) {
BorderLayout borderLayout = new BorderLayout();
viewport = new KapuaViewport();
viewport.setLayout(borderLayout);
// Set class name based on account. This allows for styling based on account
RootPanel.getBodyElement().addClassName(gwtSession.getSelectedAccountName());
//
// North View
BorderLayoutData northData = new BorderLayoutData(LayoutRegion.NORTH, 36);
northData.setCollapsible(false);
northData.setFloatable(false);
northData.setHideCollapseTool(false);
northData.setSplit(false);
northData.setMargins(new Margins(0, 0, 5, 0));
northView = new NorthView(currentSession, this);
viewport.add(northView, northData);
//
// Center View
BorderLayoutData centerData = new BorderLayoutData(LayoutRegion.CENTER);
centerData.setMargins(new Margins(0, 5, 0, 0));
centerView = new LayoutContainer();
centerView.setLayout(new FitLayout());
centerView.setBorders(false);
viewport.add(centerView, centerData);
//
// West View
BorderLayoutData westData = new BorderLayoutData(LayoutRegion.WEST, 200);
westData.setSplit(false);
westData.setMargins(new Margins(0, 5, 0, 0));
westView = new WestNavigationView(currentSession, centerView, this);
viewport.add(westView, westData);
//
// East View
filterPanel = new ContentPanel();
filterPanel.setLayout(new FitLayout());
filterPanel.setBorders(false);
filterPanel.hide();
filterPanelData = new BorderLayoutData(Style.LayoutRegion.EAST, 220);
filterPanelData.setMargins(new Margins(0, 5, 0, 0));
filterPanelData.setCollapsible(false);
filterPanelData.setSplit(false);
viewport.add(filterPanel, filterPanelData);
//
// South view
BorderLayoutData southData = new BorderLayoutData(LayoutRegion.SOUTH, 18);
southData.setCollapsible(false);
southData.setFloatable(false);
southData.setHideCollapseTool(false);
southData.setSplit(false);
southData.setMargins(new Margins(5, 5, 5, 5));
southView = new HorizontalPanel();
southView.setTableWidth("100%");
TableData td = new TableData();
td.setHorizontalAlign(HorizontalAlignment.LEFT);
TableData tdVersion = new TableData();
tdVersion.setHorizontalAlign(HorizontalAlignment.RIGHT);
Label copyright = new Label(productInformation.getCopyright().replace("{0}", Integer.toString(Years.getCurrentYear())));
copyright.setStyleName("x-form-label");
StringBuilder buildVersionBuilder = new StringBuilder(currentSession.getVersion());
if (currentSession.getBuildNumber() != null && !currentSession.getBuildNumber().isEmpty()) {
buildVersionBuilder
.append("-")
.append(currentSession.getBuildNumber());
}
Label version = new Label(buildVersionBuilder.toString());
version.setStyleName("x-form-label");
if (currentSession.getBuildVersion() != null && !currentSession.getBuildVersion().isEmpty()) {
version.setToolTip(currentSession.getBuildVersion());
}
southView.add(copyright, td);
southView.add(version, tdVersion);
viewport.add(southView, southData);
//
// RootPanel
RootPanel.get().add(viewport);
}
private void renderLoginDialog() {
Viewport viewport = new Viewport();
BorderLayout borderLayout = new BorderLayout();
viewport.setLayout(borderLayout);
if (!UserAgentUtils.isIE() || UserAgentUtils.getIEDocumentMode() > 8) {
viewport.setStyleName("login");
} else {
viewport.setStyleName("login-ie8");
}
//
// center
BorderLayoutData centerData = new BorderLayoutData(LayoutRegion.CENTER);
centerData.setMargins(new Margins(0));
centerData.setCollapsible(false);
centerData.setFloatable(false);
centerData.setHideCollapseTool(false);
centerData.setSplit(false);
LayoutContainer splash = new LayoutContainer(new FillLayout());
