/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.admin.sysinfo;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Set;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.olat.admin.AdminModule;
import org.olat.basesecurity.AuthHelper;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.Windows;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.Window;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
import org.olat.core.gui.components.text.TextFactory;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.DefaultController;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.gui.control.generic.modal.DialogBoxController;
import org.olat.core.gui.control.generic.modal.DialogBoxUIFactory;
import org.olat.core.id.Identity;
import org.olat.core.logging.OLog;
import org.olat.core.logging.Tracing;
import org.olat.core.util.Formatter;
import org.olat.core.util.UserSession;
import org.olat.core.util.Util;
import org.olat.core.util.WebappHelper;
import org.olat.core.util.coordinate.CoordinatorManager;
/**
* @author Christian Guretzki
*/
public class SessionAdministrationController extends BasicController {
OLog log = Tracing.createLoggerFor(this.getClass());
private static final String VELOCITY_ROOT = Util.getPackageVelocityRoot(SysinfoController.class);
private VelocityContainer myContent;
private Link invalidateAllSsssionLink;
private DialogBoxController invalidateAllConfirmController;
private Link blockLoginLink;
private Link allowLoginLink;
private DialogBoxController blockLoginConfirmController;
private Link rejectDMZReuqestsLink;
private Link allowDMZRequestsLink;
private DialogBoxController rejectDMZRequestsConfirmController;
private SessionAdminForm sessionAdminForm;
private SessionAdminOldestSessionForm sessionAdminOldestSessionForm;
/**
* Controlls user session in admin view.
*
* @param ureq
* @param wControl
*/
public SessionAdministrationController(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
myContent = createVelocityContainer("sessionadministration");
invalidateAllSsssionLink = LinkFactory.createButton("session.admin.invalidate.all.link", myContent, this);
myContent.contextPut("loginBlocked", AdminModule.isLoginBlocked());
blockLoginLink = LinkFactory.createButton("session.admin.block.login.link", myContent, this);
boolean showRejectLink = CoordinatorManager.getCoordinator().isClusterMode();
myContent.contextPut("showRejectDMZRequestsLink", showRejectLink);
if (showRejectLink) {
myContent.contextPut("rejectingDMZRequests", AuthHelper.isRejectDMZRequests());
TextFactory.createTextComponentFromI18nKey("session.admin.reject.dmz.requests.intro", "session.admin.reject.dmz.requests.intro",
getTranslator(), null, true, myContent);
TextFactory.createTextComponentFromI18nKey("session.admin.allow.dmz.requests.intro", "session.admin.allow.dmz.requests.intro",
getTranslator(), null, true, myContent);
rejectDMZReuqestsLink = LinkFactory.createButton("session.admin.reject.dmz.requests.link", myContent, this);
allowDMZRequestsLink = LinkFactory.createButton("session.admin.allow.dmz.requests.link", myContent, this);
}
allowLoginLink = LinkFactory.createButton("session.admin.allow.login.link", myContent, this);
sessionAdminOldestSessionForm = new SessionAdminOldestSessionForm(ureq, wControl, getTranslator());
listenTo(sessionAdminOldestSessionForm);
myContent.put("session.admin.oldest.session.form", sessionAdminOldestSessionForm.getInitialComponent());
sessionAdminForm = new SessionAdminForm(ureq, wControl, getTranslator(), AdminModule.getSessionTimeout(), AdminModule.getMaxSessions() );
listenTo(sessionAdminForm);
myContent.put("session.admin.form", sessionAdminForm.getInitialComponent());
myContent.contextPut("usersessions", getUsersSessionAsString(ureq));
putInitialPanel(myContent);
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component, org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Component source, Event event) {
if (source == invalidateAllSsssionLink){
invalidateAllConfirmController = activateYesNoDialog(ureq, null, translate("invalidate.all.sure"), invalidateAllConfirmController);
return;
} else if(source == blockLoginLink) {
blockLoginConfirmController = activateYesNoDialog(ureq, null, translate("block.login.sure"), invalidateAllConfirmController);
} else if(source == rejectDMZReuqestsLink) {
rejectDMZRequestsConfirmController = activateYesNoDialog(ureq, null, translate("reject.dmz.requests.sure"), rejectDMZRequestsConfirmController);
} else if(source == allowDMZRequestsLink) {
AdminModule.setRejectDMZRequests(false);
myContent.contextPut("rejectingDMZRequests", AdminModule.isRejectDMZRequests());
showInfo("allow.dmz.requests.done");
} else if(source == allowLoginLink) {
AdminModule.setLoginBlocked(false);
myContent.contextPut("loginBlocked", Boolean.FALSE);
showInfo("allow.login.done");
}
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Controller source, Event event) {
if (source == invalidateAllConfirmController) {
if (DialogBoxUIFactory.isYesEvent(event)) {
int nbrOfInvalidatedSessions = AdminModule.invalidateAllSessions();
showInfo("invalidate.session.done", Integer.toString(nbrOfInvalidatedSessions));
}
} else if (source == blockLoginConfirmController) {
if (DialogBoxUIFactory.isYesEvent(event)) {
AdminModule.setLoginBlocked(true);
myContent.contextPut("loginBlocked", Boolean.TRUE);
showInfo("block.login.done");
}
} else if (source == rejectDMZRequestsConfirmController) {
if (DialogBoxUIFactory.isYesEvent(event)) {
AdminModule.setRejectDMZRequests(true);
myContent.contextPut("rejectingDMZRequests", AuthHelper.isRejectDMZRequests());
showInfo("reject.dmz.requests.done");
}
} else if (source == sessionAdminOldestSessionForm) {
int nbrOfInvalidatedSessions = AdminModule.invalidateOldestSessions(sessionAdminOldestSessionForm.getNbrSessions());
showInfo("invalidate.session.done", Integer.toString(nbrOfInvalidatedSessions));
} else if (source == sessionAdminForm && event == event.DONE_EVENT) {
AdminModule.setSessionTimeout(sessionAdminForm.getSessionTimeout());
AdminModule.setMaxSessions(sessionAdminForm.getMaxSessions());
}
}
protected void doDispose() {
// DialogBoxController and TableController get disposed by BasicController
}
private String getUsersSessionAsString(UserRequest ureq) {
StringBuilder sb = new StringBuilder();
int ucCnt = UserSession.getUserSessionsCnt();
Set usesss = UserSession.getAuthenticatedUserSessions();
int contcnt = DefaultController.getControllerCount();
sb.append("total usersessions (auth and non auth): "+ucCnt+"<br />auth usersessions: "+usesss.size()+"<br />Total Controllers (active, not disposed) of all users:"+contcnt+"<br /><br />");
Formatter f = Formatter.getInstance(ureq.getLocale());
for (Iterator iter = usesss.iterator(); iter.hasNext();) {
UserSession usess = (UserSession) iter.next();
Identity iden = usess.getIdentity();
sb.append("authusersession (").append(usess.hashCode()).append(") of ");
if (iden != null) {
sb.append(iden.getName()).append(" ").append(iden.getKey());
}
else {
sb.append(" - ");
}
sb.append("<br />");
Windows ws = Windows.getWindows(usess);
for (Iterator iterator = ws.getWindowIterator(); iterator.hasNext(); ) {
Window window = (Window) iterator.next();
sb.append("- window ").append(window.getDispatchID()).append(" ").append(window.getLatestDispatchComponentInfo()).append("<br />");
}
sb.append("<br />");
}
return sb.toString();
}
}