/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.accesscontrol;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.operation.OperationRequestAddress;
import org.jboss.as.controller.client.ModelControllerClient;
/**
* @author Alexey Loubyansky
*
*/
public class PerNodeOperationAccess extends BaseOperationAccessRequirement {
private static final Boolean[] EMPTY_BARR = new Boolean[0];
private final String nodeType;
private List<String> nodeNames = Collections.emptyList();
private Boolean[] stateOn = null;
private List<String> allowedOn;
PerNodeOperationAccess(String nodeType, String operation) {
super(operation);
if(nodeType == null) {
throw new IllegalArgumentException(nodeType);
}
this.nodeType = nodeType;
}
public PerNodeOperationAccess(CommandContext ctx, String nodeType, String address, String operation) {
this(nodeType, address, operation);
ctx.addEventListener(this);
}
PerNodeOperationAccess(String nodeType, String address, String operation) {
super(address, operation);
if(nodeType == null) {
throw new IllegalArgumentException(nodeType);
}
this.nodeType = nodeType;
}
PerNodeOperationAccess(String nodeType, OperationRequestAddress address, String operation) {
super(address, operation);
if(nodeType == null) {
throw new IllegalArgumentException(nodeType);
}
this.nodeType = nodeType;
}
@Override
public void resetState() {
nodeNames = null;
stateOn = null;
allowedOn = null;
}
public List<String> getAllowedOn(CommandContext ctx) {
if(allowedOn == null) {
if (ctx.getConfig().isAccessControl()) {
if (stateOn == null) {
initList(ctx.getModelControllerClient());
}
completeAllowedOn(ctx.getModelControllerClient());
} else {
allowedOn = Util.getNodeNames(ctx.getModelControllerClient(), null, nodeType);
}
}
return allowedOn;
}
@Override
protected boolean checkAccess(CommandContext ctx) {
final ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
return false;
}
if(!ctx.isDomainMode()) {
return false;
}
return initList(client);
}
@Override
public String toString() {
if(toString == null) {
final StringBuilder buf = new StringBuilder();
buf.append(nodeType).append("=*").append(super.toString());
toString = buf.toString();
}
return toString;
}
protected boolean initList(ModelControllerClient client) {
nodeNames = Util.getNodeNames(client, null, nodeType);
if(nodeNames.isEmpty()) {
allowedOn = nodeNames;
stateOn = EMPTY_BARR;
return false;
}
this.stateOn = new Boolean[nodeNames.size()];
final String[] parent = new String[2];
parent[0] = nodeType;
for(int i = 0; i < nodeNames.size(); ++i) {
parent[1] = nodeNames.get(i);
if(CLIAccessControl.isExecute(client, parent, address, operation)) {
stateOn[i] = true;
return true;
} else {
stateOn[i] = false;
}
}
return false;
}
protected void completeAllowedOn(ModelControllerClient client) {
if(nodeNames.isEmpty()) {
allowedOn = nodeNames;
return;
}
allowedOn = new ArrayList<String>(stateOn.length);
final String[] parent = new String[2];
parent[0] = nodeType;
for(int i = 0; i < stateOn.length; ++i) {
Boolean state = stateOn[i];
if(state == null) {
parent[1] = nodeNames.get(i);
state = CLIAccessControl.isExecute(client, parent, address, operation);
stateOn[i] = state;
}
if(state) {
allowedOn.add(nodeNames.get(i));
}
}
}
}