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Library for checking that a password complies with a custom set of rules
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/*
$Id: SourceRule.java 2704 2013-04-24 21:30:32Z dfisher $
Copyright (C) 2003-2013 Virginia Tech.
All rights reserved.
SEE LICENSE FOR MORE INFORMATION
Author: Middleware Services
Email: [email protected]
Version: $Revision: 2704 $
Updated: $Date: 2013-04-24 17:30:32 -0400 (Wed, 24 Apr 2013) $
*/
package edu.vt.middleware.password;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Rule for determining if a password matches a password from a different
* source. Useful for when separate systems cannot have matching passwords. If
* no sources have been set or an empty source has been set, then passwords will
* meet this rule.
*
* @author Middleware Services
* @version $Revision: 2704 $ $Date: 2013-04-24 17:30:32 -0400 (Wed, 24 Apr 2013) $
*/
public class SourceRule extends AbstractDigester implements Rule
{
/** Error code for regex validation failures. */
public static final String ERROR_CODE = "SOURCE_VIOLATION";
/** {@inheritDoc} */
@Override
public RuleResult validate(final PasswordData passwordData)
{
final RuleResult result = new RuleResult(true);
if (passwordData.getPasswordSources().isEmpty()) {
return result;
}
final String cleartext = passwordData.getPassword().getText();
for (String source : passwordData.getPasswordSources().keySet()) {
if (matches(cleartext, passwordData.getPasswordSources().get(source))) {
result.setValid(false);
result.getDetails().add(
new RuleResultDetail(
ERROR_CODE,
createRuleResultDetailParameters(source)));
}
}
return result;
}
/**
* Creates the parameter data for the rule result detail.
*
* @param source matching source
*
* @return map of parameter name to value
*/
protected Map createRuleResultDetailParameters(final String source)
{
final Map m = new LinkedHashMap();
m.put("source", source);
return m;
}
}
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