constraint_alphanumeric.inc in Password Policy 7

Password policy constraint callbacks.

File

constraints/constraint_alphanumeric.inc

<?php

/**
 * @file
 * Password policy constraint callbacks.
 */

/****************************************************************************/

/* Constraint API                                                           */

/****************************************************************************/

/**
 * Description of the constraint.
 */
function password_policy_constraint_alphanumeric_description() {
  return array(
    'name' => t('Alphanumeric'),
    'description' => t('Password must contain the specified minimum number of alphanumeric (letters or numbers) characters.'),
  );
}

/**
 * Error message of the constraint.
 */
function password_policy_constraint_alphanumeric_error($constraint) {
  return format_plural($constraint, 'Password must contain at least one alphanumeric (letter or number) character.', 'Password must contain at least @count alphanumeric (letter or number) characters.');
}

/**
 * Password validation.
 */
function password_policy_constraint_alphanumeric_validate($password, $constraint, $account) {
  $matches = array();
  $count = preg_match_all('/[a-z0-9]/i', $password, $matches);
  return $count >= $constraint;
}

/**
 * Javascript portion.
 */
function password_policy_constraint_alphanumeric_js($constraint, $account) {
  return <<<JS

    var count = (value.match(/[a-z0-9]/gi) || []).length;
    if (count < {<span class="php-variable">$constraint</span>}) {
      strength = 'low';
      msg.push(translate.constraint_alphanumeric);
    }
JS;
}

Functions

Name	Description
password_policy_constraint_alphanumeric_description	Description of the constraint.
password_policy_constraint_alphanumeric_error	Error message of the constraint.
password_policy_constraint_alphanumeric_js	Javascript portion.
password_policy_constraint_alphanumeric_validate	Password validation.