content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.extensions.secman.encryption.jbcrypt.services;
  
  import jakarta.inject.Named;
  
  import org.mindrot.jbcrypt.BCrypt;
  
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.security.crypto.password.PasswordEncoder;
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.extensions.secman.applib.CausewayModuleExtSecmanApplib;
  
  /**
   * @since 2.0 {@index}
   */
  @Service
  @Named(CausewayModuleExtSecmanApplib.NAMESPACE + ".PasswordEncoderUsingJBcrypt")
  @jakarta.annotation.Priority(PriorityPrecedence.MIDPOINT)
  @Qualifier("Secman")
  public class PasswordEncoderUsingJBcrypt
  implements PasswordEncoder {
  
      private String salt;
  
      private String getSalt() {
          if (salt == null) {
              salt = BCrypt.gensalt();
          }
          return salt;
      }
  
      @Override
      public String encode(final CharSequence rawPassword) {
          return rawPassword == null ? null : BCrypt.hashpw(rawPassword.toString(), getSalt());
      }
  
      @Override
      public boolean matches(final CharSequence rawPassword, final String encodedPassword) {
          if (rawPassword == null && encodedPassword == null) {
              return true;
          }
          if (rawPassword == null || encodedPassword == null) {
              return false;
          }
          return BCrypt.checkpw(rawPassword.toString(), encodedPassword);
      }
  }
  