/*
* Copyright (C) 2014 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.security.demo.client.local;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import org.jboss.errai.bus.client.api.BusErrorCallback;
import org.jboss.errai.bus.client.api.messaging.Message;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.jboss.errai.security.client.local.api.SecurityContext;
import org.jboss.errai.security.shared.api.identity.User;
import org.jboss.errai.security.shared.service.AuthenticationService;
import org.jboss.errai.ui.client.widget.AbstractForm;
import org.jboss.errai.ui.nav.client.local.Page;
import org.jboss.errai.ui.nav.client.local.PageShowing;
import org.jboss.errai.ui.nav.client.local.api.LoginPage;
import org.jboss.errai.ui.shared.api.annotations.DataField;
import org.jboss.errai.ui.shared.api.annotations.EventHandler;
import org.jboss.errai.ui.shared.api.annotations.Templated;
import org.slf4j.Logger;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.FormElement;
import com.google.gwt.dom.client.Style.Visibility;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;
/**
* A {@link LoginPage} that uses the {@link AuthenticationService}.
*
* The primary of method of logging in users in Errai Security is the injecting
* a {@link Caller}, used to build an RPC to {@link AuthenticationService}.
* Caching is automatically handled so that after logging in or out, subsequent
* calls to {@link AuthenticationService#getUser()} do not require the network.
*/
@Page(role = LoginPage.class)
@Templated("#root")
@Dependent
public class LoginForm extends AbstractForm {
@Inject
private Logger logger;
@Inject
private Caller<AuthenticationService> authServiceCaller;
@Inject
private SecurityContext securityContext;
@Inject
@DataField
private TextBox username;
@Inject
@DataField
private PasswordTextBox password;
@DataField
private final FormElement form = Document.get().createFormElement();
@Inject
@DataField
private Button login;
@DataField
private Element alert = DOM.createDiv();
@Inject
@DataField
@Keycloak
private Anchor keycloakAnchor;
@Override
protected FormElement getFormElement() {
return form;
}
@EventHandler("login")
private void loginClicked(ClickEvent event) {
authServiceCaller.call(new RemoteCallback<User>() {
@Override
public void callback(final User user) {
/*
* This triggers most browsers to prompt users to remember their
* credentials.
*/
submit();
securityContext.navigateBackOrHome();
}
}, new BusErrorCallback() {
@Override
public boolean error(Message message, Throwable throwable) {
logger.error("Login failure reason: ", throwable);
alert.getStyle().setVisibility(Visibility.VISIBLE);
return false;
}
}).login(username.getText(), password.getText());
}
@PageShowing
private void isLoggedIn() {
authServiceCaller.call(new RemoteCallback<User>() {
@Override
public void callback(final User user) {
if (!User.ANONYMOUS.equals(user)) {
login.setEnabled(false);
}
}
}).getUser();
}
}