SimilarityBasedPasswordValidator.java revision ea1068c292e9b341af6d6b563cd8988a96be20a9
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2008 Sun Microsystems, Inc.
* Portions Copyright 2014-2015 ForgeRock AS
*/
/**
* This class provides a password validator that can ensure that the provided
* password meets minimum similarity requirements.
*/
public class SimilarityBasedPasswordValidator extends
PasswordValidator<SimilarityBasedPasswordValidatorCfg> implements
{
// The current configuration for this password validator.
/**
* Creates a new instance of this password validator.
*/
public SimilarityBasedPasswordValidator()
{
super();
// All initialization must be done in the initializePasswordValidator
// method.
}
/**
* {@inheritDoc}
*/
public void initializePasswordValidator(
{
}
/**
* {@inheritDoc}
*/
public void finalizePasswordValidator()
{
}
/**
* {@inheritDoc}
*/
? ByteString.empty()
: newPassword;
// This validator requires access to at least one current password.
// If we don't have a current password, then we can't validate it, so
// we'll have to assume it is OK. Ideally, the password policy should be
// configured to always require the current password, but even then the
// current password probably won't be availble during an administrative
// password reset.
return true;
}
continue;
}
if (ldistance < minDifference) {
return false;
}
}
return true;
}
/**
* {@inheritDoc}
*/
public boolean isConfigurationChangeAcceptable(
{
return true;
}
/**
* {@inheritDoc}
*/
{
return new ConfigChangeResult();
}
}