/*
    * Copyright (c) 2002-2025, City of Paris
    * 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
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' 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 HOLDERS 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.
   *
   * License 1.0
   */
  package fr.paris.lutece.portal.service.util;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.util.Properties;
  
  import fr.paris.lutece.portal.service.datastore.DatastoreService;
  import fr.paris.lutece.test.LuteceTestCase;
  
  public class CryptoServiceTest extends LuteceTestCase
  {
      private boolean bCryptoKeyExists;
      private String strOrigCrytoKey;
  
      @Override
      protected void setUp( ) throws Exception
      {
          super.setUp( );
          bCryptoKeyExists = DatastoreService.existsKey( CryptoService.DSKEY_CRYPTO_KEY );
          strOrigCrytoKey = DatastoreService.getDataValue( CryptoService.DSKEY_CRYPTO_KEY, null );
          DatastoreService.removeData( CryptoService.DSKEY_CRYPTO_KEY );
      }
  
      public void testGetCryptoKey( )
      {
          String strCryptoKey = CryptoService.getCryptoKey( );
          assertNotNull( strCryptoKey );
          assertFalse( strCryptoKey.equals( "A23A5C78H" ) ); // legacy key
          assertTrue( strCryptoKey.length( ) >= 64 );
          assertEquals( strCryptoKey, CryptoService.getCryptoKey( ) );
      }
  
      public void testGetCryptoKeyLegacy( ) throws FileNotFoundException, IOException
      {
          final String strLegacyKey = "LEGACY";
          setLegacyKey( strLegacyKey );
          try
          {
              assertEquals( strLegacyKey, CryptoService.getCryptoKey( ) );
          }
          finally
          {
              removeLegacyKey( );
          }
      }
  
      private void removeLegacyKey( ) throws IOException, FileNotFoundException
      {
          File luteceProperties = new File( getResourcesDir( ), "WEB-INF/conf/lutece.properties" );
          Properties props = new Properties( );
          try ( InputStream is = new FileInputStream( luteceProperties ) )
          {
              props.load( is );
          }
          props.remove( CryptoService.PROPERTY_CRYPTO_KEY );
          try ( OutputStream os = new FileOutputStream( luteceProperties ) )
          {
              props.store( os, "saved for junit " + this.getClass( ).getCanonicalName( ) );
          }
          AppPropertiesService.reloadAll( );
      }
 
     private void setLegacyKey( final String strLegacyKey ) throws IOException, FileNotFoundException
     {
         File luteceProperties = new File( getResourcesDir( ), "WEB-INF/conf/lutece.properties" );
         Properties props = new Properties( );
         try ( InputStream is = new FileInputStream( luteceProperties ) )
         {
             props.load( is );
         }
         props.setProperty( CryptoService.PROPERTY_CRYPTO_KEY, strLegacyKey );
         try ( OutputStream os = new FileOutputStream( luteceProperties ) )
         {
             props.store( os, "saved for junit " + this.getClass( ).getCanonicalName( ) );
         }
         AppPropertiesService.reloadAll( );
     }
 
     public void testHmacSHA256( )
     {
         assertNotNull( CryptoService.hmacSHA256( "message" ) );
     }
 
     @Override
     protected void tearDown( ) throws Exception
     {
         if ( bCryptoKeyExists )
         {
             DatastoreService.setDataValue( CryptoService.DSKEY_CRYPTO_KEY, strOrigCrytoKey );
         }
         else
         {
             DatastoreService.removeData( CryptoService.DSKEY_CRYPTO_KEY );
         }
         super.tearDown( );
     }
 
 }