/**
* 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.instantMessaging.syncservice;
import org.jivesoftware.smack.PacketCollector;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.filter.PacketIDFilter;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.ProviderManager;
import org.olat.core.logging.OLog;
import org.olat.core.logging.Tracing;
import org.olat.instantMessaging.AdminUserConnection;
/**
* Description:<br>
* implementation of the account creator over XMPP messaging protocoll
*
* <P>
* Initial Date: 31.07.2008 <br>
* @author guido
*/
public class RemoteAccountCreationOverXMPP implements RemoteAccountCreation {
private AdminUserConnection adminUser;
OLog log = Tracing.createLoggerFor(this.getClass());
public RemoteAccountCreationOverXMPP() {
ProviderManager providerMgr = ProviderManager.getInstance();
//register iq handlers
providerMgr.addIQProvider("query", UserCreate.NAMESPACE, new UserCreate.Provider());
providerMgr.addIQProvider("query", UserDelete.NAMESPACE, new UserDelete.Provider());
providerMgr.addIQProvider("query", UserCheck.NAMESPACE, new UserCheck.Provider());
}
/**
* @see org.olat.instantMessaging.RemoteAccountCreation#createAccount(java.lang.String, java.lang.String, java.lang.String, java.lang.String)
*/
public boolean createAccount(String username, String password, String name, String email) {
return sendPacket(new UserCreate(username, password, email, name));
}
/**
* @see org.olat.instantMessaging.RemoteAccountCreation#deleteAccount(java.lang.String)
*/
public boolean deleteAccount(String username) {
return sendPacket(new UserDelete(username));
}
private boolean sendPacket(IQ packet) {
XMPPConnection con = adminUser.getConnection();
try {
packet.setFrom(con.getUser());
PacketCollector collector = con.createPacketCollector(new PacketIDFilter(packet.getPacketID()));
con.sendPacket(packet);
IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
collector.cancel();
if (response == null) {
// OLAT-5383: error happens frequently, lowering to WARN
log.warn("Error while trying to create/delete user at IM server. Response was null!");
return false;
}
if (response.getError() != null) {
if (response.getError().getCode() == 503) {
//503 code means service not available, IM server plugin may not installed
log.error("Openfire and OLAT talk over an custom Openfire plugin. Please make sure you have it installed! " +
"Download it under http://www.olat.org/downloads/stable/olatUserAndGroupService.zip");
} else if (response.getError().getCode() == 407 || response.getError().getCode() == 409) {
//407 or 409 -> conflict / user already exists
return true;
} else if (response.getError().getCode() == 404) {
//404 -> user not found, ok when trying to delete
return true;
}
log.warn("Error while trying to create/delete user at IM server. Errorcode: "+response.getError().getCode());
return false;
} else if (response.getType() == IQ.Type.ERROR) {
log.error("Error while trying to create/delete user at IM server. Response type error");
return false;
}
if (response instanceof UserCheck) {
UserCheck check = (UserCheck) response;
return check.hasAccount();
}
return true;
} catch (Exception e) {
log.error("Error while trying to create/delete user at IM server", e);
return false;
}
}
public void setConnection(AdminUserConnection adminUser) {
this.adminUser = adminUser;
}
/**
*
* @see org.olat.instantMessaging.syncservice.RemoteAccountCreation#hasAccount(java.lang.String)
*/
public boolean hasAccount(String username) {
return sendPacket(new UserCheck(username));
}
}