viewport.add(splash, centerData);
//
// Header login page
SimplePanel kapuaLogo = new SimplePanel();
if (!UserAgentUtils.isIE() || UserAgentUtils.getIEDocumentMode() > 8) {
kapuaLogo.setStyleName("kapuaLogo");
} else {
kapuaLogo.setStyleName("kapuaLogo-ie8");
}
SimplePanel eclipseLogo = new SimplePanel();
if (!UserAgentUtils.isIE() || UserAgentUtils.getIEDocumentMode() > 8) {
eclipseLogo.setStyleName("eclipseLogo");
} else {
eclipseLogo.setStyleName("eclipseLogo-ie8");
}
TableLayout layout = new TableLayout(2);
layout.setWidth("100%");
LayoutContainer lcHeader = new LayoutContainer(layout);
lcHeader.add(kapuaLogo, new TableData(Style.HorizontalAlignment.LEFT, Style.VerticalAlignment.BOTTOM));
lcHeader.add(eclipseLogo, new TableData(Style.HorizontalAlignment.RIGHT, Style.VerticalAlignment.BOTTOM));
if (!UserAgentUtils.isIE() || UserAgentUtils.getIEDocumentMode() > 8) {
lcHeader.setStyleName("loginHeader");
} else {
lcHeader.setStyleName("loginHeader-ie8");
}
BorderLayoutData northData = new BorderLayoutData(LayoutRegion.NORTH, 72);
northData.setCollapsible(false);
northData.setFloatable(false);
northData.setHideCollapseTool(false);
northData.setSplit(false);
northData.setMargins(new Margins(0));
viewport.add(lcHeader, northData);
//
// Footer login page
creditLabel = new Label();
creditLabel.setStyleName("margin-right:10px");
layout = new TableLayout(2);
layout.setWidth("100%");
LayoutContainer lcFooter = new LayoutContainer(layout);
if (!UserAgentUtils.isIE() || UserAgentUtils.getIEDocumentMode() > 8) {
lcFooter.setStyleName("loginFooter");
} else {
lcFooter.setStyleName("loginFooter-ie8");
}
Html genericNote = new Html();
genericNote.setId("login-generic-note");
lcFooter.add(genericNote, new TableData(Style.HorizontalAlignment.LEFT, Style.VerticalAlignment.BOTTOM));
lcFooter.add(creditLabel, new TableData(Style.HorizontalAlignment.RIGHT, Style.VerticalAlignment.BOTTOM));
BorderLayoutData southData = new BorderLayoutData(LayoutRegion.SOUTH, 18);
southData.setCollapsible(false);
southData.setFloatable(false);
southData.setHideCollapseTool(false);
southData.setSplit(false);
southData.setMargins(new Margins(0));
viewport.add(lcFooter, southData);
RootPanel.get().add(viewport);
genericNote.setHtml(productInformation.getInformationSnippet());
creditLabel.setText(productInformation.getBackgroundCredits());
// Check if coming from SSO login
String accessToken = Window.Location.getParameter(PARAMETER_ACCESS_TOKEN);
String idToken = Window.Location.getParameter(PARAMETER_ID_TOKEN);
if (accessToken != null && !accessToken.isEmpty() && idToken != null && !idToken.isEmpty()) {
logger.info("Performing SSO login");
performSsoLogin(viewport, accessToken, idToken);
} else {
String error = Window.Location.getParameter("error");
// Check if coming from failed SSO login (the user exists but she does not have the authorizations)
if (error != null && !error.isEmpty() && error.equals("access_denied")) {
logger.info("Access denied, SSO login failed");
ConsoleInfo.display(CORE_MSGS.loginSsoLoginError(), CORE_MSGS.ssoClientAuthenticationFailed());
}
showLoginDialog(viewport);
}
}
private void showLoginDialog(final Viewport viewport) {
// Dialog window
final LoginDialog loginDialog = new LoginDialog();
loginDialog.addListener(Events.Hide, new Listener<ComponentEvent>() {
@Override
public void handleEvent(ComponentEvent be) {
if (loginDialog.isAllowMainScreen()) {
renderMainScreen(viewport, loginDialog.getCurrentSession());
}
}
});
