org.jboss.as.clustering.jgroups.subsystem.DigestAuthTokenResourceDefinition Maven / Gradle / Ivy

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/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.jboss.as.clustering.jgroups.subsystem;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Map;
import java.util.function.Consumer;
import java.util.function.Function;

import org.jboss.as.clustering.controller.SimpleResourceDescriptorConfigurator;
import org.jboss.as.clustering.jgroups.auth.BinaryAuthToken;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.RequirementServiceBuilder;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.wildfly.common.function.Functions;

/**
 * @author Paul Ferraro
 */
public class DigestAuthTokenResourceDefinition extends AuthTokenResourceDefinition {

    static final PathElement PATH = pathElement("digest");

    enum Attribute implements org.jboss.as.clustering.controller.Attribute {
        ALGORITHM("algorithm", ModelType.STRING, new ModelNode("SHA-256")),
        ;
        private final AttributeDefinition definition;

        Attribute(String name, ModelType type, ModelNode defaultValue) {
            this.definition = new SimpleAttributeDefinitionBuilder(name, type)
                    .setAllowExpression(true)
                    .setDefaultValue(defaultValue)
                    .setRequired(false)
                    .setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
                    .build();
        }

        @Override
        public AttributeDefinition getDefinition() {
            return this.definition;
        }
    }

    DigestAuthTokenResourceDefinition() {
        super(PATH, new SimpleResourceDescriptorConfigurator<>(Attribute.class));
    }

    @Override
    public Map.Entry, Consumer>> resolve(OperationContext context, ModelNode model) throws OperationFailedException {
        String algorithm = Attribute.ALGORITHM.resolveModelAttribute(context, model).asString();
        return Map.entry(new Function<>() {
            @Override
            public BinaryAuthToken apply(String sharedSecret) {
                try {
                    MessageDigest digest = MessageDigest.getInstance(algorithm);
                    return new BinaryAuthToken(digest.digest(sharedSecret.getBytes(StandardCharsets.UTF_8)));
                } catch (NoSuchAlgorithmException e) {
                    throw new IllegalArgumentException(e);
                }
            }
        }, Functions.discardingConsumer());
    }
}