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Micro Distribution of the Payara Project for IBM JDK
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/*
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 *
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 * 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://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 */

package com.sun.enterprise.security.cli;

import com.sun.enterprise.config.serverbeans.AuthRealm;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.ActionReport;
import org.jvnet.hk2.annotations.Service;

import javax.inject.Inject;
import javax.inject.Named;

import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.SingleConfigCode;
import org.jvnet.hk2.config.TransactionFailure;
import com.sun.enterprise.config.serverbeans.SecurityService;
import com.sun.enterprise.security.SecurityConfigListener;
import com.sun.enterprise.util.LocalStringManagerImpl;

import com.sun.enterprise.util.SystemPropertyConstants;
import java.beans.PropertyVetoException;
import org.glassfish.api.admin.AccessRequired;
import org.glassfish.api.admin.AdminCommandSecurity;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;

/**
 * Delete Auth Realm Command
 * 
* Usage: delete-auth-realm [--terse=false] [--echo=false] 
 *        [--interactive=true] [--host localhost] [--port 4848|4849] 
 *        [--secure | -s] [--user admin_user] [--passwordfile file_name] 
 *        [--target target(Default server)] auth_realm_name
 *
 * @author Nandini Ektare
 */
@Service(name="delete-auth-realm")
@PerLookup
@I18n("delete.auth.realm")
@ExecuteOn({RuntimeType.DAS, RuntimeType.INSTANCE})
@TargetType({CommandTarget.DAS,CommandTarget.STANDALONE_INSTANCE,CommandTarget.CLUSTER, CommandTarget.CONFIG})
public class DeleteAuthRealm implements AdminCommand, AdminCommandSecurity.Preauthorization {
    
    final private static LocalStringManagerImpl localStrings = 
        new LocalStringManagerImpl(DeleteAuthRealm.class);

    @Param(name="authrealmname", primary=true)
    private String authRealmName;
 
    @Param(name = "target", optional = true, defaultValue =
    SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME)
    private String target;

    @Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
    private Config config;

    @Inject
    private Domain domain;
   // @Inject
   // private SecurityConfigListener securityListener;

    @AccessRequired.To("delete")
    AuthRealm authRealm = null;
    
    private SecurityService securityService;

    @Override
    public boolean preAuthorization(AdminCommandContext context) {
        config = CLIUtil.chooseConfig(domain, target, context.getActionReport());
        if (config == null) {
            return false;
        }
        securityService = config.getSecurityService();
        authRealm = findRealm();
        if (authRealm == null) {
            final ActionReport report = context.getActionReport();
            report.setMessage(localStrings.getLocalString(
                "delete.auth.realm.notfound", 
                "Authrealm named {0} not found", authRealmName));
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
        }
        return (authRealm != null);
    }
    
    /**
     * Executes the command with the command parameters passed as Properties
     * where the keys are the paramter names and the values the parameter values
     *
     * @param context information
     */
    public void execute(AdminCommandContext context) {
        ActionReport report = context.getActionReport();

        try {            
            ConfigSupport.apply(new SingleConfigCode() {
                public Object run(SecurityService param) 
                throws PropertyVetoException, TransactionFailure {
                    param.getAuthRealm().remove(authRealm);
                    //temporary fix - since the SecurityConfigListener is  not being called on an realm delete.
                    SecurityConfigListener.authRealmDeleted(authRealm);
                    return null;
                }
            }, securityService);
        } catch(TransactionFailure e) {
            report.setMessage(localStrings.getLocalString(
                "delete.auth.realm.fail", "Deletion of Authrealm {0} failed", 
                authRealmName) + "  " + e.getLocalizedMessage());
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            report.setFailureCause(e);
            return;
        }
        report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
    }
    
    private AuthRealm findRealm() {
        for (AuthRealm realm : securityService.getAuthRealm()) {
            if (realm.getName().equals(authRealmName)) {
                return realm;
            }
        }
        return null;
    }
}