/**

  * Copyright (c) 2012-2017, jcabi.com

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met: 1) Redistributions of source code must retain the above

  * copyright notice, this list of conditions and the following

  * disclaimer. 2) Redistributions in binary form must reproduce the above

  * copyright notice, this list of conditions and the following

  * disclaimer in the documentation and/or other materials provided

  * with the distribution. 3) Neither the name of the jcabi.com nor

  * the names of its contributors may be used to endorse or promote

  * products derived from this software without specific prior written

  * permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT

  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL

  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

  * OF THE POSSIBILITY OF SUCH DAMAGE.

  */

 package com.jcabi.ssl.maven.plugin;

 import com.jcabi.aspects.Immutable;

 import com.jcabi.aspects.Loggable;

 import com.jcabi.log.Logger;

 import java.io.File;

 import java.io.IOException;

 import java.util.Properties;

 import javax.validation.constraints.NotNull;

 import lombok.EqualsAndHashCode;

 import lombok.ToString;

 import org.apache.commons.io.FileUtils;

 /**

  * Abstraction of {@code java.home/lib/security/cacerts} file.

  *

  * @author Yegor Bugayenko (yegor256@gmail.com)

  * @version $Id: a8675d3d37a39c34d6618e421d63574708679063 $

  * @since 0.5

  */

 @Immutable

 @ToString

 @EqualsAndHashCode(of = "store")

 final class Cacerts {

     /**

      * Constant {@code javax.net.ssl.trustStore}.

      */

     public static final String TRUST = "javax.net.ssl.trustStore";

     /**

      * Constant {@code javax.net.ssl.trustStorePassword}.

      */

     public static final String TRUST_PWD = "javax.net.ssl.trustStorePassword";

     /**

      * Standard password of {@code cacerts} file.

      */

     public static final String STD_PWD = "changeit";

     /**

      * New location of the trust store.

      */

     private final transient String store;

     /**

      * Public ctor.

      * @param file New location

      * @throws IOException If fails

      */

     public Cacerts(@NotNull final File file) throws IOException {

         this.store = file.getAbsolutePath();

         final File prev = new File(

             String.format(

                 "%s/lib/security/cacerts",

                 System.getProperty("java.home")

             )

         );

         FileUtils.copyFile(prev, file);

         Logger.info(

             this,

             "Existing cacerts '%s' copied to '%s' (%s)",

             prev,

             this.store,

             FileUtils.byteCountToDisplaySize(this.store.length())

         );

     }

     /**

      * Import existing keystore content into this trust store.

      * @throws IOException If fails

      */

     public void imprt() throws IOException {

         final File keystore = new File(System.getProperty(Keystore.KEY));

         final String pwd = System.getProperty(Keystore.KEY_PWD);

         new Keytool(new File(this.store), Cacerts.STD_PWD).imprt(keystore, pwd);

         System.setProperty(Cacerts.TRUST, this.store);

         System.setProperty(Cacerts.TRUST_PWD, Cacerts.STD_PWD);

         Logger.info(

             this,

             "keyStore '%s' imported into trustStore '%s'",

             keystore,

             this.store

         );

     }

     /**

      * Populate given properties with this truststore's path and password.

      *

      * @param props The properties

      */

     @Loggable(Loggable.DEBUG)

     public void populate(final Properties props) {

         final String[] names = new String[] {Cacerts.TRUST, Cacerts.TRUST_PWD};

         for (final String name : names) {

             final String value = System.getProperty(name);

             if (value == null) {

                 continue;

             }

             props.put(name, value);

             Logger.info(

                 this,

                 "Maven property ${%s} set to '%s'",

                 name,

                 value

             );

         }

     }

 }