/** {@inheritDoc} */
@Override()
public boolean passwordIsAcceptable(
ByteString newPassword,
Set<ByteString> currentPasswords,
Operation operation,
Entry userEntry,
MessageBuilder invalidReason) {
// Get a handle to the current configuration and see if we need to count
// the number of repeated characters in the password.
RepeatedCharactersPasswordValidatorCfg config = currentConfig;
int maxRepeats = config.getMaxConsecutiveLength();
if (maxRepeats <= 0) {
// We don't need to check anything, so the password will be acceptable.
return true;
}
// Get the password as a string. If we should use case-insensitive
// validation, then convert it to use all lowercase characters.
String passwordString = newPassword.toString();
if (!config.isCaseSensitiveValidation()) {
passwordString = passwordString.toLowerCase();
}
// Create variables to keep track of the last character we've seen and how
// many times we have seen it.
char lastCharacter = '\u0000';
int consecutiveCount = 0;
// Iterate through the characters in the password. If the consecutive
// count ever gets too high, then fail.
for (int i = 0; i < passwordString.length(); i++) {
char currentCharacter = passwordString.charAt(i);
if (currentCharacter == lastCharacter) {
consecutiveCount++;
if (consecutiveCount > maxRepeats) {
Message message = ERR_REPEATEDCHARS_VALIDATOR_TOO_MANY_CONSECUTIVE.get(maxRepeats);
invalidReason.append(message);
return false;
}
} else {
lastCharacter = currentCharacter;
consecutiveCount = 1;
}
}
return true;
}
/** {@inheritDoc} */
@Override()
public void finalizePasswordValidator() {
currentConfig.removeRepeatedCharactersChangeListener(this);
}
/** {@inheritDoc} */
@Override()
public void initializePasswordValidator(RepeatedCharactersPasswordValidatorCfg configuration) {
configuration.addRepeatedCharactersChangeListener(this);
currentConfig = configuration;
}