loginDialog.setHeading(CORE_MSGS.loginTitle(productInformation.getProductName()));
if (!UserAgentUtils.isIE()) {
Window.addResizeHandler(new ResizeHandler() {
@Override
public void onResize(ResizeEvent arg0) {
loginDialog.center();
}
});
}
loginDialog.show();
}
private void performSsoLogin(final Viewport viewport, String authToken, String idToken) {
// show wait dialog
final Dialog dlg = new Dialog();
dlg.setHeading(MSGS.ssoWaitDialog_title());
dlg.setButtons("");
dlg.setClosable(false);
dlg.setResizable(false);
dlg.setModal(true);
dlg.setOnEsc(false);
Label label = new Label(MSGS.ssoWaitDialog_text());
dlg.add(label);
dlg.show();
dlg.center();
// start login process
final GwtJwtIdToken gwtIdToken = new GwtJwtIdToken(idToken);
final GwtJwtCredential credentials = new GwtJwtCredential(authToken);
gwtAuthorizationService.login(credentials, gwtIdToken, new AsyncCallback<GwtSession>() {
@Override
public void onFailure(Throwable caught) {
dlg.hide();
logger.info("Sso login failed.");
ConsoleInfo.display(CORE_MSGS.loginSsoLoginError(), caught.getLocalizedMessage());
// Invalidating the sso token
gwtSettingService.getSsoLogoutUri(gwtIdToken.getIdToken(), new AsyncCallback<String>() {
@Override
public void onFailure(Throwable caught) {
logger.info("Failed to get the logout endpoint.");
FailureHandler.handle(caught);
}
@Override
public void onSuccess(final String result) {
if (!result.isEmpty()) {
logger.info("Waiting for logout.");
// this timer is needed to give time to the ConsoleInfo.display method (called above) to show
// the message to the user (otherwise the Window.location.assign would reload the page,
// giving no time to the user to read the message).
Timer timer = new Timer() {
@Override
public void run() {
Window.Location.assign(result);
}
};
timer.schedule(SSO_FAILURE_WAIT_TIME);
} else {
// result is empty, thus the OpenID logout is disabled
TokenCleaner.cleanToken(); // removes the access_token from the URL, however it forces the page reload
}
}
});
}
@Override
public void onSuccess(GwtSession gwtSession) {
logger.info("Sso login success, now rendering screen.");
logger.fine("User: " + gwtSession.getUserId());
// This is needed to remove the access_token from the URL, however it forces the page reload
TokenCleaner.cleanToken();
dlg.hide();
renderMainScreen(viewport, gwtSession);
}
});
}
public Viewport getViewport() {
return viewport;
}
public NorthView getNorthView() {
return northView;
}
public WestNavigationView getWestView() {
return westView;
}
public LayoutContainer getCenterView() {
return centerView;
}
public HorizontalPanel getSouthView() {
return southView;
}
public ContentPanel getFilterPanel() {
return filterPanel;
}
public void setFilterPanel(EntityFilterPanel<? extends GwtEntityModel> filterPanel, AbstractEntityView abstractEntityView) {
EntityGrid entityGrid = abstractEntityView.getEntityGrid(abstractEntityView, currentSession);
filterPanel.setEntityGrid(entityGrid);
getViewport().remove(this.filterPanel);
this.filterPanel = filterPanel;
entityGrid.setFilterPanel(filterPanel);
getViewport().add(filterPanel, filterPanelData);
getViewport().layout();
}
private void renderMainScreen(Viewport viewport, GwtSession session) {
currentSession = session;
if (currentSession != null) {
String username = currentSession.getUserName();
if (username != null) {
//
// Enter into the normal viewport
RootPanel.get().remove(viewport);
render(currentSession);
return;
}
}
// or else
ConsoleInfo.display(MSGS.error(), CORE_MSGS.loginError());
showLoginDialog(viewport);
}
}