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 *  Copyright (c) 2019-2021 Payara Foundation and/or its affiliates. All rights reserved.
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 *  General Public License Version 2 only ("GPL") or the Common Development
 *  and Distribution License("CDDL") (collectively, the "License").  You
 *  may not use this file except in compliance with the License.  You can
 *  obtain a copy of the License at
 *  https://github.com/payara/Payara/blob/master/LICENSE.txt
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package fish.payara.audit.admin;

import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.util.SystemPropertyConstants;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;

import fish.payara.audit.AuditLevel;
import fish.payara.internal.notification.NotifierUtils;
import fish.payara.audit.AdminAuditConfiguration;
import fish.payara.audit.AdminAuditService;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyVetoException;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.inject.Inject;
import org.glassfish.api.ActionReport;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Target;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.SingleConfigCode;
import org.jvnet.hk2.config.TransactionFailure;

/**
 * Sets the Admin Audit Configuration
 *
 * @author jonathan coustick
 * @since 5.192
 */
@Service(name = "set-admin-audit-configuration")
@PerLookup
@ExecuteOn({RuntimeType.DAS, RuntimeType.INSTANCE})
@TargetType(value = {CommandTarget.DAS, CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER, CommandTarget.CLUSTERED_INSTANCE, CommandTarget.CONFIG,
    CommandTarget.DEPLOYMENT_GROUP})
@RestEndpoints({
    @RestEndpoint(configBean = AdminAuditConfiguration.class,
            opType = RestEndpoint.OpType.POST,
            path = "set-admin-audit-configuration",
            description = "Sets the Configuration for the Admin Audit Service")
})
public class SetAdminAuditConfiguration implements AdminCommand {

    private static final Logger LOGGER = Logger.getLogger(SetAdminAuditConfiguration.class.getPackage().toString());

    @Param(name = "dynamic", optional = true, defaultValue = "false")
    private Boolean dynamic;

    @Param(name = "enabled", optional = true)
    private Boolean enabled;

    @Param(name = "auditLevel", optional = true, acceptableValues = "MODIFIERS, ACCESSORS, INTERNAL")
    private String auditLevel;
    
    @Param(name = "target", optional = true, defaultValue = SystemPropertyConstants.DAS_SERVER_NAME)
    private String target;
    private Config targetConfig;

    @Param(name = "enableNotifiers", alias = "enable-notifiers", optional = true)
    private List enableNotifiers;

    @Param(name = "disableNotifiers", alias = "disable-notifiers", optional = true)
    private List disableNotifiers;

    @Param(name = "setNotifiers", alias = "set-notifiers", optional = true)
    private List setNotifiers;

    @Inject
    private ServiceLocator serviceLocator;

    @Inject
    private AdminAuditService auditService;

    @Inject
    private Target targetUtil;
    
    @Override
    public void execute(AdminCommandContext context) {
        ActionReport report = context.getActionReport();
        
        targetConfig = targetUtil.getConfig(target);

        final AdminAuditConfiguration configuration = targetConfig.getExtensionByType(AdminAuditConfiguration.class);

        try {
            final Set notifierNames = NotifierUtils.getNotifierNames(serviceLocator);
            ConfigSupport.apply(new SingleConfigCode() {
                @Override
                public Object run(AdminAuditConfiguration proxy) throws PropertyVetoException, TransactionFailure {
                    if (enabled != null) {
                        proxy.enabled(enabled.toString());
                    }

                    if (auditLevel != null) {
                        proxy.setAuditLevel(auditLevel);
                    }


                    List notifiers = proxy.getNotifierList();
                    if (enableNotifiers != null) {
                        for (String notifier : enableNotifiers) {
                            if (notifierNames.contains(notifier)) {
                                if (!notifiers.contains(notifier)) {
                                    notifiers.add(notifier);
                                }
                            } else {
                                throw new PropertyVetoException("Unrecognised notifier " + notifier,
                                        new PropertyChangeEvent(proxy, "notifiers", notifiers, notifiers));
                            }
                        }
                    }
                    if (disableNotifiers != null) {
                        for (String notifier : disableNotifiers) {
                            if (notifierNames.contains(notifier)) {
                                notifiers.remove(notifier);
                            } else {
                                throw new PropertyVetoException("Unrecognised notifier " + notifier,
                                        new PropertyChangeEvent(proxy, "notifiers", notifiers, notifiers));
                            }
                        }
                    }
                    if (setNotifiers != null) {
                        notifiers.clear();
                        for (String notifier : setNotifiers) {
                            if (notifierNames.contains(notifier)) {
                                if (!notifiers.contains(notifier)) {
                                    notifiers.add(notifier);
                                }
                            } else {
                                throw new PropertyVetoException("Unrecognised notifier " + notifier,
                                        new PropertyChangeEvent(proxy, "notifiers", notifiers, notifiers));
                            }
                        }
                    }
                    return null;
                }
            }, configuration);

            if (dynamic != null && dynamic && target.equals("server-config")) {
                auditService.setEnabled(enabled);
                auditService.setAuditLevel(AuditLevel.valueOf(auditLevel));

                Set notifiers = auditService.getEnabledNotifiers();
                if (enableNotifiers != null) {
                    enableNotifiers.forEach(notifiers::add);
                }
                if (disableNotifiers != null) {
                    disableNotifiers.forEach(notifiers::remove);
                }
                if (setNotifiers != null) {
                    notifiers.clear();
                    setNotifiers.forEach(notifiers::add);
                }
            }
        } catch (TransactionFailure ex) {
            LOGGER.log(Level.SEVERE, null, ex);
            report.setMessage(ex.getCause() != null ? ex.getCause().getMessage() : ex.getMessage());
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
        }

        report.setActionExitCode(ActionReport.ExitCode.SUCCESS);

    }

}




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