/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, 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.server.mgmt;

import static org.jboss.as.server.logging.ServerLogger.ROOT_LOGGER;

import java.util.function.Consumer;

import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationContext.Stage;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.access.constraint.SensitivityClassification;
import org.jboss.as.controller.access.management.SensitiveTargetAccessConstraintDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.management.BaseHttpInterfaceResourceDefinition;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.as.controller.parsing.Attribute;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.server.controller.descriptions.ServerDescriptions;
import org.jboss.as.server.operations.HttpManagementAddHandler;
import org.jboss.as.server.operations.HttpManagementRemoveHandler;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;

/**
 * {@link org.jboss.as.controller.ResourceDefinition} for the HTTP management interface resource.
 *
 * @author Brian Stansberry (c) 2011 Red Hat Inc.
 */
public class HttpManagementResourceDefinition extends BaseHttpInterfaceResourceDefinition {

    public static final String SOCKET_BINDING_CAPABILITY_NAME = "org.wildfly.network.socket-binding";

    public static final SimpleAttributeDefinition SOCKET_BINDING = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.SOCKET_BINDING, ModelType.STRING, true)
            .setXmlName(Attribute.HTTP.getLocalName())
            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, false))
            .addAccessConstraint(new SensitiveTargetAccessConstraintDefinition(SensitivityClassification.SOCKET_CONFIG))
            .setCapabilityReference(SOCKET_BINDING_CAPABILITY_NAME, HTTP_MANAGEMENT_RUNTIME_CAPABILITY)
            .build();

    public static final SimpleAttributeDefinition SECURE_SOCKET_BINDING = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.SECURE_SOCKET_BINDING, ModelType.STRING, true)
            .setXmlName(Attribute.HTTPS.getLocalName())
            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, false))
            .addAccessConstraint(new SensitiveTargetAccessConstraintDefinition(SensitivityClassification.SOCKET_CONFIG))
            .setCapabilityReference(SOCKET_BINDING_CAPABILITY_NAME, HTTP_MANAGEMENT_RUNTIME_CAPABILITY)
            .build();

    public static final AttributeDefinition[] ATTRIBUTE_DEFINITIONS = combine(COMMON_ATTRIBUTES, SOCKET_BINDING, SECURE_SOCKET_BINDING);

    public static final HttpManagementResourceDefinition INSTANCE = new HttpManagementResourceDefinition();

    private HttpManagementResourceDefinition() {
        super(new Parameters(RESOURCE_PATH, ServerDescriptions.getResourceDescriptionResolver("core.management.http-interface"))
            .setAddHandler(HttpManagementAddHandler.INSTANCE)
            .setRemoveHandler(HttpManagementRemoveHandler.INSTANCE)
            .setAddRestartLevel(OperationEntry.Flag.RESTART_NONE)
            .setRemoveRestartLevel(OperationEntry.Flag.RESTART_RESOURCE_SERVICES)
            .setCapabilities(UndertowHttpManagementService.EXTENSIBLE_HTTP_MANAGEMENT_CAPABILITY)
        );
    }

    @Override
    protected AttributeDefinition[] getAttributeDefinitions() {
        return ATTRIBUTE_DEFINITIONS;
    }

    @Override
    protected Consumer<OperationContext> getValidationConsumer() {
        return HttpManagementResourceDefinition::addAttributeValidator;
    }

    public static void addAttributeValidator(OperationContext context) {
        context.addStep(new OperationStepHandler() {

            @Override
            public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
                ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
                ModelNode secureSocketBinding = SECURE_SOCKET_BINDING.resolveModelAttribute(context, model);
                if (secureSocketBinding.isDefined()) {
                    if (SSL_CONTEXT.resolveModelAttribute(context, model).isDefined() || SECURITY_REALM.resolveModelAttribute(context, model).isDefined()) {
                        return;
                    }
                    throw ROOT_LOGGER.secureSocketBindingRequiresSSLContext();
                }
            }
        }, Stage.MODEL);
    }

}