package org.apache.archiva.redback.policy.rules;
   
   /*
    * Copyright 2001-2006 The Apache Software Foundation.
    *
    * Licensed 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.
   */
  
  import org.apache.archiva.redback.configuration.UserConfigurationKeys;
  import org.apache.archiva.redback.policy.PasswordRuleViolations;
  import org.apache.archiva.redback.policy.UserSecurityPolicy;
  import org.apache.archiva.redback.users.User;
  import org.springframework.stereotype.Service;
  
  import javax.annotation.PostConstruct;
  
  /**
   * Basic Password Rule. Checks that password only contains alpha-numeric characters.
   */
  @Service("passwordRule#alpha-numeric")
  public class AlphaNumericPasswordRule
      extends AbstractPasswordRule
  {
      public static final String ALPHANUM_VIOLATION = "user.password.violation.alphanum.only";
  
      public void setUserSecurityPolicy( UserSecurityPolicy policy )
      {
          // Ignore, policy not needed in this rule.
      }
  
      public void testPassword( PasswordRuleViolations violations, User user )
      {
          char[] password = user.getPassword().toCharArray();
  
          for ( int i = 0; i < password.length; i++ )
          {
              if ( !Character.isLetterOrDigit( password[i] ) )
              {
                  violations.addViolation( ALPHANUM_VIOLATION );
                  return;
              }
          }
      }
  
      // FIXME to constructor
      @PostConstruct
      public void initialize()
      {
          enabled = config.getBoolean( UserConfigurationKeys.POLICY_PASSWORD_RULE_ALPHANUMERIC_ENABLED );
      }
  }