/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.karaf.jaas.command;
import java.util.ArrayList;
import java.util.List;
import javax.security.auth.login.AppConfigurationEntry;
import org.apache.karaf.jaas.boot.principal.GroupPrincipal;
import org.apache.karaf.jaas.boot.principal.RolePrincipal;
import org.apache.karaf.jaas.boot.principal.UserPrincipal;
import org.apache.karaf.jaas.config.JaasRealm;
import org.apache.karaf.jaas.modules.BackingEngine;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.shell.support.table.ShellTable;
@Command(scope = "jaas", name = "user-list", description = "List the users of the selected JAAS realm/login module")
@Service
public class ListUsersCommand extends JaasCommandSupport {
@Option(name = "--no-format", description = "Disable table rendered output", required = false, multiValued = false)
boolean noFormat;
@Override
public Object execute() throws Exception {
JaasRealm realm = (JaasRealm) session.get(JAAS_REALM);
AppConfigurationEntry entry = (AppConfigurationEntry) session.get(JAAS_ENTRY);
if (realm == null || entry == null) {
System.err.println("No JAAS Realm/Login Module has been selected");
return null;
}
BackingEngine engine = getBackingEngine(entry);
if (engine == null) {
System.err.println("Can't get the list of users (no backing engine service found)");
return null;
}
return doExecute(engine);
}
@Override
protected Object doExecute(BackingEngine engine) throws Exception {
List<UserPrincipal> users = engine.listUsers();
ShellTable table = new ShellTable();
table.column("User Name");
table.column("Group");
table.column("Role");
for (UserPrincipal user : users) {
List<String> reportedRoles = new ArrayList<String>();
String userName = user.getName();
for (GroupPrincipal group : engine.listGroups(user)) {
reportedRoles.addAll(displayGroupRoles(engine, userName, group, table));
}
for (RolePrincipal role : engine.listRoles(user)) {
String roleName = role.getName();
if (reportedRoles.contains(roleName)) {
continue;
}
reportedRoles.add(roleName);
table.addRow().addContent(userName, "", roleName);
}
if (reportedRoles.size() == 0) {
table.addRow().addContent(userName, "", "");
}
}
table.print(System.out, !noFormat);
return null;
}
private List<String> displayGroupRoles(BackingEngine engine, String userName, GroupPrincipal group, ShellTable table) {
List<String> names = new ArrayList<String>();
List<RolePrincipal> roles = engine.listRoles(group);
if (roles != null && roles.size() >= 1) {
for (RolePrincipal role : roles) {
String roleName = role.getName();
names.add(roleName);
table.addRow().addContent(userName, group.getName(), roleName);
}
}
return names;
}
}